62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "http/http.h"
|
|
#include "hw/buffer.h"
|
|
#include "hw/buffer_lock.h"
|
|
#include "hw/buffer_list.h"
|
|
#include "hw/device.h"
|
|
|
|
DEFINE_BUFFER_LOCK(http_h264);
|
|
|
|
static const char *const VIDEO_HEADER = "HTTP/1.0 200 OK\r\n"
|
|
"Access-Control-Allow-Origin: *\r\n"
|
|
"Connection: close\r\n"
|
|
"Content-Type: video/webm;codecs=h264\r\n"
|
|
"\r\n";
|
|
|
|
void http_h264_capture(buffer_t *buf)
|
|
{
|
|
buffer_lock_capture(&http_h264, buf);
|
|
}
|
|
|
|
bool http_h264_needs_buffer()
|
|
{
|
|
return buffer_lock_needs_buffer(&http_h264);
|
|
}
|
|
|
|
void http_video(http_worker_t *worker, FILE *stream)
|
|
{
|
|
bool had_key_frame = false;
|
|
bool requested_key_frame = false;
|
|
int counter = 0;
|
|
fprintf(stream, VIDEO_HEADER);
|
|
|
|
buffer_lock_use(&http_h264, 1);
|
|
|
|
while (!feof(stream)) {
|
|
buffer_t *buf = buffer_lock_get(&http_h264, 3, &counter);
|
|
if (!buf) {
|
|
goto error;
|
|
}
|
|
|
|
if (buf->v4l2_buffer.flags & V4L2_BUF_FLAG_KEYFRAME) {
|
|
had_key_frame = true;
|
|
E_LOG_DEBUG(buf, "Got key frame!");
|
|
}
|
|
|
|
if (had_key_frame) {
|
|
if (!fwrite(buf->start, buf->used, 1, stream)) {
|
|
goto error;
|
|
}
|
|
} else if (!requested_key_frame) {
|
|
device_force_key(buf->buf_list->device);
|
|
requested_key_frame = true;
|
|
}
|
|
buffer_consumed(buf);
|
|
}
|
|
|
|
error:
|
|
buffer_lock_use(&http_h264, -1);
|
|
}
|