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kumquat-buildroot/package/opencv/0001-ffmpeg30.patch

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package/opencv: bump version to 2.4.12.3 Removed patches applied upstream: https://github.com/Itseez/opencv/commit/ea50be0529c248961e1b66293f8a9e4b807294a6 https://github.com/Itseez/opencv/commit/2e393ab83362743ba1825ad4b31d4a2925c606b4 https://github.com/Itseez/opencv/commit/eceada586bbf18fc267e437522ec4f1f23ddc656 Added upstream patch to support ffmpeg 3.0. Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-03-28 21:49:32 +02:00
From a61b19b524cd2b66a7c43e67edd7cc780bf46cbb Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@itseez.com>
Date: Wed, 2 Mar 2016 17:54:17 +0300
Subject: [PATCH] backport ffmpeg fixes
Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
Downloaded from upstream commit:
https://github.com/Itseez/opencv/commit/a61b19b524cd2b66a7c43e67edd7cc780bf46cbb
---
modules/highgui/src/cap_ffmpeg_impl.hpp | 364 +++++++++++++++++++++++++++-----
1 file changed, 314 insertions(+), 50 deletions(-)
diff --git a/modules/highgui/src/cap_ffmpeg_impl.hpp b/modules/highgui/src/cap_ffmpeg_impl.hpp
index 1b79870..6df542a 100644
--- a/modules/highgui/src/cap_ffmpeg_impl.hpp
+++ b/modules/highgui/src/cap_ffmpeg_impl.hpp
@@ -118,11 +118,6 @@ extern "C" {
#define CV_WARN(message) fprintf(stderr, "warning: %s (%s:%d)\n", message, __FILE__, __LINE__)
#endif
-/* PIX_FMT_RGBA32 macro changed in newer ffmpeg versions */
-#ifndef PIX_FMT_RGBA32
-#define PIX_FMT_RGBA32 PIX_FMT_RGB32
-#endif
-
#define CALC_FFMPEG_VERSION(a,b,c) ( a<<16 | b<<8 | c )
#if defined WIN32 || defined _WIN32
@@ -132,6 +127,11 @@ extern "C" {
#include <stdio.h>
#include <sys/types.h>
#include <sys/sysctl.h>
+ #include <sys/time.h>
+#if defined __APPLE__
+ #include <mach/clock.h>
+ #include <mach/mach.h>
+#endif
#endif
#ifndef MIN
@@ -156,6 +156,155 @@ extern "C" {
# define CV_CODEC(name) name
#endif
+#if LIBAVUTIL_BUILD < (LIBAVUTIL_VERSION_MICRO >= 100 \
+ ? CALC_FFMPEG_VERSION(51, 74, 100) : CALC_FFMPEG_VERSION(51, 42, 0))
+#define AVPixelFormat PixelFormat
+#define AV_PIX_FMT_BGR24 PIX_FMT_BGR24
+#define AV_PIX_FMT_RGB24 PIX_FMT_RGB24
+#define AV_PIX_FMT_GRAY8 PIX_FMT_GRAY8
+#define AV_PIX_FMT_YUV422P PIX_FMT_YUV422P
+#define AV_PIX_FMT_YUV420P PIX_FMT_YUV420P
+#define AV_PIX_FMT_YUV444P PIX_FMT_YUV444P
+#define AV_PIX_FMT_YUVJ420P PIX_FMT_YUVJ420P
+#define AV_PIX_FMT_GRAY16LE PIX_FMT_GRAY16LE
+#define AV_PIX_FMT_GRAY16BE PIX_FMT_GRAY16BE
+#endif
+
+#if LIBAVUTIL_BUILD >= (LIBAVUTIL_VERSION_MICRO >= 100 \
+ ? CALC_FFMPEG_VERSION(52, 38, 100) : CALC_FFMPEG_VERSION(52, 13, 0))
+#define USE_AV_FRAME_GET_BUFFER 1
+#else
+#define USE_AV_FRAME_GET_BUFFER 0
+#ifndef AV_NUM_DATA_POINTERS // required for 0.7.x/0.8.x ffmpeg releases
+#define AV_NUM_DATA_POINTERS 4
+#endif
+#endif
+
+
+#ifndef USE_AV_INTERRUPT_CALLBACK
+#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 21, 0)
