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-rw-r--r--community/opencv/ffmpeg5.patch1002
1 files changed, 0 insertions, 1002 deletions
diff --git a/community/opencv/ffmpeg5.patch b/community/opencv/ffmpeg5.patch
deleted file mode 100644
index 890473ae58d..00000000000
--- a/community/opencv/ffmpeg5.patch
+++ /dev/null
@@ -1,1002 +0,0 @@
-Patch-Source: https://github.com/opencv/opencv/pull/21754
-From 5440fd6cb43ea65a056c46b691fcdab1a425e92d Mon Sep 17 00:00:00 2001
-From: Maksim Shabunin <maksim.shabunin@gmail.com>
-Date: Sat, 19 Mar 2022 20:06:50 +0300
-Subject: [PATCH] videoio: initial FFmpeg 5.0 support
-
----
- modules/videoio/src/cap_ffmpeg_impl.hpp | 442 ++++++++++++++++--------
- 1 file changed, 304 insertions(+), 138 deletions(-)
-
-diff --git a/modules/videoio/src/cap_ffmpeg_impl.hpp b/modules/videoio/src/cap_ffmpeg_impl.hpp
-index 43c555309b9d..91a0f710aa63 100644
---- a/modules/videoio/src/cap_ffmpeg_impl.hpp
-+++ b/modules/videoio/src/cap_ffmpeg_impl.hpp
-@@ -41,6 +41,8 @@
- //M*/
-
- #include "cap_ffmpeg_legacy_api.hpp"
-+#include "opencv2/core/utils/logger.hpp"
-+#include "cap_interface.hpp"
-
- using namespace cv;
-
-@@ -49,6 +51,7 @@ using namespace cv;
- #endif
- #include <algorithm>
- #include <limits>
-+#include <string.h>
-
- #ifndef __OPENCV_BUILD
- #define CV_FOURCC(c1, c2, c3, c4) (((c1) & 255) + (((c2) & 255) << 8) + (((c3) & 255) << 16) + (((c4) & 255) << 24))
-@@ -79,6 +82,7 @@ extern "C" {
-
- #include <libavutil/mathematics.h>
- #include <libavutil/opt.h>
-+#include <libavutil/display.h>
-
- #if LIBAVUTIL_BUILD >= (LIBAVUTIL_VERSION_MICRO >= 100 \
- ? CALC_FFMPEG_VERSION(51, 63, 100) : CALC_FFMPEG_VERSION(54, 6, 0))
-@@ -88,6 +92,62 @@ extern "C" {
- #include <libavcodec/avcodec.h>
- #include <libswscale/swscale.h>
-
-+// https://github.com/FFmpeg/FFmpeg/blob/b6af56c034759b81985f8ea094e41cbd5f7fecfb/doc/APIchanges#L602-L605
-+#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(58, 9, 100)
-+# define CV_FFMPEG_REGISTER
-+#endif
-+
-+// https://github.com/FFmpeg/FFmpeg/blob/b6af56c034759b81985f8ea094e41cbd5f7fecfb/doc/APIchanges#L654-L657
-+#if LIBAVCODEC_BUILD < CALC_FFMPEG_VERSION(58, 9, 100)
-+# define CV_FFMPEG_LOCKMGR
-+#endif
-+
-+// https://github.com/FFmpeg/FFmpeg/blob/b6af56c034759b81985f8ea094e41cbd5f7fecfb/doc/APIchanges#L390-L392
-+#if LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(58, 87, 100)
-+#include <libavcodec/bsf.h>
-+#endif
-+
-+// https://github.com/FFmpeg/FFmpeg/blob/b6af56c034759b81985f8ea094e41cbd5f7fecfb/doc/APIchanges#L208-L210
-+#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(59, 0, 100)
-+# define CV_FFMPEG_FMT_CONST const
-+#else
-+# define CV_FFMPEG_FMT_CONST
-+#endif
-+
-+// https://github.com/FFmpeg/FFmpeg/blob/b6af56c034759b81985f8ea094e41cbd5f7fecfb/doc/APIchanges#L623-L624
-+#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(58, 7, 100)
-+# define CV_FFMPEG_URL
-+#endif
-+
-+// AVStream.codec deprecated in favor of AVStream.codecpar
-+// https://github.com/FFmpeg/FFmpeg/blob/b6af56c034759b81985f8ea094e41cbd5f7fecfb/doc/APIchanges#L1039-L1040
-+#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(59, 16, 100)
-+//#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(57, 33, 100)
-+# define CV_FFMPEG_CODECPAR
-+# define CV_FFMPEG_CODEC_FIELD codecpar
-+#else
-+# define CV_FFMPEG_CODEC_FIELD codec
-+#endif
-+
-+#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(59, 16, 100)
-+# define CV_FFMPEG_PTS_FIELD pts
-+#else
-+# define CV_FFMPEG_PTS_FIELD pkt_pts
-+#endif
-+
-+// https://github.com/FFmpeg/FFmpeg/blob/b6af56c034759b81985f8ea094e41cbd5f7fecfb/doc/APIchanges#L1757-L1758
-+#if LIBAVUTIL_BUILD < CALC_FFMPEG_VERSION(52, 63, 100)
-+inline static AVRational av_make_q(int num, int den)
-+{
-+ AVRational res;
-+ res.num = num;
-+ res.den = den;
-+ return res;
-+}
-+#endif
-+
-+
-+
- #ifdef __cplusplus
- }
- #endif
-@@ -471,6 +531,15 @@ static AVRational _opencv_ffmpeg_get_sample_aspect_ratio(AVStream *stream)
- #endif
- }
-
-+inline static std::string _opencv_ffmpeg_get_error_string(int error_code)
-+{
-+ char buf[255] = {0};
-+ const int err = av_strerror(error_code, buf, 254);
-+ if (err == 0)
-+ return std::string(buf);
-+ else
-+ return std::string("Unknown error");
