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-rw-r--r--src/bimu/client.c107
-rw-r--r--src/bimu/client.h19
-rw-r--r--src/bimu/handler.h12
-rw-r--r--src/bimu/handlers/codec_client.c4
-rw-r--r--src/bimu/meson.build1
-rw-r--r--src/bimu/server.c60
-rw-r--r--src/bimu/server.h9
-rw-r--r--src/bimu/vcr.c166
-rw-r--r--src/bimu/vcr.h45
9 files changed, 313 insertions, 110 deletions
diff --git a/src/bimu/client.c b/src/bimu/client.c
index c592906..03910ee 100644
--- a/src/bimu/client.c
+++ b/src/bimu/client.c
@@ -15,6 +15,7 @@ static void data_connection_callback(void *userdata, struct aki_packet_stream *s
aki_packet_write_u8(packet, BIMU_CONNECTION_DATA);
aki_packet_write_u16(packet, client->connection_id);
aki_packet_write_u16(packet, client->node_id);
+ aki_packet_write_u64(packet, client->seek_pos);
aki_packet_stream_send_packet(&client->data, packet);
}
@@ -22,62 +23,35 @@ static void send_reconnect_packet(struct bmu_client *client)
{
struct aki_packet *packet = aki_packet_create();
aki_packet_write_u8(packet, BIMU_CONTROL_RECONNECT);
+ aki_packet_write_u32(packet, client->level);
aki_packet_stream_send_packet(&client->control, packet);
}
-static void flush_streams(struct bmu_client *client)
+static void cleanup_connection_internal(struct bmu_client *client)
{
- struct bmu_client_stream *stream;
- al_array_foreach(client->streams, i, stream) {
- stream->client->flush(stream->client);
- }
+ client->callback(client->userdata, BIMU_CLIENT_CLOSED, NULL, NULL);
}
static void data_connection_closed_callback(void *userdata, struct aki_packet_stream *stream)
{
struct bmu_client *client = (struct bmu_client *)userdata;
(void)stream;
+ if (client->closed) {
+ if (!client->control.connected) cleanup_connection_internal(client);
+ return;
+ }
aki_packet_stream_free(&client->data);
client->callback(client->userdata, BIMU_CLIENT_REMOVE_BUFFERS, NULL, NULL);
- flush_streams(client);
+ bmu_vcr_flush(&client->vcr);
send_reconnect_packet(client);
}
-static struct bmu_client_stream *stream_from_index(struct bmu_client *client, s32 index)
-{
- struct bmu_client_stream *stream;
- al_array_foreach(client->streams, i, stream) {
- if (stream->index == index) return stream;
- }
- return NULL;
-}
-
-static void handle_data_packet_internal(struct bmu_client *client, struct aki_packet *packet)
-{
- struct bmu_client_stream *stream;
- switch (aki_packet_read_u8(packet)) {
- case BIMU_PACKET_DATA:
- stream = stream_from_index(client, aki_packet_read_s32(packet));
- stream->client->handle_data_packet(stream->client, packet);
- break;
- case BIMU_PACKET_EOF:
- al_array_foreach(client->streams, i, stream) {
- stream->client->handle_eof(stream->client);
- }
- break;
- case BIMU_PACKET_ERROR:
- al_log_warn("bimu", "Unhandled error packet.");
- break;
- }
-}
-
static void data_packet_callback(void *userdata, struct aki_packet_stream *stream,
struct aki_packet *packet)
{
struct bmu_client *client = (struct bmu_client *)userdata;
(void)stream;
- handle_data_packet_internal(client, packet);
- aki_packet_free(packet);
+ bmu_vcr_push_packet(&client->vcr, packet);
}
static void packet_sent_callback(void *userdata, struct aki_packet *packet)
@@ -106,8 +80,14 @@ static void control_connection_callback(void *userdata, struct aki_packet_stream
static void control_connection_closed_callback(void *userdata, struct aki_packet_stream *stream)
{
- (void)userdata;
+ struct bmu_client *client = (struct bmu_client *)userdata;
(void)stream;
+ if (client->closed) {
+ if (!client->data.connected) cleanup_connection_internal(client);
+ return;
+ }
+ aki_packet_stream_free(&client->control);
+ // TODO: Reconnect.