+#define USE_AV_INTERRUPT_CALLBACK 1
+#else
+#define USE_AV_INTERRUPT_CALLBACK 0
+#endif
+#endif
+
+#if USE_AV_INTERRUPT_CALLBACK
+#define LIBAVFORMAT_INTERRUPT_TIMEOUT_MS 30000
+
+#ifdef WIN32
+// http://stackoverflow.com/questions/5404277/porting-clock-gettime-to-windows
+
+static
+inline LARGE_INTEGER get_filetime_offset()
+{
+ SYSTEMTIME s;
+ FILETIME f;
+ LARGE_INTEGER t;
+
+ s.wYear = 1970;
+ s.wMonth = 1;
+ s.wDay = 1;
+ s.wHour = 0;
+ s.wMinute = 0;
+ s.wSecond = 0;
+ s.wMilliseconds = 0;
+ SystemTimeToFileTime(&s, &f);
+ t.QuadPart = f.dwHighDateTime;
+ t.QuadPart <<= 32;
+ t.QuadPart |= f.dwLowDateTime;
+ return t;
+}
+
+static
+inline void get_monotonic_time(timespec *tv)
+{
+ LARGE_INTEGER t;
+ FILETIME f;
+ double microseconds;
+ static LARGE_INTEGER offset;
+ static double frequencyToMicroseconds;
+ static int initialized = 0;
+ static BOOL usePerformanceCounter = 0;
+
+ if (!initialized)
+ {
+ LARGE_INTEGER performanceFrequency;
+ initialized = 1;
+ usePerformanceCounter = QueryPerformanceFrequency(&performanceFrequency);
+ if (usePerformanceCounter)
+ {
+ QueryPerformanceCounter(&offset);
+ frequencyToMicroseconds = (double)performanceFrequency.QuadPart / 1000000.;
+ }
+ else
+ {
+ offset = get_filetime_offset();
+ frequencyToMicroseconds = 10.;
+ }
+ }
+
+ if (usePerformanceCounter)
+ {
+ QueryPerformanceCounter(&t);
+ } else {
+ GetSystemTimeAsFileTime(&f);
+ t.QuadPart = f.dwHighDateTime;
+ t.QuadPart <<= 32;
+ t.QuadPart |= f.dwLowDateTime;
+ }
+
+ t.QuadPart -= offset.QuadPart;
+ microseconds = (double)t.QuadPart / frequencyToMicroseconds;
+ t.QuadPart = microseconds;
+ tv->tv_sec = t.QuadPart / 1000000;
+ tv->tv_nsec = (t.QuadPart % 1000000) * 1000;
+}
+#else
+static
+inline void get_monotonic_time(timespec *time)
+{
+#if defined(__APPLE__) && defined(__MACH__)
+ clock_serv_t cclock;
+ mach_timespec_t mts;
+ host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
+ clock_get_time(cclock, &mts);
+ mach_port_deallocate(mach_task_self(), cclock);
+ time->tv_sec = mts.tv_sec;
+ time->tv_nsec = mts.tv_nsec;
+#else
+ clock_gettime(CLOCK_MONOTONIC, time);
+#endif
+}
+#endif
+
+static
+inline timespec get_monotonic_time_diff(timespec start, timespec end)
+{
+ timespec temp;
+ if (end.tv_nsec - start.tv_nsec < 0)
+ {
+ temp.tv_sec = end.tv_sec - start.tv_sec - 1;
+ temp.tv_nsec = 1000000000 + end.tv_nsec - start.tv_nsec;
+ }
+ else
+ {
+ temp.tv_sec = end.tv_sec - start.tv_sec;
+ temp.tv_nsec = end.tv_nsec - start.tv_nsec;
+ }
+ return temp;
+}
+
+static
+inline double get_monotonic_time_diff_ms(timespec time1, timespec time2)
+{
+ timespec delta = get_monotonic_time_diff(time1, time2);
+ double milliseconds = delta.tv_sec * 1000 + (double)delta.tv_nsec / 1000000.0;
+
+ return milliseconds;
+}
+#endif // USE_AV_INTERRUPT_CALLBACK
+
static int get_number_of_cpus(void)
{
#if LIBAVFORMAT_BUILD < CALC_FFMPEG_VERSION(52, 111, 0)
@@ -205,12 +354,36 @@ struct Image_FFMPEG
};
+#if USE_AV_INTERRUPT_CALLBACK
