The error is to tell you to set the linesize of input frame/picture, which value is 0 and should be at least 1920 on y plane.
btw, your repo link is 404... On Wed, Nov 29, 2017 at 9:12 PM, Leandro Moreira < [email protected]> wrote: > Hello there, > > I'm trying to code a simple transcoder that replicates (almost the same > behavior) as this command line: > > ffmpeg -i input.mp4 -c:v libx264 -x264-params > keyint=60:min-keyint=60:no-scenecut=1 > -c:a copy output.mp4 > > In order to implement this code I used two examples I found: > > - https://ffmpeg.org/doxygen/trunk/transcoding_8c-example.html > - https://ffmpeg.org/doxygen/trunk/encode_video_8c-example.html > > When I try to run my transcoder it doesn't produce the output and also > shows this logging message: > > [libx264 @ 0x7fd99e801200] Input picture width (1920) is greater than > stride (0) > > Am I missing something? > > *The entire code, how to compile it and run it.* > > https://github.com/leandromoreira/ffmpeg-libav- > tutorial/blob/transcoding/2_transcoding.c > <https://github.com/leandromoreira/ffmpeg-libav-tutorial/blob/transcoding/2_transcoding.ccat> > > gcc -g -Wall -o transcoding -lavformat -lavcodec -lswscale -lz > 2_transcoding.c \ > && ./transcoding small_bunny_1080p_60fps.mp4 bunny_1s_gop.mp4 > > *A summary of my code:* > > // a simple transcode context > typedef struct TrancodeContext { > char *file_name; > AVFormatContext *format_context; > > int audio_stream_index; > int video_stream_index; > > AVStream *stream[2]; > AVCodec *codec[2]; > AVCodecContext *codec_context[2]; > } TranscodeContext; > > //I use two context > TranscodeContext *decoder = malloc(sizeof(TranscodeContext)); > TranscodeContext *encoder = malloc(sizeof(TranscodeContext)); > > prepare_input(decoder); > prepare_output(decoder, encoder); > > // decoding > while (av_read_frame(decoder->format_context, i_packet) >= 0) { > decode_packet(); > encode_frame(); > } > > > > > _______________________________________________ > Libav-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/libav-user > > -- Shu. Wang @ Bestminr http://halfelf.me
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