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authorMax Krummenacher <max.krummenacher@toradex.com>2019-01-07 19:21:07 +0100
committerMax Krummenacher <max.krummenacher@toradex.com>2020-06-09 16:50:40 +0200
commitc73893a3377ebb557b0fb41f75b26dff40da4442 (patch)
treed41a25f36d156354e69c0273490d719f5449e94b /recipes-support/opencv/opencv/0001-cap_ffmpeg-drop-support-for-very-old-libav-versions.patch
parentdabc75f797a1c54c4a9ceb12efd2b41a410b098b (diff)
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com> (cherry picked from commit d6d84e0cc4cd661d2c7fc1f8c6f4e65f7cea43ef)
Diffstat (limited to 'recipes-support/opencv/opencv/0001-cap_ffmpeg-drop-support-for-very-old-libav-versions.patch')
-rw-r--r--recipes-support/opencv/opencv/0001-cap_ffmpeg-drop-support-for-very-old-libav-versions.patch725
1 files changed, 0 insertions, 725 deletions
diff --git a/recipes-support/opencv/opencv/0001-cap_ffmpeg-drop-support-for-very-old-libav-versions.patch b/recipes-support/opencv/opencv/0001-cap_ffmpeg-drop-support-for-very-old-libav-versions.patch
deleted file mode 100644
index ab3bdb5..0000000
--- a/recipes-support/opencv/opencv/0001-cap_ffmpeg-drop-support-for-very-old-libav-versions.patch
+++ /dev/null
@@ -1,725 +0,0 @@
-From cec2fadb85c35f1e9405c7f118b482f8ed2b8c07 Mon Sep 17 00:00:00 2001
-From: Anton Khirnov <anton@khirnov.net>
-Date: Thu, 6 Feb 2014 09:28:07 +0100
-Subject: [PATCH 1/5] cap_ffmpeg: drop support for very old libav* versions
-
-All relevant distros now ship the equivalent of Libav 0.8 or newer, so
-drop support for everything older as it is a maintenance burden.
-
-(cherry picked from commit 39f27edf24c90cbb811c1795524da1f1e159792e)
-
-Conflicts:
- modules/highgui/src/cap_ffmpeg_impl.hpp
----
- modules/highgui/src/cap_ffmpeg_impl.hpp | 294 +++-----------------------------
- 1 file changed, 27 insertions(+), 267 deletions(-)
-
-diff --git a/modules/highgui/src/cap_ffmpeg_impl.hpp b/modules/highgui/src/cap_ffmpeg_impl.hpp
-index e7a48d5..90fe428 100644
---- a/modules/highgui/src/cap_ffmpeg_impl.hpp
-+++ b/modules/highgui/src/cap_ffmpeg_impl.hpp
-@@ -61,6 +61,8 @@ extern "C" {
-
- #include <libavutil/mathematics.h>
-
-+#include <libavutil/opt.h>
-+
- #ifdef WIN32
- #define HAVE_FFMPEG_SWSCALE 1
- #include <libavcodec/avcodec.h>
-@@ -144,10 +146,6 @@ extern "C" {
- #define AV_NOPTS_VALUE_ ((int64_t)AV_NOPTS_VALUE)
- #endif
-
--#ifndef AVERROR_EOF
--#define AVERROR_EOF (-MKTAG( 'E','O','F',' '))
--#endif
--
- #if LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(54,25,0)
- # define CV_CODEC_ID AVCodecID
- # define CV_CODEC(name) AV_##name
-@@ -158,9 +156,7 @@ extern "C" {
-
- static int get_number_of_cpus(void)
- {
--#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(52, 111, 0)
-- return 1;
--#elif defined WIN32 || defined _WIN32
-+#if defined WIN32 || defined _WIN32
- SYSTEM_INFO sysinfo;
- GetSystemInfo( &sysinfo );
-
-@@ -312,25 +308,13 @@ void CvCapture_FFMPEG::close()
-
- if( video_st )
- {
--#if LIBAVFORMAT_BUILD > 4628
- avcodec_close( video_st->codec );
--
--#else
-- avcodec_close( &(video_st->codec) );
--
--#endif
- video_st = NULL;
- }
-
- if( ic )
- {
--#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 24, 2)
-- av_close_input_file(ic);
--#else
- avformat_close_input(&ic);
--#endif
--
-- ic = NULL;
- }
-
- if( rgb_picture.data[0] )
-@@ -523,9 +507,7 @@ public:
- _mutex.lock();
- if (!_initialized)
- {
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 13, 0)