+struct AVInterruptCallbackMetadata
+{
+ timespec value;
+ unsigned int timeout_after_ms;
+ int timeout;
+};
+
+static
inline void _opencv_ffmpeg_free(void** ptr)
{
if(*ptr) free(*ptr);
*ptr = 0;
}
+static
+inline int _opencv_ffmpeg_interrupt_callback(void *ptr)
+{
+ AVInterruptCallbackMetadata* metadata = (AVInterruptCallbackMetadata*)ptr;
+ assert(metadata);
+
+ timespec now;
+ get_monotonic_time(&now);
+
+ metadata->timeout = get_monotonic_time_diff_ms(metadata->value, now) > metadata->timeout_after_ms;
+
+ return metadata->timeout ? -1 : 0;
+}
+#endif
+
struct CvCapture_FFMPEG
{
@@ -264,6 +437,10 @@ struct CvCapture_FFMPEG
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(52, 111, 0)
AVDictionary *dict;
#endif
+
+#if USE_AV_INTERRUPT_CALLBACK
+ AVInterruptCallbackMetadata interrupt_metadata;
+#endif
};
void CvCapture_FFMPEG::init()
@@ -301,8 +478,10 @@ void CvCapture_FFMPEG::close()
if( picture )
{
- // FFmpeg and Libav added avcodec_free_frame in different versions.
#if LIBAVCODEC_BUILD >= (LIBAVCODEC_VERSION_MICRO >= 100 \
+ ? CALC_FFMPEG_VERSION(55, 45, 101) : CALC_FFMPEG_VERSION(55, 28, 1))
+ av_frame_free(&picture);
+#elif LIBAVCODEC_BUILD >= (LIBAVCODEC_VERSION_MICRO >= 100 \
? CALC_FFMPEG_VERSION(54, 59, 100) : CALC_FFMPEG_VERSION(54, 28, 0))
avcodec_free_frame(&picture);
#else
@@ -333,11 +512,15 @@ void CvCapture_FFMPEG::close()
ic = NULL;
}
+#if USE_AV_FRAME_GET_BUFFER
+ av_frame_unref(&rgb_picture);
+#else
if( rgb_picture.data[0] )
{
free( rgb_picture.data[0] );
rgb_picture.data[0] = 0;
}
+#endif
// free last packet if exist
if (packet.data) {
@@ -556,6 +739,16 @@ bool CvCapture_FFMPEG::open( const char* _filename )
close();
+#if USE_AV_INTERRUPT_CALLBACK
+ /* interrupt callback */
+ interrupt_metadata.timeout_after_ms = LIBAVFORMAT_INTERRUPT_TIMEOUT_MS;
+ get_monotonic_time(&interrupt_metadata.value);
+
+ ic = avformat_alloc_context();
+ ic->interrupt_callback.callback = _opencv_ffmpeg_interrupt_callback;
+ ic->interrupt_callback.opaque = &interrupt_metadata;
+#endif
+
#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);
@@ -619,19 +812,18 @@ bool CvCapture_FFMPEG::open( const char* _filename )
video_stream = i;
video_st = ic->streams[i];
+#if LIBAVCODEC_BUILD >= (LIBAVCODEC_VERSION_MICRO >= 100 \
+ ? CALC_FFMPEG_VERSION(55, 45, 101) : CALC_FFMPEG_VERSION(55, 28, 1))
+ picture = av_frame_alloc();
+#else
picture = avcodec_alloc_frame();
-
- rgb_picture.data[0] = (uint8_t*)malloc(
- avpicture_get_size( PIX_FMT_BGR24,
- enc->width, enc->height ));
- avpicture_fill( (AVPicture*)&rgb_picture, rgb_picture.data[0],
- PIX_FMT_BGR24, enc->width, enc->height );
+#endif
frame.width = enc->width;
frame.height = enc->height;
frame.cn = 3;
- frame.step = rgb_picture.linesize[0];
- frame.data = rgb_picture.data[0];
+ frame.step = 0;
+ frame.data = NULL;
break;
}
}
@@ -668,6 +860,16 @@ bool CvCapture_FFMPEG::grabFrame()
// get the next frame
while (!valid)
{
+ av_free_packet (&packet);
+
+#if USE_AV_INTERRUPT_CALLBACK