}
static void parse_info_packet(struct bmu_client *client, struct aki_packet *packet)
@@ -115,7 +95,7 @@ static void parse_info_packet(struct bmu_client *client, struct aki_packet *pack
client->duration = aki_packet_read_u64(packet);
u32 count = aki_packet_read_u32(packet);
for (u32 i = 0; i < count; i++) {
- struct bmu_client_stream *stream = al_alloc_object(struct bmu_client_stream);
+ struct bmu_vcr_stream *stream = al_alloc_object(struct bmu_vcr_stream);
stream->client = bmu_codec_client_create();
stream->client->callback = client->callback;
stream->client->userdata = client->userdata;
@@ -154,7 +134,7 @@ static void parse_info_packet(struct bmu_client *client, struct aki_packet *pack
}
if (!stream->client->init(stream->client, NULL, stream)) {
}
- al_array_push(client->streams, stream);
+ bmu_vcr_add_stream(&client->vcr, stream);
}
}
@@ -172,26 +152,12 @@ static void send_subscribe_packet(struct bmu_client *client)
static void parse_start_packet(struct bmu_client *client, struct aki_packet *packet)
{
- u64 seek_pos = aki_packet_read_u64(packet);
u64 ts = aki_packet_read_u64(packet);
- u8 paused = aki_packet_read_u8(packet);
- (void)paused;
- struct bmu_seek_req req = {
- .base = seek_pos,
- .start = ts
- };
- client->callback(client->userdata, BIMU_CLIENT_SET, NULL, &req);
-}
-
-static void parse_resume_packet(struct bmu_client *client, struct aki_packet *packet)
-{
+ u64 delay = aki_packet_read_u64(packet);
u64 seek_pos = aki_packet_read_u64(packet);
- u64 ts = aki_packet_read_u64(packet);
- struct bmu_seek_req req = {
- .base = seek_pos,
- .start = ts
- };
+ struct bmu_seek_req req = { .base = seek_pos, .ts = ts, .delay = delay };
client->callback(client->userdata, BIMU_CLIENT_SET, NULL, &req);
+ client->seek_pos = req.base;
}
static void control_packet_callback(void *userdata, struct aki_packet_stream *stream,
@@ -213,9 +179,9 @@ static void control_packet_callback(void *userdata, struct aki_packet_stream *st
case BIMU_CONTROL_PAUSE:
break;
case BIMU_CONTROL_RESUME:
- //parse_resume_packet(client, packet);
break;
case BIMU_CONTROL_SEEK:
+ client->level = 0;
client->corked = false;
aki_packet_stream_disconnect(&client->data);
break;
@@ -232,19 +198,22 @@ void bmu_client_connect(struct bmu_client *client, struct aki_event_loop *loop,
client->node_id = node_id;
al_str_clone(&client->addr, addr);
client->port = port;
+ client->level = 0;
client->corked = false;
al_array_init(client->subscribed);
- al_array_init(client->streams);
+ bmu_vcr_init(&client->vcr, client->loop, &client->data);
aki_packet_stream_init(&client->control, AKI_SOCKET_TCP, control_connection_callback,
control_connection_closed_callback, control_packet_callback, packet_sent_callback, client);
+ aki_packet_stream_set_no_delay(&client->control, 1);
aki_packet_stream_connect(&client->control, client->loop, &client->addr, client->port);
}
-void bmu_client_cork(struct bmu_client *client, bool cork)
+void bmu_client_reseek(struct bmu_client *client)
{
- if (cork == client->corked) return;
- aki_packet_stream_cork(&client->data, cork);
- client->corked = cork;
+ client->level++;
+ al_log_debug("bimu", "Attempting re-seek at level %i.", client->level);
+ client->corked = false;
+ aki_packet_stream_disconnect(&client->data);
}
void bmu_client_seek(struct bmu_client *client, f64 percent)
@@ -256,8 +225,22 @@ void bmu_client_seek(struct bmu_client *client, f64 percent)
aki_packet_stream_send_packet(&client->control, packet);
}
+void bmu_client_close(struct bmu_client *client)
+{
+ struct bmu_vcr_stream *stream;
+ al_array_foreach(client->vcr.streams, i, stream) {
+ bmu_vcr_stream_close(stream);
+ }