- avformat_network_init();
-- #endif
-
- /* register all codecs, demux and protocols */
- av_register_all();
-@@ -556,12 +538,8 @@ bool CvCapture_FFMPEG::open( const char* _filename )
-
- close();
-
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)
- av_dict_set(&dict, "rtsp_transport", "tcp", 0);
- int err = avformat_open_input(&ic, _filename, NULL, &dict);
--#else
-- int err = av_open_input_file(&ic, _filename, NULL, 0, NULL);
--#endif
-
- if (err < 0)
- {
-@@ -569,11 +547,7 @@ bool CvCapture_FFMPEG::open( const char* _filename )
- goto exit_func;
- }
- err =
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 6, 0)
- avformat_find_stream_info(ic, NULL);
--#else
-- av_find_stream_info(ic);
--#endif
- if (err < 0)
- {
- CV_WARN("Could not find codec parameters");
-@@ -581,11 +555,7 @@ bool CvCapture_FFMPEG::open( const char* _filename )
- }
- for(i = 0; i < ic->nb_streams; i++)
- {
--#if LIBAVFORMAT_BUILD > 4628
- AVCodecContext *enc = ic->streams[i]->codec;
--#else
-- AVCodecContext *enc = &ic->streams[i]->codec;
--#endif
-
- //#ifdef FF_API_THREAD_INIT
- // avcodec_thread_init(enc, get_number_of_cpus());
-@@ -593,10 +563,6 @@ bool CvCapture_FFMPEG::open( const char* _filename )
- enc->thread_count = get_number_of_cpus();
- //#endif
-
--#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
--#define AVMEDIA_TYPE_VIDEO CODEC_TYPE_VIDEO
--#endif
--
- if( AVMEDIA_TYPE_VIDEO == enc->codec_type && video_stream < 0)
- {
- // backup encoder' width/height
-@@ -604,13 +570,7 @@ bool CvCapture_FFMPEG::open( const char* _filename )
- int enc_height = enc->height;
-
- AVCodec *codec = avcodec_find_decoder(enc->codec_id);
-- if (!codec ||
--#if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
-- avcodec_open2(enc, codec, NULL)
--#else
-- avcodec_open(enc, codec)
--#endif
-- < 0)
-+ if (!codec || avcodec_open2(enc, codec, NULL) < 0)
- goto exit_func;
-
- // checking width/height (since decoder can sometimes alter it, eg. vp6f)
-@@ -683,17 +643,7 @@ bool CvCapture_FFMPEG::grabFrame()
- }
-
- // Decode video frame
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
- avcodec_decode_video2(video_st->codec, picture, &got_picture, &packet);
-- #elif LIBAVFORMAT_BUILD > 4628
-- avcodec_decode_video(video_st->codec,
-- picture, &got_picture,
-- packet.data, packet.size);
-- #else
-- avcodec_decode_video(&video_st->codec,
-- picture, &got_picture,
-- packet.data, packet.size);
-- #endif
-
- // Did we get a video frame?
- if(got_picture)
-@@ -792,18 +742,9 @@ double CvCapture_FFMPEG::getProperty( int property_id )
- case CV_FFMPEG_CAP_PROP_FRAME_HEIGHT:
- return (double)frame.height;
- case CV_FFMPEG_CAP_PROP_FPS:
--#if LIBAVCODEC_BUILD > 4753
- return av_q2d(video_st->r_frame_rate);
--#else
-- return (double)video_st->codec.frame_rate
-- / (double)video_st->codec.frame_rate_base;
--#endif
- case CV_FFMPEG_CAP_PROP_FOURCC:
--#if LIBAVFORMAT_BUILD > 4628
- return (double)video_st->codec->codec_tag;
--#else
-- return (double)video_st->codec.codec_tag;
--#endif
- default:
- break;
- }
-@@ -842,12 +783,10 @@ double CvCapture_FFMPEG::get_fps()
- {
- double fps = r2d(ic->streams[video_stream]->r_frame_rate);
-
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)
- if (fps < eps_zero)
- {
- fps = r2d(ic->streams[video_stream]->avg_frame_rate);
- }
--#endif
-
- if (fps < eps_zero)
- {
-@@ -1007,7 +946,6 @@ struct CvVideoWriter_FFMPEG
-
- static const char * icvFFMPEGErrStr(int err)
- {
