diff options
Diffstat (limited to 'src/class')
| -rw-r--r-- | src/class/video/video_device.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/class/video/video_device.c b/src/class/video/video_device.c index 690e64658..a96bee617 100644 --- a/src/class/video/video_device.c +++ b/src/class/video/video_device.c @@ -419,6 +419,8 @@ static bool _update_streaming_parameters(videod_streaming_interface_t const *stm uint_fast32_t interval_ms = interval / 10000; TU_ASSERT(interval_ms); uint_fast32_t payload_size = (frame_size + interval_ms - 1) / interval_ms + 2; + if (CFG_TUD_VIDEO_STREAMING_EP_BUFSIZE < payload_size) + payload_size = CFG_TUD_VIDEO_STREAMING_EP_BUFSIZE; param->dwMaxPayloadTransferSize = payload_size; return true; } @@ -478,10 +480,10 @@ static bool _negotiate_streaming_parameters(videod_streaming_interface_t const * break; default: return false; } - param->bFrameIndex = (uint8_t) frmnum; + param->bFrameIndex = (uint8_t)frmnum; /* Set the parameters determined by the frame */ tusb_desc_cs_video_frm_uncompressed_t const *frm = _find_desc_frame(tu_desc_next(fmt), end, frmnum); - param->dwMaxVideoFrameSize = (uint32_t) (frm->wWidth * frm->wHeight * fmt->bBitsPerPixel / 8); + param->dwMaxVideoFrameSize = (uint32_t)(frm->wWidth * frm->wHeight * fmt->bBitsPerPixel / 8); return true; } @@ -536,11 +538,15 @@ static bool _negotiate_streaming_parameters(videod_streaming_interface_t const * param->dwMaxPayloadTransferSize = 0; } else { uint_fast32_t frame_size = param->dwMaxVideoFrameSize; + uint_fast32_t payload_size; if (!interval_ms) { - param->dwMaxPayloadTransferSize = frame_size + 2; + payload_size = frame_size + 2; } else { - param->dwMaxPayloadTransferSize = (frame_size + interval_ms - 1) / interval_ms + 2; + payload_size = (frame_size + interval_ms - 1) / interval_ms + 2; } + if (CFG_TUD_VIDEO_STREAMING_EP_BUFSIZE < payload_size) + payload_size = CFG_TUD_VIDEO_STREAMING_EP_BUFSIZE; + param->dwMaxPayloadTransferSize = payload_size; } return true; } |