Don't re-randomize picture_id/tl0_pic_idx when re-initializing internal encoders.

TESTED=video_loopback and AppRTCMobile with forced encoder reinits every 30 frames.
BUG=webrtc:7475

Review-Url: https://codereview.webrtc.org/2833493003
Cr-Commit-Position: refs/heads/master@{#17984}
This commit is contained in:
brandtr
2017-05-03 03:25:53 -07:00
committed by Commit bot
parent 4ed18da990
commit 080830c513
16 changed files with 329 additions and 95 deletions

View File

@ -25,6 +25,7 @@
#include "webrtc/base/bind.h"
#include "webrtc/base/checks.h"
#include "webrtc/base/logging.h"
#include "webrtc/base/random.h"
#include "webrtc/base/sequenced_task_checker.h"
#include "webrtc/base/task_queue.h"
#include "webrtc/base/thread.h"
@ -222,7 +223,6 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder {
int height_; // Frame height in pixels.
bool inited_;
bool use_surface_;
uint16_t picture_id_;
enum libyuv::FourCC encoder_fourcc_; // Encoder color space format.
int last_set_bitrate_kbps_; // Last-requested bitrate in kbps.
int last_set_fps_; // Last-requested frame rate.
@ -266,6 +266,7 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder {
// |input_frame_infos_|.
webrtc::VideoRotation output_rotation_; // Last output frame rotation from
// |input_frame_infos_|.
// Frame size in bytes fed to MediaCodec.
int yuv_size_;
// True only when between a callback_->OnEncodedImage() call return a positive
@ -279,7 +280,6 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder {
// VP9 variables to populate codec specific structure.
webrtc::GofInfoVP9 gof_; // Contains each frame's temporal information for
// non-flexible VP9 mode.
uint8_t tl0_pic_idx_;
size_t gof_idx_;
// EGL context - owned by factory, should not be allocated/destroyed
@ -293,6 +293,10 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder {
int frames_received_since_last_key_;
webrtc::VideoCodecMode codec_mode_;
// RTP state.
uint16_t picture_id_;
uint8_t tl0_pic_idx_;
bool sw_fallback_required_;
// All other member variables should be before WeakPtrFactory. Valid only from
@ -324,7 +328,6 @@ MediaCodecVideoEncoder::MediaCodecVideoEncoder(JNIEnv* jni,
"()V"))),
inited_(false),
use_surface_(false),
picture_id_(0),
egl_context_(egl_context),
sw_fallback_required_(false) {
encoder_queue_checker_.Detach();
@ -375,7 +378,10 @@ MediaCodecVideoEncoder::MediaCodecVideoEncoder(JNIEnv* jni,
ALOGW << "MediaCodecVideoEncoder ctor failed.";
ProcessHWError(true /* reset_if_fallback_unavailable */);
}
srand(rtc::Time32());
webrtc::Random random(rtc::TimeMicros());
picture_id_ = random.Rand<uint16_t>() & 0x7FFF;
tl0_pic_idx_ = random.Rand<uint8_t>();
}
int32_t MediaCodecVideoEncoder::InitEncode(
@ -552,10 +558,7 @@ int32_t MediaCodecVideoEncoder::InitEncodeInternal(int width,
input_frame_infos_.clear();
drop_next_input_frame_ = false;
use_surface_ = use_surface;
// TODO(ilnik): Use rand_r() instead to avoid LINT warnings below.
picture_id_ = static_cast<uint16_t>(rand()) & 0x7FFF; // NOLINT
gof_.SetGofInfoVP9(webrtc::TemporalStructureMode::kTemporalStructureMode1);
tl0_pic_idx_ = static_cast<uint8_t>(rand()); // NOLINT
gof_idx_ = 0;
last_frame_received_ms_ = -1;
frames_received_since_last_key_ = kMinKeyFrameInterval;