From: Jan Engelhardt Date: 2016-04-10 23:23:53.138440254 +0200 Improve the error messages a bit to say what's really going on (in light of a reduced build). --- fftools/ffmpeg.c | 2 +- fftools/ffmpeg_filter.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) Index: ffmpeg-6.0/fftools/ffmpeg.c =================================================================== --- ffmpeg-6.0.orig/fftools/ffmpeg.c +++ ffmpeg-6.0/fftools/ffmpeg.c @@ -2797,7 +2797,7 @@ static int init_input_stream(InputStream if (ist->decoding_needed) { const AVCodec *codec = ist->dec; if (!codec) { - snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d", + snprintf(error, error_len, "This build of ffmpeg does not include a \"%s\" decoder needed for input stream #%d:%d.", avcodec_get_name(ist->dec_ctx->codec_id), ist->file_index, ist->st->index); return AVERROR(EINVAL); } Index: ffmpeg-6.0/fftools/ffmpeg_filter.c =================================================================== --- ffmpeg-6.0.orig/fftools/ffmpeg_filter.c +++ ffmpeg-6.0/fftools/ffmpeg_filter.c @@ -1064,7 +1064,7 @@ static int configure_input_filter(Filter { if (!ifilter->ist->dec) { av_log(NULL, AV_LOG_ERROR, - "No decoder for stream #%d:%d, filtering impossible\n", + "This build of ffmpeg does not have a suitable decoder for stream #%d:%d enabled, filtering impossible\n", ifilter->ist->file_index, ifilter->ist->st->index); return AVERROR_DECODER_NOT_FOUND; }