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fixed m2m buffers messing

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This commit is contained in:
Maxim Devaev
2021-12-17 04:27:48 +03:00
parent 97a1aa04cb
commit 280254e231
1 changed files with 23 additions and 6 deletions
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29
src/ustreamer/m2m.c
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@@ -444,8 +444,13 @@ static int _m2m_encoder_compress_raw(m2m_encoder_s *enc, const frame_s *src, fra
}
uint64_t now = get_now_monotonic_u64();
input_buf.timestamp.tv_sec = now / 1000000;
input_buf.timestamp.tv_usec = now % 1000000;
struct timeval ts = {
.tv_sec = now / 1000000,
.tv_usec = now % 1000000,
};
input_buf.timestamp.tv_sec = ts.tv_sec;
input_buf.timestamp.tv_usec = ts.tv_usec;
input_plane.bytesused = src->used;
input_plane.length = src->used;
if (!enc->dma) {
@@ -463,7 +468,7 @@ static int _m2m_encoder_compress_raw(m2m_encoder_s *enc, const frame_s *src, fra
while (true) {
struct pollfd enc_poll = {enc->fd, POLLIN, 0};
if (poll(&enc_poll, 1, 200) < 0 && errno != EINTR) {
if (poll(&enc_poll, 1, 1000) < 0 && errno != EINTR) {
E_LOG_PERROR("Can't poll encoder");
goto error;
}
@@ -485,12 +490,24 @@ static int _m2m_encoder_compress_raw(m2m_encoder_s *enc, const frame_s *src, fra
E_LOG_DEBUG("Fetching OUTPUT buffer ...");
E_XIOCTL(VIDIOC_DQBUF, &output_buf, "Can't fetch OUTPUT buffer");
frame_set_data(dest, enc->output_bufs[output_buf.index].data, output_plane.bytesused);
dest->key = output_buf.flags & V4L2_BUF_FLAG_KEYFRAME;
bool done = false;
if (ts.tv_sec != output_buf.timestamp.tv_sec || ts.tv_usec != output_buf.timestamp.tv_usec) {
// Енкодер первый раз может выдать буфер с мусором и нулевым таймстампом,
// так что нужно убедиться, что мы читаем выходной буфер, соответствующий
// входному (с тем же таймстампом).
E_LOG_DEBUG("Need to retry OUTPUT buffer due timestamp mismatch");
} else {
frame_set_data(dest, enc->output_bufs[output_buf.index].data, output_plane.bytesused);
dest->key = output_buf.flags & V4L2_BUF_FLAG_KEYFRAME;
done = true;
}
E_LOG_DEBUG("Releasing OUTPUT buffer index=%u ...", output_buf.index);
E_XIOCTL(VIDIOC_QBUF, &output_buf, "Can't release OUTPUT buffer index=%u", output_buf.index);
break;
if (done) {
break;
}
}
}