diff options
Diffstat (limited to 'k9author/k9avidecode.cpp')
| -rw-r--r-- | k9author/k9avidecode.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/k9author/k9avidecode.cpp b/k9author/k9avidecode.cpp index 731b1d3..77f8d2b 100644 --- a/k9author/k9avidecode.cpp +++ b/k9author/k9avidecode.cpp @@ -35,6 +35,7 @@ void *CodecHandle=0; void *FormatHandle=0; void *UtilHandle=0; +void *SwscaleHandle=0; int glibref=0; #ifdef NEW_FFMPEG @@ -49,12 +50,22 @@ void av_free_packet(AVPacket *pkt) #endif #endif +#ifdef HAVE_SWSCALE +#include "libswscale/swscale.h" +static int sws_flags = SWS_BICUBIC; +#endif + k9AviDecode::k9AviDecode(TQObject *parent, const char *name) : TQObject(parent, name) { if (glibref==0) { CodecHandle=dlopen("libavcodec.so",RTLD_LAZY | RTLD_GLOBAL); FormatHandle=dlopen("libavformat.so",RTLD_LAZY | RTLD_GLOBAL); UtilHandle=dlopen("libavutil.so",RTLD_LAZY | RTLD_GLOBAL); +# ifdef HAVE_SWSCALE + SwscaleHandle=dlopen("libswscale.so",RTLD_LAZY); + if (SwscaleHandle==0) + SwscaleHandle=dlopen("libswscale.so.2",RTLD_LAZY); +# endif } if (!CodecHandle) { m_error =i18n("Cannot open then library %1").arg("libavcodec"); @@ -70,6 +81,11 @@ k9AviDecode::k9AviDecode(TQObject *parent, const char *name) return; } # endif +# ifdef HAVE_SWSCALE + if (!SwscaleHandle) { + m_error =i18n("Cannot open the library %1").arg("libswscale"); + } +# endif m_error=""; av_register_all = (av_register_all_t)dlsym(FormatHandle,"av_register_all"); # if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 2, 0) @@ -98,7 +114,12 @@ k9AviDecode::k9AviDecode(TQObject *parent, const char *name) # else avcodec_decode_video = (avcodec_decode_video_t)dlsym(CodecHandle,"avcodec_decode_video"); # endif +# ifndef HAVE_SWSCALE img_convert = (img_convert_t)dlsym(CodecHandle,"img_convert"); + //if img_convert is null (deprecated in ffmpeg), we need libswscale + if (!img_convert) + errs << i18n("Cannot open the library %1").arg("libswscale"); +# endif av_free = (av_free_t)dlsym(CodecHandle,"av_free"); avcodec_close = (avcodec_close_t)dlsym(FormatHandle,"avcodec_close"); # if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53, 17, 0) @@ -109,6 +130,11 @@ k9AviDecode::k9AviDecode(TQObject *parent, const char *name) av_seek_frame=(av_seek_frame_t)dlsym(FormatHandle,"av_seek_frame"); av_rescale_q=(av_rescale_q_t)dlsym(FormatHandle,"av_rescale_q"); avcodec_flush_buffers=(avcodec_flush_buffers_t)dlsym(CodecHandle,"avcodec_flush_buffers"); +# ifdef HAVE_SWSCALE + sws_freeContext= (sws_freeContext_t)dlsym(SwscaleHandle,"sws_freeContext"); + sws_getContext=(sws_getContext_t)dlsym(SwscaleHandle,"sws_getContext"); + sws_scale= (sws_scale_t)dlsym(SwscaleHandle,"sws_scale"); +# endif # if LIBAVUTIL_VERSION_INT >= AV_VERSION_INT(51, 33, 0) av_gettime=(av_gettime_t)dlsym(UtilHandle,"av_gettime"); @@ -139,6 +165,11 @@ k9AviDecode::~k9AviDecode() { if(UtilHandle) { dlclose(UtilHandle); } +# ifdef HAVE_SWSCALE + if (SwscaleHandle) { + dlclose(CodecHandle); + } +# endif } } @@ -257,6 +288,9 @@ void k9AviDecode::readFrame(double _seconds) { int frameFinished=0; AVPacket packet; +# ifdef HAVE_SWSCALE + struct SwsContext *toRGB_convert_ctx; +# endif bool bFound=false; while (av_read_frame(m_FormatCtx, &packet)>=0 && !bFound) { // Is this a packet from the video stream? @@ -281,6 +315,7 @@ void k9AviDecode::readFrame(double _seconds) { # endif if (cur_dts >=fspos) { bFound=true; +# ifndef HAVE_SWSCALE // Convert the image from its native format to RGB img_convert((AVPicture *)m_FrameRGB, PIX_FMT_RGB24, (AVPicture*)m_Frame, m_CodecCtx->pix_fmt, @@ -289,6 +324,14 @@ void k9AviDecode::readFrame(double _seconds) { // convert frame to TQImage SaveFrame(m_FrameRGB, m_CodecCtx->width, m_CodecCtx->height); +# else + toRGB_convert_ctx=sws_getContext(m_CodecCtx->width, m_CodecCtx->height, m_CodecCtx->pix_fmt, m_CodecCtx->width, m_CodecCtx->height, PIX_FMT_RGB24, sws_flags,NULL,NULL,NULL); + sws_scale(toRGB_convert_ctx, m_Frame->data, m_Frame->linesize, 0, m_CodecCtx->height, m_FrameRGB->data,m_FrameRGB->linesize); + // convert frame to QImage + SaveFrame(m_FrameRGB, m_CodecCtx->width, + m_CodecCtx->height); + sws_freeContext(toRGB_convert_ctx); +# endif } } } |