+ if (interrupt_metadata.timeout)
+ {
+ valid = false;
+ break;
+ }
+#endif
+
int ret = av_read_frame(ic, &packet);
if (ret == AVERROR(EAGAIN)) continue;
@@ -703,6 +905,11 @@ bool CvCapture_FFMPEG::grabFrame()
picture_pts = packet.pts != AV_NOPTS_VALUE_ && packet.pts != 0 ? packet.pts : packet.dts;
frame_number++;
valid = true;
+
+#if USE_AV_INTERRUPT_CALLBACK
+ // update interrupt value
+ get_monotonic_time(&interrupt_metadata.value);
+#endif
}
else
{
@@ -727,38 +934,59 @@ bool CvCapture_FFMPEG::retrieveFrame(int, unsigned char** data, int* step, int*
if( !video_st || !picture->data[0] )
return false;
- avpicture_fill((AVPicture*)&rgb_picture, rgb_picture.data[0], PIX_FMT_RGB24,
- video_st->codec->width, video_st->codec->height);
-
if( img_convert_ctx == NULL ||
frame.width != video_st->codec->width ||
- frame.height != video_st->codec->height )
+ frame.height != video_st->codec->height ||
+ frame.data == NULL )
{
- if( img_convert_ctx )
- sws_freeContext(img_convert_ctx);
-
- frame.width = video_st->codec->width;
- frame.height = video_st->codec->height;
+ // 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;
img_convert_ctx = sws_getCachedContext(
- NULL,
- video_st->codec->width, video_st->codec->height,
+ img_convert_ctx,
+ buffer_width, buffer_height,
video_st->codec->pix_fmt,
- video_st->codec->width, video_st->codec->height,
- PIX_FMT_BGR24,
+ buffer_width, buffer_height,
+ AV_PIX_FMT_BGR24,
SWS_BICUBIC,
NULL, NULL, NULL
);
if (img_convert_ctx == NULL)
return false;//CV_Error(0, "Cannot initialize the conversion context!");
+
+#if USE_AV_FRAME_GET_BUFFER
+ av_frame_unref(&rgb_picture);
+ rgb_picture.format = AV_PIX_FMT_BGR24;
+ rgb_picture.width = buffer_width;
+ rgb_picture.height = buffer_height;
+ if (0 != av_frame_get_buffer(&rgb_picture, 32))
+ {
+ CV_WARN("OutOfMemory");
+ return false;
+ }
+#else
+ int aligns[AV_NUM_DATA_POINTERS];
+ avcodec_align_dimensions2(video_st->codec, &buffer_width, &buffer_height, aligns);
+ rgb_picture.data[0] = (uint8_t*)realloc(rgb_picture.data[0],
+ avpicture_get_size( AV_PIX_FMT_BGR24,
+ buffer_width, buffer_height ));
+ avpicture_fill( (AVPicture*)&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.cn = 3;
+ frame.data = rgb_picture.data[0];
+ frame.step = rgb_picture.linesize[0];
}
sws_scale(
img_convert_ctx,
picture->data,
picture->linesize,
- 0, video_st->codec->height,
+ 0, video_st->codec->coded_height,
rgb_picture.data,
rgb_picture.linesize
);
@@ -1099,10 +1327,20 @@ static AVFrame * icv_alloc_picture_FFMPEG(int pix_fmt, int width, int height, bo
uint8_t * picture_buf;
int size;
+#if LIBAVCODEC_BUILD >= (LIBAVCODEC_VERSION_MICRO >= 100 \
+ ? CALC_FFMPEG_VERSION(55, 45, 101) : CALC_FFMPEG_VERSION(55, 28, 1))
+ picture = av_frame_alloc();
+#else
picture = avcodec_alloc_frame();
+#endif
if (!picture)
return NULL;
- size = avpicture_get_size( (PixelFormat) pix_fmt, width, height);
+
+ picture->format = pix_fmt;
+ picture->width = width;
+ picture->height = height;
