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vaapi_h264: Add -qp option, use it to replace use of -global_quality

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Signed-off-by: Anton Khirnov <anton@khirnov.net>
This commit is contained in:
Mark Thompson 2016-04-12 23:15:40 +01:00 committed by Anton Khirnov
parent 69b06ed428
commit 9629701ce9
1 changed files with 18 additions and 3 deletions
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21
libavcodec/vaapi_encode_h264.c
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@ -115,6 +115,10 @@ typedef struct VAAPIEncodeH264Context {
} hrd_params;
} VAAPIEncodeH264Context;
typedef struct VAAPIEncodeH264Options {
int qp;
} VAAPIEncodeH264Options;
#define vseq_var(name) vseq->name, name
#define vseq_field(name) vseq->seq_fields.bits.name, name
@ -765,8 +769,9 @@ static av_cold int vaapi_encode_h264_init_fixed_qp(AVCodecContext *avctx)
{
VAAPIEncodeContext *ctx = avctx->priv_data;
VAAPIEncodeH264Context *priv = ctx->priv_data;
VAAPIEncodeH264Options *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);
@ -895,13 +900,21 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
return ff_vaapi_encode_init(avctx, &vaapi_encode_type_h264);
}
#define OFFSET(x) (offsetof(VAAPIEncodeContext, codec_options_data) + \
offsetof(VAAPIEncodeH264Options, x))
#define FLAGS (AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM)
static const AVOption vaapi_encode_h264_options[] = {
{ "qp", "Constant QP (for P frames; scaled by qfactor/qoffset for I/B)",
OFFSET(qp), AV_OPT_TYPE_INT, { .i64 = 20 }, 0, 52, FLAGS },
{ NULL },
};
static const AVCodecDefault vaapi_encode_h264_defaults[] = {
{ "profile", "100" },
{ "level", "51" },
{ "b", "0" },
{ "bf", "2" },
{ "g", "120" },
{ "global_quality", "20" },
{ "i_qfactor", "1.0" },
{ "i_qoffset", "0.0" },
{ "b_qfactor", "1.2" },
@ -912,6 +925,7 @@ static const AVCodecDefault vaapi_encode_h264_defaults[] = {
static const AVClass vaapi_encode_h264_class = {
.class_name = "h264_vaapi",
.item_name = av_default_item_name,
.option = vaapi_encode_h264_options,
.version = LIBAVUTIL_VERSION_INT,
};
@ -920,7 +934,8 @@ AVCodec ff_h264_vaapi_encoder = {
.long_name = NULL_IF_CONFIG_SMALL("H.264/AVC (VAAPI)"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_H264,
.priv_data_size = sizeof(VAAPIEncodeContext),
.priv_data_size = (sizeof(VAAPIEncodeContext) +
sizeof(VAAPIEncodeH264Options)),
.init = &vaapi_encode_h264_init,
.encode2 = &ff_vaapi_encode2,
.close = &ff_vaapi_encode_close,