[Libav-user] one questions about the usage of av_frame_ref() and av_frame_unref()

2016-07-13 Thread qw
Hi, I have one question about the usage of av_frame_ref() and av_frame_unref(). For avcodec_decode_video2(), the following url is its description: http://ffmpeg.org/doxygen/3.1/group__lavc__decoding.html#ga3ac51525b7ad8bca4ced9f3446e96532 When AVCodecContext.refcounted_frames is set to 1, the

[Libav-user] Failed to open codec in av_find_stream_info ?

2016-07-13 Thread ssshukla26
Hi, we are adding a custom decoder for qualcomm chipset into ffmpeg. We have made a linux application which decodes the *h264* file into *nv12 tiled* yuv raw data file successfully. Our aim is to patch ffmpeg with the custom decoder and to upstream the same, so that anyone on qualcomm chipset

Re: [Libav-user] Failed to open codec in av_find_stream_info ?

2016-07-13 Thread ssshukla26
The problem is with init function of decoder, its declaration is as follow, *int qhw_decode_init (AVCodecContext *avctx);* am getting avctx->width as zero (0) and avctx->heigth as zero(0). So I initialize my decoder with constant values, as decoder->width=1920 and decoder->height=1080. After