-+}
-
- struct CvCapture_FFMPEG
- {
-@@ -502,6 +571,7 @@ struct CvCapture_FFMPEG
-
- AVFormatContext * ic;
- AVCodec * avcodec;
-+ AVCodecContext * context;
- int video_stream;
- AVStream * video_st;
- AVFrame * picture;
-@@ -565,6 +635,7 @@ void CvCapture_FFMPEG::init()
- img_convert_ctx = 0;
-
- avcodec = 0;
-+ context = 0;
- frame_number = 0;
- eps_zero = 0.000025;
-
-@@ -617,10 +688,19 @@ void CvCapture_FFMPEG::close()
-
- if( video_st )
- {
-- avcodec_close( video_st->codec );
-+#ifdef CV_FFMPEG_CODECPAR
-+ avcodec_close( context );
-+#endif
- video_st = NULL;
- }
-
-+ if (context)
-+ {
-+#ifdef CV_FFMPEG_CODECPAR
-+ avcodec_free_context(&context);
-+#endif
-+ }
-+
- if( ic )
- {
- avformat_close_input(&ic);
-@@ -798,8 +878,10 @@ class AutoLock
- };
- #endif
-
-+
- static ImplMutex _mutex;
-
-+#ifdef CV_FFMPEG_LOCKMGR
- static int LockCallBack(void **mutex, AVLockOp op)
- {
- ImplMutex* localMutex = reinterpret_cast<ImplMutex*>(*mutex);
-@@ -830,7 +912,7 @@ static int LockCallBack(void **mutex, AVLockOp op)
- }
- return 0;
- }
--
-+#endif
-
- static void ffmpeg_log_callback(void *ptr, int level, const char *fmt, va_list vargs)
- {
-@@ -881,19 +963,59 @@ class InternalFFMpegRegister
- {
- avformat_network_init();
-
-+#ifdef CV_FFMPEG_REGISTER
- /* register all codecs, demux and protocols */
- av_register_all();
-+#endif
-
-+#ifdef CV_FFMPEG_LOCKMGR
- /* register a callback function for synchronization */
- av_lockmgr_register(&LockCallBack);
-+#endif
- }
- ~InternalFFMpegRegister()
- {
-+#ifdef CV_FFMPEG_LOCKMGR
- av_lockmgr_register(NULL);
-+#endif
- av_log_set_callback(NULL);
- }
- };
-
-+inline void fill_codec_context(AVCodecContext * enc, AVDictionary * dict)
-+{
-+//#ifdef FF_API_THREAD_INIT
-+// avcodec_thread_init(enc, get_number_of_cpus());
-+//#else
-+ enc->thread_count = get_number_of_cpus();
-+//#endif
-+
-+ AVDictionaryEntry* avdiscard_entry = av_dict_get(dict, "avdiscard", NULL, 0);
-+
-+ if (avdiscard_entry)
-+ {
-+ if(strcmp(avdiscard_entry->value, "all") == 0)
-+ enc->skip_frame = AVDISCARD_ALL;
-+ else if (strcmp(avdiscard_entry->value, "bidir") == 0)
-+ enc->skip_frame = AVDISCARD_BIDIR;
-+ else if (strcmp(avdiscard_entry->value, "default") == 0)
-+ enc->skip_frame = AVDISCARD_DEFAULT;
-+ else if (strcmp(avdiscard_entry->value, "none") == 0)
-+ enc->skip_frame = AVDISCARD_NONE;
-+ // NONINTRA flag was introduced with version bump at revision:
-+ // https://github.com/FFmpeg/FFmpeg/commit/b152152df3b778d0a86dcda5d4f5d065b4175a7b
-+ // This key is supported only for FFMPEG version
-+#if LIBAVCODEC_VERSION_MICRO >= 100 && LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(55, 67, 100)
-+ else if (strcmp(avdiscard_entry->value, "nonintra") == 0)
-+ enc->skip_frame = AVDISCARD_NONINTRA;
-+#endif
-+ else if (strcmp(avdiscard_entry->value, "nonkey") == 0)
-+ enc->skip_frame = AVDISCARD_NONKEY;
-+ else if (strcmp(avdiscard_entry->value, "nonref") == 0)
-+ enc->skip_frame = AVDISCARD_NONREF;
-+ }
-+}
-+
- bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters& params)
- {
- InternalFFMpegRegister::init();
-@@ -997,7 +1119,7 @@ bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters&
- #else
- av_dict_set(&dict, "rtsp_transport", "tcp", 0);
- #endif
-- AVInputFormat* input_format = NULL;
-+ CV_FFMPEG_FMT_CONST AVInputFormat* input_format = NULL;
- AVDictionaryEntry* entry = av_dict_get(dict, "input_format", NULL, 0);
- if (entry != 0)
- {
-@@ -1015,60 +1137,44 @@ bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters&
- err = avformat_find_stream_info(ic, NULL);
- if (err < 0)
- {
-- CV_WARN("Could not find codec parameters");
-+ CV_LOG_WARNING(NULL, "Unable to read codec parameters from stream (" << _opencv_ffmpeg_get_error_string(err) << ")");
- goto exit_func;
- }
- for(i = 0; i < ic->nb_streams; i++)
- {
-- AVCodecContext* enc = ic->streams[i]->codec;
--
--//#ifdef FF_API_THREAD_INIT
--// avcodec_thread_init(enc, get_number_of_cpus());
--//#else
-- enc->thread_count = get_number_of_cpus();
--//#endif
--
-- AVDictionaryEntry* avdiscard_entry = av_dict_get(dict, "avdiscard", NULL, 0);
--
-- if (avdiscard_entry) {
-- if(strcmp(avdiscard_entry->value, "all") == 0)
-- enc->skip_frame = AVDISCARD_ALL;
