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buffer: queue all keyed packets

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This commit is contained in:
Kamil Trzcinski 2023-02-24 22:09:16 +01:00
parent 19302b93d1
commit 67a43e7bc9
5 changed files with 29 additions and 10 deletions
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1
device/buffer.h
View File

@ -19,6 +19,7 @@ typedef struct buffer_s {
int dma_fd;
struct {
bool is_keyed : 1;
bool is_keyframe : 1;
bool is_last : 1;
} flags;

6
device/buffer_list.c
View File

@ -100,11 +100,7 @@ int buffer_list_set_stream(buffer_list_t *buf_list, bool do_on)
buf_list->streaming = do_on;
if (!do_on) {
ARRAY_FOREACH(buffer_t*, queued_buf, buf_list->queued_bufs, buf_list->n_queued_bufs) {
buffer_consumed(*queued_buf, "stream stop");
*queued_buf = NULL;
}
buf_list->n_queued_bufs = 0;
buffer_list_clear_queue(buf_list);
}
int enqueued = buffer_list_count_enqueued(buf_list);

5
device/buffer_list.h
View File

@ -26,7 +26,7 @@ typedef struct buffer_stats_s {
int frames, dropped;
} buffer_stats_t;
#define MAX_BUFFER_QUEUE 1
#define MAX_BUFFER_QUEUE 4
typedef struct buffer_list_s {
char *name;
@ -64,5 +64,6 @@ buffer_t *buffer_list_find_slot(buffer_list_t *buf_list);
buffer_t *buffer_list_dequeue(buffer_list_t *buf_list);
int buffer_list_count_enqueued(buffer_list_t *buf_list);
int buffer_list_enqueue(buffer_list_t *buf_list, buffer_t *dma_buf);
bool buffer_list_push_to_queue(buffer_list_t *buf_list, buffer_t *dma_buf);
void buffer_list_clear_queue(buffer_list_t *buf_list);
bool buffer_list_push_to_queue(buffer_list_t *buf_list, buffer_t *dma_buf, int max_bufs);
buffer_t *buffer_list_pop_from_queue(buffer_list_t *buf_list);

18
device/buffer_queue.c
View File

@ -197,6 +197,9 @@ buffer_t *buffer_list_dequeue(buffer_list_t *buf_list)
if (buf_list->fmt.format == V4L2_PIX_FMT_H264) {
buffer_update_h264_key_frame(buf);
buf->flags.is_keyed = true;
} else {
buf->flags.is_keyed = false;
}
buf_list->stats.frames++;
@ -211,11 +214,22 @@ int buffer_list_pollfd(buffer_list_t *buf_list, struct pollfd *pollfd, bool can_
return buf_list->dev->hw->buffer_list_pollfd(buf_list, pollfd, can_dequeue);
}
bool buffer_list_push_to_queue(buffer_list_t *buf_list, buffer_t *dma_buf)
void buffer_list_clear_queue(buffer_list_t *buf_list)
{
ARRAY_FOREACH(buffer_t*, queued_buf, buf_list->queued_bufs, buf_list->n_queued_bufs) {
buffer_consumed(*queued_buf, "clear queue");
*queued_buf = NULL;
}
buf_list->n_queued_bufs = 0;
}
bool buffer_list_push_to_queue(buffer_list_t *buf_list, buffer_t *dma_buf, int max_bufs)
{
max_bufs = MIN(max_bufs ? max_bufs : MAX_BUFFER_QUEUE, MAX_BUFFER_QUEUE);
if (buf_list->dev->paused)
return true;
if (buf_list->n_queued_bufs >= MAX_BUFFER_QUEUE)
if (buf_list->n_queued_bufs >= max_bufs)
return false;
buffer_use(dma_buf);

9
device/links.c
View File

@ -11,6 +11,8 @@
#define CAPTURE_TIMEOUT_US (1000*1000)
#define N_FDS 50
#define MAX_QUEUED_ON_KEYED MAX_BUFFER_QUEUE
#define MAX_QUEUED_ON_NON_KEYED 1
#define MAX_CAPTURED_ON_CAMERA 2
#define MAX_CAPTURED_ON_M2M 2
@ -252,11 +254,16 @@ static int links_enqueue_from_capture_list(buffer_list_t *capture_list, link_t *
bool dropped = false;
int max_bufs_queued = buf->flags.is_keyed ? MAX_QUEUED_ON_KEYED : MAX_QUEUED_ON_NON_KEYED;
for (int j = 0; j < link->n_output_lists; j++) {
if (link->output_lists[j]->dev->paused) {
continue;
}
if (!buffer_list_push_to_queue(link->output_lists[j], buf)) {
if (buf->flags.is_keyframe) {
buffer_list_clear_queue(link->output_lists[j]);
}
if (!buffer_list_push_to_queue(link->output_lists[j], buf, max_bufs_queued)) {
dropped = true;
}
}