diff options
Diffstat (limited to 'ffmpeg1/ffmpeg.c')
| -rw-r--r-- | ffmpeg1/ffmpeg.c | 3373 |
1 files changed, 0 insertions, 3373 deletions
diff --git a/ffmpeg1/ffmpeg.c b/ffmpeg1/ffmpeg.c deleted file mode 100644 index 12c7a28..0000000 --- a/ffmpeg1/ffmpeg.c +++ /dev/null @@ -1,3373 +0,0 @@ -/* - * Copyright (c) 2000-2003 Fabrice Bellard - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file - * multimedia converter based on the FFmpeg libraries - */ - -#include "config.h" -#include <ctype.h> -#include <string.h> -#include <math.h> -#include <stdlib.h> -#include <errno.h> -#include <limits.h> -#if HAVE_ISATTY -#if HAVE_IO_H -#include <io.h> -#endif -#if HAVE_UNISTD_H -#include <unistd.h> -#endif -#endif -#include "libavformat/avformat.h" -#include "libavdevice/avdevice.h" -#include "libswscale/swscale.h" -#include "libswresample/swresample.h" -#include "libavutil/opt.h" -#include "libavutil/channel_layout.h" -#include "libavutil/parseutils.h" -#include "libavutil/samplefmt.h" -#include "libavutil/colorspace.h" -#include "libavutil/fifo.h" -#include "libavutil/intreadwrite.h" -#include "libavutil/dict.h" -#include "libavutil/mathematics.h" -#include "libavutil/pixdesc.h" -#include "libavutil/avstring.h" -#include "libavutil/libm.h" -#include "libavutil/imgutils.h" -#include "libavutil/timestamp.h" -#include "libavutil/bprint.h" -#include "libavutil/time.h" -#include "libavformat/os_support.h" - -#include "libavformat/ffm.h" // not public API - -# include "libavfilter/avcodec.h" -# include "libavfilter/avfilter.h" -# include "libavfilter/avfiltergraph.h" -# include "libavfilter/buffersrc.h" -# include "libavfilter/buffersink.h" - -#if HAVE_SYS_RESOURCE_H -#include <sys/time.h> -#include <sys/types.h> -#include <sys/resource.h> -#elif HAVE_GETPROCESSTIMES -#include <windows.h> -#endif -#if HAVE_GETPROCESSMEMORYINFO -#include <windows.h> -#include <psapi.h> -#endif - -#if HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif - -#if HAVE_TERMIOS_H -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/time.h> -#include <termios.h> -#elif HAVE_KBHIT -#include <conio.h> -#endif - -#if HAVE_PTHREADS -#include <pthread.h> -#endif - -#include <time.h> - -#include "ffmpeg.h" -#include "cmdutils.h" - -#include "libavutil/avassert.h" - -const char program_name[] = "ffmpeg"; -const int program_birth_year = 2000; - -static FILE *vstats_file; - -const char *const forced_keyframes_const_names[] = { - "n", - "n_forced", - "prev_forced_n", - "prev_forced_t", - "t", - NULL -}; - -static void do_video_stats(OutputStream *ost, int frame_size); -static int64_t getutime(void); -static int64_t getmaxrss(void); - -static int run_as_daemon = 0; -static int64_t video_size = 0; -static int64_t audio_size = 0; -static int64_t subtitle_size = 0; -static int64_t extra_size = 0; -static int nb_frames_dup = 0; -static int nb_frames_drop = 0; - -static int current_time; -AVIOContext *progress_avio = NULL; - -static uint8_t *subtitle_out; - -#if HAVE_PTHREADS -/* signal to input threads that they should exit; set by the main thread */ -static int transcoding_finished; -#endif - -#define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass" - -InputStream **input_streams = NULL; -int nb_input_streams = 0; -InputFile **input_files = NULL; -int nb_input_files = 0; - -OutputStream **output_streams = NULL; -int nb_output_streams = 0; -OutputFile **output_files = NULL; -int nb_output_files = 0; - -FilterGraph **filtergraphs; -int nb_filtergraphs; - -#if HAVE_TERMIOS_H - -/* init terminal so that we can grab keys */ -static struct termios oldtty; -static int restore_tty; -#endif - - -/* sub2video hack: - Convert subtitles to video with alpha to insert them in filter graphs. - This is a temporary solution until libavfilter gets real subtitles support. - */ - -static int sub2video_get_blank_frame(InputStream *ist) -{ - int ret; - AVFrame *frame = ist->sub2video.frame; - - av_frame_unref(frame); - ist->sub2video.frame->width = ist->sub2video.w; - ist->sub2video.frame->height = ist->sub2video.h; - ist->sub2video.frame->format = AV_PIX_FMT_RGB32; - if ((ret = av_frame_get_buffer(frame, 32)) < 0) - return ret; - memset(frame->data[0], 0, frame->height * frame->linesize[0]); - return 0; -} - -static void sub2video_copy_rect(uint8_t *dst, int dst_linesize, int w, int h, - AVSubtitleRect *r) -{ - uint32_t *pal, *dst2; - uint8_t *src, *src2; - int x, y; - - if (r->type != SUBTITLE_BITMAP) { - av_log(NULL, AV_LOG_WARNING, "sub2video: non-bitmap subtitle\n"); - return; - } - if (r->x < 0 || r->x + r->w > w || r->y < 0 || r->y + r->h > h) { - av_log(NULL, AV_LOG_WARNING, "sub2video: rectangle overflowing\n"); - return; - } - - dst += r->y * dst_linesize + r->x * 4; - src = r->pict.data[0]; - pal = (uint32_t *)r->pict.data[1]; - for (y = 0; y < r->h; y++) { - dst2 = (uint32_t *)dst; - src2 = src; - for (x = 0; x < r->w; x++) - *(dst2++) = pal[*(src2++)]; - dst += dst_linesize; - src += r->pict.linesize[0]; - } -} - -static void sub2video_push_ref(InputStream *ist, int64_t pts) -{ - AVFrame *frame = ist->sub2video.frame; - int i; - - av_assert1(frame->data[0]); - ist->sub2video.last_pts = frame->pts = pts; - for (i = 0; i < ist->nb_filters; i++) - av_buffersrc_add_frame_flags(ist->filters[i]->filter, frame, - AV_BUFFERSRC_FLAG_KEEP_REF | - AV_BUFFERSRC_FLAG_PUSH); -} - -static void sub2video_update(InputStream *ist, AVSubtitle *sub) -{ - int w = ist->sub2video.w, h = ist->sub2video.h; - AVFrame *frame = ist->sub2video.frame; - int8_t *dst; - int dst_linesize; - int num_rects, i; - int64_t pts, end_pts; - - if (!frame) - return; - if (sub) { - pts = av_rescale_q(sub->pts + sub->start_display_time * 1000, - AV_TIME_BASE_Q, ist->st->time_base); - end_pts = av_rescale_q(sub->pts + sub->end_display_time * 1000, - AV_TIME_BASE_Q, ist->st->time_base); - num_rects = sub->num_rects; - } else { - pts = ist->sub2video.end_pts; - end_pts = INT64_MAX; - num_rects = 0; - } - if (sub2video_get_blank_frame(ist) < 0) { - av_log(ist->st->codec, AV_LOG_ERROR, - "Impossible to get a blank canvas.\n"); - return; - } - dst = frame->data [0]; - dst_linesize = frame->linesize[0]; - for (i = 0; i < num_rects; i++) - sub2video_copy_rect(dst, dst_linesize, w, h, sub->rects[i]); - sub2video_push_ref(ist, pts); - ist->sub2video.end_pts = end_pts; -} - -static void sub2video_heartbeat(InputStream *ist, int64_t pts) -{ - InputFile *infile = input_files[ist->file_index]; - int i, j, nb_reqs; - int64_t pts2; - - /* When a frame is read from a file, examine all sub2video streams in - the same file and send the sub2video frame again. Otherwise, decoded - video frames could be accumulating in the filter graph while a filter - (possibly overlay) is desperately waiting for a subtitle frame. */ - for (i = 0; i < infile->nb_streams; i++) { - InputStream *ist2 = input_streams[infile->ist_index + i]; - if (!ist2->sub2video.frame) - continue; - /* subtitles seem to be usually muxed ahead of other streams; - if not, substracting a larger time here is necessary */ - pts2 = av_rescale_q(pts, ist->st->time_base, ist2->st->time_base) - 1; - /* do not send the heartbeat frame if the subtitle is already ahead */ - if (pts2 <= ist2->sub2video.last_pts) - continue; - if (pts2 >= ist2->sub2video.end_pts || !ist2->sub2video.frame->data[0]) - sub2video_update(ist2, NULL); - for (j = 0, nb_reqs = 0; j < ist2->nb_filters; j++) - nb_reqs += av_buffersrc_get_nb_failed_requests(ist2->filters[j]->filter); - if (nb_reqs) - sub2video_push_ref(ist2, pts2); - } -} - -static void sub2video_flush(InputStream *ist) -{ - int i; - - for (i = 0; i < ist->nb_filters; i++) - av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); -} - -/* end of sub2video hack */ - -void term_exit(void) -{ - av_log(NULL, AV_LOG_QUIET, "%s", ""); -#if HAVE_TERMIOS_H - if(restore_tty) - tcsetattr (0, TCSANOW, &oldtty); -#endif -} - -static volatile int received_sigterm = 0; -static volatile int received_nb_signals = 0; - -static void -sigterm_handler(int sig) -{ - received_sigterm = sig; - received_nb_signals++; - term_exit(); - if(received_nb_signals > 3) - exit(123); -} - -void term_init(void) -{ -#if HAVE_TERMIOS_H - if(!run_as_daemon){ - struct termios tty; - int istty = 1; -#if HAVE_ISATTY - istty = isatty(0) && isatty(2); -#endif - if (istty && tcgetattr (0, &tty) == 0) { - oldtty = tty; - restore_tty = 1; - atexit(term_exit); - - tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP - |INLCR|IGNCR|ICRNL|IXON); - tty.c_oflag |= OPOST; - tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN); - tty.c_cflag &= ~(CSIZE|PARENB); - tty.c_cflag |= CS8; - tty.c_cc[VMIN] = 1; - tty.c_cc[VTIME] = 0; - - tcsetattr (0, TCSANOW, &tty); - } - signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */ - } -#endif - avformat_network_deinit(); - - signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */ - signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */ -#ifdef SIGXCPU - signal(SIGXCPU, sigterm_handler); -#endif -} - -/* read a key without blocking */ -static int read_key(void) -{ - unsigned char ch; -#if HAVE_TERMIOS_H - int n = 1; - struct timeval tv; - fd_set rfds; - - FD_ZERO(&rfds); - FD_SET(0, &rfds); - tv.tv_sec = 0; - tv.tv_usec = 0; - n = select(1, &rfds, NULL, NULL, &tv); - if (n > 0) { - n = read(0, &ch, 1); - if (n == 1) - return ch; - - return n; - } -#elif HAVE_KBHIT -# if HAVE_PEEKNAMEDPIPE - static int is_pipe; - static HANDLE input_handle; - DWORD dw, nchars; - if(!input_handle){ - input_handle = GetStdHandle(STD_INPUT_HANDLE); - is_pipe = !GetConsoleMode(input_handle, &dw); - } - - if (stdin->_cnt > 0) { - read(0, &ch, 1); - return ch; - } - if (is_pipe) { - /* When running under a GUI, you will end here. */ - if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) { - // input pipe may have been closed by the program that ran ffmpeg - return -1; - } - //Read it - if(nchars != 0) { - read(0, &ch, 1); - return ch; - }else{ - return -1; - } - } -# endif - if(kbhit()) - return(getch()); -#endif - return -1; -} - -static int decode_interrupt_cb(void *ctx) -{ - return received_nb_signals > 1; -} - -const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL }; - -static void exit_program(void) -{ - int i, j; - - if (do_benchmark) { - int maxrss = getmaxrss() / 1024; - printf("bench: maxrss=%ikB\n", maxrss); - } - - for (i = 0; i < nb_filtergraphs; i++) { - avfilter_graph_free(&filtergraphs[i]->graph); - for (j = 0; j < filtergraphs[i]->nb_inputs; j++) { - av_freep(&filtergraphs[i]->inputs[j]->name); - av_freep(&filtergraphs[i]->inputs[j]); - } - av_freep(&filtergraphs[i]->inputs); - for (j = 0; j < filtergraphs[i]->nb_outputs; j++) { - av_freep(&filtergraphs[i]->outputs[j]->name); - av_freep(&filtergraphs[i]->outputs[j]); - } - av_freep(&filtergraphs[i]->outputs); - av_freep(&filtergraphs[i]); - } - av_freep(&filtergraphs); - - av_freep(&subtitle_out); - - /* close files */ - for (i = 0; i < nb_output_files; i++) { - AVFormatContext *s = output_files[i]->ctx; - if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb) - avio_close(s->pb); - avformat_free_context(s); - av_dict_free(&output_files[i]->opts); - av_freep(&output_files[i]); - } - for (i = 0; i < nb_output_streams; i++) { - AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters; - while (bsfc) { - AVBitStreamFilterContext *next = bsfc->next; - av_bitstream_filter_close(bsfc); - bsfc = next; - } - output_streams[i]->bitstream_filters = NULL; - avcodec_free_frame(&output_streams[i]->filtered_frame); - - av_freep(&output_streams[i]->forced_keyframes); - av_expr_free(output_streams[i]->forced_keyframes_pexpr); - av_freep(&output_streams[i]->avfilter); - av_freep(&output_streams[i]->logfile_prefix); - av_freep(&output_streams[i]); - } - for (i = 0; i < nb_input_files; i++) { - avformat_close_input(&input_files[i]->ctx); - av_freep(&input_files[i]); - } - for (i = 0; i < nb_input_streams; i++) { - av_frame_free(&input_streams[i]->decoded_frame); - av_frame_free(&input_streams[i]->filter_frame); - av_dict_free(&input_streams[i]->opts); - avsubtitle_free(&input_streams[i]->prev_sub.subtitle); - av_frame_free(&input_streams[i]->sub2video.frame); - av_freep(&input_streams[i]->filters); - av_freep(&input_streams[i]); - } - - if (vstats_file) - fclose(vstats_file); - av_free(vstats_filename); - - av_freep(&input_streams); - av_freep(&input_files); - av_freep(&output_streams); - av_freep(&output_files); - - uninit_opts(); - - avfilter_uninit(); - avformat_network_deinit(); - - if (received_sigterm) { - av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n", - (int) received_sigterm); - } -} - -void assert_avoptions(AVDictionary *m) -{ - AVDictionaryEntry *t; - if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) { - av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key); - exit(1); - } -} - -static void abort_codec_experimental(AVCodec *c, int encoder) -{ - exit(1); -} - -static void update_benchmark(const char *fmt, ...) -{ - if (do_benchmark_all) { - int64_t t = getutime(); - va_list va; - char buf[1024]; - - if (fmt) { - va_start(va, fmt); - vsnprintf(buf, sizeof(buf), fmt, va); - va_end(va); - printf("bench: %8"PRIu64" %s \n", t - current_time, buf); - } - current_time = t; - } -} - -static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost) -{ - AVBitStreamFilterContext *bsfc = ost->bitstream_filters; - AVCodecContext *avctx = ost->st->codec; - int ret; - - if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) || - (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0)) - pkt->pts = pkt->dts = AV_NOPTS_VALUE; - - if ((avctx->codec_type == AVMEDIA_TYPE_AUDIO || avctx->codec_type == AVMEDIA_TYPE_VIDEO) && pkt->dts != AV_NOPTS_VALUE) { - int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT); - if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt->dts) { - av_log(s, max - pkt->dts > 2 || avctx->codec_type == AVMEDIA_TYPE_VIDEO ? AV_LOG_WARNING : AV_LOG_DEBUG, - "st:%d PTS: %"PRId64" DTS: %"PRId64" < %"PRId64" invalid, clipping\n", pkt->stream_index, pkt->pts, pkt->dts, max); - if(pkt->pts >= pkt->dts) - pkt->pts = FFMAX(pkt->pts, max); - pkt->dts = max; - } - } - - /* - * Audio encoders may split the packets -- #frames in != #packets out. - * But there is no reordering, so we can limit the number of output packets - * by simply dropping them here. - * Counting encoded video frames needs to be done separately because of - * reordering, see do_video_out() - */ - if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) { - if (ost->frame_number >= ost->max_frames) { - av_free_packet(pkt); - return; - } - ost->frame_number++; - } - - while (bsfc) { - AVPacket new_pkt = *pkt; - int a = av_bitstream_filter_filter(bsfc, avctx, NULL, - &new_pkt.data, &new_pkt.size, - pkt->data, pkt->size, - pkt->flags & AV_PKT_FLAG_KEY); - if(a == 0 && new_pkt.data != pkt->data && new_pkt.destruct) { - uint8_t *t = av_malloc(new_pkt.size + FF_INPUT_BUFFER_PADDING_SIZE); //the new should be a subset of the old so cannot overflow - if(t) { - memcpy(t, new_pkt.data, new_pkt.size); - memset(t + new_pkt.size, 0, FF_INPUT_BUFFER_PADDING_SIZE); - new_pkt.data = t; - new_pkt.buf = NULL; - a = 1; - } else - a = AVERROR(ENOMEM); - } - if (a > 0) { - av_free_packet(pkt); - new_pkt.buf = av_buffer_create(new_pkt.data, new_pkt.size, - av_buffer_default_free, NULL, 0); - if (!new_pkt.buf) - exit(1); - } else if (a < 0) { - av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s", - bsfc->filter->name, pkt->stream_index, - avctx->codec ? avctx->codec->name : "copy"); - print_error("", a); - if (exit_on_error) - exit(1); - } - *pkt = new_pkt; - - bsfc = bsfc->next; - } - - pkt->stream_index = ost->index; - - if (debug_ts) { - av_log(NULL, AV_LOG_INFO, "muxer <- type:%s " - "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s size:%d\n", - av_get_media_type_string(ost->st->codec->codec_type), - av_ts2str(pkt->pts), av_ts2timestr(pkt->pts, &ost->st->time_base), - av_ts2str(pkt->dts), av_ts2timestr(pkt->dts, &ost->st->time_base), - pkt->size - ); - } - - ret = av_interleaved_write_frame(s, pkt); - if (ret < 0) { - print_error("av_interleaved_write_frame()", ret); - exit(1); - } -} - -static void close_output_stream(OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - - ost->finished = 1; - if (of->shortest) { - int64_t end = av_rescale_q(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, AV_TIME_BASE_Q); - of->recording_time = FFMIN(of->recording_time, end); - } -} - -static int check_recording_time(OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - - if (of->recording_time != INT64_MAX && - av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time, - AV_TIME_BASE_Q) >= 0) { - close_output_stream(ost); - return 0; - } - return 1; -} - -static void do_audio_out(AVFormatContext *s, OutputStream *ost, - AVFrame *frame) -{ - AVCodecContext *enc = ost->st->codec; - AVPacket pkt; - int got_packet = 0; - - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - if (!check_recording_time(ost)) - return; - - if (frame->pts == AV_NOPTS_VALUE || audio_sync_method < 0) - frame->pts = ost->sync_opts; - ost->sync_opts = frame->pts + frame->nb_samples; - - av_assert0(pkt.size || !pkt.data); - update_benchmark(NULL); - if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) { - av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n"); - exit(1); - } - update_benchmark("encode_audio %d.%d", ost->file_index, ost->index); - - if (got_packet) { - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); - if (pkt.duration > 0) - pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); - - if (debug_ts) { - av_log(NULL, AV_LOG_INFO, "encoder -> type:audio " - "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", - av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), - av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); - } - - audio_size += pkt.size; - write_frame(s, &pkt, ost); - - av_free_packet(&pkt); - } -} - -#if FF_API_DEINTERLACE -static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp) -{ - AVCodecContext *dec; - AVPicture *picture2; - AVPicture picture_tmp; - uint8_t *buf = 0; - - dec = ist->st->codec; - - /* deinterlace : must be done before any resize */ - if (FF_API_DEINTERLACE && do_deinterlace) { - int size; - - /* create temporary picture */ - size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height); - if (size < 0) - return; - buf = av_malloc(size); - if (!buf) - return; - - picture2 = &picture_tmp; - avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height); - - if (avpicture_deinterlace(picture2, picture, - dec->pix_fmt, dec->width, dec->height) < 0) { - /* if error, do not deinterlace */ - av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n"); - av_free(buf); - buf = NULL; - picture2 = picture; - } - } else { - picture2 = picture; - } - - if (picture != picture2) - *picture = *picture2; - *bufp = buf; -} -#endif - -static void do_subtitle_out(AVFormatContext *s, - OutputStream *ost, - InputStream *ist, - AVSubtitle *sub) -{ - int subtitle_out_max_size = 1024 * 1024; - int subtitle_out_size, nb, i; - AVCodecContext *enc; - AVPacket pkt; - int64_t pts; - - if (sub->pts == AV_NOPTS_VALUE) { - av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n"); - if (exit_on_error) - exit(1); - return; - } - - enc = ost->st->codec; - - if (!subtitle_out) { - subtitle_out = av_malloc(subtitle_out_max_size); - } - - /* Note: DVB subtitle need one packet to draw them and one other - packet to clear them */ - /* XXX: signal it in the codec context ? */ - if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) - nb = 2; - else - nb = 1; - - /* shift timestamp to honor -ss and make check_recording_time() work with -t */ - pts = sub->pts - output_files[ost->file_index]->start_time; - for (i = 0; i < nb; i++) { - ost->sync_opts = av_rescale_q(pts, AV_TIME_BASE_Q, enc->time_base); - if (!check_recording_time(ost)) - return; - - sub->pts = pts; - // start_display_time is required to be 0 - sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q); - sub->end_display_time -= sub->start_display_time; - sub->start_display_time = 0; - if (i == 1) - sub->num_rects = 0; - subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out, - subtitle_out_max_size, sub); - if (subtitle_out_size < 0) { - av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n"); - exit(1); - } - - av_init_packet(&pkt); - pkt.data = subtitle_out; - pkt.size = subtitle_out_size; - pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base); - pkt.duration = av_rescale_q(sub->end_display_time, (AVRational){ 1, 1000 }, ost->st->time_base); - if (enc->codec_id == AV_CODEC_ID_DVB_SUBTITLE) { - /* XXX: the pts correction is handled here. Maybe handling - it in the codec would be better */ - if (i == 0) - pkt.pts += 90 * sub->start_display_time; - else - pkt.pts += 90 * sub->end_display_time; - } - subtitle_size += pkt.size; - write_frame(s, &pkt, ost); - } -} - -static void do_video_out(AVFormatContext *s, - OutputStream *ost, - AVFrame *in_picture) -{ - int ret, format_video_sync; - AVPacket pkt; - AVCodecContext *enc = ost->st->codec; - int nb_frames, i; - double sync_ipts, delta; - double duration = 0; - int frame_size = 0; - InputStream *ist = NULL; - - if (ost->source_index >= 0) - ist = input_streams[ost->source_index]; - - if(ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE && ost->frame_rate.num) - duration = 1/(av_q2d(ost->frame_rate) * av_q2d(enc->time_base)); - - sync_ipts = in_picture->pts; - delta = sync_ipts - ost->sync_opts + duration; - - /* by default, we output a single frame */ - nb_frames = 1; - - format_video_sync = video_sync_method; - if (format_video_sync == VSYNC_AUTO) - format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : VSYNC_CFR; - - switch (format_video_sync) { - case VSYNC_CFR: - // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c - if (delta < -1.1) - nb_frames = 0; - else if (delta > 1.1) - nb_frames = lrintf(delta); - break; - case VSYNC_VFR: - if (delta <= -0.6) - nb_frames = 0; - else if (delta > 0.6) - ost->sync_opts = lrint(sync_ipts); - break; - case VSYNC_DROP: - case VSYNC_PASSTHROUGH: - ost->sync_opts = lrint(sync_ipts); - break; - default: - av_assert0(0); - } - - nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number); - if (nb_frames == 0) { - nb_frames_drop++; - av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n"); - return; - } else if (nb_frames > 1) { - if (nb_frames > dts_error_threshold * 30) { - av_log(NULL, AV_LOG_ERROR, "%d frame duplication too large, skipping\n", nb_frames - 1); - nb_frames_drop++; - return; - } - nb_frames_dup += nb_frames - 1; - av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1); - } - - /* duplicates frame if needed */ - for (i = 0; i < nb_frames; i++) { - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - in_picture->pts = ost->sync_opts; - - if (!check_recording_time(ost)) - return; - - if (s->oformat->flags & AVFMT_RAWPICTURE && - enc->codec->id == AV_CODEC_ID_RAWVIDEO) { - /* raw pictures are written as AVPicture structure to - avoid any copies. We support temporarily the older - method. */ - enc->coded_frame->interlaced_frame = in_picture->interlaced_frame; - enc->coded_frame->top_field_first = in_picture->top_field_first; - if (enc->coded_frame->interlaced_frame) - enc->field_order = enc->coded_frame->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; - else - enc->field_order = AV_FIELD_PROGRESSIVE; - pkt.data = (uint8_t *)in_picture; - pkt.size = sizeof(AVPicture); - pkt.pts = av_rescale_q(in_picture->pts, enc->time_base, ost->st->time_base); - pkt.flags |= AV_PKT_FLAG_KEY; - - video_size += pkt.size; - write_frame(s, &pkt, ost); - } else { - int got_packet, forced_keyframe = 0; - double pts_time; - - if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME) && - ost->top_field_first >= 0) - in_picture->top_field_first = !!ost->top_field_first; - - if (in_picture->interlaced_frame) { - if (enc->codec->id == AV_CODEC_ID_MJPEG) - enc->field_order = in_picture->top_field_first ? AV_FIELD_TT:AV_FIELD_BB; - else - enc->field_order = in_picture->top_field_first ? AV_FIELD_TB:AV_FIELD_BT; - } else - enc->field_order = AV_FIELD_PROGRESSIVE; - - in_picture->quality = ost->st->codec->global_quality; - if (!enc->me_threshold) - in_picture->pict_type = 0; - - pts_time = in_picture->pts != AV_NOPTS_VALUE ? - in_picture->pts * av_q2d(enc->time_base) : NAN; - if (ost->forced_kf_index < ost->forced_kf_count && - in_picture->pts >= ost->forced_kf_pts[ost->forced_kf_index]) { - ost->forced_kf_index++; - forced_keyframe = 1; - } else if (ost->forced_keyframes_pexpr) { - double res; - ost->forced_keyframes_expr_const_values[FKF_T] = pts_time; - res = av_expr_eval(ost->forced_keyframes_pexpr, - ost->forced_keyframes_expr_const_values, NULL); - av_dlog(NULL, "force_key_frame: n:%f n_forced:%f prev_forced_n:%f t:%f prev_forced_t:%f -> res:%f\n", - ost->forced_keyframes_expr_const_values[FKF_N], - ost->forced_keyframes_expr_const_values[FKF_N_FORCED], - ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N], - ost->forced_keyframes_expr_const_values[FKF_T], - ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T], - res); - if (res) { - forced_keyframe = 1; - ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = - ost->forced_keyframes_expr_const_values[FKF_N]; - ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = - ost->forced_keyframes_expr_const_values[FKF_T]; - ost->forced_keyframes_expr_const_values[FKF_N_FORCED] += 1; - } - - ost->forced_keyframes_expr_const_values[FKF_N] += 1; - } - if (forced_keyframe) { - in_picture->pict_type = AV_PICTURE_TYPE_I; - av_log(NULL, AV_LOG_DEBUG, "Forced keyframe at time %f\n", pts_time); - } - - update_benchmark(NULL); - ret = avcodec_encode_video2(enc, &pkt, in_picture, &got_packet); - update_benchmark("encode_video %d.%d", ost->file_index, ost->index); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n"); - exit(1); - } - - if (got_packet) { - if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY)) - pkt.pts = ost->sync_opts; - - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); - - if (debug_ts) { - av_log(NULL, AV_LOG_INFO, "encoder -> type:video " - "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n", - av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base), - av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base)); - } - - frame_size = pkt.size; - video_size += pkt.size; - write_frame(s, &pkt, ost); - av_free_packet(&pkt); - - /* if two pass, output log */ - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } - } - } - ost->sync_opts++; - /* - * For video, number of frames in == number of packets out. - * But there may be reordering, so we can't throw away frames on encoder - * flush, we need to limit them here, before they go into encoder. - */ - ost->frame_number++; - } - - if (vstats_filename && frame_size) - do_video_stats(ost, frame_size); -} - -static double psnr(double d) -{ - return -10.0 * log(d) / log(10.0); -} - -static void do_video_stats(OutputStream *ost, int frame_size) -{ - AVCodecContext *enc; - int frame_number; - double ti1, bitrate, avg_bitrate; - - /* this is executed just the first time do_video_stats is called */ - if (!vstats_file) { - vstats_file = fopen(vstats_filename, "w"); - if (!vstats_file) { - perror("fopen"); - exit(1); - } - } - - enc = ost->st->codec; - if (enc->codec_type == AVMEDIA_TYPE_VIDEO) { - frame_number = ost->st->nb_frames; - fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA); - if (enc->flags&CODEC_FLAG_PSNR) - fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0))); - - fprintf(vstats_file,"f_size= %6d ", frame_size); - /* compute pts value */ - ti1 = ost->st->pts.val * av_q2d(enc->time_base); - if (ti1 < 0.01) - ti1 = 0.01; - - bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0; - avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0; - fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ", - (double)video_size / 1024, ti1, bitrate, avg_bitrate); - fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type)); - } -} - -/** - * Get and encode new output from any of the filtergraphs, without causing - * activity. - * - * @return 0 for success, <0 for severe errors - */ -static int reap_filters(void) -{ - AVFrame *filtered_frame = NULL; - int i; - int64_t frame_pts; - - /* Reap all buffers present in the buffer sinks */ - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - OutputFile *of = output_files[ost->file_index]; - int ret = 0; - - if (!ost->filter) - continue; - - if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) { - return AVERROR(ENOMEM); - } else - avcodec_get_frame_defaults(ost->filtered_frame); - filtered_frame = ost->filtered_frame; - - while (1) { - ret = av_buffersink_get_frame_flags(ost->filter->filter, filtered_frame, - AV_BUFFERSINK_FLAG_NO_REQUEST); - if (ret < 0) { - if (ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) { - char buf[256]; - av_strerror(ret, buf, sizeof(buf)); - av_log(NULL, AV_LOG_WARNING, - "Error in av_buffersink_get_buffer_ref(): %s\n", buf); - } - break; - } - frame_pts = AV_NOPTS_VALUE; - if (filtered_frame->pts != AV_NOPTS_VALUE) { - filtered_frame->pts = frame_pts = av_rescale_q(filtered_frame->pts, - ost->filter->filter->inputs[0]->time_base, - ost->st->codec->time_base) - - av_rescale_q(of->start_time, - AV_TIME_BASE_Q, - ost->st->codec->time_base); - - if (of->start_time && filtered_frame->pts < 0) { - av_frame_unref(filtered_frame); - continue; - } - } - //if (ost->source_index >= 0) - // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold - - - switch (ost->filter->filter->inputs[0]->type) { - case AVMEDIA_TYPE_VIDEO: - filtered_frame->pts = frame_pts; - if (!ost->frame_aspect_ratio) - ost->st->codec->sample_aspect_ratio = filtered_frame->sample_aspect_ratio; - - do_video_out(of->ctx, ost, filtered_frame); - break; - case AVMEDIA_TYPE_AUDIO: - filtered_frame->pts = frame_pts; - if (!(ost->st->codec->codec->capabilities & CODEC_CAP_PARAM_CHANGE) && - ost->st->codec->channels != av_frame_get_channels(filtered_frame)) { - av_log(NULL, AV_LOG_ERROR, - "Audio filter graph output is not normalized and encoder does not support parameter changes\n"); - break; - } - do_audio_out(of->ctx, ost, filtered_frame); - break; - default: - // TODO support subtitle filters - av_assert0(0); - } - - av_frame_unref(filtered_frame); - } - } - - return 0; -} - -static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time) -{ - char buf[1024]; - AVBPrint buf_script; - OutputStream *ost; - AVFormatContext *oc; - int64_t total_size; - AVCodecContext *enc; - int frame_number, vid, i; - double bitrate; - int64_t pts = INT64_MIN; - static int64_t last_time = -1; - static int qp_histogram[52]; - int hours, mins, secs, us; - - if (!print_stats && !is_last_report && !progress_avio) - return; - - if (!is_last_report) { - if (last_time == -1) { - last_time = cur_time; - return; - } - if ((cur_time - last_time) < 500000) - return; - last_time = cur_time; - } - - - oc = output_files[0]->ctx; - - total_size = avio_size(oc->pb); - if (total_size <= 0) // FIXME improve avio_size() so it works with non seekable output too - total_size = avio_tell(oc->pb); - - buf[0] = '\0'; - vid = 0; - av_bprint_init(&buf_script, 0, 1); - for (i = 0; i < nb_output_streams; i++) { - float q = -1; - ost = output_streams[i]; - enc = ost->st->codec; - if (!ost->stream_copy && enc->coded_frame) - q = enc->coded_frame->quality / (float)FF_QP2LAMBDA; - if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q); - av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", - ost->file_index, ost->index, q); - } - if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) { - float fps, t = (cur_time-timer_start) / 1000000.0; - - frame_number = ost->frame_number; - fps = t > 1 ? frame_number / t : 0; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ", - frame_number, fps < 9.95, fps, q); - av_bprintf(&buf_script, "frame=%d\n", frame_number); - av_bprintf(&buf_script, "fps=%.1f\n", fps); - av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n", - ost->file_index, ost->index, q); - if (is_last_report) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L"); - if (qp_hist) { - int j; - int qp = lrintf(q); - if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram)) - qp_histogram[qp]++; - for (j = 0; j < 32; j++) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log2(qp_histogram[j] + 1))); - } - if ((enc->flags&CODEC_FLAG_PSNR) && (enc->coded_frame || is_last_report)) { - int j; - double error, error_sum = 0; - double scale, scale_sum = 0; - double p; - char type[3] = { 'Y','U','V' }; - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR="); - for (j = 0; j < 3; j++) { - if (is_last_report) { - error = enc->error[j]; - scale = enc->width * enc->height * 255.0 * 255.0 * frame_number; - } else { - error = enc->coded_frame->error[j]; - scale = enc->width * enc->height * 255.0 * 255.0; - } - if (j) - scale /= 4; - error_sum += error; - scale_sum += scale; - p = psnr(error / scale); - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], p); - av_bprintf(&buf_script, "stream_%d_%d_psnr_%c=%2.2f\n", - ost->file_index, ost->index, type[j] | 32, p); - } - p = psnr(error_sum / scale_sum); - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum)); - av_bprintf(&buf_script, "stream_%d_%d_psnr_all=%2.2f\n", - ost->file_index, ost->index, p); - } - vid = 1; - } - /* compute min output value */ - if ((is_last_report || !ost->finished) && ost->st->pts.val != AV_NOPTS_VALUE) - pts = FFMAX(pts, av_rescale_q(ost->st->pts.val, - ost->st->time_base, AV_TIME_BASE_Q)); - } - - secs = pts / AV_TIME_BASE; - us = pts % AV_TIME_BASE; - mins = secs / 60; - secs %= 60; - hours = mins / 60; - mins %= 60; - - bitrate = pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1; - - if (total_size < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "size=N/A time="); - else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "size=%8.0fkB time=", total_size / 1024.0); - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "%02d:%02d:%02d.%02d ", hours, mins, secs, - (100 * us) / AV_TIME_BASE); - if (bitrate < 0) snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "bitrate=N/A"); - else snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), - "bitrate=%6.1fkbits/s", bitrate); - if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n"); - else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size); - av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts); - av_bprintf(&buf_script, "out_time=%02d:%02d:%02d.