}
char buf[256];
- snprintf(buf, sizeof(buf), "Card %d: Bus %03u Device %03u %s",
+ snprintf(buf, sizeof(buf), "USB card %d: Bus %03u Device %03u %s",
int(i), found_cards[i].bus, found_cards[i].port, product_name);
if (i == size_t(card_index)) {
*description = buf;
void BMUSBCapture::configure_card()
{
if (video_frame_allocator == nullptr) {
- set_video_frame_allocator(new MallocFrameAllocator(FRAME_SIZE, NUM_QUEUED_VIDEO_FRAMES)); // FIXME: leak.
+ owned_video_frame_allocator.reset(new MallocFrameAllocator(FRAME_SIZE, NUM_QUEUED_VIDEO_FRAMES));
+ set_video_frame_allocator(owned_video_frame_allocator.get());
}
if (audio_frame_allocator == nullptr) {
- set_audio_frame_allocator(new MallocFrameAllocator(65536, NUM_QUEUED_AUDIO_FRAMES)); // FIXME: leak.
+ owned_audio_frame_allocator.reset(new MallocFrameAllocator(65536, NUM_QUEUED_AUDIO_FRAMES));
+ set_audio_frame_allocator(owned_audio_frame_allocator.get());
}
dequeue_thread_should_quit = false;
dequeue_thread = thread(&BMUSBCapture::dequeue_thread_func, this);
exit(1);
}
- libusb_device_handle *devh = open_card(card_index, &description);
+ devh = open_card(card_index, &description);
if (!devh) {
fprintf(stderr, "Error finding USB device\n");
exit(1);
// 0x20 - 720p??
// 0x30 - 576p??
+ update_capture_mode();
+
struct ctrl {
int endpoint;
int request;
{ LIBUSB_ENDPOINT_IN, 214, 16, 0 },
{ LIBUSB_ENDPOINT_IN, 214, 0, 0 },
- // seems to capture on HDMI, clearing the 0x20000000 bit seems to activate 10-bit
- // capture (v210).
- // clearing the 0x08000000 bit seems to change the capture format (other source?)
- // 0x10000000 = analog audio instead of embedded audio, it seems
- // 0x3a000000 = component video? (analog audio)
- // 0x3c000000 = composite video? (analog audio)
- // 0x3e000000 = s-video? (analog audio)
- { LIBUSB_ENDPOINT_OUT, 215, 0, 0x29000000 },
//{ LIBUSB_ENDPOINT_OUT, 215, 0, 0x80000100 },
//{ LIBUSB_ENDPOINT_OUT, 215, 0, 0x09000000 },
{ LIBUSB_ENDPOINT_OUT, 215, 24, 0x73c60001 }, // latch for frame start?
xfr->user_data = this;
//libusb_submit_transfer(xfr);
- audiofp = fopen("audio.raw", "wb");
+ //audiofp = fopen("audio.raw", "wb");
// set up isochronous transfers for audio and video
for (int e = 3; e <= 4; ++e) {
{
assert(video_mode_id == 0); // Matches get_available_video_modes().
}
+
+std::map<uint32_t, std::string> BMUSBCapture::get_available_video_inputs() const
+{
+ return {
+ { 0x00000000, "HDMI/SDI" },
+ { 0x02000000, "Component" },
+ { 0x04000000, "Composite" },
+ { 0x06000000, "S-video" }
+ };
+}
+
+void BMUSBCapture::set_video_input(uint32_t video_input_id)
+{
+ assert((video_input_id & ~0x06000000) == 0);
+ current_video_input = video_input_id;
+ update_capture_mode();
+}
+
+std::map<uint32_t, std::string> BMUSBCapture::get_available_audio_inputs() const
+{
+ return {
+ { 0x00000000, "Embedded" },
+ { 0x10000000, "Analog" }
+ };
+}
+
+void BMUSBCapture::set_audio_input(uint32_t audio_input_id)
+{
+ assert((audio_input_id & ~0x10000000) == 0);
+ current_audio_input = audio_input_id;
+ update_capture_mode();
+}
+
+void BMUSBCapture::update_capture_mode()
+{
+ // clearing the 0x20000000 bit seems to activate 10-bit capture (v210).
+ // clearing the 0x08000000 bit seems to change the capture format (other source?)
+ uint32_t mode = htonl(0x29000000 | current_video_input | current_audio_input);
+
+ int rc = libusb_control_transfer(devh, LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_ENDPOINT_OUT,
+ /*request=*/215, /*value=*/0, /*index=*/0, (unsigned char *)&mode, sizeof(mode), /*timeout=*/0);
+ if (rc < 0) {
+ fprintf(stderr, "Error on setting mode: %s\n", libusb_error_name(rc));
+ exit(1);
+ }
+}