-- else if (strcmp(avdiscard_entry->value, "bidir") == 0)
-- enc->skip_frame = AVDISCARD_BIDIR;
-- else if (strcmp(avdiscard_entry->value, "default") == 0)
-- enc->skip_frame = AVDISCARD_DEFAULT;
-- else if (strcmp(avdiscard_entry->value, "none") == 0)
-- enc->skip_frame = AVDISCARD_NONE;
-- // NONINTRA flag was introduced with version bump at revision:
-- // https://github.com/FFmpeg/FFmpeg/commit/b152152df3b778d0a86dcda5d4f5d065b4175a7b
-- // This key is supported only for FFMPEG version
--#if LIBAVCODEC_VERSION_MICRO >= 100 && LIBAVCODEC_BUILD >= CALC_FFMPEG_VERSION(55, 67, 100)
-- else if (strcmp(avdiscard_entry->value, "nonintra") == 0)
-- enc->skip_frame = AVDISCARD_NONINTRA;
-+#ifndef CV_FFMPEG_CODECPAR
-+ context = ic->streams[i]->codec;
-+ AVCodecID codec_id = context->codec_id;
-+ AVMediaType codec_type = context->codec_type;
-+#else
-+ AVCodecParameters* par = ic->streams[i]->codecpar;
-+ AVCodecID codec_id = par->codec_id;
-+ AVMediaType codec_type = par->codec_type;
- #endif
-- else if (strcmp(avdiscard_entry->value, "nonkey") == 0)
-- enc->skip_frame = AVDISCARD_NONKEY;
-- else if (strcmp(avdiscard_entry->value, "nonref") == 0)
-- enc->skip_frame = AVDISCARD_NONREF;
-- }
-
-- if( AVMEDIA_TYPE_VIDEO == enc->codec_type && video_stream < 0)
-+ if( AVMEDIA_TYPE_VIDEO == codec_type && video_stream < 0)
- {
-- CV_LOG_DEBUG(NULL, "FFMPEG: stream[" << i << "] is video stream with codecID=" << (int)enc->codec_id
-- << " width=" << enc->width
-- << " height=" << enc->height
-+ // backup encoder' width/height
-+#ifndef CV_FFMPEG_CODECPAR
-+ int enc_width = context->width;
-+ int enc_height = context->height;
-+#else
-+ int enc_width = par->width;
-+ int enc_height = par->height;
-+#endif
-+
-+ CV_LOG_DEBUG(NULL, "FFMPEG: stream[" << i << "] is video stream with codecID=" << (int)codec_id
-+ << " width=" << enc_width
-+ << " height=" << enc_height
- );
-
-- // backup encoder' width/height
-- int enc_width = enc->width;
-- int enc_height = enc->height;
-
- #if !USE_AV_HW_CODECS
- va_type = VIDEO_ACCELERATION_NONE;
- #endif
-
- // find and open decoder, try HW acceleration types specified in 'hw_acceleration' list (in order)
-- AVCodec *codec = NULL;
-+ const AVCodec *codec = NULL;
- err = -1;
- #if USE_AV_HW_CODECS
- HWAccelIterator accel_iter(va_type, false/*isEncoder*/, dict);
-@@ -1080,21 +1186,27 @@ bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters&
- #if USE_AV_HW_CODECS
- accel_iter.parse_next();
- AVHWDeviceType hw_type = accel_iter.hw_type();
-- enc->get_format = avcodec_default_get_format;
-- if (enc->hw_device_ctx) {
-- av_buffer_unref(&enc->hw_device_ctx);
-- }
- if (hw_type != AV_HWDEVICE_TYPE_NONE)
- {
- CV_LOG_DEBUG(NULL, "FFMPEG: trying to configure H/W acceleration: '" << accel_iter.hw_type_device_string() << "'");
- AVPixelFormat hw_pix_fmt = AV_PIX_FMT_NONE;
-- codec = hw_find_codec(enc->codec_id, hw_type, av_codec_is_decoder, accel_iter.disabled_codecs().c_str(), &hw_pix_fmt);
-- if (codec) {
-+ codec = hw_find_codec(codec_id, hw_type, av_codec_is_decoder, accel_iter.disabled_codecs().c_str(), &hw_pix_fmt);
-+ if (codec)
-+ {
-+#ifdef CV_FFMPEG_CODECPAR
-+ context = avcodec_alloc_context3(codec);
-+#endif
-+ CV_Assert(context);
-+ context->get_format = avcodec_default_get_format;
-+ if (context->hw_device_ctx) {
-+ av_buffer_unref(&context->hw_device_ctx);
-+ }
- if (hw_pix_fmt != AV_PIX_FMT_NONE)
-- enc->get_format = hw_get_format_callback; // set callback to select HW pixel format, not SW format
-- enc->hw_device_ctx = hw_create_device(hw_type, hw_device, accel_iter.device_subname(), use_opencl != 0);
-- if (!enc->hw_device_ctx)
-+ context->get_format = hw_get_format_callback; // set callback to select HW pixel format, not SW format
-+ context->hw_device_ctx = hw_create_device(hw_type, hw_device, accel_iter.device_subname(), use_opencl != 0);
-+ if (!context->hw_device_ctx)
- {
-+ context->get_format = avcodec_default_get_format;
- CV_LOG_DEBUG(NULL, "FFMPEG: ... can't create H/W device: '" << accel_iter.hw_type_device_string() << "'");
- codec = NULL;
- }
-@@ -1106,10 +1218,10 @@ bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters&
- AVDictionaryEntry* video_codec_param = av_dict_get(dict, "video_codec", NULL, 0);
- if (video_codec_param == NULL)
