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lavc/vaapi_encode_h264: disable B frames in baseline profile 

Disable B frames when using baseline/constrained baseline profile,
following H.264 spec Annex A.2.1.

Signed-off-by: Jun Zhao <jun.zhao@intel.com>
Signed-off-by: Yi A Wang <yi.a.wang@intel.com>
Signed-off-by: Mark Thompson <sw@jkqxz.net>
This commit is contained in:
Jun Zhao 2017-01-08 11:01:32 +08:00 committed by Mark Thompson
parent 0ddc24d232
commit b53b3a4f6a
1 changed files with 10 additions and 0 deletions
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10
libavcodec/vaapi_encode_h264.c
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@ -1190,9 +1190,19 @@ static av_cold int vaapi_encode_h264_init(AVCodecContext *avctx)
switch (avctx->profile) {
case FF_PROFILE_H264_CONSTRAINED_BASELINE:
ctx->va_profile = VAProfileH264ConstrainedBaseline;
if (avctx->max_b_frames != 0) {
avctx->max_b_frames = 0;
av_log(avctx, AV_LOG_WARNING, "H.264 constrained baseline profile "
"doesn't support encoding with B frames, disabling them.\n");
}
break;
case FF_PROFILE_H264_BASELINE:
ctx->va_profile = VAProfileH264Baseline;
if (avctx->max_b_frames != 0) {
avctx->max_b_frames = 0;
av_log(avctx, AV_LOG_WARNING, "H.264 baseline profile "
"doesn't support encoding with B frames, disabling them.\n");
}
break;
case FF_PROFILE_H264_MAIN:
ctx->va_profile = VAProfileH264Main;