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
- switch(err) {
- case AVERROR_BSF_NOT_FOUND:
- return "Bitstream filter not found";
-@@ -1038,22 +976,6 @@ static const char * icvFFMPEGErrStr(int err)
- default:
- break;
- }
--#else
-- switch(err) {
-- case AVERROR_NUMEXPECTED:
-- return "Incorrect filename syntax";
-- case AVERROR_INVALIDDATA:
-- return "Invalid data in header";
-- case AVERROR_NOFMT:
-- return "Unknown format";
-- case AVERROR_IO:
-- return "I/O error occurred";
-- case AVERROR_NOMEM:
-- return "Memory allocation error";
-- default:
-- break;
-- }
--#endif
-
- return "Unspecified error";
- }
-@@ -1121,28 +1043,16 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
- int frame_rate, frame_rate_base;
- AVCodec *codec;
-
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 10, 0)
- st = avformat_new_stream(oc, 0);
--#else
-- st = av_new_stream(oc, 0);
--#endif
-
- if (!st) {
- CV_WARN("Could not allocate stream");
- return NULL;
- }
-
--#if LIBAVFORMAT_BUILD > 4628
- c = st->codec;
--#else
-- c = &(st->codec);
--#endif
-
--#if LIBAVFORMAT_BUILD > 4621
- c->codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
--#else
-- c->codec_id = oc->oformat->video_codec;
--#endif
-
- if(codec_id != CV_CODEC(CODEC_ID_NONE)){
- c->codec_id = codec_id;
-@@ -1177,7 +1087,6 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
- frame_rate_base*=10;
- frame_rate=(int)(fps*frame_rate_base + 0.5);
- }
--#if LIBAVFORMAT_BUILD > 4752
- c->time_base.den = frame_rate;
- c->time_base.num = frame_rate_base;
- /* adjust time base for supported framerates */
-@@ -1197,10 +1106,6 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
- c->time_base.den= best->num;
- c->time_base.num= best->den;
- }
--#else
-- c->frame_rate = frame_rate;
-- c->frame_rate_base = frame_rate_base;
--#endif
-
- c->gop_size = 12; /* emit one intra frame every twelve frames at most */
- c->pix_fmt = (PixelFormat) pixel_format;
-@@ -1215,13 +1120,25 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
- /* avoid FFMPEG warning 'clipping 1 dct coefficients...' */
- c->mb_decision=2;
- }
--#if LIBAVCODEC_VERSION_INT>0x000409
-+
-+#if LIBAVUTIL_BUILD > CALC_FFMPEG_VERSION(51,11,0)
-+ /* Some settings for libx264 encoding, restore dummy values for gop_size
-+ and qmin since they will be set to reasonable defaults by the libx264
-+ preset system. Also, use a crf encode with the default quality rating,
-+ this seems easier than finding an appropriate default bitrate. */
-+ if (c->codec_id == CODEC_ID_H264) {
-+ c->gop_size = -1;
-+ c->qmin = -1;
-+ c->bit_rate = 0;
-+ av_opt_set(c->priv_data,"crf","23", 0);
-+ }
-+#endif
-+
- // some formats want stream headers to be seperate
- if(oc->oformat->flags & AVFMT_GLOBALHEADER)
- {
- c->flags |= CODEC_FLAG_GLOBAL_HEADER;
- }
--#endif
-
- return st;
- }
-@@ -1230,11 +1147,7 @@ static const int OPENCV_NO_FRAMES_WRITTEN_CODE = 1000;
-
- static int icv_av_write_frame_FFMPEG( AVFormatContext * oc, AVStream * video_st, uint8_t * outbuf, uint32_t outbuf_size, AVFrame * picture )
- {
--#if LIBAVFORMAT_BUILD > 4628
- AVCodecContext * c = video_st->codec;
--#else
-- AVCodecContext * c = &(video_st->codec);
--#endif
- int out_size;
- int ret = 0;
-
-@@ -1262,12 +1175,8 @@ static int icv_av_write_frame_FFMPEG( AVFormatContext * oc, AVStream * video_st,
- AVPacket pkt;
- av_init_packet(&pkt);
-
--#if LIBAVFORMAT_BUILD > 4752
- if(c->coded_frame->pts != (int64_t)AV_NOPTS_VALUE)
- pkt.pts = av_rescale_q(c->coded_frame->pts, c->time_base, video_st->time_base);