- {
-- codec = avcodec_find_decoder(enc->codec_id);
-+ codec = avcodec_find_decoder(codec_id);
- if (!codec)
- {
-- CV_LOG_ERROR(NULL, "Could not find decoder for codec_id=" << (int)enc->codec_id);
-+ CV_LOG_ERROR(NULL, "Could not find decoder for codec_id=" << (int)codec_id);
- }
- }
- else
-@@ -1121,10 +1233,26 @@ bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters&
- CV_LOG_ERROR(NULL, "Could not find decoder '" << video_codec_param->value << "'");
- }
- }
-+ if (codec)
-+ {
-+#ifdef CV_FFMPEG_CODECPAR
-+ context = avcodec_alloc_context3(codec);
-+#endif
-+ CV_Assert(context);
-+ }
- }
- if (!codec)
-+ {
-+#ifdef CV_FFMPEG_CODECPAR
-+ avcodec_free_context(&context);
-+#endif
- continue;
-- err = avcodec_open2(enc, codec, NULL);
-+ }
-+ fill_codec_context(context, dict);
-+#ifdef CV_FFMPEG_CODECPAR
-+ avcodec_parameters_to_context(context, par);
-+#endif
-+ err = avcodec_open2(context, codec, NULL);
- if (err >= 0) {
- #if USE_AV_HW_CODECS
- va_type = hw_type_to_va_type(hw_type);
-@@ -1146,10 +1274,10 @@ bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters&
- }
-
- // checking width/height (since decoder can sometimes alter it, eg. vp6f)
-- if (enc_width && (enc->width != enc_width))
-- enc->width = enc_width;
-- if (enc_height && (enc->height != enc_height))
-- enc->height = enc_height;
-+ if (enc_width && (context->width != enc_width))
-+ context->width = enc_width;
-+ if (enc_height && (context->height != enc_height))
-+ context->height = enc_height;
-
- video_stream = i;
- video_st = ic->streams[i];
-@@ -1160,8 +1288,8 @@ bool CvCapture_FFMPEG::open(const char* _filename, const VideoCaptureParameters&
- picture = avcodec_alloc_frame();
- #endif
-
-- frame.width = enc->width;
-- frame.height = enc->height;
-+ frame.width = context->width;
-+ frame.height = context->height;
- frame.cn = 3;
- frame.step = 0;
- frame.data = NULL;
-@@ -1306,7 +1434,7 @@ bool CvCapture_FFMPEG::grabFrame()
- int count_errs = 0;
- const int max_number_of_attempts = 1 << 9;
-
-- if( !ic || !video_st ) return false;
-+ if( !ic || !video_st || !context ) return false;
-
- if( ic->streams[video_stream]->nb_frames > 0 &&
- frame_number > ic->streams[video_stream]->nb_frames )
-@@ -1322,7 +1450,7 @@ bool CvCapture_FFMPEG::grabFrame()
-
- #if USE_AV_SEND_FRAME_API
- // check if we can receive frame from previously decoded packet
-- valid = avcodec_receive_frame(video_st->codec, picture) >= 0;
-+ valid = avcodec_receive_frame(context, picture) >= 0;
- #endif
-
- // get the next frame
-@@ -1372,19 +1500,19 @@ bool CvCapture_FFMPEG::grabFrame()
-
- // Decode video frame
- #if USE_AV_SEND_FRAME_API
-- if (avcodec_send_packet(video_st->codec, &packet) < 0) {
-+ if (avcodec_send_packet(context, &packet) < 0) {
- break;
- }
-- ret = avcodec_receive_frame(video_st->codec, picture);
-+ ret = avcodec_receive_frame(context, picture);
- #else
- int got_picture = 0;
-- avcodec_decode_video2(video_st->codec, picture, &got_picture, &packet);
-+ avcodec_decode_video2(context, picture, &got_picture, &packet);
- ret = got_picture ? 0 : -1;
- #endif
- if (ret >= 0) {
- //picture_pts = picture->best_effort_timestamp;
- if( picture_pts == AV_NOPTS_VALUE_ )
-- picture_pts = picture->pkt_pts != AV_NOPTS_VALUE_ && picture->pkt_pts != 0 ? picture->pkt_pts : picture->pkt_dts;
-+ picture_pts = picture->CV_FFMPEG_PTS_FIELD != AV_NOPTS_VALUE_ && picture->CV_FFMPEG_PTS_FIELD != 0 ? picture->CV_FFMPEG_PTS_FIELD : picture->pkt_dts;
-
- valid = true;
- } else if (ret == AVERROR(EAGAIN)) {
-@@ -1415,7 +1543,7 @@ bool CvCapture_FFMPEG::grabFrame()
-
- bool CvCapture_FFMPEG::retrieveFrame(int flag, unsigned char** data, int* step, int* width, int* height, int* cn)
- {
-- if (!video_st)
-+ if (!video_st || !context)
- return false;
-
- if (rawMode || flag == extraDataIdx)
-@@ -1428,8 +1556,8 @@ bool CvCapture_FFMPEG::retrieveFrame(int flag, unsigned char** data, int* step,
- ret = p.data != NULL;
- }
- else if (flag == extraDataIdx) {
-- *data = ic->streams[video_stream]->codec->extradata;
-- *step = ic->streams[video_stream]->codec->extradata_size;
-+ *data = ic->streams[video_stream]->CV_FFMPEG_CODEC_FIELD->extradata;
-+ *step = ic->streams[video_stream]->CV_FFMPEG_CODEC_FIELD->extradata_size;
