avplayer: signal when playback ends

This commit is contained in:
nmzik
2026-09-19 22:46:06 +04:00
parent 303a0203b6
commit 35a275e97d
+80 -54
View File
@@ -117,6 +117,13 @@ struct AvPlayerEventReplacement {
void* object_pointer = nullptr;
AvPlayerEventCallback event_callback = nullptr;
};
static void emit_event(AvPlayerEventReplacement event, int32_t id, void* data = nullptr) {
if (event.event_callback != nullptr) {
LOGF("\t event_id = %d\n", id);
event.event_callback(event.object_pointer, id, 0, data);
}
}
struct AvPlayerUri {
const char* name = nullptr;
uint32_t length = 0;
@@ -639,9 +646,9 @@ private:
class Source {
public:
Source(AvPlayerMemAllocator m, AvPlayerFileReplacement f, int32_t video_buffers, bool vdec2,
uint32_t demux_buffer_size)
: mem(m), file(f),
Source(AvPlayerMemAllocator m, AvPlayerFileReplacement f, AvPlayerEventReplacement e,
int32_t video_buffers, bool vdec2, uint32_t demux_buffer_size)
: mem(m), file(f), event(e),
max_video_buffers(std::clamp(video_buffers <= 0 ? 2 : video_buffers, 2, 16)),
use_vdec2(vdec2),
video_packets(
@@ -817,21 +824,26 @@ public:
return result;
}
int Stop() {
std::scoped_lock lifecycle_lock(lifecycle_mutex);
bool was_playing_video = false;
bool was_playing_video = false;
AvPlayerEventReplacement stop_event;
{
std::lock_guard lock(mutex);
was_playing_video = !stopped && video_id.has_value();
stopped = true;
}
StopWorkers();
{
std::lock_guard lock(mutex);
ResetNoLock();
std::scoped_lock lifecycle_lock(lifecycle_mutex);
{
std::lock_guard lock(mutex);
was_playing_video = !stopped && video_id.has_value();
stopped = true;
}
StopWorkers();
{
std::lock_guard lock(mutex);
ResetNoLock();
}
stop_event = TakeStopEvent();
}
if (was_playing_video) {
::printf("AvPlayer video stopped\n");
}
emit_event(stop_event, AVPLAYER_EVENT_STATE_STOP);
return 0;
}
void Pause() {
@@ -860,9 +872,7 @@ public:
}
bool Active() const {
std::lock_guard lock(mutex);
return !stopped && !pipeline_failed &&
(!demux_eof || !video_done || !audio_done || !video_frames.Empty() ||
!audio_frames.Empty());
return !stopped && !pipeline_failed && !DrainedNoLock();
}
uint64_t CurrentTime() const {
std::lock_guard lock(mutex);
@@ -945,6 +955,7 @@ public:
current_video = std::move(*frame);
*out = current_video->info;
RecordLoopBoundary(*current_video);
completion_changed.notify_all();
if (deliver_seek_frame) {
seek_video_frame_pending = false;
}
@@ -976,6 +987,7 @@ public:
current_audio->info.details.audio.language_code, 4);
last_audio_ts = out->time_stamp;
RecordLoopBoundary(*current_audio);
completion_changed.notify_all();
return true;
}
std::optional<int32_t> TakeWarning() {
@@ -988,6 +1000,13 @@ public:
}
private:
bool DrainedNoLock() const {
return demux_eof && video_done && audio_done && video_frames.Empty() &&
audio_frames.Empty();
}
AvPlayerEventReplacement TakeStopEvent() {
return stop_event_sent.exchange(true) ? AvPlayerEventReplacement {} : event;
}
void RecordLoopBoundary(const ReadyFrame& frame) {
if (frame.timestamp_offset > last_output_loop_offset) {
last_output_loop_offset = frame.timestamp_offset;
@@ -1002,23 +1021,17 @@ private:
streamer.reset();
}
void ResetNoLock(bool retain_output_buffers = false) {
std::optional<ReadyFrame> delivered_video;
std::optional<ReadyFrame> delivered_audio;
std::deque<std::unique_ptr<GuestBuffer>> in_flight_video;