--#else
-- pkt.pts = c->coded_frame->pts;
--#endif
- if(c->coded_frame->key_frame)
- pkt.flags |= PKT_FLAG_KEY;
- pkt.stream_index= video_st->index;
-@@ -1294,30 +1203,8 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
- height = frame_height;
-
- // typecast from opaque data type to implemented struct
--#if LIBAVFORMAT_BUILD > 4628
- AVCodecContext *c = video_st->codec;
--#else
-- AVCodecContext *c = &(video_st->codec);
--#endif
-
--#if LIBAVFORMAT_BUILD < 5231
-- // It is not needed in the latest versions of the ffmpeg
-- if( c->codec_id == CV_CODEC(CODEC_ID_RAWVIDEO) && origin != 1 )
-- {
-- if( !temp_image.data )
-- {
-- temp_image.step = (width*cn + 3) & -4;
-- temp_image.width = width;
-- temp_image.height = height;
-- temp_image.cn = cn;
-- temp_image.data = (unsigned char*)malloc(temp_image.step*temp_image.height);
-- }
-- for( int y = 0; y < height; y++ )
-- memcpy(temp_image.data + y*temp_image.step, data + (height-1-y)*step, width*cn);
-- data = temp_image.data;
-- step = temp_image.step;
-- }
--#else
- if( width*cn != step )
- {
- if( !temp_image.data )
-@@ -1337,7 +1224,6 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
- data = temp_image.data;
- step = temp_image.step;
- }
--#endif
-
- // check parameters
- if (input_pix_fmt == PIX_FMT_BGR24) {
-@@ -1424,11 +1310,7 @@ void CvVideoWriter_FFMPEG::close()
- }
-
- // free pictures
--#if LIBAVFORMAT_BUILD > 4628
- if( video_st->codec->pix_fmt != input_pix_fmt)
--#else
-- if( video_st->codec.pix_fmt != input_pix_fmt)
--#endif
- {
- if(picture->data[0])
- free(picture->data[0]);
-@@ -1440,11 +1322,7 @@ void CvVideoWriter_FFMPEG::close()
- av_free(input_picture);
-
- /* close codec */
--#if LIBAVFORMAT_BUILD > 4628
- avcodec_close(video_st->codec);
--#else
-- avcodec_close(&(video_st->codec));
--#endif
-
- av_free(outbuf);
-
-@@ -1452,15 +1330,7 @@ void CvVideoWriter_FFMPEG::close()
- {
- /* close the output file */
-
--#if LIBAVCODEC_VERSION_INT < ((52<<16)+(123<<8)+0)
--#if LIBAVCODEC_VERSION_INT >= ((51<<16)+(49<<8)+0)
-- url_fclose(oc->pb);
--#else
-- url_fclose(&oc->pb);
--#endif
--#else
- avio_close(oc->pb);
--#endif
-
- }
-
-@@ -1502,11 +1372,7 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
-
- /* auto detect the output format from the name and fourcc code. */
-
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
- fmt = av_guess_format(NULL, filename, NULL);
--#else
-- fmt = guess_format(NULL, filename, NULL);
--#endif
-
- if (!fmt)
- return false;
-@@ -1520,21 +1386,12 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- }
-
- /* Lookup codec_id for given fourcc */
--#if LIBAVCODEC_VERSION_INT<((51<<16)+(49<<8)+0)
-- if( (codec_id = codec_get_bmp_id( fourcc )) == CV_CODEC(CODEC_ID_NONE) )
-- return false;
--#else
- const struct AVCodecTag * tags[] = { codec_bmp_tags, NULL};
- if( (codec_id = av_codec_get_id(tags, fourcc)) == CV_CODEC(CODEC_ID_NONE) )
- return false;
--#endif
-
- // alloc memory for context
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
- oc = avformat_alloc_context();
--#else
-- oc = av_alloc_format_context();
--#endif
- assert (oc);
-
- /* set file name */
-@@ -1546,12 +1403,10 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
-
- // set a few optimal pixel formats for lossless codecs of interest..
- switch (codec_id) {
--#if LIBAVCODEC_VERSION_INT>((50<<16)+(1<<8)+0)
- case CV_CODEC(CODEC_ID_JPEGLS):
- // BGR24 or GRAY8 depending on is_color...
