diff options
Diffstat (limited to 'examples/device')
| -rw-r--r-- | examples/device/video_capture/src/main.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/examples/device/video_capture/src/main.c b/examples/device/video_capture/src/main.c index b01830dfe..77ffd7bef 100644 --- a/examples/device/video_capture/src/main.c +++ b/examples/device/video_capture/src/main.c @@ -131,25 +131,25 @@ void tud_resume_cb(void) { #error Demo only supports YUV2 please define CFG_EXAMPLE_VIDEO_DISABLE_MJPEG #endif -void tud_video_prepare_payload_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx, void* payload_buf, size_t payload_size, size_t offset) +void tud_video_prepare_payload_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx, tud_video_payload_request_t* request) { static uint32_t frame_counter = 0; (void)ctl_idx; (void)stm_idx; /* Offset will be zero at the start of a new frame */ - if (!offset) frame_counter++; + if (!request->offset) frame_counter++; - for (size_t buf_pos = 0; buf_pos < payload_size; buf_pos += 2) { + for (size_t buf_pos = 0; buf_pos < request->length; buf_pos += 2) { /* Position within the current line (pixel relative) */ - int line_pos = ((offset + buf_pos)>>1) % FRAME_WIDTH; + int line_pos = ((request->offset + buf_pos)>>1) % FRAME_WIDTH; /* Choose color based on the position and change the table offset every 4 frames */ const uint8_t* color = bar_color[(line_pos/(FRAME_WIDTH / 8) + (frame_counter>>2)) % 8]; /* Copy pixel data for odd or even pixels */ - memcpy(&((uint8_t*)payload_buf)[buf_pos], &color[(line_pos & 1) ? 2 : 0], 2); + memcpy(&((uint8_t*)request->buf)[buf_pos], &color[(line_pos & 1) ? 2 : 0], 2); } } |