%06d\n", - hours, mins, secs, us); - - if (nb_frames_dup || nb_frames_drop) - snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d", - nb_frames_dup, nb_frames_drop); - av_bprintf(&buf_script, "dup_frames=%d\n", nb_frames_dup); - av_bprintf(&buf_script, "drop_frames=%d\n", nb_frames_drop); - - if (print_stats || is_last_report) { - if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) { - fprintf(stderr, "%s \r", buf); - } else - av_log(NULL, AV_LOG_INFO, "%s \r", buf); - - fflush(stderr); - } - - if (progress_avio) { - av_bprintf(&buf_script, "progress=%s\n", - is_last_report ? "end" : "continue"); - avio_write(progress_avio, buf_script.str, - FFMIN(buf_script.len, buf_script.size - 1)); - avio_flush(progress_avio); - av_bprint_finalize(&buf_script, NULL); - if (is_last_report) { - avio_close(progress_avio); - progress_avio = NULL; - } - } - - if (is_last_report) { - int64_t raw= audio_size + video_size + subtitle_size + extra_size; - av_log(NULL, AV_LOG_INFO, "\n"); - av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB subtitle:%1.0f global headers:%1.0fkB muxing overhead %f%%\n", - video_size / 1024.0, - audio_size / 1024.0, - subtitle_size / 1024.0, - extra_size / 1024.0, - 100.0 * (total_size - raw) / raw - ); - if(video_size + audio_size + subtitle_size + extra_size == 0){ - av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n"); - } - } -} - -static void flush_encoders(void) -{ - int i, ret; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - AVCodecContext *enc = ost->st->codec; - AVFormatContext *os = output_files[ost->file_index]->ctx; - int stop_encoding = 0; - - if (!ost->encoding_needed) - continue; - - if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1) - continue; - if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == AV_CODEC_ID_RAWVIDEO) - continue; - - for (;;) { - int (*encode)(AVCodecContext*, AVPacket*, const AVFrame*, int*) = NULL; - const char *desc; - int64_t *size; - - switch (ost->st->codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - encode = avcodec_encode_audio2; - desc = "Audio"; - size = &audio_size; - break; - case AVMEDIA_TYPE_VIDEO: - encode = avcodec_encode_video2; - desc = "Video"; - size = &video_size; - break; - default: - stop_encoding = 1; - } - - if (encode) { - AVPacket pkt; - int got_packet; - av_init_packet(&pkt); - pkt.data = NULL; - pkt.size = 0; - - update_benchmark(NULL); - ret = encode(enc, &pkt, NULL, &got_packet); - update_benchmark("flush %s %d.%d", desc, ost->file_index, ost->index); - if (ret < 0) { - av_log(NULL, AV_LOG_FATAL, "%s encoding failed\n", desc); - exit(1); - } - *size += pkt.size; - if (ost->logfile && enc->stats_out) { - fprintf(ost->logfile, "%s", enc->stats_out); - } - if (!got_packet) { - stop_encoding = 1; - break; - } - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base); - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base); - if (pkt.duration > 0) - pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base); - write_frame(os, &pkt, ost); - if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && vstats_filename) { - do_video_stats(ost, pkt.size); - } - } - - if (stop_encoding) - break; - } - } -} - -/* - * Check whether a packet from ist should be written into ost at this time - */ -static int check_output_constraints(InputStream *ist, OutputStream *ost) -{ - OutputFile *of = output_files[ost->file_index]; - int ist_index = input_files[ist->file_index]->ist_index + ist->st->index; - - if (ost->source_index != ist_index) - return 0; - - if (of->start_time && ist->pts < of->start_time) - return 0; - - return 1; -} - -static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt) -{ - OutputFile *of = output_files[ost->file_index]; - int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base); - AVPicture pict; - AVPacket opkt; - - av_init_packet(&opkt); - - if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && - !ost->copy_initial_nonkeyframes) - return; - - if (!ost->frame_number && ist->pts < of->start_time && - !ost->copy_prior_start) - return; - - if (of->recording_time != INT64_MAX && - ist->pts >= of->recording_time + of->start_time) { - close_output_stream(ost); - return; - } - - /* force the input stream PTS */ - if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) - audio_size += pkt->size; - else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) { - video_size += pkt->size; - ost->sync_opts++; - } else if (ost->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) { - subtitle_size += pkt->size; - } - - if (pkt->pts != AV_NOPTS_VALUE) - opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time; - else - opkt.pts = AV_NOPTS_VALUE; - - if (pkt->dts == AV_NOPTS_VALUE) - opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base); - else - opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base); - opkt.dts -= ost_tb_start_time; - - if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && pkt->dts != AV_NOPTS_VALUE) { - int duration = av_get_audio_frame_duration(ist->st->codec, pkt->size); - if(!duration) - duration = ist->st->codec->frame_size; - opkt.dts = opkt.pts = av_rescale_delta(ist->st->time_base, pkt->dts, - (AVRational){1, ist->st->codec->sample_rate}, duration, &ist->filter_in_rescale_delta_last, - ost->st->time_base) - ost_tb_start_time; - } - - opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base); - opkt.flags = pkt->flags; - - // FIXME remove the following 2 lines they shall be replaced by the bitstream filters - if ( ost->st->codec->codec_id != AV_CODEC_ID_H264 - && ost->st->codec->codec_id != AV_CODEC_ID_MPEG1VIDEO - && ost->st->codec->codec_id != AV_CODEC_ID_MPEG2VIDEO - && ost->st->codec->codec_id != AV_CODEC_ID_VC1 - ) { - if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY)) { - opkt.buf = av_buffer_create(opkt.data, opkt.size, av_buffer_default_free, NULL, 0); - if (!opkt.buf) - exit(1); - } - } else { - opkt.data = pkt->data; - opkt.size = pkt->size; - } - - if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (of->ctx->oformat->flags & AVFMT_RAWPICTURE)) { - /* store AVPicture in AVPacket, as expected by the output format */ - avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height); - opkt.data = (uint8_t *)&pict; - opkt.size = sizeof(AVPicture); - opkt.flags |= AV_PKT_FLAG_KEY; - } - - write_frame(of->ctx, &opkt, ost); - ost->st->codec->frame_number++; -} - -static void rate_emu_sleep(InputStream *ist) -{ - if (input_files[ist->file_index]->rate_emu) { - int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE); - int64_t now = av_gettime() - ist->start; - if (pts > now) - av_usleep(pts - now); - } -} - -int guess_input_channel_layout(InputStream *ist) -{ - AVCodecContext *dec = ist->st->codec; - - if (!dec->channel_layout) { - char layout_name[256]; - - if (dec->channels > ist->guess_layout_max) - return 0; - dec->channel_layout = av_get_default_channel_layout(dec->channels); - if (!dec->channel_layout) - return 0; - av_get_channel_layout_string(layout_name, sizeof(layout_name), - dec->channels, dec->channel_layout); - av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream " - "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name); - } - return 1; -} - -static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVFrame *decoded_frame, *f; - AVCodecContext *avctx = ist->st->codec; - int i, ret, err = 0, resample_changed; - AVRational decoded_frame_tb; - - if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame())) - return AVERROR(ENOMEM); - if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) - return AVERROR(ENOMEM); - decoded_frame = ist->decoded_frame; - - update_benchmark(NULL); - ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt); - update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index); - - if (ret >= 0 && avctx->sample_rate <= 0) { - av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate); - ret = AVERROR_INVALIDDATA; - } - - if (!*got_output || ret < 0) { - if (!pkt->size) { - for (i = 0; i < ist->nb_filters; i++) -#if 1 - av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); -#else - av_buffersrc_add_frame(ist->filters[i]->filter, NULL); -#endif - } - return ret; - } - -#if 1 - /* increment next_dts to use for the case where the input stream does not - have timestamps or there are multiple frames in the packet */ - ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / - avctx->sample_rate; - ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) / - avctx->sample_rate; -#endif - - rate_emu_sleep(ist); - - resample_changed = ist->resample_sample_fmt != decoded_frame->format || - ist->resample_channels != avctx->channels || - ist->resample_channel_layout != decoded_frame->channel_layout || - ist->resample_sample_rate != decoded_frame->sample_rate; - if (resample_changed) { - char layout1[64], layout2[64]; - - if (!guess_input_channel_layout(ist)) { - av_log(NULL, AV_LOG_FATAL, "Unable to find default channel " - "layout for Input Stream #%d.%d\n", ist->file_index, - ist->st->index); - exit(1); - } - decoded_frame->channel_layout = avctx->channel_layout; - - av_get_channel_layout_string(layout1, sizeof(layout1), ist->resample_channels, - ist->resample_channel_layout); - av_get_channel_layout_string(layout2, sizeof(layout2), avctx->channels, - decoded_frame->channel_layout); - - av_log(NULL, AV_LOG_INFO, - "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d chl:%s to rate:%d fmt:%s ch:%d chl:%s\n", - ist->file_index, ist->st->index, - ist->resample_sample_rate, av_get_sample_fmt_name(ist->resample_sample_fmt), - ist->resample_channels, layout1, - decoded_frame->sample_rate, av_get_sample_fmt_name(decoded_frame->format), - avctx->channels, layout2); - - ist->resample_sample_fmt = decoded_frame->format; - ist->resample_sample_rate = decoded_frame->sample_rate; - ist->resample_channel_layout = decoded_frame->channel_layout; - ist->resample_channels = avctx->channels; - - for (i = 0; i < nb_filtergraphs; i++) - if (ist_in_filtergraph(filtergraphs[i], ist)) { - FilterGraph *fg = filtergraphs[i]; - int j; - if (configure_filtergraph(fg) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); - exit(1); - } - for (j = 0; j < fg->nb_outputs; j++) { - OutputStream *ost = fg->outputs[j]->ost; - if (ost->enc->type == AVMEDIA_TYPE_AUDIO && - !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) - av_buffersink_set_frame_size(ost->filter->filter, - ost->st->codec->frame_size); - } - } - } - - /* if the decoder provides a pts, use it instead of the last packet pts. - the decoder could be delaying output by a packet or more. */ - if (decoded_frame->pts != AV_NOPTS_VALUE) { - ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q); - decoded_frame_tb = avctx->time_base; - } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) { - decoded_frame->pts = decoded_frame->pkt_pts; - pkt->pts = AV_NOPTS_VALUE; - decoded_frame_tb = ist->st->time_base; - } else if (pkt->pts != AV_NOPTS_VALUE) { - decoded_frame->pts = pkt->pts; - pkt->pts = AV_NOPTS_VALUE; - decoded_frame_tb = ist->st->time_base; - }else { - decoded_frame->pts = ist->dts; - decoded_frame_tb = AV_TIME_BASE_Q; - } - if (decoded_frame->pts != AV_NOPTS_VALUE) - decoded_frame->pts = av_rescale_delta(decoded_frame_tb, decoded_frame->pts, - (AVRational){1, ist->st->codec->sample_rate}, decoded_frame->nb_samples, &ist->filter_in_rescale_delta_last, - (AVRational){1, ist->st->codec->sample_rate}); - for (i = 0; i < ist->nb_filters; i++) { - if (i < ist->nb_filters - 1) { - f = ist->filter_frame; - err = av_frame_ref(f, decoded_frame); - if (err < 0) - break; - } else - f = decoded_frame; - err = av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, - AV_BUFFERSRC_FLAG_PUSH); - if (err < 0) - break; - } - decoded_frame->pts = AV_NOPTS_VALUE; - - av_frame_unref(ist->filter_frame); - av_frame_unref(decoded_frame); - return err < 0 ? err : ret; -} - -static int decode_video(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVFrame *decoded_frame, *f; - void *buffer_to_free = NULL; - int i, ret = 0, err = 0, resample_changed; - int64_t best_effort_timestamp; - AVRational *frame_sample_aspect; - - if (!ist->decoded_frame && !(ist->decoded_frame = av_frame_alloc())) - return AVERROR(ENOMEM); - if (!ist->filter_frame && !(ist->filter_frame = av_frame_alloc())) - return AVERROR(ENOMEM); - decoded_frame = ist->decoded_frame; - pkt->dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ist->st->time_base); - - update_benchmark(NULL); - ret = avcodec_decode_video2(ist->st->codec, - decoded_frame, got_output, pkt); - update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index); - if (!