+
+ size = avpicture_get_size( (AVPixelFormat) pix_fmt, width, height);
if(alloc){
picture_buf = (uint8_t *) malloc(size);
if (!picture_buf)
@@ -1111,7 +1349,7 @@ static AVFrame * icv_alloc_picture_FFMPEG(int pix_fmt, int width, int height, bo
return NULL;
}
avpicture_fill((AVPicture *)picture, picture_buf,
- (PixelFormat) pix_fmt, width, height);
+ (AVPixelFormat) pix_fmt, width, height);
}
else {
}
@@ -1211,7 +1449,7 @@ static AVStream *icv_add_video_stream_FFMPEG(AVFormatContext *oc,
#endif
c->gop_size = 12; /* emit one intra frame every twelve frames at most */
- c->pix_fmt = (PixelFormat) pixel_format;
+ c->pix_fmt = (AVPixelFormat) pixel_format;
if (c->codec_id == CV_CODEC(CODEC_ID_MPEG2VIDEO)) {
c->max_b_frames = 2;
@@ -1372,12 +1610,12 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
#endif
// check parameters
- if (input_pix_fmt == PIX_FMT_BGR24) {
+ if (input_pix_fmt == AV_PIX_FMT_BGR24) {
if (cn != 3) {
return false;
}
}
- else if (input_pix_fmt == PIX_FMT_GRAY8) {
+ else if (input_pix_fmt == AV_PIX_FMT_GRAY8) {
if (cn != 1) {
return false;
}
@@ -1390,13 +1628,13 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
assert( input_picture );
// let input_picture point to the raw data buffer of 'image'
avpicture_fill((AVPicture *)input_picture, (uint8_t *) data,
- (PixelFormat)input_pix_fmt, width, height);
+ (AVPixelFormat)input_pix_fmt, width, height);
if( !img_convert_ctx )
{
img_convert_ctx = sws_getContext(width,
height,
- (PixelFormat)input_pix_fmt,
+ (AVPixelFormat)input_pix_fmt,
c->width,
c->height,
c->pix_fmt,
@@ -1414,7 +1652,7 @@ bool CvVideoWriter_FFMPEG::writeFrame( const unsigned char* data, int step, int
}
else{
avpicture_fill((AVPicture *)picture, (uint8_t *) data,
- (PixelFormat)input_pix_fmt, width, height);
+ (AVPixelFormat)input_pix_fmt, width, height);
}
picture->pts = frame_idx;
@@ -1547,10 +1785,10 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
/* determine optimal pixel format */
if (is_color) {
- input_pix_fmt = PIX_FMT_BGR24;
+ input_pix_fmt = AV_PIX_FMT_BGR24;
}
else {
- input_pix_fmt = PIX_FMT_GRAY8;
+ input_pix_fmt = AV_PIX_FMT_GRAY8;
}
/* Lookup codec_id for given fourcc */
@@ -1587,21 +1825,21 @@ bool CvVideoWriter_FFMPEG::open( const char * filename, int fourcc,
break;
#endif
case CV_CODEC(CODEC_ID_HUFFYUV):
- codec_pix_fmt = PIX_FMT_YUV422P;
+ codec_pix_fmt = AV_PIX_FMT_YUV422P;
break;
case CV_CODEC(CODEC_ID_MJPEG):
case CV_CODEC(CODEC_ID_LJPEG):
- codec_pix_fmt = PIX_FMT_YUVJ420P;
+ codec_pix_fmt = AV_PIX_FMT_YUVJ420P;
bitrate_scale = 3;
break;
case CV_CODEC(CODEC_ID_RAWVIDEO):
- codec_pix_fmt = input_pix_fmt == PIX_FMT_GRAY8 ||
- input_pix_fmt == PIX_FMT_GRAY16LE ||
- input_pix_fmt == PIX_FMT_GRAY16BE ? input_pix_fmt : PIX_FMT_YUV420P;
+ codec_pix_fmt = input_pix_fmt == AV_PIX_FMT_GRAY8 ||
+ input_pix_fmt == AV_PIX_FMT_GRAY16LE ||
+ input_pix_fmt == AV_PIX_FMT_GRAY16BE ? input_pix_fmt : AV_PIX_FMT_YUV420P;
break;
default:
// good for lossy formats, MPEG, etc.
