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-rw-r--r--src/class/video/video_device.c13
-rw-r--r--src/class/video/video_device.h3
2 files changed, 14 insertions, 2 deletions
diff --git a/src/class/video/video_device.c b/src/class/video/video_device.c
index b2375def9..bbcfe45d5 100644
--- a/src/class/video/video_device.c
+++ b/src/class/video/video_device.c
@@ -70,6 +70,13 @@ typedef struct TU_ATTR_PACKED {
uint8_t bEntityId;
} tusb_desc_cs_video_entity_itf_t;
+typedef struct TU_ATTR_PACKED {
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint8_t bDescriptorSubtype;
+ uint16_t wMaxTransferSize;
+} tusb_desc_cs_video_vc_ep_t;
+
typedef union {
struct TU_ATTR_PACKED {
uint8_t bLength;
@@ -740,6 +747,9 @@ static bool _close_vc_itf(uint8_t rhport, videod_interface_t *self)
/* The end of the video control interface descriptor. */
void const *end = _end_of_control_descriptor(vc);
if (vc->std.bNumEndpoints != 0) {
+ /* Extend end to cover the standard endpoint and class-specific endpoint descriptors
+ * that follow wTotalLength */
+ end = (uint8_t const*)end + sizeof(tusb_desc_endpoint_t) + sizeof(tusb_desc_cs_video_vc_ep_t);
/* Find the notification endpoint descriptor. */
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_ASSERT(cur < end);
@@ -780,6 +790,9 @@ static bool _open_vc_itf(uint8_t rhport, videod_interface_t *self, uint_fast8_t
if (vc->std.bNumEndpoints != 0) {
/* Support for 1 endpoint only. */
TU_VERIFY(1 == vc->std.bNumEndpoints);
+ /* Extend end to cover the standard endpoint and class-specific endpoint descriptors
+ * that follow wTotalLength */
+ end = (uint8_t const*)end + sizeof(tusb_desc_endpoint_t) + sizeof(tusb_desc_cs_video_vc_ep_t);
/* Find the notification endpoint descriptor. */
cur = _find_desc(cur, end, TUSB_DESC_ENDPOINT);
TU_VERIFY(cur < end);
diff --git a/src/class/video/video_device.h b/src/class/video/video_device.h
index f14555e4f..2750bb2fb 100644
--- a/src/class/video/video_device.h
+++ b/src/class/video/video_device.h
@@ -99,8 +99,7 @@ int tud_video_commit_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx,
* @param[in] stm_idx Destination streaming interface index
* @param[out] payload_buf Payload storage buffer (target buffer for requested data)
* @param[in] payload_size Size of payload_buf (requested data size)
- * @param[in] offset Current byte offset relative to given bufsize from tud_video_n_frame_xfer (framesize)
- * @return video_error_code_t */
+ * @param[in] offset Current byte offset relative to given bufsize from tud_video_n_frame_xfer (framesize) */
void tud_video_prepare_payload_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx, tud_video_payload_request_t* request);
//--------------------------------------------------------------------+