hello, i want to know if the program support this files type:
Video: 3gp - 3GPP Multimedia File aac - Advanced Audio Coding File ac3 - AC3 Audio File avi - Windows video file flac - Free Lossless Audio Codec flv - Flash Video ipod - MPEG-4 Video File mov - Apple QuickTime Movie mp3 - Compressed audio file mp4 - MPEG-4 Video File mpg - Moving Picture Experts Group File ogg - Ogg Vorbis Compressed Audio File wav - Windows audio file wmv - Windows M Audio: ac3 - AC3 Audio File flac - Free Lossless Audio Codec m4a - MPEG-4 Video File mp3 - Compressed audio file mp4 - MPEG-4 Video File ogg - Ogg Vorbis Compressed Audio File wav - Windows audio file wma - Windows media file ac3 - AC3 Audio File aac - Advanced Audio Coding File 2010/2/4 Tomas Härdin <[email protected]> > On Thu, 2010-02-04 at 13:49 +0100, Miguel Angel Arcos wrote: > > Hi developers, > > > > I'm working with avcodec and I'm having some troubles to decode frame > data > > from an IP Camera. First, after init the library correctly I do the next: > > > > /* My Code */ > > avcodec_init(); > > avcodec_register_all(); > > pCodec = avcodec_find_decoder(CODEC_ID_H264); > > > > if pCodec is OK > > avcodec_alloc_context(MyContext) > > avcodec_get_context_defaults(MyContext) > > MyContext->width = CamWidth > > MyContext->height = CamHeight > > MyContext->pix_fmt = PIX_FMT_RGB32; /*/ I'm not completely sure about > it* > > avcodec_open(MyContext,pCodec) > > > > if avcodec_open(MyContext,pCodec) is OK > > avcodec_alloc_frame(MyAVFrame) > > avcodec_get_frame_defaults(MyAVFrame) > > av_init_packet(MyAVPacket) > > MyAVPacket->size = CamSizeImage; > > MyAVPacket->data= CompressedBuffer; > > *ret = > avcodec_decode_video2(MyContext,MyAVFrame,got_picture,MyAVPacket) > > * //* Problem!!* > > > > The last line return -1 and got_picture 0. I revised all the parameters > in > > MyContext and I can't see where is the problem. Any suggestions? > > > > Thanks in advance. > > > > You can't decode H.264 to RGB32 directly - it most likely outputs > YOU420P or something like that. You have to convert the given images to > your desired pixel format. Use libswscale for that - see > libavformat/output-example.c for an example how to initialize it. > ffplay.c also has some useful examples, but it's a bit larger. > > /Tomas > > > _______________________________________________ > libav-user mailing list > [email protected] > https://lists.mplayerhq.hu/mailman/listinfo/libav-user > _______________________________________________ libav-user mailing list [email protected] https://lists.mplayerhq.hu/mailman/listinfo/libav-user