- }
- *width = *step;
- *height = 1;
-@@ -1454,13 +1582,13 @@ bool CvCapture_FFMPEG::retrieveFrame(int flag, unsigned char** data, int* step,
- return false;
-
- if( img_convert_ctx == NULL ||
-- frame.width != video_st->codec->width ||
-- frame.height != video_st->codec->height ||
-+ frame.width != video_st->CV_FFMPEG_CODEC_FIELD->width ||
-+ frame.height != video_st->CV_FFMPEG_CODEC_FIELD->height ||
- frame.data == NULL )
- {
- // Some sws_scale optimizations have some assumptions about alignment of data/step/width/height
- // Also we use coded_width/height to workaround problem with legacy ffmpeg versions (like n0.8)
-- int buffer_width = video_st->codec->coded_width, buffer_height = video_st->codec->coded_height;
-+ int buffer_width = context->coded_width, buffer_height = context->coded_height;
-
- img_convert_ctx = sws_getCachedContext(
- img_convert_ctx,
-@@ -1494,8 +1622,8 @@ bool CvCapture_FFMPEG::retrieveFrame(int flag, unsigned char** data, int* step,
- _opencv_ffmpeg_av_image_fill_arrays(&rgb_picture, rgb_picture.data[0],
- AV_PIX_FMT_BGR24, buffer_width, buffer_height );
- #endif
-- frame.width = video_st->codec->width;
-- frame.height = video_st->codec->height;
-+ frame.width = video_st->CV_FFMPEG_CODEC_FIELD->width;
-+ frame.height = video_st->CV_FFMPEG_CODEC_FIELD->height;
- frame.cn = 3;
- frame.data = rgb_picture.data[0];
- frame.step = rgb_picture.linesize[0];
-@@ -1505,7 +1633,7 @@ bool CvCapture_FFMPEG::retrieveFrame(int flag, unsigned char** data, int* step,
- img_convert_ctx,
- sw_picture->data,
- sw_picture->linesize,
-- 0, video_st->codec->coded_height,
-+ 0, context->coded_height,
- rgb_picture.data,
- rgb_picture.linesize
- );
-@@ -1529,12 +1657,12 @@ bool CvCapture_FFMPEG::retrieveHWFrame(cv::OutputArray output)
- {
- #if USE_AV_HW_CODECS
- // check that we have HW frame in GPU memory
-- if (!picture || !picture->hw_frames_ctx) {
-+ if (!picture || !picture->hw_frames_ctx || !context) {
- return false;
- }
-
- // GPU color conversion NV12->BGRA, from GPU media buffer to GPU OpenCL buffer
-- return hw_copy_frame_to_umat(video_st->codec->hw_device_ctx, picture, output);
-+ return hw_copy_frame_to_umat(context->hw_device_ctx, picture, output);
- #else
- CV_UNUSED(output);
- return false;
-@@ -1543,7 +1671,7 @@ bool CvCapture_FFMPEG::retrieveHWFrame(cv::OutputArray output)
-
- double CvCapture_FFMPEG::getProperty( int property_id ) const
- {
-- if( !video_st ) return 0;
-+ if( !video_st || !context ) return 0;
-
- double codec_tag = 0;
- CV_CODEC_ID codec_id = AV_CODEC_ID_NONE;
-@@ -1570,8 +1698,8 @@ double CvCapture_FFMPEG::getProperty( int property_id ) const
- case CAP_PROP_FPS:
- return get_fps();
- case CAP_PROP_FOURCC:
-- codec_id = video_st->codec->codec_id;
-- codec_tag = (double) video_st->codec->codec_tag;
-+ codec_id = video_st->CV_FFMPEG_CODEC_FIELD->codec_id;
-+ codec_tag = (double) video_st->CV_FFMPEG_CODEC_FIELD->codec_tag;
-
- if(codec_tag || codec_id == AV_CODEC_ID_NONE)
- {
-@@ -1591,7 +1719,11 @@ double CvCapture_FFMPEG::getProperty( int property_id ) const
- return _opencv_ffmpeg_get_sample_aspect_ratio(ic->streams[video_stream]).den;
- case CAP_PROP_CODEC_PIXEL_FORMAT:
- {
-+#ifdef CV_FFMPEG_CODECPAR
-+ AVPixelFormat pix_fmt = (AVPixelFormat)video_st->codecpar->format;
-+#else
- AVPixelFormat pix_fmt = video_st->codec->pix_fmt;
-+#endif
- unsigned int fourcc_tag = avcodec_pix_fmt_to_codec_tag(pix_fmt);
- return (fourcc_tag == 0) ? (double)-1 : (double)fourcc_tag;
- }
-@@ -1671,7 +1803,7 @@ double CvCapture_FFMPEG::get_fps() const
-
- if (fps < eps_zero)
- {
-- fps = 1.0 / r2d(ic->streams[video_stream]->codec->time_base);
-+ fps = 1.0 / r2d(ic->streams[video_stream]->time_base);
- }
- #endif
- return fps;
-@@ -1703,7 +1835,16 @@ double CvCapture_FFMPEG::dts_to_sec(int64_t dts) const
- void CvCapture_FFMPEG::get_rotation_angle()
- {
- rotation_angle = 0;
--#if LIBAVUTIL_BUILD >= CALC_FFMPEG_VERSION(52, 94, 100)
-+#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(57, 68, 100)
-+ const uint8_t *data = 0;
-+ data = av_stream_get_side_data(video_st, AV_PKT_DATA_DISPLAYMATRIX, NULL);
-+ if (data)
-+ {
-+ rotation_angle = cvRound(av_display_rotation_get((const int32_t*)data));
-+ if (rotation_angle < 0)