+ client->closed = true;
+ aki_packet_stream_disconnect(&client->control);
+ aki_packet_stream_disconnect(&client->data);
+}
+
void bmu_client_free(struct bmu_client *client)
{
aki_packet_stream_free(&client->control);
aki_packet_stream_free(&client->data);
+ al_str_free(&client->addr);
+ al_array_free(client->subscribed);
+ bmu_vcr_free(&client->vcr);
}
diff --git a/src/bimu/client.h b/src/bimu/client.h
index 8c9803b..db1f9e5 100644
--- a/src/bimu/client.h
+++ b/src/bimu/client.h
@@ -3,14 +3,7 @@
#include <al/types.h>
#include <aki/packet_stream.h>
-#include "../codec/codec.h"
-
-struct bmu_client_stream {
- u8 type;
- s32 index;
- struct camu_stream stream;
- struct bmu_client_handler *client;
-};
+#include "vcr.h"
struct bmu_client {
struct aki_event_loop *loop;
@@ -20,15 +13,19 @@ struct bmu_client {
s32 port;
struct aki_packet_stream control;
struct aki_packet_stream data;
+ bool closed;
+ u32 level;
bool corked;
u64 duration;
+ u64 seek_pos;
array(s32) subscribed;
- array(struct bmu_client_stream *) streams;
- void (*callback)(void *, u8, struct bmu_client_stream *stream, void *);
+ struct bmu_vcr vcr;
+ void (*callback)(void *, u8, struct bmu_vcr_stream *stream, void *);
void *userdata;
};
void bmu_client_connect(struct bmu_client *client, struct aki_event_loop *loop, str *addr, s32 port, u16 node_id);
-void bmu_client_cork(struct bmu_client *client, bool cork);
+void bmu_client_reseek(struct bmu_client *client);
void bmu_client_seek(struct bmu_client *client, f64 percent);
+void bmu_client_close(struct bmu_client *client);
void bmu_client_free(struct bmu_client *client);
diff --git a/src/bimu/handler.h b/src/bimu/handler.h
index 3646dd6..c6b482d 100644
--- a/src/bimu/handler.h
+++ b/src/bimu/handler.h
@@ -5,6 +5,8 @@
#include "../codec/codec.h"
#include "../cache/handle.h"
+#include "vcr.h"
+
struct bmu_server_handler {
bool (*init)(struct bmu_server_handler *, struct cch_handle *, struct aki_packet_pool *);
void (*write_info)(struct bmu_server_handler *, struct aki_packet *);
@@ -32,17 +34,19 @@ enum {
};
struct bmu_seek_req {
- u64 base, start;
+ u64 base;
+ u64 ts;
+ u64 delay;
};
struct bmu_client_stream;
struct bmu_client_handler {
- bool (*init)(struct bmu_client_handler *, struct camu_renderer *, struct bmu_client_stream *);
+ bool (*init)(struct bmu_client_handler *, struct camu_renderer *, struct bmu_vcr_stream *);
void (*handle_data_packet)(struct bmu_client_handler *, struct aki_packet *);
void (*handle_eof)(struct bmu_client_handler *);
void (*flush)(struct bmu_client_handler *);
void (*free)(struct bmu_client_handler **);
- struct bmu_client_stream *stream;
- void (*callback)(void *, u8, struct bmu_client_stream *stream, void *);
+ struct bmu_vcr_stream *stream;
+ void (*callback)(void *, u8, struct bmu_vcr_stream *stream, void *);
void *userdata;
};
diff --git a/src/bimu/handlers/codec_client.c b/src/bimu/handlers/codec_client.c
index 570ef97..79ef27d 100644
--- a/src/bimu/handlers/codec_client.c
+++ b/src/bimu/handlers/codec_client.c
@@ -2,7 +2,7 @@
#include "../../codec/libav/decoder.h"
#include "../../codec/libav/packet_ext.h"
-#include "../../bimu/client.h"
+#include "../../bimu/vcr.h"
#include "codec.h"
@@ -13,7 +13,7 @@ static void data_callback(void *userdata, struct camu_frame *frame)
}
static bool codec_client_init(struct bmu_client_handler *handler, struct camu_renderer *renderer,
- struct bmu_client_stream *stream)
+ struct bmu_vcr_stream *stream)
{
struct bmu_codec_client *codec = (struct bmu_codec_client *)handler;
codec->dec = camu_lav_decoder_create();
diff --git a/src/bimu/meson.build b/src/bimu/meson.build
