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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-11-01 20:28:31 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-11-03 19:10:22 +0100 |
| commit | 716674b151c15b465e98630108845a228a136793 (patch) | |
| tree | 4a7f3bccaa34ac71ff4e35b5375f26993bcef079 /libavcodec/libwebpenc.c | |
| parent | bd0f866731ac8fed122100e5a4b86ac8f0d81dd1 (diff) | |
| download | ffmpeg-716674b151c15b465e98630108845a228a136793.tar.gz | |
avcodec/libwebpenc: add quality option
previously quality could only be set through qscale/global_quality but the scale
was inverted. Using a separate option avoids the confusion from qscale working
backward.
Reviewed-by: Benoit Fouet <benoit.fouet@free.fr>
Reviewed-by: Clément Bœsch <u@pkh.me>
Reviewed-by: Nicolas George <george@nsup.org>
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/libwebpenc.c')
| -rw-r--r-- | libavcodec/libwebpenc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/libwebpenc.c b/libavcodec/libwebpenc.c index c4c880fab0..95d56acd0b 100644 --- a/libavcodec/libwebpenc.c +++ b/libavcodec/libwebpenc.c @@ -65,10 +65,9 @@ static av_cold int libwebp_encode_init(AVCodecContext *avctx) LibWebPContext *s = avctx->priv_data; int ret; - if (avctx->global_quality < 0) - avctx->global_quality = 75 * FF_QP2LAMBDA; - s->quality = av_clipf(avctx->global_quality / (float)FF_QP2LAMBDA, - 0.0f, 100.0f); + if (avctx->global_quality >= 0) + s->quality = av_clipf(avctx->global_quality / (float)FF_QP2LAMBDA, + 0.0f, 100.0f); if (avctx->compression_level < 0 || avctx->compression_level > 6) { av_log(avctx, AV_LOG_WARNING, "invalid compression level: %d\n", @@ -327,6 +326,7 @@ static const AVOption options[] = { { "text", "text-like", 0, AV_OPT_TYPE_CONST, { .i64 = WEBP_PRESET_TEXT }, 0, 0, VE, "preset" }, { "cr_threshold","Conditional replenishment threshold", OFFSET(cr_threshold), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, { "cr_size" ,"Conditional replenishment block size", OFFSET(cr_size) , AV_OPT_TYPE_INT, { .i64 = 16 }, 0, 256, VE }, + { "quality" ,"Quality", OFFSET(quality), AV_OPT_TYPE_FLOAT, { .dbl = 75 }, 0, 100, VE }, { NULL }, }; |