libx264: list possible presets and tunes.

The values are listed if setting them fails.
Using "-preset help" or "-preset list" have that effect.
This commit is contained in:
Nicolas George 2012-07-14 00:34:50 +02:00
parent 160df9797e
commit 3aba391fb5

View File

@ -287,7 +287,16 @@ static av_cold int X264_init(AVCodecContext *avctx)
x4->params.analyse.i_chroma_qp_offset = avctx->chromaoffset;
if (x4->preset || x4->tune)
if (x264_param_default_preset(&x4->params, x4->preset, x4->tune) < 0) {
int i;
av_log(avctx, AV_LOG_ERROR, "Error setting preset/tune %s/%s.\n", x4->preset, x4->tune);
av_log(avctx, AV_LOG_INFO, "Possible presets:");
for (i = 0; x264_preset_names[i]; i++)
av_log(avctx, AV_LOG_INFO, " %s", x264_preset_names[i]);
av_log(avctx, AV_LOG_INFO, "\n");
av_log(avctx, AV_LOG_INFO, "Possible tunes:");
for (i = 0; x264_tune_names[i]; i++)
av_log(avctx, AV_LOG_INFO, " %s", x264_tune_names[i]);
av_log(avctx, AV_LOG_INFO, "\n");
return AVERROR(EINVAL);
}