diff options
Diffstat (limited to 'ffmpeg1/libavformat/img2enc.c')
| -rw-r--r-- | ffmpeg1/libavformat/img2enc.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/ffmpeg1/libavformat/img2enc.c b/ffmpeg1/libavformat/img2enc.c deleted file mode 100644 index 67b5819..0000000 --- a/ffmpeg1/libavformat/img2enc.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Image format - * Copyright (c) 2000, 2001, 2002 Fabrice Bellard - * Copyright (c) 2004 Michael Niedermayer - * - * 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 - */ - -#include "libavutil/intreadwrite.h" -#include "libavutil/avstring.h" -#include "libavutil/log.h" -#include "libavutil/opt.h" -#include "libavutil/pixdesc.h" -#include "avformat.h" -#include "avio_internal.h" -#include "internal.h" -#include "libavutil/opt.h" - -typedef struct { - const AVClass *class; /**< Class for private options. */ - int img_number; - int is_pipe; - int split_planes; /**< use independent file for each Y, U, V plane */ - char path[1024]; - int updatefirst; -} VideoMuxData; - -static int write_header(AVFormatContext *s) -{ - VideoMuxData *img = s->priv_data; - AVStream *st = s->streams[0]; - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(st->codec->pix_fmt); - const char *str; - - av_strlcpy(img->path, s->filename, sizeof(img->path)); - - /* find format */ - if (s->oformat->flags & AVFMT_NOFILE) - img->is_pipe = 0; - else - img->is_pipe = 1; - - str = strrchr(img->path, '.'); - img->split_planes = str - && !av_strcasecmp(str + 1, "y") - && s->nb_streams == 1 - && st->codec->codec_id == AV_CODEC_ID_RAWVIDEO - && desc - &&(desc->flags & PIX_FMT_PLANAR) - && desc->nb_components >= 3; - return 0; -} - -static int write_packet(AVFormatContext *s, AVPacket *pkt) -{ - VideoMuxData *img = s->priv_data; - AVIOContext *pb[4]; - char filename[1024]; - AVCodecContext *codec = s->streams[pkt->stream_index]->codec; - const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(codec->pix_fmt); - int i; - - if (!img->is_pipe) { - if (av_get_frame_filename(filename, sizeof(filename), - img->path, img->img_number) < 0 && img->img_number > 1 && !img->updatefirst) { - av_log(s, AV_LOG_ERROR, - "Could not get frame filename number %d from pattern '%s' (either set updatefirst or use a pattern like %%03d within the filename pattern)\n", - img->img_number, img->path); - return AVERROR(EINVAL); - } - for (i = 0; i < 4; i++) { - if (avio_open2(&pb[i], filename, AVIO_FLAG_WRITE, - &s->interrupt_callback, NULL) < 0) { - av_log(s, AV_LOG_ERROR, "Could not open file : %s\n", filename); - return AVERROR(EIO); - } - - if (!img->split_planes || i+1 >= desc->nb_components) - break; - filename[strlen(filename) - 1] = ((int[]){'U','V','A','x'})[i]; - } - } else { - pb[0] = s->pb; - } - - if (img->split_planes) { - int ysize = codec->width * codec->height; - int usize = ((-codec->width)>>desc->log2_chroma_w) * ((-codec->height)>>desc->log2_chroma_h); - if (desc->comp[0].depth_minus1 >= 8) { - ysize *= 2; - usize *= 2; - } - avio_write(pb[0], pkt->data , ysize); - avio_write(pb[1], pkt->data + ysize , usize); - avio_write(pb[2], pkt->data + ysize + usize, usize); - avio_close(pb[1]); - avio_close(pb[2]); - if (desc->nb_components > 3) { - avio_write(pb[3], pkt->data + ysize + 2*usize, ysize); - avio_close(pb[3]); - } - } else { - avio_write(pb[0], pkt->data, pkt->size); - } - avio_flush(pb[0]); - if (!img->is_pipe) { - avio_close(pb[0]); - } - - img->img_number++; - return 0; -} - -#define OFFSET(x) offsetof(VideoMuxData, x) -#define ENC AV_OPT_FLAG_ENCODING_PARAM -static const AVOption muxoptions[] = { - { "updatefirst", "update the first image file", OFFSET(updatefirst), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC }, - { "start_number", "set first number in the sequence", OFFSET(img_number), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, INT_MAX, ENC }, - { NULL }, -}; - -#if CONFIG_IMAGE2_MUXER -static const AVClass img2mux_class = { - .class_name = "image2 muxer", - .item_name = av_default_item_name, - .option = muxoptions, - .version = LIBAVUTIL_VERSION_INT, -}; - -AVOutputFormat ff_image2_muxer = { - .name = "image2", - .long_name = NULL_IF_CONFIG_SMALL("image2 sequence"), - .extensions = "bmp,dpx,jls,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png," - "ppm,sgi,tga,tif,tiff,jp2,j2c,xwd,sun,ras,rs,im1,im8,im24," - "sunras,xbm,xface", - .priv_data_size = sizeof(VideoMuxData), - .video_codec = AV_CODEC_ID_MJPEG, - .write_header = write_header, - .write_packet = write_packet, - .flags = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS | AVFMT_NOFILE, - .priv_class = &img2mux_class, -}; -#endif -#if CONFIG_IMAGE2PIPE_MUXER -AVOutputFormat ff_image2pipe_muxer = { - .name = "image2pipe", - .long_name = NULL_IF_CONFIG_SMALL("piped image2 sequence"), - .priv_data_size = sizeof(VideoMuxData), - .video_codec = AV_CODEC_ID_MJPEG, - .write_header = write_header, - .write_packet = write_packet, - .flags = AVFMT_NOTIMESTAMPS | AVFMT_NODIMENSIONS -}; -#endif |