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Write VP9 RTP SS on key frames of each independently coded spatial layer.

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Bug: webrtc:10565
Change-Id: I186ca043268872bacd1dc4a462b67632b74e6510
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/133621
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27703}
This commit is contained in:
Sergey Silkin
2019-04-23 10:09:28 +02:00
committed by Commit Bot
parent c6d1d24de8
commit a323cc027c
2 changed files with 19 additions and 16 deletions
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24
modules/video_coding/codecs/vp9/vp9_impl.cc
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@ -1016,8 +1016,6 @@ void VP9EncoderImpl::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
vp9_info->first_frame_in_picture = first_frame_in_picture_;
vp9_info->flexible_mode = is_flexible_mode_;
vp9_info->ss_data_available =
(pkt.data.frame.flags & VPX_FRAME_IS_KEY) ? true : false;
if (pkt.data.frame.flags & VPX_FRAME_IS_KEY) {
pics_since_key_ = 0;
@ -1031,13 +1029,6 @@ void VP9EncoderImpl::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
// Can't have keyframe with non-zero temporal layer.
RTC_DCHECK(pics_since_key_ != 0 || layer_id.temporal_layer_id == 0);
if (ss_info_needed_ && layer_id.temporal_layer_id == 0 &&
layer_id.spatial_layer_id == 0) {
// Force SS info after the layers configuration has changed.
vp9_info->ss_data_available = true;
ss_info_needed_ = false;
}
RTC_CHECK_GT(num_temporal_layers_, 0);
RTC_CHECK_GT(num_active_spatial_layers_, 0);
if (num_temporal_layers_ == 1) {
@ -1052,9 +1043,6 @@ void VP9EncoderImpl::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
} else {
*spatial_idx = layer_id.spatial_layer_id;
}
if (layer_id.spatial_layer_id != 0) {
vp9_info->ss_data_available = false;
}
// TODO(asapersson): this info has to be obtained from the encoder.
vp9_info->temporal_up_switch = false;
@ -1100,7 +1088,13 @@ void VP9EncoderImpl::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
vp9_info->inter_pic_predicted = (!is_key_pic && vp9_info->num_ref_pics > 0);
if (vp9_info->ss_data_available) {
// Write SS on key frame of independently coded spatial layers and on base
// temporal/spatial layer frame if number of layers changed without issuing
// of key picture (inter-layer prediction is enabled).
const bool is_key_frame = is_key_pic && !vp9_info->inter_layer_predicted;
if (is_key_frame || (ss_info_needed_ && layer_id.temporal_layer_id == 0 &&
layer_id.spatial_layer_id == 0)) {
vp9_info->ss_data_available = true;
vp9_info->spatial_layer_resolution_present = true;
for (size_t i = 0; i < num_active_spatial_layers_; ++i) {
vp9_info->width[i] = codec_.width * svc_params_.scaling_factor_num[i] /
@ -1113,6 +1107,10 @@ void VP9EncoderImpl::PopulateCodecSpecific(CodecSpecificInfo* codec_specific,
} else {
vp9_info->gof.CopyGofInfoVP9(gof_);
}
ss_info_needed_ = false;
} else {
vp9_info->ss_data_available = false;
}
first_frame_in_picture_ = false;