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vaapi_encode_h264: Set level based on stream if not set by user

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This commit is contained in:
Mark Thompson 2018-09-18 23:30:58 +01:00
parent cc549149d3
commit bb3503164e
2 changed files with 37 additions and 5 deletions
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2
libavcodec/Makefile
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@ -355,7 +355,7 @@ OBJS-$(CONFIG_H264_OMX_ENCODER) += omx.o
OBJS-$(CONFIG_H264_QSV_DECODER) += qsvdec_h2645.o
OBJS-$(CONFIG_H264_QSV_ENCODER) += qsvenc_h264.o
OBJS-$(CONFIG_H264_RKMPP_DECODER) += rkmppdec.o
OBJS-$(CONFIG_H264_VAAPI_ENCODER) += vaapi_encode_h264.o
OBJS-$(CONFIG_H264_VAAPI_ENCODER) += vaapi_encode_h264.o h264_levels.o
OBJS-$(CONFIG_H264_VIDEOTOOLBOX_ENCODER) += videotoolboxenc.o
OBJS-$(CONFIG_H264_V4L2M2M_DECODER) += v4l2_m2m_dec.o
OBJS-$(CONFIG_H264_V4L2M2M_ENCODER) += v4l2_m2m_enc.o

40
libavcodec/vaapi_encode_h264.c
View File

@ -30,6 +30,7 @@
#include "cbs.h"
#include "cbs_h264.h"
#include "h264.h"
#include "h264_levels.h"
#include "h264_sei.h"
#include "internal.h"
#include "vaapi_encode.h"
@ -294,6 +295,7 @@ static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
H264RawPPS *pps = &priv->raw_pps;
VAEncSequenceParameterBufferH264 *vseq = ctx->codec_sequence_params;
VAEncPictureParameterBufferH264 *vpic = ctx->codec_picture_params;
int dpb_frames;
memset(&priv->current_access_unit, 0,
sizeof(priv->current_access_unit));
@ -319,7 +321,32 @@ static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
sps->constraint_set5_flag = ctx->b_per_p == 0;
}
sps->level_idc = avctx->level;
if (ctx->gop_size == 1)
dpb_frames = 0;
else
dpb_frames = 1 + (ctx->b_per_p > 0);
if (avctx->level != FF_LEVEL_UNKNOWN) {
sps->level_idc = avctx->level;
} else {
const H264LevelDescriptor *level;
level = ff_h264_guess_level(sps->profile_idc,
avctx->bit_rate,
priv->mb_width * 16,
priv->mb_height * 16,
dpb_frames);
if (level) {
av_log(avctx, AV_LOG_VERBOSE, "Using level %s.\n", level->name);
if (level->constraint_set3_flag)
sps->constraint_set3_flag = 1;
sps->level_idc = level->level_idc;
} else {
av_log(avctx, AV_LOG_WARNING, "Stream will not conform "
"to any level: using level 6.2.\n");
sps->level_idc = 62;
}
}
sps->seq_parameter_set_id = 0;
sps->chroma_format_idc = 1;
@ -329,8 +356,7 @@ static int vaapi_encode_h264_init_sequence_params(AVCodecContext *avctx)
sps->log2_max_pic_order_cnt_lsb_minus4 =
av_clip(av_log2(ctx->b_per_p + 1) - 2, 0, 12);
sps->max_num_ref_frames =
ctx->gop_size == 1 ? 0 : 1 + (ctx->b_per_p > 0);
sps->max_num_ref_frames = dpb_frames;
sps->pic_width_in_mbs_minus1 = priv->mb_width - 1;
sps->pic_height_in_map_units_minus1 = priv->mb_height - 1;
@ -938,6 +964,12 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
return AVERROR_PATCHWELCOME;
}
if (avctx->level != FF_LEVEL_UNKNOWN && avctx->level & ~0xff) {
av_log(avctx, AV_LOG_ERROR, "Invalid level %d: must fit "
"in 8-bit unsigned integer.\n", avctx->level);
return AVERROR(EINVAL);
}
ctx->desired_packed_headers =
VA_ENC_PACKED_HEADER_SEQUENCE | // SPS and PPS.
VA_ENC_PACKED_HEADER_SLICE | // Slice headers.
@ -1005,7 +1037,7 @@ static const AVOption vaapi_encode_h264_options[] = {
{ "level", "Set level (level_idc)",
OFFSET(level), AV_OPT_TYPE_INT,
{ .i64 = 51 }, 0x00, 0xff, FLAGS, "level" },
{ .i64 = FF_LEVEL_UNKNOWN }, FF_LEVEL_UNKNOWN, 0xff, FLAGS, "level" },
#define LEVEL(name, value) name, NULL, 0, AV_OPT_TYPE_CONST, \
{ .i64 = value }, 0, 0, FLAGS, "level"