4 level transforms seem to work better for "real world content" although testing on images still results in 5 level transforms needing less bits.
Slice sizes can now be reduced as they work better. The bits which would have been wasted are now used. Signed-off-by: Rostislav Pehlivanov <atomnu...@gmail.com> --- libavcodec/vc2enc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/libavcodec/vc2enc.c b/libavcodec/vc2enc.c index df71953..023e02b 100644 --- a/libavcodec/vc2enc.c +++ b/libavcodec/vc2enc.c @@ -1244,10 +1244,10 @@ alloc_fail: #define VC2ENC_FLAGS (AV_OPT_FLAG_ENCODING_PARAM | AV_OPT_FLAG_VIDEO_PARAM) static const AVOption vc2enc_options[] = { - {"tolerance", "Max undershoot in percent", offsetof(VC2EncContext, tolerance), AV_OPT_TYPE_DOUBLE, {.dbl = 10.0f}, 0.0f, 45.0f, VC2ENC_FLAGS, "tolerance"}, - {"slice_width", "Slice width", offsetof(VC2EncContext, slice_width), AV_OPT_TYPE_INT, {.i64 = 128}, 32, 1024, VC2ENC_FLAGS, "slice_width"}, - {"slice_height", "Slice height", offsetof(VC2EncContext, slice_height), AV_OPT_TYPE_INT, {.i64 = 64}, 8, 1024, VC2ENC_FLAGS, "slice_height"}, - {"wavelet_depth", "Transform depth", offsetof(VC2EncContext, wavelet_depth), AV_OPT_TYPE_INT, {.i64 = 5}, 1, 5, VC2ENC_FLAGS, "wavelet_depth"}, + {"tolerance", "Max undershoot in percent", offsetof(VC2EncContext, tolerance), AV_OPT_TYPE_DOUBLE, {.dbl = 5.0f}, 0.0f, 45.0f, VC2ENC_FLAGS, "tolerance"}, + {"slice_width", "Slice width", offsetof(VC2EncContext, slice_width), AV_OPT_TYPE_INT, {.i64 = 64}, 32, 1024, VC2ENC_FLAGS, "slice_width"}, + {"slice_height", "Slice height", offsetof(VC2EncContext, slice_height), AV_OPT_TYPE_INT, {.i64 = 32}, 8, 1024, VC2ENC_FLAGS, "slice_height"}, + {"wavelet_depth", "Transform depth", offsetof(VC2EncContext, wavelet_depth), AV_OPT_TYPE_INT, {.i64 = 4}, 1, 5, VC2ENC_FLAGS, "wavelet_depth"}, {"wavelet_type", "Transform type", offsetof(VC2EncContext, wavelet_idx), AV_OPT_TYPE_INT, {.i64 = VC2_TRANSFORM_9_7}, 0, VC2_TRANSFORMS_NB, VC2ENC_FLAGS, "wavelet_idx"}, {"9_7", "Deslauriers-Dubuc (9,7)", 0, AV_OPT_TYPE_CONST, {.i64 = VC2_TRANSFORM_9_7}, INT_MIN, INT_MAX, VC2ENC_FLAGS, "wavelet_idx"}, {"5_3", "LeGall (5,3)", 0, AV_OPT_TYPE_CONST, {.i64 = VC2_TRANSFORM_5_3}, INT_MIN, INT_MAX, VC2ENC_FLAGS, "wavelet_idx"}, -- 2.7.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel