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vaapi_encode: Check packed header capabilities

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This improves behaviour with drivers which do not support packed
headers, such as AMD VCE on mesa/gallium.
This commit is contained in:
Mark Thompson
2016-09-18 14:59:59 +01:00
parent 80a5d05108
commit 892bbbcdc1
5 changed files with 54 additions and 7 deletions
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15
libavcodec/vaapi_encode_mjpeg.c
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@@ -345,6 +345,17 @@ static av_cold int vaapi_encode_mjpeg_configure(AVCodecContext *avctx)
return AVERROR(EINVAL);
}
// Hack: the implementation calls the JPEG image header (which we
// will use in the same way as a slice header) generic "raw data".
// Therefore, if after the packed header capability check we have
// PACKED_HEADER_RAW_DATA available, rewrite it as
// PACKED_HEADER_SLICE so that the header-writing code can do the
// right thing.
if (ctx->va_packed_headers & VA_ENC_PACKED_HEADER_RAW_DATA) {
ctx->va_packed_headers &= ~VA_ENC_PACKED_HEADER_RAW_DATA;
ctx->va_packed_headers |= VA_ENC_PACKED_HEADER_SLICE;
}
vaapi_encode_mjpeg_init_tables(avctx);
return 0;
@@ -380,6 +391,10 @@ static av_cold int vaapi_encode_mjpeg_init(AVCodecContext *avctx)
ctx->va_rc_mode = VA_RC_CQP;
// The JPEG image header - see note above.
ctx->va_packed_headers =
VA_ENC_PACKED_HEADER_RAW_DATA;
ctx->surface_width = FFALIGN(avctx->width, 8);
ctx->surface_height = FFALIGN(avctx->height, 8);