if (retain_output_buffers) {
delivered_video = std::move(current_video);
delivered_audio = std::move(current_audio);
in_flight_video = std::move(retired_video);
}
video_packets.Clear();
audio_packets.Clear();
video_frames.Clear();
audio_frames.Clear();
video_buffers.Clear();
audio_buffers.Clear();
retired_video.clear();
current_video.reset();
current_audio.reset();
if (!retain_output_buffers) {
retired_video.clear();
current_video.reset();
current_audio.reset();
}
if (sws != nullptr) {
sws_freeContext(sws);
sws = nullptr;
@@ -1042,9 +1055,6 @@ private:
last_audio_ts = 0;
last_output_loop_offset = 0;
pending_loop_warnings = 0;
current_video = std::move(delivered_video);
current_audio = std::move(delivered_audio);
retired_video = std::move(in_flight_video);
}
void AutoEnable() {
for (uint32_t i = 0; i < fmt->nb_streams; i++) {
@@ -1174,6 +1184,7 @@ private:
return true;
}
bool StartWorkers() {
std::unique_lock lock(mutex);
worker_stop = false;
interrupt_io = false;
pipeline_failed = false;
@@ -1183,20 +1194,26 @@ private:
if ((video_id && !CreateWorker(video_thread, VideoDecoderEntry, "AvPlayerVideoDecoder")) ||
(audio_id && !CreateWorker(audio_thread, AudioDecoderEntry, "AvPlayerAudioDecoder")) ||
!CreateWorker(demux_thread, DemuxEntry, "AvPlayerDemuxer")) {
lock.unlock();
StopWorkers();
return false;
}
stop_event_sent = false;
return true;
}
void NotifyWorkers() {
completion_changed.notify_all();
video_packets.Notify();
audio_packets.Notify();
video_buffers.Notify();
audio_buffers.Notify();
}
void StopWorkers() {
worker_stop = true;
interrupt_io = true;
{
std::lock_guard lock(mutex);
worker_stop = true;
interrupt_io = true;
}
NotifyWorkers();
if (demux_thread != nullptr) {
LibKernel::PthreadJoin(demux_thread, nullptr);
@@ -1212,9 +1229,12 @@ private:
}
}
void FailPipeline() {
pipeline_failed = true;
worker_stop = true;
interrupt_io = true;
{
std::lock_guard lock(mutex);
pipeline_failed = true;
worker_stop = true;
interrupt_io = true;
}
NotifyWorkers();
}
void Demux() {
@@ -1269,6 +1289,13 @@ private:
demux_eof = true;
video_packets.Notify();
audio_packets.Notify();
std::unique_lock lock(mutex);
completion_changed.wait(lock, [&] { return worker_stop || DrainedNoLock(); });
if (!worker_stop) {
const auto stop_event = TakeStopEvent();
lock.unlock();
emit_event(stop_event, AVPLAYER_EVENT_STATE_STOP);
}
}
void VideoDecoder() {
Decoder(video_packets, video_ctx, video_buffers, video_frames, video_done,
@@ -1316,7 +1343,11 @@ private:
break;
}
}
done = true;
{
std::lock_guard lock(mutex);
done = true;
}
completion_changed.notify_all();
}
bool DecodePacket(AVCodecContext* codec, AVPacket* packet, uint64_t timestamp_offset,
WorkQueue<std::unique_ptr<GuestBuffer>>& buffers,
@@ -1607,6 +1638,7 @@ private:
}
AvPlayerMemAllocator mem;
AvPlayerFileReplacement file;
AvPlayerEventReplacement event;
int max_video_buffers = 2;
bool use_vdec2 = false;
AvPlayerSourceType source_type = AvPlayerSourceUnknown;
@@ -1640,6 +1672,8 @@ private:
std::atomic_bool demux_eof {true};
std::atomic_bool video_done {true};
std::atomic_bool audio_done {true};
std::atomic_bool stop_event_sent {true};
std::condition_variable completion_changed;
std::mutex lifecycle_mutex;
mutable std::mutex mutex;
bool stopped = true;
@@ -1673,19 +1707,13 @@ struct AvPlayerInternal {