- codec_pix_fmt = PIX_FMT_YUV420P;
+ codec_pix_fmt = AV_PIX_FMT_YUV420P;
break;
}
@@ -1826,7 +2064,7 @@ struct OutputMediaStream_FFMPEG
void write(unsigned char* data, int size, int keyFrame);
// add a video output stream to the container
- static AVStream* addVideoStream(AVFormatContext *oc, CV_CODEC_ID codec_id, int w, int h, int bitrate, double fps, PixelFormat pixel_format);
+ static AVStream* addVideoStream(AVFormatContext *oc, CV_CODEC_ID codec_id, int w, int h, int bitrate, double fps, AVPixelFormat pixel_format);
AVOutputFormat* fmt_;
AVFormatContext* oc_;
@@ -1873,7 +2111,7 @@ 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)
+AVStream* OutputMediaStream_FFMPEG::addVideoStream(AVFormatContext *oc, CV_CODEC_ID codec_id, int w, int h, int bitrate, double fps, AVPixelFormat pixel_format)
{
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 10, 0)
AVStream* st = avformat_new_stream(oc, 0);
@@ -2011,7 +2249,7 @@ bool OutputMediaStream_FFMPEG::open(const char* fileName, int width, int height,
oc_->max_delay = (int)(0.7 * AV_TIME_BASE); // This reduces buffer underrun warnings with MPEG
// set a few optimal pixel formats for lossless codecs of interest..
- PixelFormat codec_pix_fmt = PIX_FMT_YUV420P;
+ AVPixelFormat codec_pix_fmt = AV_PIX_FMT_YUV420P;
int bitrate_scale = 64;
// TODO -- safe to ignore output audio stream?
@@ -2150,6 +2388,10 @@ struct InputMediaStream_FFMPEG
AVFormatContext* ctx_;
int video_stream_id_;
AVPacket pkt_;
+
+#if USE_AV_INTERRUPT_CALLBACK
+ AVInterruptCallbackMetadata interrupt_metadata;
+#endif
};
bool InputMediaStream_FFMPEG::open(const char* fileName, int* codec, int* chroma_format, int* width, int* height)
@@ -2160,6 +2402,16 @@ bool InputMediaStream_FFMPEG::open(const char* fileName, int* codec, int* chroma
video_stream_id_ = -1;
memset(&pkt_, 0, sizeof(AVPacket));
+#if USE_AV_INTERRUPT_CALLBACK
+ /* interrupt callback */
+ interrupt_metadata.timeout_after_ms = LIBAVFORMAT_INTERRUPT_TIMEOUT_MS;
+ get_monotonic_time(&interrupt_metadata.value);
+
+ ctx_ = avformat_alloc_context();
+ ctx_->interrupt_callback.callback = _opencv_ffmpeg_interrupt_callback;
+ ctx_->interrupt_callback.opaque = &interrupt_metadata;
+#endif
+
#if LIBAVFORMAT_BUILD >= CALC_FFMPEG_VERSION(53, 13, 0)
avformat_network_init();
#endif
@@ -2220,15 +2472,15 @@ bool InputMediaStream_FFMPEG::open(const char* fileName, int* codec, int* chroma
switch (enc->pix_fmt)
{
- case PIX_FMT_YUV420P:
+ case AV_PIX_FMT_YUV420P:
*chroma_format = ::VideoChromaFormat_YUV420;
break;
- case PIX_FMT_YUV422P:
+ case AV_PIX_FMT_YUV422P:
*chroma_format = ::VideoChromaFormat_YUV422;
break;
- case PIX_FMT_YUV444P:
+ case AV_PIX_FMT_YUV444P:
*chroma_format = ::VideoChromaFormat_YUV444;
break;
@@ -2276,11 +2528,23 @@ bool InputMediaStream_FFMPEG::read(unsigned char** data, int* size, int* endOfFi
// get the next frame
for (;;)
{
+#if USE_AV_INTERRUPT_CALLBACK
+ if(interrupt_metadata.timeout)
+ {
+ break;
+ }
+#endif
+
int ret = av_read_frame(ctx_, &pkt_);
if (ret == AVERROR(EAGAIN))
continue;
+#if USE_AV_INTERRUPT_CALLBACK
+ // update interrupt value
+ get_monotonic_time(&interrupt_metadata.value);
+#endif
+
if (ret < 0)
{
if (ret == (int)AVERROR_EOF)
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