*got_output || ret < 0) { - if (!pkt->size) { - for (i = 0; i < ist->nb_filters; i++) -#if 1 - av_buffersrc_add_ref(ist->filters[i]->filter, NULL, 0); -#else - av_buffersrc_add_frame(ist->filters[i]->filter, NULL); -#endif - } - return ret; - } - - if(ist->top_field_first>=0) - decoded_frame->top_field_first = ist->top_field_first; - - best_effort_timestamp= av_frame_get_best_effort_timestamp(decoded_frame); - if(best_effort_timestamp != AV_NOPTS_VALUE) - ist->next_pts = ist->pts = av_rescale_q(decoded_frame->pts = best_effort_timestamp, ist->st->time_base, AV_TIME_BASE_Q); - - if (debug_ts) { - av_log(NULL, AV_LOG_INFO, "decoder -> ist_index:%d type:video " - "frame_pts:%s frame_pts_time:%s best_effort_ts:%"PRId64" best_effort_ts_time:%s keyframe:%d frame_type:%d \n", - ist->st->index, av_ts2str(decoded_frame->pts), - av_ts2timestr(decoded_frame->pts, &ist->st->time_base), - best_effort_timestamp, - av_ts2timestr(best_effort_timestamp, &ist->st->time_base), - decoded_frame->key_frame, decoded_frame->pict_type); - } - - pkt->size = 0; -#if FF_API_DEINTERLACE - pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free); -#endif - - rate_emu_sleep(ist); - - if (ist->st->sample_aspect_ratio.num) - decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio; - - resample_changed = ist->resample_width != decoded_frame->width || - ist->resample_height != decoded_frame->height || - ist->resample_pix_fmt != decoded_frame->format; - if (resample_changed) { - av_log(NULL, AV_LOG_INFO, - "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n", - ist->file_index, ist->st->index, - ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt), - decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format)); - - ist->resample_width = decoded_frame->width; - ist->resample_height = decoded_frame->height; - ist->resample_pix_fmt = decoded_frame->format; - - for (i = 0; i < nb_filtergraphs; i++) { - if (ist_in_filtergraph(filtergraphs[i], ist) && ist->reinit_filters && - configure_filtergraph(filtergraphs[i]) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n"); - exit(1); - } - } - } - - frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio"); - for (i = 0; i < ist->nb_filters; i++) { - if (!frame_sample_aspect->num) - *frame_sample_aspect = ist->st->sample_aspect_ratio; - - if (i < ist->nb_filters - 1) { - f = ist->filter_frame; - err = av_frame_ref(f, decoded_frame); - if (err < 0) - break; - } else - f = decoded_frame; - if(av_buffersrc_add_frame_flags(ist->filters[i]->filter, f, - AV_BUFFERSRC_FLAG_PUSH)<0) { - av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n"); - exit(1); - } - - } - - av_frame_unref(ist->filter_frame); - av_frame_unref(decoded_frame); - av_free(buffer_to_free); - return err < 0 ? err : ret; -} - -static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output) -{ - AVSubtitle subtitle; - int i, ret = avcodec_decode_subtitle2(ist->st->codec, - &subtitle, got_output, pkt); - if (ret < 0 || !*got_output) { - if (!pkt->size) - sub2video_flush(ist); - return ret; - } - - if (ist->fix_sub_duration) { - if (ist->prev_sub.got_output) { - int end = av_rescale(subtitle.pts - ist->prev_sub.subtitle.pts, - 1000, AV_TIME_BASE); - if (end < ist->prev_sub.subtitle.end_display_time) { - av_log(ist->st->codec, AV_LOG_DEBUG, - "Subtitle duration reduced from %d to %d\n", - ist->prev_sub.subtitle.end_display_time, end); - ist->prev_sub.subtitle.end_display_time = end; - } - } - FFSWAP(int, *got_output, ist->prev_sub.got_output); - FFSWAP(int, ret, ist->prev_sub.ret); - FFSWAP(AVSubtitle, subtitle, ist->prev_sub.subtitle); - } - - sub2video_update(ist, &subtitle); - - if (!*got_output || !subtitle.num_rects) - return ret; - - rate_emu_sleep(ist); - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - - if (!check_output_constraints(ist, ost) || !ost->encoding_needed) - continue; - - do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle); - } - - avsubtitle_free(&subtitle); - return ret; -} - -/* pkt = NULL means EOF (needed to flush decoder buffers) */ -static int output_packet(InputStream *ist, const AVPacket *pkt) -{ - int ret = 0, i; - int got_output; - - AVPacket avpkt; - if (!ist->saw_first_ts) { - ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0; - ist->pts = 0; - if (pkt != NULL && pkt->pts != AV_NOPTS_VALUE && !ist->decoding_needed) { - ist->dts += av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q); - ist->pts = ist->dts; //unused but better to set it to a value thats not totally wrong - } - ist->saw_first_ts = 1; - } - - if (ist->next_dts == AV_NOPTS_VALUE) - ist->next_dts = ist->dts; - if (ist->next_pts == AV_NOPTS_VALUE) - ist->next_pts = ist->pts; - - if (pkt == NULL) { - /* EOF handling */ - av_init_packet(&avpkt); - avpkt.data = NULL; - avpkt.size = 0; - goto handle_eof; - } else { - avpkt = *pkt; - } - - if (pkt->dts != AV_NOPTS_VALUE) { - ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q); - if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed) - ist->next_pts = ist->pts = ist->dts; - } - - // while we have more to decode or while the decoder did output something on EOF - while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) { - int duration; - handle_eof: - - ist->pts = ist->next_pts; - ist->dts = ist->next_dts; - - if (avpkt.size && avpkt.size != pkt->size) { - av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING, - "Multiple frames in a packet from stream %d\n", pkt->stream_index); - ist->showed_multi_packet_warning = 1; - } - - switch (ist->st->codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - ret = decode_audio (ist, &avpkt, &got_output); - break; - case AVMEDIA_TYPE_VIDEO: - ret = decode_video (ist, &avpkt, &got_output); - if (avpkt.duration) { - duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q); - } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) { - int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame; - duration = ((int64_t)AV_TIME_BASE * - ist->st->codec->time_base.num * ticks) / - ist->st->codec->time_base.den; - } else - duration = 0; - - if(ist->dts != AV_NOPTS_VALUE && duration) { - ist->next_dts += duration; - }else - ist->next_dts = AV_NOPTS_VALUE; - - if (got_output) - ist->next_pts += duration; //FIXME the duration is not correct in some cases - break; - case AVMEDIA_TYPE_SUBTITLE: - ret = transcode_subtitles(ist, &avpkt, &got_output); - break; - default: - return -1; - } - - if (ret < 0) - return ret; - - avpkt.dts= - avpkt.pts= AV_NOPTS_VALUE; - - // touch data and size only if not EOF - if (pkt) { - if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO) - ret = avpkt.size; - avpkt.data += ret; - avpkt.size -= ret; - } - if (!got_output) { - continue; - } - } - - /* handle stream copy */ - if (!ist->decoding_needed) { - rate_emu_sleep(ist); - ist->dts = ist->next_dts; - switch (ist->st->codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) / - ist->st->codec->sample_rate; - break; - case AVMEDIA_TYPE_VIDEO: - if (pkt->duration) { - ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q); - } else if(ist->st->codec->time_base.num != 0) { - int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame; - ist->next_dts += ((int64_t)AV_TIME_BASE * - ist->st->codec->time_base.num * ticks) / - ist->st->codec->time_base.den; - } - break; - } - ist->pts = ist->dts; - ist->next_pts = ist->next_dts; - } - for (i = 0; pkt && i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - - if (!check_output_constraints(ist, ost) || ost->encoding_needed) - continue; - - do_streamcopy(ist, ost, pkt); - } - - return 0; -} - -static void print_sdp(void) -{ - char sdp[16384]; - int i; - AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files); - - if (!avc) - exit(1); - for (i = 0; i < nb_output_files; i++) - avc[i] = output_files[i]->ctx; - - av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp)); - printf("SDP:\n%s\n", sdp); - fflush(stdout); - av_freep(&avc); -} - -static int init_input_stream(int ist_index, char *error, int error_len) -{ - int ret; - InputStream *ist = input_streams[ist_index]; - - if (ist->decoding_needed) { - AVCodec *codec = ist->dec; - if (!codec) { - snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d", - avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index); - return AVERROR(EINVAL); - } - - av_opt_set_int(ist->st->codec, "refcounted_frames", 1, 0); - - if (!av_dict_get(ist->opts, "threads", NULL, 0)) - av_dict_set(&ist->opts, "threads", "auto", 0); - if ((ret = avcodec_open2(ist->st->codec, codec, &ist->opts)) < 0) { - if (ret == AVERROR_EXPERIMENTAL) - abort_codec_experimental(codec, 0); - snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d", - ist->file_index, ist->st->index); - return ret; - } - assert_avoptions(ist->opts); - } - - ist->next_pts = AV_NOPTS_VALUE; - ist->next_dts = AV_NOPTS_VALUE; - ist->is_start = 1; - - return 0; -} - -static InputStream *get_input_stream(OutputStream *ost) -{ - if (ost->source_index >= 0) - return input_streams[ost->source_index]; - return NULL; -} - -static int compare_int64(const void *a, const void *b) -{ - int64_t va = *(int64_t *)a, vb = *(int64_t *)b; - return va < vb ? -1 : va > vb ? +1 : 0; -} - -static void parse_forced_key_frames(char *kf, OutputStream *ost, - AVCodecContext *avctx) -{ - char *p; - int n = 1, i, size, index = 0; - int64_t t, *pts; - - for (p = kf; *p; p++) - if (*p == ',') - n++; - size = n; - pts = av_malloc(sizeof(*pts) * size); - if (!pts) { - av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n"); - exit(1); - } - - p = kf; - for (i = 0; i < n; i++) { - char *next = strchr(p, ','); - - if (next) - *next++ = 0; - - if (!memcmp(p, "chapters", 8)) { - - AVFormatContext *avf = output_files[ost->file_index]->ctx; - int j; - - if (avf->nb_chapters > INT_MAX - size || - !(pts = av_realloc_f(pts, size += avf->nb_chapters - 1, - sizeof(*pts)))) { - av_log(NULL, AV_LOG_FATAL, - "Could not allocate forced key frames array.