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Let PCF.GetRtpSenderCapabilities return codecs' scalabilityModes.

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Also move ScalabilityModeToString to api and add RTC_EXPORT so that
Chromium can use it.

Bug: chromium:986069
Change-Id: I5dbbb6de9b14ca20f3ae0630552dcd44595ad5ef
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267780
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Daniel.L (Byoungchan) Lee <daniel.l@hpcnt.com>
Cr-Commit-Position: refs/heads/main@{#37444}
This commit is contained in:
Byoungchan Lee
2022-07-05 21:06:28 +09:00
committed by WebRTC LUCI CQ
parent e1c707c40f
commit a1a7c638ec
29 changed files with 340 additions and 104 deletions
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2
modules/video_coding/codecs/av1/BUILD.gn
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@ -23,6 +23,8 @@ rtc_library("av1_svc_config") {
"../../svc:scalability_structures",
"../../svc:scalable_video_controller",
]
absl_deps = [ "//third_party/abseil-cpp/absl/container:inlined_vector" ]
}
rtc_library("dav1d_decoder") {

11
modules/video_coding/codecs/av1/av1_svc_config.cc
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@ -36,6 +36,17 @@ absl::optional<ScalabilityMode> BuildScalabilityMode(int num_temporal_layers,
}
} // namespace
absl::InlinedVector<ScalabilityMode, kScalabilityModeCount>
LibaomAv1EncoderSupportedScalabilityModes() {
absl::InlinedVector<ScalabilityMode, kScalabilityModeCount> scalability_modes;
for (ScalabilityMode scalability_mode : kAllScalabilityModes) {
if (ScalabilityStructureConfig(scalability_mode) != absl::nullopt) {
scalability_modes.push_back(scalability_mode);
}
}
return scalability_modes;
}
bool LibaomAv1EncoderSupportsScalabilityMode(ScalabilityMode scalability_mode) {
// For libaom AV1, the scalability mode is supported if we can create the
// scalability structure.

6
modules/video_coding/codecs/av1/av1_svc_config.h
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@ -10,10 +10,16 @@
#ifndef MODULES_VIDEO_CODING_CODECS_AV1_AV1_SVC_CONFIG_H_
#define MODULES_VIDEO_CODING_CODECS_AV1_AV1_SVC_CONFIG_H_
#include <vector>
#include "absl/container/inlined_vector.h"
#include "api/video_codecs/video_codec.h"
namespace webrtc {
absl::InlinedVector<ScalabilityMode, kScalabilityModeCount>
LibaomAv1EncoderSupportedScalabilityModes();
bool LibaomAv1EncoderSupportsScalabilityMode(ScalabilityMode scalability_mode);
// Fills `video_codec.spatialLayers` using other members.