diff options
Diffstat (limited to 'source/gameengine/VideoTexture/VideoFFmpeg.h')
| -rw-r--r-- | source/gameengine/VideoTexture/VideoFFmpeg.h | 46 |
1 files changed, 41 insertions, 5 deletions
diff --git a/source/gameengine/VideoTexture/VideoFFmpeg.h b/source/gameengine/VideoTexture/VideoFFmpeg.h index e60f1727aab..51ce2c4eebe 100644 --- a/source/gameengine/VideoTexture/VideoFFmpeg.h +++ b/source/gameengine/VideoTexture/VideoFFmpeg.h @@ -24,12 +24,17 @@ http://www.gnu.org/copyleft/lesser.txt. #ifdef WITH_FFMPEG extern "C" { +#include <pthread.h> #include <ffmpeg/avformat.h> #include <ffmpeg/avcodec.h> #include <ffmpeg/rational.h> #include <ffmpeg/swscale.h> +#include "DNA_listBase.h" +#include "BLI_threads.h" +#include "BLI_blenlib.h" } + #if LIBAVFORMAT_VERSION_INT < (49 << 16) #define FFMPEG_OLD_FRAME_RATE 1 #else @@ -54,6 +59,8 @@ static inline AVCodecContext* get_codec_from_stream(AVStream* stream) #include "VideoBase.h" +#define CACHE_FRAME_SIZE 5 +#define CACHE_PACKET_SIZE 30 // type VideoFFmpeg declaration class VideoFFmpeg : public VideoBase @@ -91,7 +98,6 @@ public: char *getImageName(void) { return (m_isImage) ? m_imageName.Ptr() : NULL; } protected: - // format and codec information AVCodec *m_codec; AVFormatContext *m_formatCtx; @@ -138,6 +144,9 @@ protected: /// is file an image? bool m_isImage; + /// is image loading done in a separate thread? + bool m_isThreaded; + /// keep last image name STR_String m_imageName; @@ -157,10 +166,37 @@ protected: int openStream(const char *filename, AVInputFormat *inputFormat, AVFormatParameters *formatParams); /// check if a frame is available and load it in pFrame, return true if a frame could be retrieved - bool grabFrame(long frame); - - /// return the frame in RGB24 format, the image data is found in AVFrame.data[0] - AVFrame* getFrame(void) { return m_frameRGB; } + AVFrame* grabFrame(long frame); + + /// in case of caching, put the frame back in free queue + void releaseFrame(AVFrame* frame); + + /// start thread to load the video file/capture/stream + bool startCache(); + void stopCache(); + +private: + typedef struct { + Link link; + long framePosition; + AVFrame *frame; + } CacheFrame; + typedef struct { + Link link; + AVPacket packet; + } CachePacket; + + bool m_stopThread; + bool m_cacheStarted; + ListBase m_thread; + ListBase m_frameCacheBase; // list of frames that are ready + ListBase m_frameCacheFree; // list of frames that are unused + ListBase m_packetCacheBase; // list of packets that are ready for decoding + ListBase m_packetCacheFree; // list of packets that are unused + pthread_mutex_t m_cacheMutex; + + AVFrame *allocFrameRGB(); + static void *cacheThread(void *); }; inline VideoFFmpeg * getFFmpeg (PyImage * self) |