On Wed, Feb 22, 2017 at 10:47:13PM +0000, Rostislav Pehlivanov wrote: > Its been extensively tested and it gives gain for practically free, so > make it enabled by default. > > Signed-off-by: Rostislav Pehlivanov <atomnu...@gmail.com> > --- > libavcodec/mjpegenc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/mjpegenc.c b/libavcodec/mjpegenc.c > index cc917edb7f..03c3d0ab13 100644 > --- a/libavcodec/mjpegenc.c > +++ b/libavcodec/mjpegenc.c > @@ -444,7 +444,7 @@ FF_MPV_COMMON_OPTS > { "left", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, INT_MIN, INT_MAX, > VE, "pred" }, > { "plane", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, INT_MIN, INT_MAX, > VE, "pred" }, > { "median", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, INT_MIN, INT_MAX, > VE, "pred" }, > -{ "huffman", "Huffman table strategy", OFFSET(huffman), AV_OPT_TYPE_INT, { > .i64 = HUFFMAN_TABLE_DEFAULT }, 0, NB_HUFFMAN_TABLE_OPTION - 1, VE, "huffman" > }, > +{ "huffman", "Huffman table strategy", OFFSET(huffman), AV_OPT_TYPE_INT, { > .i64 = HUFFMAN_TABLE_OPTIMAL }, 0, NB_HUFFMAN_TABLE_OPTION - 1, VE, "huffman" > }, > { "default", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = HUFFMAN_TABLE_DEFAULT > }, INT_MIN, INT_MAX, VE, "huffman" }, > { "optimal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = HUFFMAN_TABLE_OPTIMAL > }, INT_MIN, INT_MAX, VE, "huffman" }, > { NULL}, > -- > 2.12.0.rc1.440.g5b76565f74
./ffmpeg -i lena.pnm -threads 2 -thread_type slice file.jpg fails with Assertion n <= 31 && value < (1U << n) failed at libavcodec/put_bits.h:157 I dont think slice threads work with optimal huffman [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB During times of universal deceit, telling the truth becomes a revolutionary act. -- George Orwell
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