- codec_pix_fmt = input_pix_fmt;
- break;
--#endif
- case CV_CODEC(CODEC_ID_HUFFYUV):
- codec_pix_fmt = PIX_FMT_YUV422P;
- break;
-@@ -1578,14 +1433,6 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- width, height, (int)(bitrate + 0.5),
- fps, codec_pix_fmt);
-
-- /* set the output parameters (must be done even if no
-- parameters). */
--#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
-- if (av_set_parameters(oc, NULL) < 0) {
-- return false;
-- }
--#endif
--
- #if 0
- #if FF_API_DUMP_FORMAT
- dump_format(oc, 0, filename, 1);
-@@ -1603,23 +1450,14 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- AVCodec *codec;
- AVCodecContext *c;
-
--#if LIBAVFORMAT_BUILD > 4628
- c = (video_st->codec);
--#else
-- c = &(video_st->codec);
--#endif
-
- c->codec_tag = fourcc;
- /* find the video encoder */
- codec = avcodec_find_encoder(c->codec_id);
- if (!codec) {
- fprintf(stderr, "Could not find encoder for codec id %d: %s", c->codec_id, icvFFMPEGErrStr(
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
-- AVERROR_ENCODER_NOT_FOUND
-- #else
-- -1
-- #endif
-- ));
-+ AVERROR_ENCODER_NOT_FOUND));
- return false;
- }
-
-@@ -1630,13 +1468,7 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- c->bit_rate = (int)lbit_rate;
-
- /* open the codec */
-- if ((err=
--#if LIBAVCODEC_VERSION_INT >= ((53<<16)+(8<<8)+0)
-- avcodec_open2(c, codec, NULL)
--#else
-- avcodec_open(c, codec)
--#endif
-- ) < 0) {
-+ if ((err = avcodec_open2(c, codec, NULL)) < 0) {
- fprintf(stderr, "Could not open codec '%s': %s", codec->name, icvFFMPEGErrStr(err));
- return false;
- }
-@@ -1672,22 +1504,14 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
-
- /* open the output file, if needed */
- if (!(fmt->flags & AVFMT_NOFILE)) {
--#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
-- if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0)
--#else
- if (avio_open(&oc->pb, filename, AVIO_FLAG_WRITE) < 0)
--#endif
- {
- return false;
- }
- }
-
--#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)
- /* write the stream header, if any */
- err=avformat_write_header(oc, NULL);
--#else
-- err=av_write_header( oc );
--#endif
-
- if(err < 0)
- {
-@@ -1822,15 +1646,7 @@ void OutputMediaStream_FFMPEG::close()
- {
- // close the output file
-
-- #if LIBAVCODEC_VERSION_INT < ((52<<16)+(123<<8)+0)
-- #if LIBAVCODEC_VERSION_INT >= ((51<<16)+(49<<8)+0)
-- url_fclose(oc_->pb);
-- #else
-- url_fclose(&oc_->pb);
-- #endif
-- #else
-- avio_close(oc_->pb);
-- #endif
-+ avio_close(oc_->pb);
- }
-
- // free the stream
-@@ -1840,19 +1656,11 @@ void OutputMediaStream_FFMPEG::close()
-
- AVStream* OutputMediaStream_FFMPEG::addVideoStream(AVFormatContext *oc, CV_CODEC_ID codec_id, int w, int h, int bitrate, double fps, PixelFormat pixel_format)
- {
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 10, 0)
- AVStream* st = avformat_new_stream(oc, 0);
-- #else
-- AVStream* st = av_new_stream(oc, 0);
-- #endif
- if (!st)
- return 0;
-
-- #if LIBAVFORMAT_BUILD > 4628
- AVCodecContext* c = st->codec;
-- #else
-- AVCodecContext* c = &(st->codec);
-- #endif
-
- c->codec_id = codec_id;
- c->codec_type = AVMEDIA_TYPE_VIDEO;
-@@ -1888,7 +1696,6 @@ AVStream* OutputMediaStream_FFMPEG::addVideoStream(AVFormatContext *oc, CV_CODEC
- c->time_base.den = frame_rate;
- c->time_base.num = frame_rate_base;
-
-- #if LIBAVFORMAT_BUILD > 4752
- // adjust time base for supported framerates
- if (codec && codec->supported_framerates)
- {
-@@ -1913,7 +1720,6 @@ AVStream* OutputMediaStream_FFMPEG::addVideoStream(AVFormatContext *oc, CV_CODEC
- c->time_base.den= best->num;
- c->time_base.num= best->den;
- }
-- #endif
-
- c->gop_size = 12; // emit one intra frame every twelve frames at most
- c->pix_fmt = pixel_format;