index dce7f7b..c7de266 100644
--- a/src/bimu/meson.build
+++ b/src/bimu/meson.build
@@ -5,6 +5,7 @@ bimu_server_src = [
bimu_client_src = [
'client.c',
+ 'vcr.c',
'handlers/codec_client.c'
]
diff --git a/src/bimu/server.c b/src/bimu/server.c
index e1aedce..6db0dd2 100644
--- a/src/bimu/server.c
+++ b/src/bimu/server.c
@@ -4,9 +4,7 @@
#include "handlers/codec.h"
#include "server.h"
-
-#define START_DELAY 3000000 // 3s
-#define DELAY_GIVE 200000 // 200ms
+#include "common.h"
static void control_connection_closed_callback(void *userdata, struct aki_packet_stream *stream)
{
@@ -21,6 +19,9 @@ static void control_connection_closed_callback(void *userdata, struct aki_packet
}
aki_packet_stream_free(connection->control);
connection->control = NULL;
+ //cch_entry_return_handle(connection->node->entry, &connection->handle);
+ //connection->handler->free(&connection->handler);
+ //aki_packet_pool_free(&connection->pool);
}
static void data_connection_closed_callback(void *userdata, struct aki_packet_stream *stream)
@@ -81,31 +82,33 @@ static void send_pause_packet(struct bmu_node_connection *connection, u64 seek_p
aki_packet_stream_send_packet(connection->control, packet);
}
-static void send_start_packet(struct bmu_node_connection *connection)
+#define DELAY 275000Lu // 275ms
+#define DELAY_GIVE 30000Lu // 30ms
+
+static void send_start_packet(struct bmu_node_connection *connection, u32 level)
{
struct aki_packet *packet = aki_packet_create();
aki_packet_write_u8(packet, BIMU_CONTROL_START);
- u64 ts = aki_get_timestamp() - START_DELAY;
+ u64 ts = aki_get_timestamp();
+ u64 delay = DELAY * powl(3, level);
u64 seek_pos = connection->node->seek_pos;
- if (!connection->node->paused) {
- if (connection->node->start >= 0) {
+ if (!(connection->node->flags & BIMU_NODE_PAUSED)) {
+ if (connection->node->flags & BIMU_NODE_STARTED) {
if ((ts - DELAY_GIVE) < (u64)connection->node->start) {
+ // Current time is close enough to node start.
ts = connection->node->start;
} else {
- seek_pos += ts - connection->node->start;
+ seek_pos += (ts - connection->node->start) + (delay - DELAY);
}
} else {
+ // Must be set at level 0, this applies for seeks too.
connection->node->start = ts;
+ connection->node->flags |= BIMU_NODE_STARTED;
}
}
- u64 duration = connection->handler->get_duration(connection->handler);
- if (seek_pos > duration) seek_pos = duration;
- // -1 signals to not call seek. We have to distinguish between a seek to 0
- // and the start of a stream.
- connection->seek_pos = seek_pos > 0 ? seek_pos : -1;
- aki_packet_write_u64(packet, seek_pos);
aki_packet_write_u64(packet, ts);
- aki_packet_write_u8(packet, connection->node->paused);
+ aki_packet_write_u64(packet, delay);
+ aki_packet_write_u64(packet, seek_pos);
aki_packet_stream_send_packet(connection->control, packet);
}
@@ -131,11 +134,11 @@ static void control_packet_callback(void *userdata, struct aki_packet_stream *st
for (u32 i = 0; i < count; i++) {
connection->handler->subscribe(connection->handler, aki_packet_read_s32(packet), true);
}
- send_start_packet(connection);
+ send_start_packet(connection, 0);
break;
}
case BIMU_CONTROL_RECONNECT: {
- send_start_packet(connection);
+ send_start_packet(connection, aki_packet_read_u32(packet));
break;
}
case BIMU_CONTROL_TOGGLE_PAUSE: {
@@ -144,13 +147,10 @@ static void control_packet_callback(void *userdata, struct aki_packet_stream *st
u8 paused = connection->paused;
if (paused == BIMU_PLAYING) {
node->seek_pos = pos;
- node->paused = true;
- // If node is paused, start will not be used for new connections.
- // So, set it to -1 and update it on the first resume from any connection.
