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libx264: add 'b-bias' private option

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Deprecate AVCodecContext.bframebias.
This commit is contained in:
Anton Khirnov 2011-09-01 13:15:09 +02:00
parent bb73cda2f6
commit f83c45183e
3 changed files with 11 additions and 2 deletions
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4
libavcodec/avcodec.h
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@ -2433,12 +2433,14 @@ typedef struct AVCodecContext {
*/
int chromaoffset;
#if FF_API_X264_GLOBAL_OPTS
/**
* Influences how often B-frames are used.
* - encoding: Set by user.
* - decoding: unused
*/
int bframebias;
attribute_deprecated int bframebias;
#endif
/**
* trellis RD quantization

7
libavcodec/libx264.c
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@ -53,6 +53,7 @@ typedef struct X264Context {
int weightb;
int ssim;
int intra_refresh;
int b_bias;
int b_pyramid;
int mixed_refs;
int dct8x8;
@ -191,7 +192,6 @@ static av_cold int X264_init(AVCodecContext *avctx)
x4->params.b_cabac = avctx->coder_type == FF_CODER_TYPE_AC;
x4->params.i_bframe_adaptive = avctx->b_frame_strategy;
x4->params.i_bframe_bias = avctx->bframebias;
x4->params.i_keyint_min = avctx->keyint_min;
if (x4->params.i_keyint_min > x4->params.i_keyint_max)
@ -308,6 +308,8 @@ static av_cold int X264_init(AVCodecContext *avctx)
x4->params.rc.i_lookahead = avctx->rc_lookahead;
if (avctx->weighted_p_pred >= 0)
x4->params.analyse.i_weighted_pred = avctx->weighted_p_pred;
if (avctx->bframebias)
x4->params.i_bframe_bias = avctx->bframebias;
x4->params.analyse.b_ssim = avctx->flags2 & CODEC_FLAG2_SSIM;
x4->params.b_intra_refresh = avctx->flags2 & CODEC_FLAG2_INTRA_REFRESH;
x4->params.i_bframe_pyramid = avctx->flags2 & CODEC_FLAG2_BPYRAMID ? X264_B_PYRAMID_NORMAL : X264_B_PYRAMID_NONE;
@ -360,6 +362,8 @@ static av_cold int X264_init(AVCodecContext *avctx)
x4->params.analyse.b_ssim = x4->ssim;
if (x4->intra_refresh >= 0)
x4->params.b_intra_refresh = x4->intra_refresh;
if (x4->b_bias != INT_MIN)
x4->params.i_bframe_bias = x4->b_bias;
if (x4->b_pyramid >= 0)
x4->params.i_bframe_pyramid = x4->b_pyramid;
if (x4->mixed_refs >= 0)
@ -460,6 +464,7 @@ static const AVOption options[] = {
{ "smart", NULL, 0, FF_OPT_TYPE_CONST, {X264_WEIGHTP_SMART}, INT_MIN, INT_MAX, VE, "weightp" },
{ "ssim", "Calculate and print SSIM stats.", OFFSET(ssim), FF_OPT_TYPE_INT, {-1 }, -1, 1, VE },
{ "intra-refresh", "Use Periodic Intra Refresh instead of IDR frames.",OFFSET(intra_refresh),FF_OPT_TYPE_INT, {-1 }, -1, 1, VE },
{ "b-bias", "Influences how often B-frames are used", OFFSET(b_bias), FF_OPT_TYPE_INT, {INT_MIN}, INT_MIN, INT_MAX, VE },
{ "b-pyramid", "Keep some B-frames as references.", OFFSET(b_pyramid), FF_OPT_TYPE_INT, {-1 }, -1, INT_MAX, VE, "b_pyramid" },
{ "none", NULL, 0, FF_OPT_TYPE_CONST, {X264_B_PYRAMID_NONE}, INT_MIN, INT_MAX, VE, "b_pyramid" },
{ "strict", "Strictly hierarchical pyramid", 0, FF_OPT_TYPE_CONST, {X264_B_PYRAMID_STRICT}, INT_MIN, INT_MAX, VE, "b_pyramid" },

2
libavcodec/options.c
View File

@ -398,7 +398,9 @@ static const AVOption options[]={
{"keyint_min", "minimum interval between IDR-frames (x264)", OFFSET(keyint_min), FF_OPT_TYPE_INT, {.dbl = 25 }, INT_MIN, INT_MAX, V|E},
{"refs", "reference frames to consider for motion compensation (Snow)", OFFSET(refs), FF_OPT_TYPE_INT, {.dbl = 1 }, INT_MIN, INT_MAX, V|E},
{"chromaoffset", "chroma qp offset from luma", OFFSET(chromaoffset), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
#if FF_API_X264_GLOBAL_OPTS
{"bframebias", "influences how often B-frames are used", OFFSET(bframebias), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|E},
#endif
{"trellis", "rate-distortion optimal quantization", OFFSET(trellis), FF_OPT_TYPE_INT, {.dbl = DEFAULT }, INT_MIN, INT_MAX, V|A|E},
{"directpred", "direct mv prediction mode - 0 (none), 1 (spatial), 2 (temporal), 3 (auto)", OFFSET(directpred), FF_OPT_TYPE_INT, {.dbl = 2 }, INT_MIN, INT_MAX, V|E},
#if FF_API_X264_GLOBAL_OPTS