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vaapi_h265: Add -qp option, use it to replace use of -global_quality 

Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Mark Thompson 2016-04-12 23:18:53 +01:00 committed by Anton Khirnov
parent f70e462793
commit 92fdea3747
1 changed files with 18 additions and 3 deletions
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21
libavcodec/vaapi_encode_h265.c
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@ -194,6 +194,10 @@ typedef struct VAAPIEncodeH265Context {
} hrd_params;
} VAAPIEncodeH265Context;
typedef struct VAAPIEncodeH265Options {
int qp;
} VAAPIEncodeH265Options;
#define vseq_var(name) vseq->name, name
#define vseq_field(name) vseq->seq_fields.bits.name, name
@ -1201,8 +1205,9 @@ static av_cold int vaapi_encode_h265_init_fixed_qp(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeH265Context *priv = ctx->priv_data;
VAAPIEncodeH265Options *opt = ctx->codec_options;
priv->fixed_qp_p = avctx->global_quality;
priv->fixed_qp_p = opt->qp;
if (avctx->i_quant_factor > 0.0)
priv->fixed_qp_idr = (int)((priv->fixed_qp_p * avctx->i_quant_factor +
avctx->i_quant_offset) + 0.5);
@ -1312,13 +1317,21 @@ static av_cold int vaapi_encode_h265_init(AVCodecContext *avctx)
return ff_vaapi_encode_init(avctx, &vaapi_encode_type_h265);
}
#define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
offsetof(VAAPIEncodeH265Options, x))
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
static const AVOption vaapi_encode_h265_options[] = {
{ "qp", "Constant QP (for P frames; scaled by qfactor/qoffset for I/B)",
OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 25 }, 0, 52, FLAGS },
{ NULL },
};
static const AVCodecDefault vaapi_encode_h265_defaults[] = {
{ "profile", "1" },
{ "level", "51" },
{ "b", "0" },
{ "bf", "2" },
{ "g", "120" },
{ "global_quality", "25" },
{ "i_qfactor", "1.0" },
{ "i_qoffset", "0.0" },
{ "b_qfactor", "1.2" },
@ -1329,6 +1342,7 @@ static const AVCodecDefault vaapi_encode_h265_defaults[] = {
static const AVClass vaapi_encode_h265_class = {
.class_name = "h265_vaapi",
.item_name = av_default_item_name,
.option = vaapi_encode_h265_options,
.version = LIBAVUTIL_VERSION_INT,
};
@ -1337,7 +1351,8 @@ AVCodec ff_hevc_vaapi_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("H.265/HEVC (VAAPI)"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_HEVC,
.priv_data_size = sizeof(VAAPIEncodeContext),
.priv_data_size = (sizeof(VAAPIEncodeContext) +
sizeof(VAAPIEncodeH265Options)),
.init = &vaapi_encode_h265_init,
.encode2 = &ff_vaapi_encode2,
.close = &ff_vaapi_encode_close,