static bool valid_allocators(const AvPlayerMemAllocator& m) {
return m.allocate && m.deallocate && m.allocate_texture && m.deallocate_texture;
}
static void emit_event(AvPlayerInternal* h, int32_t id, void* data = nullptr) {
if (h != nullptr && h->event.event_callback != nullptr) {
LOGF("\t event_id = %d\n", id);
h->event.event_callback(h->event.object_pointer, id, 0, data);
}
}
static void pump_warnings(AvPlayerInternal* h) {
if (h == nullptr || h->source == nullptr) {
return;
}
while (auto w = h->source->TakeWarning()) {
int32_t warning = *w;
emit_event(h, AVPLAYER_EVENT_WARNING_ID, &warning);
emit_event(h->event, AVPLAYER_EVENT_WARNING_ID, &warning);
}
}
static AvPlayerInternal* create_player(const AvPlayerMemAllocator& mem,
@@ -1713,17 +1741,17 @@ static int add_source(AvPlayerInternal* h, const std::string& filename, AvPlayer
}
bool vdec2 =
h->post_init.video_decoder_init.decoder_type.video_type == AvPlayerVideoDecoderSoftware2;
auto s = std::make_unique<Source>(h->mem, h->file, h->video_buffers, vdec2,
auto s = std::make_unique<Source>(h->mem, h->file, h->event, h->video_buffers, vdec2,
h->post_init.demux_video_buffer_size);
if (auto rc = s->Init(filename, type); rc < 0) {
return rc;
}
h->source = std::move(s);
emit_event(h, AVPLAYER_EVENT_STATE_READY);
emit_event(h->event, AVPLAYER_EVENT_STATE_READY);
if (h->auto_start) {
auto rc = h->source->Start();
if (rc == 0) {
emit_event(h, AVPLAYER_EVENT_STATE_PLAY);
emit_event(h->event, AVPLAYER_EVENT_STATE_PLAY);
}
return rc;
}
@@ -1872,7 +1900,7 @@ int KYTY_SYSV_ABI AvPlayerStart(AvPlayerInternal* h) {
}
auto rc = h->source->Start();
if (rc == 0) {
emit_event(h, AVPLAYER_EVENT_STATE_PLAY);
emit_event(h->event, AVPLAYER_EVENT_STATE_PLAY);
}
return rc;
}
@@ -1887,7 +1915,7 @@ int KYTY_SYSV_ABI AvPlayerStartEx(AvPlayerInternal* h, const void* start_info_ex
: static_cast<const AvPlayerStartInfoEx*>(start_info_ex)->start_time_milliseconds;
auto rc = h->source->Start(ms);
if (rc == 0) {
emit_event(h, AVPLAYER_EVENT_STATE_PLAY);
emit_event(h->event, AVPLAYER_EVENT_STATE_PLAY);
}
return rc;
}
@@ -1896,9 +1924,7 @@ int KYTY_SYSV_ABI AvPlayerStop(AvPlayerInternal* h) {
if (h == nullptr || h->source == nullptr) {
return AVPLAYER_ERROR_INVALID_PARAMS;
}
auto rc = h->source->Stop();
emit_event(h, AVPLAYER_EVENT_STATE_STOP);
return rc;
return h->source->Stop();
}
int KYTY_SYSV_ABI AvPlayerPause(AvPlayerInternal* h) {
PRINT_NAME();
@@ -1906,7 +1932,7 @@ int KYTY_SYSV_ABI AvPlayerPause(AvPlayerInternal* h) {
return AVPLAYER_ERROR_INVALID_PARAMS;
}
h->source->Pause();
emit_event(h, AVPLAYER_EVENT_STATE_PAUSE);
emit_event(h->event, AVPLAYER_EVENT_STATE_PAUSE);
return 0;
}
int KYTY_SYSV_ABI AvPlayerResume(AvPlayerInternal* h) {
@@ -1915,7 +1941,7 @@ int KYTY_SYSV_ABI AvPlayerResume(AvPlayerInternal* h) {
return AVPLAYER_ERROR_INVALID_PARAMS;
}
h->source->Resume();
emit_event(h, AVPLAYER_EVENT_STATE_PLAY);
emit_event(h->event, AVPLAYER_EVENT_STATE_PLAY);
return 0;
}
int KYTY_SYSV_ABI AvPlayerSetLooping(AvPlayerInternal* h, Bool loop) {
@@ -2017,7 +2043,7 @@ int KYTY_SYSV_ABI AvPlayerJumpToTime(AvPlayerInternal* h, uint64_t time_ms) {
auto rc = h->source->Jump(time_ms);
if (rc == 0) {
int32_t w = AVPLAYER_WARNING_JUMP_COMPLETE;
emit_event(h, AVPLAYER_EVENT_WARNING_ID, &w);
emit_event(h->event, AVPLAYER_EVENT_WARNING_ID, &w);
}
return rc;
}