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Issue #1820 - Part 7: Check bit depth in WebMDecoder to determine if we support HDR.

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This commit is contained in:
Moonchild 2022-04-27 12:34:59 +00:00 • committed by roytam1
commit c8637cc239
1 changed files with 25 additions and 4 deletions
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29
dom/media/webm/WebMDecoder.cpp
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@ -12,6 +12,7 @@
#include "MediaDecoderStateMachine.h"
#include "WebMDemuxer.h"
#include "WebMDecoder.h"
#include "PDMFactory.h"
#include "VideoUtils.h"
#include "nsContentTypeParser.h"
@ -66,10 +67,30 @@ WebMDecoder::CanHandleMediaType(const nsACString& aMIMETypeExcludingCodecs,
}
// Note: Only accept VP8/VP9 in a video content type, not in an audio
// content type.
if ((isWebMVideo || isMatroskaVideo) &&
(IsVP8CodecString(codec) || IsVP9CodecString(codec))) {
continue;
if (isWebMVideo || isMatroskaVideo) {
UniquePtr<TrackInfo> trackInfo;
if (IsVP9CodecString(codec)) {
trackInfo = CreateTrackInfoWithMIMEType(
NS_LITERAL_CSTRING("video/vp9"));
} else if (IsVP8CodecString(codec)) {
trackInfo = CreateTrackInfoWithMIMEType(
NS_LITERAL_CSTRING("video/vp8"));
}
// If it is vp8 or vp9, check the bit depth.
if (trackInfo) {
uint8_t profile = 0;
uint8_t level = 0;
uint8_t bitDepth = 0;
if (ExtractVPXCodecDetails(codec, profile, level, bitDepth)) {
trackInfo->GetAsVideoInfo()->mBitDepth = bitDepth;
}
// Verify that we have a PDM that supports this bit depth.
RefPtr<PDMFactory> platform = new PDMFactory();
if (!platform->Supports(*trackInfo, nullptr)) {
return false;
}
continue;
}
}
#ifdef MOZ_AV1
if (MediaPrefs::AV1Enabled() && IsAV1CodecString(codec)) {