[FFmpeg-devel] [PATCH] libx264: list possible presets and tunes.
Nicolas George
nicolas.george at normalesup.org
Sat Jul 14 00:38:15 CEST 2012
The values are listed if setting them fails.
Using "-preset help" or "-preset list" have that effect.
Note: due to the way x264 exposes the list,
it may not be in sync with a shared libx264.
Signed-off-by: Nicolas George <nicolas.george at normalesup.org>
---
libavcodec/libx264.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/libavcodec/libx264.c b/libavcodec/libx264.c
index 2ffdc7d..dd74081 100644
--- a/libavcodec/libx264.c
+++ b/libavcodec/libx264.c
@@ -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);
}
--
1.7.10.4
More information about the ffmpeg-devel
mailing list