-+ rotation_angle += 360;
-+ }
-+#elif LIBAVUTIL_BUILD >= CALC_FFMPEG_VERSION(52, 94, 100)
- AVDictionaryEntry *rotate_tag = av_dict_get(video_st->metadata, "rotate", NULL, 0);
- if (rotate_tag != NULL)
- rotation_angle = atoi(rotate_tag->value);
-@@ -1712,6 +1853,7 @@ void CvCapture_FFMPEG::get_rotation_angle()
-
- void CvCapture_FFMPEG::seek(int64_t _frame_number)
- {
-+ CV_Assert(context);
- _frame_number = std::min(_frame_number, get_total_frames());
- int delta = 16;
-
-@@ -1728,7 +1870,7 @@ void CvCapture_FFMPEG::seek(int64_t _frame_number)
- double time_base = r2d(ic->streams[video_stream]->time_base);
- time_stamp += (int64_t)(sec / time_base + 0.5);
- if (get_total_frames() > 1) av_seek_frame(ic, video_stream, time_stamp, AVSEEK_FLAG_BACKWARD);
-- avcodec_flush_buffers(ic->streams[video_stream]->codec);
-+ avcodec_flush_buffers(context);
- if( _frame_number > 0 )
- {
- grabFrame();
-@@ -1833,7 +1975,7 @@ struct CvVideoWriter_FFMPEG
-
- void init();
-
-- AVOutputFormat * fmt;
-+ CV_FFMPEG_FMT_CONST AVOutputFormat * fmt;
- AVFormatContext * oc;
- uint8_t * outbuf;
- uint32_t outbuf_size;
-@@ -1842,6 +1984,7 @@ struct CvVideoWriter_FFMPEG
- AVFrame * input_picture;
- uint8_t * picbuf;
- AVStream * video_st;
-+ AVCodecContext * context;
- AVPixelFormat input_pix_fmt;
- unsigned char * aligned_input;
- size_t aligned_input_size;
-@@ -1906,6 +2049,7 @@ void CvVideoWriter_FFMPEG::init()
- input_picture = 0;
- picbuf = 0;
- video_st = 0;
-+ context = 0;
- input_pix_fmt = AV_PIX_FMT_NONE;
- aligned_input = NULL;
- aligned_input_size = 0;
-@@ -1957,23 +2101,32 @@ static AVFrame * icv_alloc_picture_FFMPEG(int pix_fmt, int width, int height, bo
- }
-
- /* configure video stream */
--static bool icv_configure_video_stream_FFMPEG(AVFormatContext *oc,
-+static AVCodecContext * icv_configure_video_stream_FFMPEG(AVFormatContext *oc,
- AVStream *st,
- const AVCodec* codec,
- int w, int h, int bitrate,
-- double fps, AVPixelFormat pixel_format)
-+ double fps, AVPixelFormat pixel_format, int fourcc)
- {
-+#ifdef CV_FFMPEG_CODECPAR
-+ AVCodecContext *c = avcodec_alloc_context3(codec);
-+#else
- AVCodecContext *c = st->codec;
-+#endif
-+ CV_Assert(c);
-+
- int frame_rate, frame_rate_base;
-
- c->codec_id = codec->id;
- c->codec_type = AVMEDIA_TYPE_VIDEO;
-+ c->codec_tag = fourcc;
-
-+#ifndef CV_FFMPEG_CODECPAR
- // Set per-codec defaults
- CV_CODEC_ID c_id = c->codec_id;
- avcodec_get_context_defaults3(c, codec);
- // avcodec_get_context_defaults3 erases codec_id for some reason
- c->codec_id = c_id;
-+#endif
-
- /* put sample parameters */
- int64_t lbit_rate = (int64_t)bitrate;
-@@ -2016,7 +2169,12 @@ static bool icv_configure_video_stream_FFMPEG(AVFormatContext *oc,
- }
- }
- if (best == NULL)
-- return false;
-+ {
-+#ifdef CV_FFMPEG_CODECPAR
-+ avcodec_free_context(&c);
-+#endif
-+ return NULL;
-+ }
- c->time_base.den= best->num;
- c->time_base.num= best->den;
- }
-@@ -2059,26 +2217,20 @@ static bool icv_configure_video_stream_FFMPEG(AVFormatContext *oc,
- #endif
- }
-
--#if defined(_MSC_VER)
-- AVRational avg_frame_rate = {frame_rate, frame_rate_base};
-- st->avg_frame_rate = avg_frame_rate;
--#else
-- st->avg_frame_rate = (AVRational){frame_rate, frame_rate_base};
--#endif
-+ st->avg_frame_rate = av_make_q(frame_rate, frame_rate_base);
- #if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(55, 20, 0)
- st->time_base = c->time_base;
- #endif
-
-- return true;
-+ return c;
- }
-
- static const int OPENCV_NO_FRAMES_WRITTEN_CODE = 1000;
-
--static int icv_av_write_frame_FFMPEG( AVFormatContext * oc, AVStream * video_st,
-+static int icv_av_write_frame_FFMPEG( AVFormatContext * oc, AVStream * video_st, AVCodecContext * c,
- uint8_t *, uint32_t,
- AVFrame * picture, int frame_idx)
- {
-- AVCodecContext* c = video_st->codec;
- int ret = OPENCV_NO_FRAMES_WRITTEN_CODE;
-
- #if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(57, 0, 0)
-@@ -2176,9 +2328,6 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
- width = frame_width;
- height = frame_height;
-
-- // typecast from opaque data type to implemented struct
-- AVCodecContext* c = video_st->codec;
--
- // FFmpeg contains SIMD optimizations which can sometimes read data past
- // the supplied input buffer.
