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avcodec/snowenc: add intra_penalty AVOption 

This allows favoring intra or inter blocks by a user specified amount.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-05-09 23:43:43 +02:00
parent cf31e2df08
commit b62297805b
2 changed files with 3 additions and 1 deletions
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1
libavcodec/snow.h
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@ -175,6 +175,7 @@ typedef struct SnowContext{
slice_buffer sb;
int memc_only;
int no_bitstream;
int intra_penalty;
MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to eventually make the motion estimation independent of MpegEncContext, so this will be removed then (FIXME/XXX)

3
libavcodec/snowenc.c
View File

@ -912,7 +912,7 @@ static av_always_inline int check_block(SnowContext *s, int mb_x, int mb_y, int
block->type &= ~BLOCK_INTRA;
}
rd= get_block_rd(s, mb_x, mb_y, 0, obmc_edged);
rd= get_block_rd(s, mb_x, mb_y, 0, obmc_edged) + s->intra_penalty * !!intra;
//FIXME chroma
if(rd < *best_rd){
@ -1877,6 +1877,7 @@ static const AVOption options[] = {
FF_MPV_COMMON_OPTS
{ "memc_only", "Only do ME/MC (I frames -> ref, P frame -> ME+MC).", OFFSET(memc_only), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "no_bitstream", "Skip final bitstream writeout.", OFFSET(no_bitstream), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
{ "intra_penalty", "Penalty for intra blocks in block decission", OFFSET(intra_penalty), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
{ NULL },
};