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https://github.com/FFmpeg/FFmpeg.git
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ac627b3d38
* commit '716d413c13981da15323c7a3821860536eefdbbb': Replace PIX_FMT_* -> AV_PIX_FMT_*, PixelFormat -> AVPixelFormat Conflicts: doc/examples/muxing.c ffmpeg.h ffmpeg_filter.c ffmpeg_opt.c ffplay.c ffprobe.c libavcodec/8bps.c libavcodec/aasc.c libavcodec/aura.c libavcodec/avcodec.h libavcodec/avs.c libavcodec/bfi.c libavcodec/bmp.c libavcodec/bmpenc.c libavcodec/c93.c libavcodec/cscd.c libavcodec/cyuv.c libavcodec/dpx.c libavcodec/dpxenc.c libavcodec/eatgv.c libavcodec/escape124.c libavcodec/ffv1.c libavcodec/flashsv.c libavcodec/fraps.c libavcodec/h264.c libavcodec/huffyuv.c libavcodec/iff.c libavcodec/imgconvert.c libavcodec/indeo3.c libavcodec/kmvc.c libavcodec/libopenjpegdec.c libavcodec/libopenjpegenc.c libavcodec/libx264.c libavcodec/ljpegenc.c libavcodec/mjpegdec.c libavcodec/mjpegenc.c libavcodec/motionpixels.c libavcodec/mpeg12.c libavcodec/mpeg12enc.c libavcodec/mpeg4videodec.c libavcodec/mpegvideo_enc.c libavcodec/pamenc.c libavcodec/pcxenc.c libavcodec/pgssubdec.c libavcodec/pngdec.c libavcodec/pngenc.c libavcodec/pnm.c libavcodec/pnmdec.c libavcodec/pnmenc.c libavcodec/ptx.c libavcodec/qdrw.c libavcodec/qpeg.c libavcodec/qtrleenc.c libavcodec/raw.c libavcodec/rawdec.c libavcodec/rl2.c libavcodec/sgidec.c libavcodec/sgienc.c libavcodec/snowdec.c libavcodec/snowenc.c libavcodec/sunrast.c libavcodec/targa.c libavcodec/targaenc.c libavcodec/tiff.c libavcodec/tiffenc.c libavcodec/tmv.c libavcodec/truemotion2.c libavcodec/utils.c libavcodec/vb.c libavcodec/vp3.c libavcodec/wnv1.c libavcodec/xl.c libavcodec/xwddec.c libavcodec/xwdenc.c libavcodec/yop.c libavdevice/v4l2.c libavdevice/x11grab.c libavfilter/avfilter.c libavfilter/avfilter.h libavfilter/buffersrc.c libavfilter/drawutils.c libavfilter/formats.c libavfilter/src_movie.c libavfilter/vf_ass.c libavfilter/vf_drawtext.c libavfilter/vf_fade.c libavfilter/vf_format.c libavfilter/vf_hflip.c libavfilter/vf_lut.c libavfilter/vf_overlay.c libavfilter/vf_pad.c libavfilter/vf_scale.c libavfilter/vf_transpose.c libavfilter/vf_yadif.c libavfilter/video.c libavfilter/vsrc_testsrc.c libavformat/movenc.c libavformat/mxf.h libavformat/utils.c libavformat/yuv4mpeg.c libavutil/imgutils.c libavutil/pixdesc.c libswscale/input.c libswscale/output.c libswscale/swscale_internal.h libswscale/swscale_unscaled.c libswscale/utils.c libswscale/x86/swscale_template.c libswscale/x86/yuv2rgb.c libswscale/x86/yuv2rgb_template.c libswscale/yuv2rgb.c Merged-by: Michael Niedermayer <michaelni@gmx.at>
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/*
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* Adobe Filmstrip muxer
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* Copyright (c) 2010 Peter Ross
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Adobe Filmstrip muxer
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*/
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#include "libavutil/intreadwrite.h"
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#include "avformat.h"
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#define RAND_TAG MKBETAG('R','a','n','d')
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typedef struct {
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int nb_frames;
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} FilmstripMuxContext;
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static int write_header(AVFormatContext *s)
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{
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if (s->streams[0]->codec->pix_fmt != AV_PIX_FMT_RGBA) {
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av_log(s, AV_LOG_ERROR, "only AV_PIX_FMT_RGBA is supported\n");
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return AVERROR_INVALIDDATA;
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}
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return 0;
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}
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static int write_packet(AVFormatContext *s, AVPacket *pkt)
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{
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FilmstripMuxContext *film = s->priv_data;
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avio_write(s->pb, pkt->data, pkt->size);
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film->nb_frames++;
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return 0;
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}
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static int write_trailer(AVFormatContext *s)
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{
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FilmstripMuxContext *film = s->priv_data;
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AVIOContext *pb = s->pb;
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AVStream *st = s->streams[0];
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int i;
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avio_wb32(pb, RAND_TAG);
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avio_wb32(pb, film->nb_frames);
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avio_wb16(pb, 0); // packing method
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avio_wb16(pb, 0); // reserved
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avio_wb16(pb, st->codec->width);
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avio_wb16(pb, st->codec->height);
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avio_wb16(pb, 0); // leading
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avio_wb16(pb, 1/av_q2d(st->codec->time_base));
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for (i = 0; i < 16; i++)
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avio_w8(pb, 0x00); // reserved
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return 0;
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}
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AVOutputFormat ff_filmstrip_muxer = {
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.name = "filmstrip",
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.long_name = NULL_IF_CONFIG_SMALL("Adobe Filmstrip"),
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.extensions = "flm",
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.priv_data_size = sizeof(FilmstripMuxContext),
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.audio_codec = AV_CODEC_ID_NONE,
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.video_codec = AV_CODEC_ID_RAWVIDEO,
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.write_header = write_header,
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.write_packet = write_packet,
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.write_trailer = write_trailer,
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};
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