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samples: video: tcpserversink: release camera frame as soon as possible

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Release camera frame immediately after video encoding.
Doing so, the frame could be reused by camera for next capture
without waiting for the end of network transmission.

Signed-off-by: Hugues Fruchet <hugues.fruchet@foss.st.com>
This commit is contained in:
Hugues Fruchet
2025-11-17 10:50:02 +01:00
committed by Alberto Escolar
parent 9ebfb206af
commit b0fd7d9665
1 changed files with 14 additions and 6 deletions
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20
samples/drivers/video/tcpserversink/src/main.c
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@@ -471,6 +471,13 @@ int main(void)
#if DT_HAS_CHOSEN(zephyr_videoenc)
encode_frame(vbuf, &vbuf_out);
vbuf->type = VIDEO_BUF_TYPE_INPUT;
ret = video_enqueue(video_dev, vbuf);
if (ret) {
LOG_ERR("Unable to enqueue video buf");
return 0;
}
LOG_INF("Sending compressed frame %d (size=%d bytes)", i++,
vbuf_out->bytesused);
/* Send compressed video buffer to TCP client */
@@ -489,12 +496,6 @@ int main(void)
/* Send video buffer to TCP client */
ret = sendall(client, vbuf->buffer, vbuf->bytesused);
disconnected = ret && ret != -EAGAIN;
#endif
if (disconnected) {
/* client disconnected */
LOG_ERR("TCP: Client disconnected %d", ret);
close(client);
}
vbuf->type = VIDEO_BUF_TYPE_INPUT;
ret = video_enqueue(video_dev, vbuf);
@@ -502,6 +503,13 @@ int main(void)
LOG_ERR("Unable to enqueue video buf");
return 0;
}
#endif
if (disconnected) {
/* client disconnected */
LOG_ERR("TCP: Client disconnected %d", ret);
close(client);
}
} while (!ret && !disconnected);
/* stop capture */