- // Related info: https://trac.ffmpeg.org/ticket/6763
-@@ -2215,10 +2364,10 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
- step = aligned_step;
- }
-
-- AVPixelFormat sw_pix_fmt = c->pix_fmt;
-+ AVPixelFormat sw_pix_fmt = context->pix_fmt;
- #if USE_AV_HW_CODECS
-- if (c->hw_frames_ctx)
-- sw_pix_fmt = ((AVHWFramesContext*)c->hw_frames_ctx->data)->sw_format;
-+ if (context->hw_frames_ctx)
-+ sw_pix_fmt = ((AVHWFramesContext*)context->hw_frames_ctx->data)->sw_format;
- #endif
- if ( sw_pix_fmt != input_pix_fmt ) {
- CV_Assert( input_picture );
-@@ -2232,8 +2381,8 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
- img_convert_ctx = sws_getContext(width,
- height,
- (AVPixelFormat)input_pix_fmt,
-- c->width,
-- c->height,
-+ context->width,
-+ context->height,
- sw_pix_fmt,
- SWS_BICUBIC,
- NULL, NULL, NULL);
-@@ -2255,14 +2404,14 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
-
- bool ret;
- #if USE_AV_HW_CODECS
-- if (video_st->codec->hw_device_ctx) {
-+ if (context->hw_device_ctx) {
- // copy data to HW frame
- AVFrame* hw_frame = av_frame_alloc();
- if (!hw_frame) {
- CV_LOG_ERROR(NULL, "Error allocating AVFrame (av_frame_alloc)");
- return false;
- }
-- if (av_hwframe_get_buffer(video_st->codec->hw_frames_ctx, hw_frame, 0) < 0) {
-+ if (av_hwframe_get_buffer(context->hw_frames_ctx, hw_frame, 0) < 0) {
- CV_LOG_ERROR(NULL, "Error obtaining HW frame (av_hwframe_get_buffer)");
- av_frame_free(&hw_frame);
- return false;
-@@ -2273,14 +2422,14 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
- return false;
- }
- hw_frame->pts = frame_idx;
-- int ret_write = icv_av_write_frame_FFMPEG(oc, video_st, outbuf, outbuf_size, hw_frame, frame_idx);
-+ int ret_write = icv_av_write_frame_FFMPEG(oc, video_st, context, outbuf, outbuf_size, hw_frame, frame_idx);
- ret = ret_write >= 0 ? true : false;
- av_frame_free(&hw_frame);
- } else
- #endif
- {
- picture->pts = frame_idx;
-- int ret_write = icv_av_write_frame_FFMPEG(oc, video_st, outbuf, outbuf_size, picture, frame_idx);
-+ int ret_write = icv_av_write_frame_FFMPEG(oc, video_st, context, outbuf, outbuf_size, picture, frame_idx);
- ret = ret_write >= 0 ? true : false;
- }
-
-@@ -2291,7 +2440,7 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
-
- bool CvVideoWriter_FFMPEG::writeHWFrame(cv::InputArray input) {
- #if USE_AV_HW_CODECS
-- if (!video_st->codec->hw_frames_ctx)
-+ if (!video_st || !context || !context->hw_frames_ctx || !context->hw_device_ctx)
- return false;
-
- // Get hardware frame from frame pool
-@@ -2299,20 +2448,20 @@ bool CvVideoWriter_FFMPEG::writeHWFrame(cv::InputArray input) {
- if (!hw_frame) {
- return false;
- }
-- if (av_hwframe_get_buffer(video_st->codec->hw_frames_ctx, hw_frame, 0) < 0) {
-+ if (av_hwframe_get_buffer(context->hw_frames_ctx, hw_frame, 0) < 0) {
- av_frame_free(&hw_frame);
- return false;
- }
-
- // GPU to GPU copy
-- if (!hw_copy_umat_to_frame(video_st->codec->hw_device_ctx, input, hw_frame)) {
-+ if (!hw_copy_umat_to_frame(context->hw_device_ctx, input, hw_frame)) {
- av_frame_free(&hw_frame);
- return false;
- }
-
- // encode
- hw_frame->pts = frame_idx;
-- icv_av_write_frame_FFMPEG( oc, video_st, outbuf, outbuf_size, hw_frame, frame_idx);
-+ icv_av_write_frame_FFMPEG( oc, video_st, context, outbuf, outbuf_size, hw_frame, frame_idx);
- frame_idx++;
-
- av_frame_free(&hw_frame);
-@@ -2365,7 +2514,7 @@ void CvVideoWriter_FFMPEG::close()
- {
- for(;;)
- {
-- int ret = icv_av_write_frame_FFMPEG( oc, video_st, outbuf, outbuf_size, NULL, frame_idx);
-+ int ret = icv_av_write_frame_FFMPEG( oc, video_st, context, outbuf, outbuf_size, NULL, frame_idx);
- if( ret == OPENCV_NO_FRAMES_WRITTEN_CODE || ret < 0 )
- break;
- }
-@@ -2380,7 +2529,7 @@ void CvVideoWriter_FFMPEG::close()
- }
-
- // free pictures
-- if( video_st->codec->pix_fmt != input_pix_fmt)
-+ if( context->pix_fmt != input_pix_fmt)
- {
- if(picture->data[0])
- free(picture->data[0]);
-@@ -2392,7 +2541,7 @@ void CvVideoWriter_FFMPEG::close()
- av_free(input_picture);
-
- /* close codec */
-- avcodec_close(video_st->codec);
-+ avcodec_close(context);
-
- av_free(outbuf);
-
-@@ -2599,8 +2748,15 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
-
- /* set file name */
- oc->oformat = fmt;
-+#ifndef CV_FFMPEG_URL
- snprintf(oc->filename, sizeof(oc->filename), "%s", filename);
--
-+#else
-+ size_t name_len = strlen(filename);
-+ oc->url = (char*)av_malloc(name_len + 1);
-+ CV_Assert(oc->url);
-+ memcpy((void*)oc->url, filename, name_len + 1);
-+ oc->url[name_len] = '\0';