- node->start = -1;
+ node->flags |= BIMU_NODE_PAUSED;
+ // Update node start?
} else if (paused == BIMU_PAUSED_AND_RUNNING) {
- node->paused = false;
- node->start = aki_get_timestamp() - START_DELAY;
+ node->flags &= ~BIMU_NODE_PAUSED;
}
struct bmu_node_connection *rconnection;
al_array_foreach(node->connections, i, rconnection) {
@@ -180,8 +180,8 @@ static void control_packet_callback(void *userdata, struct aki_packet_stream *st
case BIMU_CONTROL_SEEK: {
u64 pos = aki_packet_read_u64(packet);
connection->node->seek_pos = pos;
- connection->node->start = -1;
- connection->seek_pos = pos;
+ connection->node->flags |= BIMU_NODE_SEEKED;
+ connection->node->flags &= ~BIMU_NODE_STARTED;
send_seek_packet(connection->node);
break;
}
@@ -228,7 +228,8 @@ static aki_thread_result AKI_THREADCALL handler_thread(void *userdata)
static void maybe_start_handler(struct bmu_node_connection *connection)
{
al_assert(!connection->running);
- if (connection->seek_pos >= 0) {
+ // Don't seek to 0 unless NODE_SEEKED is set.
+ if (connection->seek_pos > 0 || (connection->node->flags & BIMU_NODE_SEEKED)) {
connection->handler->seek(connection->handler, connection->seek_pos);
}
connection->running = 1;
@@ -279,7 +280,7 @@ static void identify_packet_callback(void *userdata, struct aki_packet_stream *s
switch (type) {
case BIMU_CONNECTION_CONTROL:
- aki_packet_stream_set_no_delay(stream, true);
+ aki_packet_stream_set_no_delay(stream, 1);
connection->control = stream;
stream->packet_callback = control_packet_callback;
stream->packet_sent_callback = default_packet_sent_callback;
@@ -293,6 +294,7 @@ static void identify_packet_callback(void *userdata, struct aki_packet_stream *s
// (disconnect and reconnect very fast?).
// - Call maybe_cleanup_data in this function?
al_assert(!connection->data);
+ connection->seek_pos = aki_packet_read_u64(packet);
connection->data = stream;
stream->packet_callback = data_packet_callback;
stream->packet_sent_callback = packet_sent_callback;
@@ -339,8 +341,8 @@ u16 bmu_server_create_node(struct bmu_server *server, struct cch_entry *entry)
al_array_push(server->nodes, node);
node->id = al_rand_u16();
node->entry = entry;
- node->paused = false;
- node->start = -1;
+ node->flags = 0;
+ node->start = 0;
node->seek_pos = 0;
node->connection_id = 1;
al_array_init(node->connections);
diff --git a/src/bimu/server.h b/src/bimu/server.h
index 09fed99..20f73c6 100644
--- a/src/bimu/server.h
+++ b/src/bimu/server.h
@@ -7,7 +7,6 @@
#include "../cache/entry.h"
#include "../cache/handle.h"
-#include "common.h"
#include "handler.h"
enum {
@@ -31,10 +30,16 @@ struct bmu_node_connection {
struct aki_thread thread;
};
+enum {
+ BIMU_NODE_STARTED = 1,
+ BIMU_NODE_SEEKED = 1 << 1,
+ BIMU_NODE_PAUSED = 1 << 2
+};
+
struct bmu_node {
u16 id;
struct cch_entry *entry;
- bool paused;
+ u8 flags;
u64 start;
u64 seek_pos;
u16 connection_id;
diff --git a/src/bimu/vcr.c b/src/bimu/vcr.c
new file mode 100644
index 0000000..6c39d86
--- /dev/null
+++ b/src/bimu/vcr.c
@@ -0,0 +1,166 @@
+#include <al/log.h>
+
+#include "vcr.h"
+#include "handler.h"
+
+static void signal_callback(void *userdata)
+{
