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vaapi_encode: Add flag to mark encoders supporting only constant-quality

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And set it for MJPEG.
This commit is contained in:
Mark Thompson
2018-09-23 22:53:00 +01:00
parent a7eda762dc
commit fef2162b6e
3 changed files with 6 additions and 1 deletions
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3
libavcodec/vaapi_encode.c
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@@ -1277,7 +1277,8 @@ static av_cold int vaapi_encode_init_rate_control(AVCodecContext *avctx)
ctx->va_rc_mode = VA_RC_CQP;
return 0;
}
if (avctx->flags & AV_CODEC_FLAG_QSCALE ||
if (ctx->codec->flags & FLAG_CONSTANT_QUALITY_ONLY ||
avctx->flags & AV_CODEC_FLAG_QSCALE ||
avctx->bit_rate <= 0) {
if (rc_attr.value & VA_RC_CQP) {
av_log(avctx, AV_LOG_VERBOSE, "Using constant-quality mode.\n");