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iOS HW encoder: Enable H264 High profile support

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BUG=webrtc:6337
TBR=tkchin

Review-Url: https://codereview.webrtc.org/2531823002
Cr-Commit-Position: refs/heads/master@{#15249}
This commit is contained in:
magjed
2016-11-25 07:32:29 -08:00
committed by Commit bot
parent bdbc4b7ef5
commit fd34d30579
1 changed files with 14 additions and 4 deletions
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18
webrtc/sdk/objc/Framework/Classes/videotoolboxvideocodecfactory.cc
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@ -24,13 +24,23 @@ namespace webrtc {
VideoToolboxVideoEncoderFactory::VideoToolboxVideoEncoderFactory() {
// Hardware H264 encoding only supported on iOS for now.
#if defined(WEBRTC_IOS)
// TODO(magjed): Push Constrained High profile as well when negotiation is
// ready, http://crbug/webrtc/6337.
cricket::VideoCodec constrained_baseline(cricket::kH264CodecName);
// TODO(magjed): Enumerate actual level instead of using hardcoded level 3.1.
// Level 3.1 is 1280x720@30fps which is enough for now.
const H264::Level level = H264::kLevel3_1;
cricket::VideoCodec constrained_high(cricket::kH264CodecName);
const H264::ProfileLevelId constrained_high_profile(
H264::kProfileConstrainedHigh, level);
constrained_high.SetParam(
cricket::kH264FmtpProfileLevelId,
*H264::ProfileLevelIdToString(constrained_high_profile));
constrained_high.SetParam(cricket::kH264FmtpLevelAsymmetryAllowed, "1");
constrained_high.SetParam(cricket::kH264FmtpPacketizationMode, "1");
supported_codecs_.push_back(constrained_high);
cricket::VideoCodec constrained_baseline(cricket::kH264CodecName);
const H264::ProfileLevelId constrained_baseline_profile(
H264::kProfileConstrainedBaseline, H264::kLevel3_1);
H264::kProfileConstrainedBaseline, level);
constrained_baseline.SetParam(
cricket::kH264FmtpProfileLevelId,
*H264::ProfileLevelIdToString(constrained_baseline_profile));