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Diffstat (limited to 'ffmpeg/libavformat/img2enc.c')
-rw-r--r--ffmpeg/libavformat/img2enc.c216
1 files changed, 0 insertions, 216 deletions
diff --git a/ffmpeg/libavformat/img2enc.c b/ffmpeg/libavformat/img2enc.c
deleted file mode 100644
index f61b0ca..0000000
--- a/ffmpeg/libavformat/img2enc.c
+++ /dev/null
@@ -1,216 +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/avassert.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"
-
-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 update;
- int use_strftime;
- const char *muxer;
-} 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);
-
- 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;
-
- if (st->codec->codec_id == AV_CODEC_ID_GIF) {
- img->muxer = "gif";
- } else if (st->codec->codec_id == AV_CODEC_ID_RAWVIDEO) {
- const char *str = strrchr(img->path, '.');
- img->split_planes = str
- && !av_strcasecmp(str + 1, "y")
- && s->nb_streams == 1
- && desc
- &&(desc->flags & AV_PIX_FMT_FLAG_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 (img->update) {
- av_strlcpy(filename, img->path, sizeof(filename));
- } else if (img->use_strftime) {
- time_t now0;
- struct tm *tm;
- time(&now0);
- tm = localtime(&now0);
- if (!strftime(filename, sizeof(filename), img->path, tm)) {
- av_log(s, AV_LOG_ERROR, "Could not get frame filename with strftime\n");
- return AVERROR(EINVAL);
- }
- } else if (av_get_frame_filename(filename, sizeof(filename), img->path, img->img_number) < 0 &&
- img->img_number > 1) {
- 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] = "UVAx"[i];
- }
- } else {
- pb[0] = s->pb;
- }
-
- if (img->split_planes) {
- int ysize = codec->width * codec->height;
- int usize = FF_CEIL_RSHIFT(codec->width, desc->log2_chroma_w) * FF_CEIL_RSHIFT(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 if (img->muxer) {
- int ret;
- AVStream *st;
- AVPacket pkt2 = {0};
- AVFormatContext *fmt = NULL;
-
- av_assert0(!img->split_planes);
-
- ret = avformat_alloc_output_context2(&fmt, NULL, img->muxer, s->filename);
- if (ret < 0)
- return ret;
- st = avformat_new_stream(fmt, NULL);
- if (!st) {
- avformat_free_context(fmt);
- return AVERROR(ENOMEM);
- }
- st->id = pkt->stream_index;
-
- fmt->pb = pb[0];
- if ((ret = av_copy_packet(&pkt2, pkt)) < 0 ||
- (ret = av_dup_packet(&pkt2)) < 0 ||
- (ret = avcodec_copy_context(st->codec, s->streams[0]->codec)) < 0 ||
- (ret = avformat_write_header(fmt, NULL)) < 0 ||
- (ret = av_interleaved_write_frame(fmt, &pkt2)) < 0 ||
- (ret = av_write_trailer(fmt)) < 0) {
- av_free_packet(&pkt2);
- avformat_free_context(fmt);
- return ret;
- }
- av_free_packet(&pkt2);
- avformat_free_context(fmt);
- } 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", "continuously overwrite one file", OFFSET(update), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, ENC },
- { "update", "continuously overwrite one file", OFFSET(update), 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 }, 0, INT_MAX, ENC },
- { "strftime", "use strftime for filename", OFFSET(use_strftime), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, 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,j2k,xwd,sun,ras,rs,im1,im8,im24,"
- "sunras,webp,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
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