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va: basedec: Select the best format of the whole caps

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The current way only selects the best video format from the first
structure of the caps. The caps like:

  video/x-raw(memory:VAMemory),drm-format=(string)NV12;  \
  video/x-raw(memory:VAMemory),format=(string){ NV12, Y210 }

Will just choose NV12 as the result, even the bitstream is 10 bits.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4928>
This commit is contained in:
He Junyan 2023-06-23 20:01:04 +08:00 committed by GStreamer Marge Bot
parent b9ecd4e618
commit 83e307ac96
1 changed files with 16 additions and 2 deletions
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18
subprojects/gst-plugins-bad/sys/va/gstvabasedec.c
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@ -798,6 +798,7 @@ _caps_video_format_from_chroma (GstCaps * caps, GstCapsFeatures * features,
GstCapsFeatures *feats;
GstStructure *structure;
const GValue *format;
GstVideoFormat fmt, ret_fmt = GST_VIDEO_FORMAT_UNKNOWN;
num_structures = gst_caps_get_size (caps);
for (i = 0; i < num_structures; i++) {
@ -806,10 +807,23 @@ _caps_video_format_from_chroma (GstCaps * caps, GstCapsFeatures * features,
continue;
structure = gst_caps_get_structure (caps, i);
format = gst_structure_get_value (structure, "format");
return _find_video_format_from_chroma (format, chroma_type);
fmt = _find_video_format_from_chroma (format, chroma_type);
if (fmt == GST_VIDEO_FORMAT_UNKNOWN)
continue;
/* Record the first valid format as the fallback if we can
not find a better one. */
if (ret_fmt == GST_VIDEO_FORMAT_UNKNOWN)
ret_fmt = fmt;
if (gst_va_chroma_from_video_format (fmt) == chroma_type) {
ret_fmt = fmt;
break;
}
}
return GST_VIDEO_FORMAT_UNKNOWN;
return ret_fmt;
}
static GstVideoFormat