Index: webrtc/modules/audio_coding/audio_network_adaptor/bitrate_controller.cc |
diff --git a/webrtc/modules/audio_coding/audio_network_adaptor/bitrate_controller.cc b/webrtc/modules/audio_coding/audio_network_adaptor/bitrate_controller.cc |
index b585ce3ec0870aeecd8f79e80d2901525dc1c2e6..6d6343ceb9e908b12f0720c496c96d0a5cfba9a3 100644 |
--- a/webrtc/modules/audio_coding/audio_network_adaptor/bitrate_controller.cc |
+++ b/webrtc/modules/audio_coding/audio_network_adaptor/bitrate_controller.cc |
@@ -19,9 +19,13 @@ namespace webrtc { |
namespace audio_network_adaptor { |
BitrateController::Config::Config(int initial_bitrate_bps, |
- int initial_frame_length_ms) |
+ int initial_frame_length_ms, |
+ int fl_increase_overhead_offset, |
+ int fl_decrease_overhead_offset) |
: initial_bitrate_bps(initial_bitrate_bps), |
- initial_frame_length_ms(initial_frame_length_ms) {} |
+ initial_frame_length_ms(initial_frame_length_ms), |
+ fl_increase_overhead_offset(fl_increase_overhead_offset), |
+ fl_decrease_overhead_offset(fl_decrease_overhead_offset) {} |
BitrateController::Config::~Config() = default; |
@@ -54,9 +58,11 @@ void BitrateController::MakeDecision(AudioEncoderRuntimeConfig* config) { |
webrtc::field_trial::IsEnabled("WebRTC-SendSideBwe-WithOverhead")); |
if (config->frame_length_ms) |
frame_length_ms_ = *config->frame_length_ms; |
- int overhead_rate_bps = |
- static_cast<int>(*overhead_bytes_per_packet_ * 8 * 1000 / |
- frame_length_ms_); |
+ int offset = config->last_fl_change_increase |
+ ? config_.fl_increase_overhead_offset |
+ : config_.fl_decrease_overhead_offset; |
+ int overhead_rate_bps = static_cast<int>( |
+ (*overhead_bytes_per_packet_ + offset) * 8 * 1000 / frame_length_ms_); |
bitrate_bps_ = std::max(0, *target_audio_bitrate_bps_ - overhead_rate_bps); |
} |
config->bitrate_bps = rtc::Optional<int>(bitrate_bps_); |