+ struct bmu_vcr *vcr = (struct bmu_vcr *)userdata;
+ aki_packet_stream_cork(vcr->data, false);
+}
+
+void bmu_vcr_init(struct bmu_vcr *vcr, struct aki_event_loop *loop, struct aki_packet_stream *data)
+{
+ al_array_init(vcr->streams);
+ al_atomic_u64_store(&vcr->count, 0, AL_ATOMIC_RELAXED);
+ vcr->data = data;
+ aki_signal_init(&vcr->signal, signal_callback, vcr);
+ aki_signal_start(&vcr->signal, loop);
+}
+
+static aki_thread_result AKI_THREADCALL vcr_stream_thread(void *userdata)
+{
+ struct bmu_vcr_stream *stream = (struct bmu_vcr_stream *)userdata;
+ struct bmu_vcr *vcr = stream->vcr;
+ do {
+ if (!aki_packet_cache_wait(&stream->cache)) break;
+ struct aki_packet *packet = aki_packet_cache_pop(&stream->cache);
+ if (!packet) {
+ stream->client->handle_eof(stream->client);
+ break;
+ }
+ if (al_atomic_u64_sub(&vcr->count, 1, AL_ATOMIC_RELAXED) < 128 && stream->buffered) {
+ aki_signal_send(&vcr->signal);
+ }
+ if (al_atomic_s32_load(&stream->state, AL_ATOMIC_RELAXED) == BIMU_STREAM_STOPPED) {
+ aki_mutex_lock(&stream->mutex);
+ aki_cond_wait(&stream->cond, &stream->mutex);
+ aki_mutex_unlock(&stream->mutex);
+ }
+ if (al_atomic_s32_load(&stream->state, AL_ATOMIC_RELAXED) == BIMU_STREAM_CLOSED) {
+ aki_packet_free(packet);
+ break;
+ }
+ stream->client->handle_data_packet(stream->client, packet);
+ aki_packet_free(packet);
+ } while (1);
+ return 0;
+}
+
+void bmu_vcr_add_stream(struct bmu_vcr *vcr, struct bmu_vcr_stream *stream)
+{
+ stream->vcr = vcr;
+ aki_cond_init(&stream->cond);
+ aki_mutex_init(&stream->mutex);
+ aki_packet_cache_init(&stream->cache, 256);
+ stream->buffered = false;
+ al_array_push(vcr->streams, stream);
+ al_atomic_s32_store(&stream->state, BIMU_STREAM_RUNNING, AL_ATOMIC_RELAXED);
+}
+
+static struct bmu_vcr_stream *get_stream_from_index(struct bmu_vcr *vcr, s32 index)
+{
+ struct bmu_vcr_stream *stream;
+ al_array_foreach(vcr->streams, i, stream) {
+ if (stream->index == index) return stream;
+ }
+ return NULL;
+}
+
+bool bmu_vcr_push_packet(struct bmu_vcr *vcr, struct aki_packet *packet)
+{
+ struct bmu_vcr_stream *stream;
+ switch (aki_packet_read_u8(packet)) {
+ case BIMU_PACKET_DATA:
+ stream = get_stream_from_index(vcr, aki_packet_read_s32(packet));
+ al_assert(stream);
+ if (!stream->running) {
+ aki_thread_create(&stream->thread, vcr_stream_thread, stream);
+ stream->running = true;
+ }
+ if (!aki_packet_cache_send_packet(&stream->cache, packet)) {
+ aki_packet_free(packet);
+ } else if (al_atomic_u64_add(&vcr->count, 1, AL_ATOMIC_RELAXED) >= 196) {
+ aki_packet_stream_cork(vcr->data, true);
+ al_array_foreach(vcr->streams, i, stream) {
+ stream->buffered = true;
+ }
+ }
+ break;
+ case BIMU_PACKET_EOF:
+ al_array_foreach(vcr->streams, i, stream) {
+ aki_packet_cache_send_packet(&stream->cache, NULL);
+ }
+ aki_packet_free(packet);
+ break;
+ case BIMU_PACKET_ERROR:
+ aki_packet_free(packet);
+ al_log_warn("bimu", "Unhandled error packet.");
+ break;
+ }
+ return true;
+}
+
+static void vcr_stream_close_internal(struct bmu_vcr_stream *stream)
+{
+ al_atomic_s32_store(&stream->state, BIMU_STREAM_CLOSED, AL_ATOMIC_RELAXED);
+ aki_packet_cache_disable(&stream->cache);
+ aki_mutex_lock(&stream->mutex);
+ if (aki_cond_is_waiting(&stream->cond)) {
+ aki_cond_signal(&stream->cond);
+ }
+ aki_mutex_unlock(&stream->mutex);
+ aki_thread_join(&stream->thread);
+ struct aki_packet *packet;
+ while ((packet = aki_packet_cache_pop(&stream->cache))) {
+ aki_packet_free(packet);
+ }
+}
+
+void bmu_vcr_stream_close(struct bmu_vcr_stream *stream)
+{
+ vcr_stream_close_internal(stream);
+}
+
+void bmu_vcr_flush(struct bmu_vcr *vcr)
+{
+ struct bmu_vcr_stream *stream;
+ al_array_foreach(vcr->streams, i, stream) {
+ vcr_stream_close_internal(stream);
+ stream->client->flush(stream->client);
+ aki_packet_cache_enable(&stream->cache);
+ stream->running = false;
+ al_atomic_s32_store(&stream->state, BIMU_STREAM_RUNNING, AL_ATOMIC_RELAXED);
+ }
+ al_atomic_u64_store(&vcr->count, 0, AL_ATOMIC_RELAXED);
+}
+
+void bmu_vcr_stream_cork(struct bmu_vcr_stream *stream)
+{
+ al_atomic_s32_store(&stream->state, BIMU_STREAM_STOPPED, AL_ATOMIC_RELAXED);
+}
+
+void bmu_vcr_stream_uncork(struct bmu_vcr_stream *stream)
+{
+ al_atomic_s32_store(&stream->state, BIMU_STREAM_RUNNING, AL_ATOMIC_RELAXED);
+ aki_mutex_lock(&stream->mutex);
+ if (aki_cond_is_waiting(&stream->cond)) {
+ aki_cond_signal(&stream->cond);
+ }
+ aki_mutex_unlock(&stream->mutex);
+}
+
+void bmu_vcr_free(struct bmu_vcr *vcr)
+{
+ aki_signal_stop(&vcr->signal);
+ struct bmu_vcr_stream *stream;
+ al_array_foreach(vcr->streams, i, stream) {
+ aki_packet_cache_free(&stream->cache);
+ stream->client->free(&stream->client);
+ if (stream->stream.type == CAMU_FFMPEG_COMPAT) {
+ avformat_free_context(stream->stream.av.format_context);
+ }
+ al_free(stream);
+ }
+ al_array_free(vcr->streams);
+}
diff --git a/src/bimu/vcr.h b/src/bimu/vcr.h
new file mode 100644
index 0000000..5a6d8d5
--- /dev/null
+++ b/src/bimu/vcr.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <aki/packet_cache.h>
+#include <al/atomic.h>
+#include <aki/packet_stream.h>
+#include <aki/signal.h>
+
+#include "../codec/codec.h"
+
+enum {
+ BIMU_STREAM_RUNNING = 0,
+ BIMU_STREAM_STOPPED,
+ BIMU_STREAM_CLOSED
+};
+
+struct bmu_vcr_stream {
+ u8 type;
+ s32 index;
+ struct camu_stream stream;
+ struct bmu_client_handler *client;
+ atomic_s32 state;
+ struct aki_packet_cache cache;
+ bool buffered;
+ struct aki_cond cond;
+ struct aki_mutex mutex;
+ bool running;
+ struct aki_thread thread;
+ struct bmu_vcr *vcr;
+};
+
+struct bmu_vcr {
+ array(struct bmu_vcr_stream *) streams;
+ atomic_u64 count;
+ struct aki_packet_stream *data;
+ struct aki_signal signal;
+};
+
+void bmu_vcr_init(struct bmu_vcr *vcr, struct aki_event_loop *loop, struct aki_packet_stream *data);
+void bmu_vcr_add_stream(struct bmu_vcr *vcr, struct bmu_vcr_stream *stream);
+bool bmu_vcr_push_packet(struct bmu_vcr *vcr, struct aki_packet *packet);
+void bmu_vcr_stream_close(struct bmu_vcr_stream *stream);
+void bmu_vcr_flush(struct bmu_vcr *vcr);
+void bmu_vcr_stream_cork(struct bmu_vcr_stream *stream);
+void bmu_vcr_stream_uncork(struct bmu_vcr_stream *stream);
+void bmu_vcr_free(struct bmu_vcr *vcr);
generated by cgit v1.2.3-101-g0448 (git 2.54.0) at 2026-07-25 18:38:16 +0000