\n"); - exit(1); - } - t = p[8] ? parse_time_or_die("force_key_frames", p + 8, 1) : 0; - t = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); - - for (j = 0; j < avf->nb_chapters; j++) { - AVChapter *c = avf->chapters[j]; - av_assert1(index < size); - pts[index++] = av_rescale_q(c->start, c->time_base, - avctx->time_base) + t; - } - - } else { - - t = parse_time_or_die("force_key_frames", p, 1); - av_assert1(index < size); - pts[index++] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base); - - } - - p = next; - } - - av_assert0(index == size); - qsort(pts, size, sizeof(*pts), compare_int64); - ost->forced_kf_count = size; - ost->forced_kf_pts = pts; -} - -static void report_new_stream(int input_index, AVPacket *pkt) -{ - InputFile *file = input_files[input_index]; - AVStream *st = file->ctx->streams[pkt->stream_index]; - - if (pkt->stream_index < file->nb_streams_warn) - return; - av_log(file->ctx, AV_LOG_WARNING, - "New %s stream %d:%d at pos:%"PRId64" and DTS:%ss\n", - av_get_media_type_string(st->codec->codec_type), - input_index, pkt->stream_index, - pkt->pos, av_ts2timestr(pkt->dts, &st->time_base)); - file->nb_streams_warn = pkt->stream_index + 1; -} - -static int transcode_init(void) -{ - int ret = 0, i, j, k; - AVFormatContext *oc; - AVCodecContext *codec; - OutputStream *ost; - InputStream *ist; - char error[1024]; - int want_sdp = 1; - - /* init framerate emulation */ - for (i = 0; i < nb_input_files; i++) { - InputFile *ifile = input_files[i]; - if (ifile->rate_emu) - for (j = 0; j < ifile->nb_streams; j++) - input_streams[j + ifile->ist_index]->start = av_gettime(); - } - - /* output stream init */ - for (i = 0; i < nb_output_files; i++) { - oc = output_files[i]->ctx; - if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) { - av_dump_format(oc, i, oc->filename, 1); - av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i); - return AVERROR(EINVAL); - } - } - - /* init complex filtergraphs */ - for (i = 0; i < nb_filtergraphs; i++) - if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0) - return ret; - - /* for each output stream, we compute the right encoding parameters */ - for (i = 0; i < nb_output_streams; i++) { - AVCodecContext *icodec = NULL; - ost = output_streams[i]; - oc = output_files[ost->file_index]->ctx; - ist = get_input_stream(ost); - - if (ost->attachment_filename) - continue; - - codec = ost->st->codec; - - if (ist) { - icodec = ist->st->codec; - - ost->st->disposition = ist->st->disposition; - codec->bits_per_raw_sample = icodec->bits_per_raw_sample; - codec->chroma_sample_location = icodec->chroma_sample_location; - } - - if (ost->stream_copy) { - uint64_t extra_size; - - av_assert0(ist && !ost->filter); - - extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE; - - if (extra_size > INT_MAX) { - return AVERROR(EINVAL); - } - - /* if stream_copy is selected, no need to decode or encode */ - codec->codec_id = icodec->codec_id; - codec->codec_type = icodec->codec_type; - - if (!codec->codec_tag) { - unsigned int codec_tag; - if (!oc->oformat->codec_tag || - av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id || - !av_codec_get_tag2(oc->oformat->codec_tag, icodec->codec_id, &codec_tag)) - codec->codec_tag = icodec->codec_tag; - } - - codec->bit_rate = icodec->bit_rate; - codec->rc_max_rate = icodec->rc_max_rate; - codec->rc_buffer_size = icodec->rc_buffer_size; - codec->field_order = icodec->field_order; - codec->extradata = av_mallocz(extra_size); - if (!codec->extradata) { - return AVERROR(ENOMEM); - } - memcpy(codec->extradata, icodec->extradata, icodec->extradata_size); - codec->extradata_size= icodec->extradata_size; - codec->bits_per_coded_sample = icodec->bits_per_coded_sample; - - codec->time_base = ist->st->time_base; - /* - * Avi is a special case here because it supports variable fps but - * having the fps and timebase differe significantly adds quite some - * overhead - */ - if(!strcmp(oc->oformat->name, "avi")) { - if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate) - && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base) - && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(icodec->time_base) - && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(icodec->time_base) < 1.0/500 - || copy_tb==2){ - codec->time_base.num = ist->st->r_frame_rate.den; - codec->time_base.den = 2*ist->st->r_frame_rate.num; - codec->ticks_per_frame = 2; - } else if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) - && av_q2d(ist->st->time_base) < 1.0/500 - || copy_tb==0){ - codec->time_base = icodec->time_base; - codec->time_base.num *= icodec->ticks_per_frame; - codec->time_base.den *= 2; - codec->ticks_per_frame = 2; - } - } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS) - && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp") - && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod") - && strcmp(oc->oformat->name, "f4v") - ) { - if( copy_tb<0 && icodec->time_base.den - && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) - && av_q2d(ist->st->time_base) < 1.0/500 - || copy_tb==0){ - codec->time_base = icodec->time_base; - codec->time_base.num *= icodec->ticks_per_frame; - } - } - if ( codec->codec_tag == AV_RL32("tmcd") - && icodec->time_base.num < icodec->time_base.den - && icodec->time_base.num > 0 - && 121LL*icodec->time_base.num > icodec->time_base.den) { - codec->time_base = icodec->time_base; - } - - if(ost->frame_rate.num) - codec->time_base = av_inv_q(ost->frame_rate); - - av_reduce(&codec->time_base.num, &codec->time_base.den, - codec->time_base.num, codec->time_base.den, INT_MAX); - - switch (codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - if (audio_volume != 256) { - av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n"); - exit(1); - } - codec->channel_layout = icodec->channel_layout; - codec->sample_rate = icodec->sample_rate; - codec->channels = icodec->channels; - codec->frame_size = icodec->frame_size; - codec->audio_service_type = icodec->audio_service_type; - codec->block_align = icodec->block_align; - if((codec->block_align == 1 || codec->block_align == 1152 || codec->block_align == 576) && codec->codec_id == AV_CODEC_ID_MP3) - codec->block_align= 0; - if(codec->codec_id == AV_CODEC_ID_AC3) - codec->block_align= 0; - break; - case AVMEDIA_TYPE_VIDEO: - codec->pix_fmt = icodec->pix_fmt; - codec->width = icodec->width; - codec->height = icodec->height; - codec->has_b_frames = icodec->has_b_frames; - if (!codec->sample_aspect_ratio.num) { - codec->sample_aspect_ratio = - ost->st->sample_aspect_ratio = - ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio : - ist->st->codec->sample_aspect_ratio.num ? - ist->st->codec->sample_aspect_ratio : (AVRational){0, 1}; - } - ost->st->avg_frame_rate = ist->st->avg_frame_rate; - break; - case AVMEDIA_TYPE_SUBTITLE: - codec->width = icodec->width; - codec->height = icodec->height; - break; - case AVMEDIA_TYPE_DATA: - case AVMEDIA_TYPE_ATTACHMENT: - break; - default: - abort(); - } - } else { - if (!ost->enc) - ost->enc = avcodec_find_encoder(codec->codec_id); - if (!ost->enc) { - /* should only happen when a default codec is not present. */ - snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d", - avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index); - ret = AVERROR(EINVAL); - goto dump_format; - } - - if (ist) - ist->decoding_needed++; - ost->encoding_needed = 1; - - if (!ost->filter && - (codec->codec_type == AVMEDIA_TYPE_VIDEO || - codec->codec_type == AVMEDIA_TYPE_AUDIO)) { - FilterGraph *fg; - fg = init_simple_filtergraph(ist, ost); - if (configure_filtergraph(fg)) { - av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n"); - exit(1); - } - } - - if (codec->codec_type == AVMEDIA_TYPE_VIDEO) { - if (ost->filter && !ost->frame_rate.num) - ost->frame_rate = av_buffersink_get_frame_rate(ost->filter->filter); - if (ist && !ost->frame_rate.num) - ost->frame_rate = ist->framerate; - if (ist && !ost->frame_rate.num) - ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1}; -// ost->frame_rate = ist->st->avg_frame_rate.num ? ist->st->avg_frame_rate : (AVRational){25, 1}; - if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) { - int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates); - ost->frame_rate = ost->enc->supported_framerates[idx]; - } - } - - switch (codec->codec_type) { - case AVMEDIA_TYPE_AUDIO: - codec->sample_fmt = ost->filter->filter->inputs[0]->format; - codec->sample_rate = ost->filter->filter->inputs[0]->sample_rate; - codec->channel_layout = ost->filter->filter->inputs[0]->channel_layout; - codec->channels = avfilter_link_get_channels(ost->filter->filter->inputs[0]); - codec->time_base = (AVRational){ 1, codec->sample_rate }; - break; - case AVMEDIA_TYPE_VIDEO: - codec->time_base = av_inv_q(ost->frame_rate); - if (ost->filter && !(codec->time_base.num && codec->time_base.den)) - codec->time_base = ost->filter->filter->inputs[0]->time_base; - if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH - && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){ - av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n" - "Please consider specifying a lower framerate, a different muxer or -vsync 2\n"); - } - for (j = 0; j < ost->forced_kf_count; j++) - ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j], - AV_TIME_BASE_Q, - codec->time_base); - - codec->width = ost->filter->filter->inputs[0]->w; - codec->height = ost->filter->filter->inputs[0]->h; - codec->sample_aspect_ratio = ost->st->sample_aspect_ratio = - ost->frame_aspect_ratio ? // overridden by the -aspect cli option - av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) : - ost->filter->filter->inputs[0]->sample_aspect_ratio; - if (!strncmp(ost->enc->name, "libx264", 7) && - codec->pix_fmt == AV_PIX_FMT_NONE && - ost->filter->filter->inputs[0]->format != AV_PIX_FMT_YUV420P) - av_log(NULL, AV_LOG_INFO, - "No pixel format specified, %s for H.264 encoding chosen.\n" - "Use -pix_fmt yuv420p for compatibility with outdated media players.\n", - av_get_pix_fmt_name(ost->filter->filter->inputs[0]->format)); - codec->pix_fmt = ost->filter->filter->inputs[0]->format; - - if (!icodec || - codec->width != icodec->width || - codec->height != icodec->height || - codec->pix_fmt != icodec->pix_fmt) { - codec->bits_per_raw_sample = frame_bits_per_raw_sample; - } - - if (ost->forced_keyframes) { - if (!strncmp(ost->forced_keyframes, "expr:", 5)) { - ret = av_expr_parse(&ost->forced_keyframes_pexpr, ost->forced_keyframes+5, - forced_keyframes_const_names, NULL, NULL, NULL, NULL, 0, NULL); - if (ret < 0) { - av_log(NULL, AV_LOG_ERROR, - "Invalid force_key_frames expression '%s'\n", ost->forced_keyframes+5); - return ret; - } - ost->forced_keyframes_expr_const_values[FKF_N] = 0; - ost->forced_keyframes_expr_const_values[FKF_N_FORCED] = 0; - ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_N] = NAN; - ost->forced_keyframes_expr_const_values[FKF_PREV_FORCED_T] = NAN; - } else { - parse_forced_key_frames(ost->forced_keyframes, ost, ost->st->codec); - } - } - break; - case AVMEDIA_TYPE_SUBTITLE: - codec->time_base = (AVRational){1, 1000}; - if (!codec->width) { - codec->width = input_streams[ost->source_index]->st->codec->width; - codec->height = input_streams[ost->source_index]->st->codec->height; - } - break; - default: - abort(); - break; - } - /* two pass mode */ - if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) { - char logfilename[1024]; - FILE *f; - - snprintf(logfilename, sizeof(logfilename), "%s-%d.log", - ost->logfile_prefix ? ost->logfile_prefix : - DEFAULT_PASS_LOGFILENAME_PREFIX, - i); - if (!strcmp(ost->enc->name, "libx264")) { - av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE); - } else { - if (codec->flags & CODEC_FLAG_PASS2) { - char *logbuffer; - size_t logbuffer_size; - if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) { - av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n", - logfilename); - exit(1); - } - codec->stats_in = logbuffer; - } - if (codec->flags & CODEC_FLAG_PASS1) { - f = fopen(logfilename, "wb"); - if (!f) { - av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n", - logfilename, strerror(errno)); - exit(1); - } - ost->logfile = f; - } - } - } - } - } - - /* open each encoder */ - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost->encoding_needed) { - AVCodec *codec = ost->enc; - AVCodecContext *dec = NULL; - - if ((ist = get_input_stream(ost))) - dec = ist->st->codec; - if (dec && dec->subtitle_header) { - /* ASS code assumes this buffer is null terminated so add extra byte. */ - ost->st->codec->subtitle_header = av_mallocz(dec->subtitle_header_size + 1); - if (!ost->st->codec->subtitle_header) { - ret = AVERROR(ENOMEM); - goto dump_format; - } - memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size); - ost->st->codec->subtitle_header_size = dec->subtitle_header_size; - } - if (!av_dict_get(ost->opts, "threads", NULL, 0)) - av_dict_set(&ost->opts, "threads", "auto", 0); - if ((ret = avcodec_open2(ost->st->codec, codec, &ost->opts)) < 0) { - if (ret == AVERROR_EXPERIMENTAL) - abort_codec_experimental(codec, 1); - snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height", - ost->file_index, ost->index); - goto dump_format; - } - if (ost->enc->type == AVMEDIA_TYPE_AUDIO && - !