-+#endif
- /* set some options */
- oc->max_delay = (int)(0.7*AV_TIME_BASE); /* This reduces buffer underrun warnings with MPEG */
-
-@@ -2715,7 +2871,7 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- double bitrate = std::min(bitrate_scale*fps*width*height, (double)INT_MAX/2);
-
- if (codec_id == AV_CODEC_ID_NONE) {
-- codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
-+ codec_id = av_guess_codec(oc->oformat, NULL, filename, NULL, AVMEDIA_TYPE_VIDEO);
- }
-
- // Add video stream to output file
-@@ -2733,11 +2889,9 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- }
- #endif
-
-- AVCodecContext *c = video_st->codec;
--
- // find and open encoder, try HW acceleration types specified in 'hw_acceleration' list (in order)
- int err = -1;
-- AVCodec* codec = NULL;
-+ const AVCodec* codec = NULL;
- #if USE_AV_HW_CODECS
- AVBufferRef* hw_device_ctx = NULL;
- HWAccelIterator accel_iter(va_type, true/*isEncoder*/, dict);
-@@ -2780,9 +2934,17 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- AVPixelFormat format = codec_pix_fmt;
- #endif
-
-- if (!icv_configure_video_stream_FFMPEG(oc, video_st, codec,
-- width, height, (int) (bitrate + 0.5),
-- fps, format)) {
-+#ifdef CV_FFMPEG_CODECPAR
-+ if (context)
-+ {
-+ avcodec_free_context(&context);
-+ }
-+#endif
-+ context = icv_configure_video_stream_FFMPEG(oc, video_st, codec,
-+ width, height, (int) (bitrate + 0.5),
-+ fps, format, fourcc);
-+ if (!context)
-+ {
- continue;
- }
-
-@@ -2794,27 +2956,25 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- #endif
- #endif
-
-- c->codec_tag = fourcc;
--
- #if USE_AV_HW_CODECS
- if (hw_device_ctx) {
-- c->hw_device_ctx = av_buffer_ref(hw_device_ctx);
-+ context->hw_device_ctx = av_buffer_ref(hw_device_ctx);
- if (hw_format != AV_PIX_FMT_NONE) {
-- c->hw_frames_ctx = hw_create_frames(NULL, hw_device_ctx, width, height, hw_format);
-- if (!c->hw_frames_ctx)
-+ context->hw_frames_ctx = hw_create_frames(NULL, hw_device_ctx, width, height, hw_format);
-+ if (!context->hw_frames_ctx)
- continue;
- }
- }
- #endif
-
-- int64_t lbit_rate = (int64_t) c->bit_rate;
-+ int64_t lbit_rate = (int64_t) context->bit_rate;
- lbit_rate += (int64_t)(bitrate / 2);
- lbit_rate = std::min(lbit_rate, (int64_t) INT_MAX);
-- c->bit_rate_tolerance = (int) lbit_rate;
-- c->bit_rate = (int) lbit_rate;
-+ context->bit_rate_tolerance = (int) lbit_rate;
-+ context->bit_rate = (int) lbit_rate;
-
- /* open the codec */
-- err = avcodec_open2(c, codec, NULL);
-+ err = avcodec_open2(context, codec, NULL);
- if (err >= 0) {
- #if USE_AV_HW_CODECS
- va_type = hw_type_to_va_type(hw_type);
-@@ -2823,7 +2983,7 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- #endif
- break;
- } else {
-- CV_LOG_ERROR(NULL, "Could not open codec " << codec->name << ", error: " << icvFFMPEGErrStr(err));
-+ CV_LOG_ERROR(NULL, "Could not open codec " << codec->name << ", error: " << icvFFMPEGErrStr(err) << " (" << err << ")");
- }
- #if USE_AV_HW_CODECS
- } // while (accel_iter.good())
-@@ -2844,6 +3004,12 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- return false;
- }
-
-+#ifdef CV_FFMPEG_CODECPAR
-+ // Copy all to codecpar...
-+ // !!! https://stackoverflow.com/questions/15897849/c-ffmpeg-not-writing-avcc-box-information
-+ avcodec_parameters_from_context(video_st->codecpar, context);
-+#endif
-+
- outbuf = NULL;
-
-
-@@ -2858,16 +3024,16 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- }
-
- bool need_color_convert;
-- AVPixelFormat sw_pix_fmt = c->pix_fmt;
-+ AVPixelFormat sw_pix_fmt = context->pix_fmt;
- #if USE_AV_HW_CODECS
-- if (c->hw_frames_ctx)
-- sw_pix_fmt = ((AVHWFramesContext*)c->hw_frames_ctx->data)->sw_format;
-+ if (context->hw_frames_ctx)
-+ sw_pix_fmt = ((AVHWFramesContext*)context->hw_frames_ctx->data)->sw_format;
- #endif
-
- need_color_convert = (sw_pix_fmt != input_pix_fmt);
-
- /* allocate the encoded raw picture */
-- picture = icv_alloc_picture_FFMPEG(sw_pix_fmt, c->width, c->height, need_color_convert);
-+ picture = icv_alloc_picture_FFMPEG(sw_pix_fmt, context->width, context->height, need_color_convert);
- if (!picture) {
- return false;
- }
-@@ -2877,7 +3043,7 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
- to the required output format */
- input_picture = NULL;
- if ( need_color_convert ) {
-- input_picture = icv_alloc_picture_FFMPEG(input_pix_fmt, c->width, c->height, false);
-+ input_picture = icv_alloc_picture_FFMPEG(input_pix_fmt, context->width, context->height, false);
- if (!input_picture) {
- return false;
- }