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Fix max payload size to clip at 1023

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This commit is contained in:
kkitayam 2022-10-07 21:30:03 +09:00
parent 3499aa2b21
commit 4be7ffd63f
1 changed files with 10 additions and 4 deletions
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14
src/class/video/video_device.c
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@ -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;
}