-@@ -1932,13 +1738,11 @@ AVStream* OutputMediaStream_FFMPEG::addVideoStream(AVFormatContext *oc, CV_CODEC
- c->mb_decision = 2;
- }
-
-- #if LIBAVCODEC_VERSION_INT > 0x000409
- // some formats want stream headers to be seperate
- if (oc->oformat->flags & AVFMT_GLOBALHEADER)
- {
- c->flags |= CODEC_FLAG_GLOBAL_HEADER;
- }
-- #endif
-
- return st;
- }
-@@ -1950,22 +1754,14 @@ bool OutputMediaStream_FFMPEG::open(const char* fileName, int width, int height,
- video_st_ = 0;
-
- // auto detect the output format from the name and fourcc code
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
- fmt_ = av_guess_format(NULL, fileName, NULL);
-- #else
-- fmt_ = guess_format(NULL, fileName, NULL);
-- #endif
- if (!fmt_)
- return false;
-
- CV_CODEC_ID codec_id = CV_CODEC(CODEC_ID_H264);
-
- // alloc memory for context
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 2, 0)
- oc_ = avformat_alloc_context();
-- #else
-- oc_ = av_alloc_format_context();
-- #endif
- if (!oc_)
- return false;
-
-@@ -1984,20 +1780,10 @@ bool OutputMediaStream_FFMPEG::open(const char* fileName, int width, int height,
- if (!video_st_)
- return false;
-
-- // set the output parameters (must be done even if no parameters)
-- #if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
-- if (av_set_parameters(oc_, NULL) < 0)
-- return false;
-- #endif
--
- // now that all the parameters are set, we can open the audio and
- // video codecs and allocate the necessary encode buffers
-
-- #if LIBAVFORMAT_BUILD > 4628
- AVCodecContext* c = (video_st_->codec);
-- #else
-- AVCodecContext* c = &(video_st_->codec);
-- #endif
-
- c->codec_tag = MKTAG('H', '2', '6', '4');
- c->bit_rate_tolerance = c->bit_rate;
-@@ -2005,22 +1791,14 @@ bool OutputMediaStream_FFMPEG::open(const char* fileName, int width, int height,
- // open the output file, if needed
- if (!(fmt_->flags & AVFMT_NOFILE))
- {
-- #if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
-- int err = url_fopen(&oc_->pb, fileName, URL_WRONLY);
-- #else
-- int err = avio_open(&oc_->pb, fileName, AVIO_FLAG_WRITE);
-- #endif
-+ int err = avio_open(&oc_->pb, fileName, AVIO_FLAG_WRITE);
-
- if (err != 0)
- return false;
- }
-
- // write the stream header, if any
-- #if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(53, 2, 0)
-- av_write_header(oc_);
-- #else
-- avformat_write_header(oc_, NULL);
-- #endif
-+ avformat_write_header(oc_, NULL);
-
- return true;
- }
-@@ -2125,33 +1903,19 @@ bool InputMediaStream_FFMPEG::open(const char* fileName, int* codec, int* chroma
- video_stream_id_ = -1;
- memset(&pkt_, 0, sizeof(AVPacket));
-
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 13, 0)
-- avformat_network_init();
-- #endif
-+ avformat_network_init();
-
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 6, 0)
-- err = avformat_open_input(&ctx_, fileName, 0, 0);
-- #else
-- err = av_open_input_file(&ctx_, fileName, 0, 0, 0);
-- #endif
-+ err = avformat_open_input(&ctx_, fileName, 0, 0);
- if (err < 0)
- return false;
-
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 6, 0)
-- err = avformat_find_stream_info(ctx_, 0);
-- #else
-- err = av_find_stream_info(ctx_);
-- #endif
-+ err = avformat_find_stream_info(ctx_, 0);
- if (err < 0)
- return false;
-
- for (unsigned int i = 0; i < ctx_->nb_streams; ++i)
- {
-- #if LIBAVFORMAT_BUILD > 4628
- AVCodecContext *enc = ctx_->streams[i]->codec;
-- #else
-- AVCodecContext *enc = &ctx_->streams[i]->codec;
-- #endif
-
- if (enc->codec_type == AVMEDIA_TYPE_VIDEO)
- {
-@@ -2220,11 +1984,7 @@ void InputMediaStream_FFMPEG::close()
- {
- if (ctx_)
- {
-- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 24, 2)
-- avformat_close_input(&ctx_);
-- #else
-- av_close_input_file(ctx_);
-- #endif
-+ avformat_close_input(&ctx_);
- }
-
- // free last packet if exist
---
-1.9.3
-