Fix AvPlayer startup state

This commit is contained in:
nmzik
2026-09-20 14:23:39 +04:00
parent 102a10f0fe
commit 6b79b7a003
+24 -15
View File
@@ -706,7 +706,7 @@ public:
int Enable(uint32_t id) {
std::scoped_lock lifecycle_lock(lifecycle_mutex);
std::lock_guard state_lock(mutex);
if (!stopped) {
if (state == State::Playing) {
return AVPLAYER_ERROR_OPERATION_FAILED;
}
if (fmt == nullptr || id >= fmt->nb_streams) {
@@ -724,7 +724,7 @@ public:
int Disable(uint32_t id) {
std::scoped_lock lifecycle_lock(lifecycle_mutex);
std::lock_guard state_lock(mutex);
if (!stopped) {
if (state == State::Playing) {
return AVPLAYER_ERROR_OPERATION_FAILED;
}
if (video_id == static_cast<int>(id)) {
@@ -755,9 +755,11 @@ public:
return AVPLAYER_ERROR_OPERATION_FAILED;
}
time = CurrentTimeNoLock();
restart = !stopped;
restart = state == State::Playing;
was_paused = paused;
stopped = true;
if (restart) {
state = State::Ready;
}
}
if (restart) {
StopWorkers();
@@ -778,7 +780,7 @@ public:
int StartImpl(uint64_t ms, bool paused_after_start = false, bool show_seek_frame = false) {
{
std::lock_guard lock(mutex);
stopped = true;
state = State::Ready;
}
StopWorkers();
interrupt_io = false;
@@ -791,14 +793,17 @@ public:
AutoEnable();
}
if (!video_id && !audio_id) {
state = State::Stopped;
return AVPLAYER_ERROR_OPERATION_FAILED;
}
if (!OpenCodecs()) {
ResetNoLock(true);
state = State::Stopped;
return AVPLAYER_ERROR_OPERATION_FAILED;
}
if (!AllocateBuffers()) {
ResetNoLock(true);
state = State::Stopped;
return AVPLAYER_ERROR_NO_MEMORY;
}
SeekNoLock(ms);
@@ -809,12 +814,11 @@ public:
pause_time = clock_start;
seek_video_frame_pending =
paused_after_start && show_seek_frame && video_id.has_value();
stopped = false;
}
if (!StartWorkers()) {
std::lock_guard lock(mutex);
stopped = true;
state = State::Stopped;
ResetNoLock(true);
result = AVPLAYER_ERROR_OPERATION_FAILED;
}
@@ -830,8 +834,8 @@ public:
std::scoped_lock lifecycle_lock(lifecycle_mutex);
{
std::lock_guard lock(mutex);
was_playing_video = !stopped && video_id.has_value();
stopped = true;
was_playing_video = state == State::Playing && video_id.has_value();
state = State::Stopped;
}
StopWorkers();
{
@@ -872,7 +876,8 @@ public:
}
bool Active() const {
std::lock_guard lock(mutex);
return !stopped && !pipeline_failed && !DrainedNoLock();
return state == State::Ready ||
(state == State::Playing && !pipeline_failed && !DrainedNoLock());
}
uint64_t CurrentTime() const {
std::lock_guard lock(mutex);
@@ -888,7 +893,7 @@ public:
return StartImpl(ms, was_paused, true);
}
uint64_t CurrentTimeNoLock() const {
if (stopped) {
if (state != State::Playing) {
return 0;
}
using namespace std::chrono;
@@ -925,7 +930,7 @@ public:
return false;
}
std::lock_guard lock(mutex);
if (stopped || !video_id) {
if (state != State::Playing || !video_id) {
return false;
}
const bool deliver_seek_frame = paused && seek_video_frame_pending;
@@ -966,7 +971,8 @@ public:
return false;
}
std::lock_guard lock(mutex);
if (paused || stopped || !audio_id || trick_speed != AVPLAYER_TRICK_SPEED_NORMAL) {
if (paused || state != State::Playing || !audio_id ||
trick_speed != AVPLAYER_TRICK_SPEED_NORMAL) {
return false;
}
auto frame = audio_frames.TryPop();
@@ -1000,6 +1006,8 @@ public:
}
private:
enum class State { Ready, Playing, Stopped };
bool DrainedNoLock() const {
return demux_eof && video_done && audio_done && video_frames.Empty() &&
audio_frames.Empty();
@@ -1198,6 +1206,7 @@ private:
StopWorkers();
return false;
}
state = State::Playing;
stop_event_sent = false;
return true;
}
@@ -1676,7 +1685,7 @@ private:
std::condition_variable completion_changed;
std::mutex lifecycle_mutex;
mutable std::mutex mutex;
bool stopped = true;
State state = State::Ready;
bool paused = false;
bool seek_video_frame_pending = false;
std::atomic_bool loop {false};
@@ -2029,7 +2038,7 @@ Bool KYTY_SYSV_ABI AvPlayerGetAudioData(AvPlayerInternal* h, AvPlayerFrameInfo*
}
Bool KYTY_SYSV_ABI AvPlayerIsActive(AvPlayerInternal* h) {
PRINT_NAME();
return h != nullptr && h->source != nullptr && h->source->Active() ? 1 : 0;
return h != nullptr && (h->source == nullptr || h->source->Active());
}
uint64_t KYTY_SYSV_ABI AvPlayerCurrentTime(AvPlayerInternal* h) {
PRINT_NAME();