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avcodec/nvenc: add initial QP value options 

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Konda Raju 2017-02-28 11:09:12 +05:30 committed by Timo Rothenpieler
parent a549243b89
commit 5f44a4a0a9
5 changed files with 35 additions and 9 deletions
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33
libavcodec/nvenc.c
View File

@ -547,16 +547,33 @@ static av_cold void set_vbr(AVCodecContext *avctx)
}
rc->enableInitialRCQP = 1;
rc->initialRCQP.qpInterP = qp_inter_p;
if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
rc->initialRCQP.qpIntra = av_clip(
qp_inter_p * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
rc->initialRCQP.qpInterB = av_clip(
qp_inter_p * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
if (ctx->init_qp_p < 0) {
rc->initialRCQP.qpInterP = qp_inter_p;
} else {
rc->initialRCQP.qpIntra = qp_inter_p;
rc->initialRCQP.qpInterB = qp_inter_p;
rc->initialRCQP.qpInterP = ctx->init_qp_p;
}
if (ctx->init_qp_i < 0) {
if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
rc->initialRCQP.qpIntra = av_clip(
rc->initialRCQP.qpInterP * fabs(avctx->i_quant_factor) + avctx->i_quant_offset + 0.5, 0, 51);
} else {
rc->initialRCQP.qpIntra = rc->initialRCQP.qpInterP;
}
} else {
rc->initialRCQP.qpIntra = ctx->init_qp_i;
}
if (ctx->init_qp_b < 0) {
if (avctx->i_quant_factor != 0.0 && avctx->b_quant_factor != 0.0) {
rc->initialRCQP.qpInterB = av_clip(
rc->initialRCQP.qpInterP * fabs(avctx->b_quant_factor) + avctx->b_quant_offset + 0.5, 0, 51);
} else {
rc->initialRCQP.qpInterB = rc->initialRCQP.qpInterP;
}
} else {
rc->initialRCQP.qpInterB = ctx->init_qp_b;
}
}

3
libavcodec/nvenc.h
View File

@ -155,6 +155,9 @@ typedef struct NvencContext
int quality;
int aud;
int bluray_compat;
int init_qp_p;
int init_qp_b;
int init_qp_i;
} NvencContext;
int ff_nvenc_encode_init(AVCodecContext *avctx);

3
libavcodec/nvenc_h264.c
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@ -109,6 +109,9 @@ static const AVOption options[] = {
OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 51, VE },
{ "aud", "Use access unit delimiters", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "bluray-compat", "Bluray compatibility workarounds", OFFSET(bluray_compat),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ NULL }
};

3
libavcodec/nvenc_hevc.c
View File

@ -106,6 +106,9 @@ static const AVOption options[] = {
OFFSET(quality), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 51, VE },
{ "aud", "Use access unit delimiters", OFFSET(aud), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "bluray-compat", "Bluray compatibility workarounds", OFFSET(bluray_compat),AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
{ "init_qpP", "Initial QP value for P frame", OFFSET(init_qp_p), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "init_qpB", "Initial QP value for B frame", OFFSET(init_qp_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ "init_qpI", "Initial QP value for I frame", OFFSET(init_qp_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 51, VE },
{ NULL }
};

2
libavcodec/version.h
View File

@ -29,7 +29,7 @@
#define LIBAVCODEC_VERSION_MAJOR 57
#define LIBAVCODEC_VERSION_MINOR 81
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_MICRO 101
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
LIBAVCODEC_VERSION_MINOR, \