(ost->enc->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) - av_buffersink_set_frame_size(ost->filter->filter, - ost->st->codec->frame_size); - assert_avoptions(ost->opts); - if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000) - av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low." - " It takes bits/s as argument, not kbits/s\n"); - extra_size += ost->st->codec->extradata_size; - - if (ost->st->codec->me_threshold) - input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV; - } else { - av_opt_set_dict(ost->st->codec, &ost->opts); - } - } - - /* init input streams */ - for (i = 0; i < nb_input_streams; i++) - if ((ret = init_input_stream(i, error, sizeof(error))) < 0) { - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - avcodec_close(ost->st->codec); - } - goto dump_format; - } - - /* discard unused programs */ - for (i = 0; i < nb_input_files; i++) { - InputFile *ifile = input_files[i]; - for (j = 0; j < ifile->ctx->nb_programs; j++) { - AVProgram *p = ifile->ctx->programs[j]; - int discard = AVDISCARD_ALL; - - for (k = 0; k < p->nb_stream_indexes; k++) - if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) { - discard = AVDISCARD_DEFAULT; - break; - } - p->discard = discard; - } - } - - /* open files and write file headers */ - for (i = 0; i < nb_output_files; i++) { - oc = output_files[i]->ctx; - oc->interrupt_callback = int_cb; - if ((ret = avformat_write_header(oc, &output_files[i]->opts)) < 0) { - char errbuf[128]; - const char *errbuf_ptr = errbuf; - if (av_strerror(ret, errbuf, sizeof(errbuf)) < 0) - errbuf_ptr = strerror(AVUNERROR(ret)); - snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?): %s", i, errbuf_ptr); - ret = AVERROR(EINVAL); - goto dump_format; - } -// assert_avoptions(output_files[i]->opts); - if (strcmp(oc->oformat->name, "rtp")) { - want_sdp = 0; - } - } - - dump_format: - /* dump the file output parameters - cannot be done before in case - of stream copy */ - for (i = 0; i < nb_output_files; i++) { - av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1); - } - - /* dump the stream mapping */ - av_log(NULL, AV_LOG_INFO, "Stream mapping:\n"); - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - - for (j = 0; j < ist->nb_filters; j++) { - if (ist->filters[j]->graph->graph_desc) { - av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s", - ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?", - ist->filters[j]->name); - if (nb_filtergraphs > 1) - av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index); - av_log(NULL, AV_LOG_INFO, "\n"); - } - } - } - - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - - if (ost->attachment_filename) { - /* an attached file */ - av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n", - ost->attachment_filename, ost->file_index, ost->index); - continue; - } - - if (ost->filter && ost->filter->graph->graph_desc) { - /* output from a complex graph */ - av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name); - if (nb_filtergraphs > 1) - av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index); - - av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index, - ost->index, ost->enc ? ost->enc->name : "?"); - continue; - } - - av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d", - input_streams[ost->source_index]->file_index, - input_streams[ost->source_index]->st->index, - ost->file_index, - ost->index); - if (ost->sync_ist != input_streams[ost->source_index]) - av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]", - ost->sync_ist->file_index, - ost->sync_ist->st->index); - if (ost->stream_copy) - av_log(NULL, AV_LOG_INFO, " (copy)"); - else - av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ? - input_streams[ost->source_index]->dec->name : "?", - ost->enc ? ost->enc->name : "?"); - av_log(NULL, AV_LOG_INFO, "\n"); - } - - if (ret) { - av_log(NULL, AV_LOG_ERROR, "%s\n", error); - return ret; - } - - if (want_sdp) { - print_sdp(); - } - - return 0; -} - -/* Return 1 if there remain streams where more output is wanted, 0 otherwise. */ -static int need_output(void) -{ - int i; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - OutputFile *of = output_files[ost->file_index]; - AVFormatContext *os = output_files[ost->file_index]->ctx; - - if (ost->finished || - (os->pb && avio_tell(os->pb) >= of->limit_filesize)) - continue; - if (ost->frame_number >= ost->max_frames) { - int j; - for (j = 0; j < of->ctx->nb_streams; j++) - close_output_stream(output_streams[of->ost_index + j]); - continue; - } - - return 1; - } - - return 0; -} - -/** - * Select the output stream to process. - * - * @return selected output stream, or NULL if none available - */ -static OutputStream *choose_output(void) -{ - int i; - int64_t opts_min = INT64_MAX; - OutputStream *ost_min = NULL; - - for (i = 0; i < nb_output_streams; i++) { - OutputStream *ost = output_streams[i]; - int64_t opts = av_rescale_q(ost->st->cur_dts, ost->st->time_base, - AV_TIME_BASE_Q); - if (!ost->unavailable && !ost->finished && opts < opts_min) { - opts_min = opts; - ost_min = ost; - } - } - return ost_min; -} - -static int check_keyboard_interaction(int64_t cur_time) -{ - int i, ret, key; - static int64_t last_time; - if (received_nb_signals) - return AVERROR_EXIT; - /* read_key() returns 0 on EOF */ - if(cur_time - last_time >= 100000 && !run_as_daemon){ - key = read_key(); - last_time = cur_time; - }else - key = -1; - if (key == 'q') - return AVERROR_EXIT; - if (key == '+') av_log_set_level(av_log_get_level()+10); - if (key == '-') av_log_set_level(av_log_get_level()-10); - if (key == 's') qp_hist ^= 1; - if (key == 'h'){ - if (do_hex_dump){ - do_hex_dump = do_pkt_dump = 0; - } else if(do_pkt_dump){ - do_hex_dump = 1; - } else - do_pkt_dump = 1; - av_log_set_level(AV_LOG_DEBUG); - } - if (key == 'c' || key == 'C'){ - char buf[4096], target[64], command[256], arg[256] = {0}; - double time; - int k, n = 0; - fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n"); - i = 0; - while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1) - if (k > 0) - buf[i++] = k; - buf[i] = 0; - if (k > 0 && - (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) { - av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s", - target, time, command, arg); - for (i = 0; i < nb_filtergraphs; i++) { - FilterGraph *fg = filtergraphs[i]; - if (fg->graph) { - if (time < 0) { - ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf), - key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0); - fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf); - } else { - ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time); - } - } - } - } else { - av_log(NULL, AV_LOG_ERROR, - "Parse error, at least 3 arguments were expected, " - "only %d given in string '%s'\n", n, buf); - } - } - if (key == 'd' || key == 'D'){ - int debug=0; - if(key == 'D') { - debug = input_streams[0]->st->codec->debug<<1; - if(!debug) debug = 1; - while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash - debug += debug; - }else - if(scanf("%d", &debug)!=1) - fprintf(stderr,"error parsing debug value\n"); - for(i=0;i<nb_input_streams;i++) { - input_streams[i]->st->codec->debug = debug; - } - for(i=0;i<nb_output_streams;i++) { - OutputStream *ost = output_streams[i]; - ost->st->codec->debug = debug; - } - if(debug) av_log_set_level(AV_LOG_DEBUG); - fprintf(stderr,"debug=%d\n", debug); - } - if (key == '?'){ - fprintf(stderr, "key function\n" - "? show this help\n" - "+ increase verbosity\n" - "- decrease verbosity\n" - "c Send command to filtergraph\n" - "D cycle through available debug modes\n" - "h dump packets/hex press to cycle through the 3 states\n" - "q quit\n" - "s Show QP histogram\n" - ); - } - return 0; -} - -#if HAVE_PTHREADS -static void *input_thread(void *arg) -{ - InputFile *f = arg; - int ret = 0; - - while (!transcoding_finished && ret >= 0) { - AVPacket pkt; - ret = av_read_frame(f->ctx, &pkt); - - if (ret == AVERROR(EAGAIN)) { - av_usleep(10000); - ret = 0; - continue; - } else if (ret < 0) - break; - - pthread_mutex_lock(&f->fifo_lock); - while (!av_fifo_space(f->fifo)) - pthread_cond_wait(&f->fifo_cond, &f->fifo_lock); - - av_dup_packet(&pkt); - av_fifo_generic_write(f->fifo, &pkt, sizeof(pkt), NULL); - - pthread_mutex_unlock(&f->fifo_lock); - } - - f->finished = 1; - return NULL; -} - -static void free_input_threads(void) -{ - int i; - - if (nb_input_files == 1) - return; - - transcoding_finished = 1; - - for (i = 0; i < nb_input_files; i++) { - InputFile *f = input_files[i]; - AVPacket pkt; - - if (!f->fifo || f->joined) - continue; - - pthread_mutex_lock(&f->fifo_lock); - while (av_fifo_size(f->fifo)) { - av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); - av_free_packet(&pkt); - } - pthread_cond_signal(&f->fifo_cond); - pthread_mutex_unlock(&f->fifo_lock); - - pthread_join(f->thread, NULL); - f->joined = 1; - - while (av_fifo_size(f->fifo)) { - av_fifo_generic_read(f->fifo, &pkt, sizeof(pkt), NULL); - av_free_packet(&pkt); - } - av_fifo_free(f->fifo); - } -} - -static int init_input_threads(void) -{ - int i, ret; - - if (nb_input_files == 1) - return 0; - - for (i = 0; i < nb_input_files; i++) { - InputFile *f = input_files[i]; - - if (!(f->fifo = av_fifo_alloc(8*sizeof(AVPacket)))) - return AVERROR(ENOMEM); - - pthread_mutex_init(&f->fifo_lock, NULL); - pthread_cond_init (&f->fifo_cond, NULL); - - if ((ret = pthread_create(&f->thread, NULL, input_thread, f))) - return AVERROR(ret); - } - return 0; -} - -static int get_input_packet_mt(InputFile *f, AVPacket *pkt) -{ - int ret = 0; - - pthread_mutex_lock(&f->fifo_lock); - - if (av_fifo_size(f->fifo)) { - av_fifo_generic_read(f->fifo, pkt, sizeof(*pkt), NULL); - pthread_cond_signal(&f->fifo_cond); - } else { - if (f->finished) - ret = AVERROR_EOF; - else - ret = AVERROR(EAGAIN); - } - - pthread_mutex_unlock(&f->fifo_lock); - - return ret; -} -#endif - -static int get_input_packet(InputFile *f, AVPacket *pkt) -{ -#if HAVE_PTHREADS - if (nb_input_files > 1) - return get_input_packet_mt(f, pkt); -#endif - return av_read_frame(f->ctx, pkt); -} - -static int got_eagain(void) -{ - int i; - for (i = 0; i < nb_output_streams; i++) - if (output_streams[i]->unavailable) - return 1; - return 0; -} - -static void reset_eagain(void) -{ - int i; - for (i = 0; i < nb_input_files; i++) - input_files[i]->eagain = 0; - for (i = 0; i < nb_output_streams; i++) - output_streams[i]->unavailable = 0; -} - -/* - * Return - * - 0 -- one packet was read and processed - * - AVERROR(EAGAIN) -- no packets were available for selected file, - * this function should be called again - * - AVERROR_EOF -- this function should not be called again - */ -static int process_input(int file_index) -{ - InputFile *ifile = input_files[file_index]; - AVFormatContext *is; - InputStream *ist; - AVPacket pkt; - int ret, i, j; - - is = ifile->ctx; - ret = get_input_packet(ifile, &pkt); - - if (ret == AVERROR(EAGAIN)) { - ifile->eagain = 1; - return ret; - } - if (ret < 0) { - if (ret != AVERROR_EOF) { - print_error(is->filename, ret); - if (exit_on_error) - exit(1); - } - ifile->eof_reached = 1; - - for (i = 0; i < ifile->nb_streams; i++) { - ist = input_streams[ifile->ist_index + i]; - if (ist->decoding_needed) - output_packet(ist, NULL); - - /* mark all outputs that don't go through lavfi as finished */ - for (j = 0; j < nb_output_streams; j++) { - OutputStream *ost = output_streams[j]; - - if (ost->source_index == ifile->ist_index + i && - (ost->stream_copy || ost->enc->type == AVMEDIA_TYPE_SUBTITLE)) - close_output_stream(ost); - } - } - - return AVERROR(EAGAIN); - } - - reset_eagain(); - - if (do_pkt_dump) { - av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump, - is->streams[pkt.stream_index]); - } - /* the following test is needed in case new streams appear - dynamically in stream : we ignore them */ - if (pkt.stream_index >= ifile->nb_streams) { - report_new_stream(file_index, &pkt); - goto discard_packet; - } - - ist = input_streams[ifile->ist_index + pkt.stream_index]; - if (ist->discard) - goto discard_packet; - - if (debug_ts) { - av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s " - "next_dts:%s next_dts_time:%s next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n", - ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type), - av_ts2str(ist->next_dts), av_ts2timestr(ist->next_dts, &AV_TIME_BASE_Q), - av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &AV_TIME_BASE_Q), - av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base), - av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base), - av_ts2str(input_files[ist->file_index]->ts_offset), - av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q)); - } - - if(!ist->wrap_correction_done && is->start_time != AV_NOPTS_VALUE && ist->st->pts_wrap_bits < 64){ - int64_t stime, stime2; - // Correcting starttime based on the enabled streams - // FIXME this ideally should be done before the first use of starttime but we do not know which are the enabled streams at that point. - // so we instead do it here as part of discontinuity handling - if ( ist->next_dts == AV_NOPTS_VALUE - && ifile->ts_offset == -is->start_time - && (is->iformat->flags & AVFMT_TS_DISCONT)) { - int64_t new_start_time = INT64_MAX; - for (i=0; i<is->nb_streams; i++) { - AVStream *st = is->streams[i]; - if(st->discard == AVDISCARD_ALL || st->start_time == AV_NOPTS_VALUE) - continue; - new_start_time = FFMIN(new_start_time, av_rescale_q(st->start_time, st->time_base, AV_TIME_BASE_Q)); - } - if (new_start_time > is->start_time) { - av_log(is, AV_LOG_VERBOSE, "Correcting start time by %"PRId64"\n", new_start_time - is->start_time); - ifile->ts_offset = -new_start_time; - } - } - - stime = av_rescale_q(is->start_time, AV_TIME_BASE_Q, ist->st->time_base); - stime2= stime + (1ULL<<ist->st->pts_wrap_bits); - ist->wrap_correction_done = 1; - - if(stime2 > stime && pkt.dts != AV_NOPTS_VALUE && pkt.dts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) { - pkt.dts -= 1ULL<<ist->st->pts_wrap_bits; - ist->wrap_correction_done = 0; - } - if(stime2 > stime && pkt.pts != AV_NOPTS_VALUE && pkt.pts > stime + (1LL<<(ist->st->pts_wrap_bits-1))) { - pkt.pts -= 1ULL<<ist->st->pts_wrap_bits; - ist->wrap_correction_done = 0; - } - } - - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts += av_rescale_q(ifile->ts_offset, AV_TIME_BASE_Q, ist->st->time_base); - - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts *= ist->ts_scale; - if (pkt.dts != AV_NOPTS_VALUE) - pkt.dts *= ist->ts_scale; - - if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && - !copy_ts) { - int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q); - int64_t delta = pkt_dts - ist->next_dts; - if (is->iformat->flags & AVFMT_TS_DISCONT) { - if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE || - (delta > 1LL*dts_delta_threshold*AV_TIME_BASE && - ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) || - pkt_dts+1<ist->pts){ - ifile->ts_offset -= delta; - av_log(NULL, AV_LOG_DEBUG, - "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", - delta, ifile->ts_offset); - pkt.dts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); - if (pkt.pts != AV_NOPTS_VALUE) - pkt.pts -= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base); - } - } else { - if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || - (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) - ) { - av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index); - pkt.dts = AV_NOPTS_VALUE; - } - if (pkt.pts != AV_NOPTS_VALUE){ - int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q); - delta = pkt_pts - ist->next_dts; - if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE || - (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) - ) { - av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index); - pkt.pts = AV_NOPTS_VALUE; - } - } - } - } - - if (debug_ts) { - av_log(NULL, AV_LOG_INFO, "demuxer+ffmpeg -> ist_index:%d type:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%s off_time:%s\n", - ifile->ist_index + pkt.stream_index, av_get_media_type_string(ist->st->codec->codec_type), - av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base), - av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base), - av_ts2str(input_files[ist->file_index]->ts_offset), - av_ts2timestr(input_files[ist->file_index]->ts_offset, &AV_TIME_BASE_Q)); - } - - sub2video_heartbeat(ist, pkt.pts); - - ret = output_packet(ist, &pkt); - if (ret < 0) { - char buf[128]; - av_strerror(ret, buf, sizeof(buf)); - av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d: %s\n", - ist->file_index, ist->st->index, buf); - if (exit_on_error) - exit(1); - } - -discard_packet: - av_free_packet(&pkt); - - return 0; -} - -/** - * Perform a step of transcoding for the specified filter graph. - * - * @param[in] graph filter graph to consider - * @param[out] best_ist input stream where a frame would allow to continue - * @return 0 for success, <0 for error - */ -static int transcode_from_filter(FilterGraph *graph, InputStream **best_ist) -{ - int i, ret; - int nb_requests, nb_requests_max = 0; - InputFilter *ifilter; - InputStream *ist; - - *best_ist = NULL; - ret = avfilter_graph_request_oldest(graph->graph); - if (ret >= 0) - return reap_filters(); - - if (ret == AVERROR_EOF) { - ret = reap_filters(); - for (i = 0; i < graph->nb_outputs; i++) - close_output_stream(graph->outputs[i]->ost); - return ret; - } - if (ret != AVERROR(EAGAIN)) - return ret; - - for (i = 0; i < graph->nb_inputs; i++) { - ifilter = graph->inputs[i]; - ist = ifilter->ist; - if (input_files[ist->file_index]->eagain || - input_files[ist->file_index]->eof_reached) - continue; - nb_requests = av_buffersrc_get_nb_failed_requests(ifilter->filter); - if (nb_requests > nb_requests_max) { - nb_requests_max = nb_requests; - *best_ist = ist; - } - } - - if (!*best_ist) - for (i = 0; i < graph->nb_outputs; i++) - graph->outputs[i]->ost->unavailable = 1; - - return 0; -} - -/** - * Run a single step of transcoding. - * - * @return 0 for success, <0 for error - */ -static int transcode_step(void) -{ - OutputStream *ost; - InputStream *ist; - int ret; - - ost = choose_output(); - if (!ost) { - if (got_eagain()) { - reset_eagain(); - av_usleep(10000); - return 0; - } - av_log(NULL, AV_LOG_VERBOSE, "No more inputs to read from, finishing.\n"); - return AVERROR_EOF; - } - - if (ost->filter) { - if ((ret = transcode_from_filter(ost->filter->graph, &ist)) < 0) - return ret; - if (!ist) - return 0; - } else { - av_assert0(ost->source_index >= 0); - ist = input_streams[ost->source_index]; - } - - ret = process_input(ist->file_index); - if (ret == AVERROR(EAGAIN)) { - if (input_files[ist->file_index]->eagain) - ost->unavailable = 1; - return 0; - } - if (ret < 0) - return ret == AVERROR_EOF ? 0 : ret; - - return reap_filters(); -} - -/* - * The following code is the main loop of the file converter - */ -static int transcode(void) -{ - int ret, i; - AVFormatContext *os; - OutputStream *ost; - InputStream *ist; - int64_t timer_start; - - ret = transcode_init(); - if (ret < 0) - goto fail; - - if (stdin_interaction) { - av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n"); - } - - timer_start = av_gettime(); - -#if HAVE_PTHREADS - if ((ret = init_input_threads()) < 0) - goto fail; -#endif - - while (!received_sigterm) { - int64_t cur_time= av_gettime(); - - /* if 'q' pressed, exits */ - if (stdin_interaction) - if (check_keyboard_interaction(cur_time) < 0) - break; - - /* check if there's any stream where output is still needed */ - if (!need_output()) { - av_log(NULL, AV_LOG_VERBOSE, "No more output streams to write to, finishing.\n"); - break; - } - - ret = transcode_step(); - if (ret < 0) { - if (ret == AVERROR_EOF || ret == AVERROR(EAGAIN)) - continue; - - av_log(NULL, AV_LOG_ERROR, "Error while filtering.\n"); - break; - } - - /* dump report by using the output first video and audio streams */ - print_report(0, timer_start, cur_time); - } -#if HAVE_PTHREADS - free_input_threads(); -#endif - - /* at the end of stream, we must flush the decoder buffers */ - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (!input_files[ist->file_index]->eof_reached && ist->decoding_needed) { - output_packet(ist, NULL); - } - } - flush_encoders(); - - term_exit(); - - /* write the trailer if needed and close file */ - for (i = 0; i < nb_output_files; i++) { - os = output_files[i]->ctx; - av_write_trailer(os); - } - - /* dump report by using the first video and audio streams */ - print_report(1, timer_start, av_gettime()); - - /* close each encoder */ - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost->encoding_needed) { - av_freep(&ost->st->codec->stats_in); - avcodec_close(ost->st->codec); - } - } - - /* close each decoder */ - for (i = 0; i < nb_input_streams; i++) { - ist = input_streams[i]; - if (ist->decoding_needed) { - avcodec_close(ist->st->codec); - } - } - - /* finished ! */ - ret = 0; - - fail: -#if HAVE_PTHREADS - free_input_threads(); -#endif - - if (output_streams) { - for (i = 0; i < nb_output_streams; i++) { - ost = output_streams[i]; - if (ost) { - if (ost->stream_copy) - av_freep(&ost->st->codec->extradata); - if (ost->logfile) { - fclose(ost->logfile); - ost->logfile = NULL; - } - av_freep(&ost->st->codec->subtitle_header); - av_free(ost->forced_kf_pts); - av_dict_free(&ost->opts); - av_dict_free(&ost->swr_opts); - av_dict_free(&ost->resample_opts); - } - } - } - return ret; -} - - -static int64_t getutime(void) -{ -#if HAVE_GETRUSAGE - struct rusage rusage; - - getrusage(RUSAGE_SELF, &rusage); - return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec; -#elif HAVE_GETPROCESSTIMES - HANDLE proc; - FILETIME c, e, k, u; - proc = GetCurrentProcess(); - GetProcessTimes(proc, &c, &e, &k, &u); - return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10; -#else - return av_gettime(); -#endif -} - -static int64_t getmaxrss(void) -{ -#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS - struct rusage rusage; - getrusage(RUSAGE_SELF, &rusage); - return (int64_t)rusage.ru_maxrss * 1024; -#elif HAVE_GETPROCESSMEMORYINFO - HANDLE proc; - PROCESS_MEMORY_COUNTERS memcounters; - proc = GetCurrentProcess(); - memcounters.cb = sizeof(memcounters); - GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters)); - return memcounters.PeakPagefileUsage; -#else - return 0; -#endif -} - -static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl) -{ -} - -int main(int argc, char **argv) -{ - int ret; - int64_t ti; - - atexit(exit_program); - - setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */ - - av_log_set_flags(AV_LOG_SKIP_REPEATED); - parse_loglevel(argc, argv, options); - - if(argc>1 && !strcmp(argv[1], "-d")){ - run_as_daemon=1; - av_log_set_callback(log_callback_null); - argc--; - argv++; - } - - avcodec_register_all(); -#if CONFIG_AVDEVICE - avdevice_register_all(); -#endif - avfilter_register_all(); - av_register_all(); - avformat_network_init(); - - show_banner(argc, argv, options); - - term_init(); - - /* parse options and open all input/output files */ - ret = ffmpeg_parse_options(argc, argv); - if (ret < 0) - exit(1); - - if (nb_output_files <= 0 && nb_input_files == 0) { - show_usage(); - av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name); - exit(1); - } - - /* file converter / grab */ - if (nb_output_files <= 0) { - av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n"); - exit(1); - } - -// if (nb_input_files == 0) { -// av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n"); -// exit(1); -// } - - current_time = ti = getutime(); - if (transcode() < 0) - exit(1); - ti = getutime() - ti; - if (do_benchmark) { - printf("bench: utime=%0.3fs\n", ti / 1000000.0); - } - - exit(received_nb_signals ? 255 : 0); - return 0; -} |