X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=decklink_capture.cpp;h=6dba068fca51108fcbfc3a55050efcc1223880ee;hb=e284d1c7a2e18ee7e4aea082c4a57a3504a0f5e8;hp=21a4e791a747459ed1a4dee6d81cbc5ced55a680;hpb=5db8dd053e02c8fe7ea1ed259dfa6cf33a11f0d3;p=nageru diff --git a/decklink_capture.cpp b/decklink_capture.cpp index 21a4e79..6dba068 100644 --- a/decklink_capture.cpp +++ b/decklink_capture.cpp @@ -20,6 +20,8 @@ #include "bmusb/bmusb.h" #include "decklink_util.h" +#include "flags.h" +#include "v210_converter.h" #define FRAME_SIZE (8 << 20) // 8 MB. @@ -138,6 +140,18 @@ size_t memcpy_interleaved_fastpath(uint8_t *dest1, uint8_t *dest2, const uint8_t #endif // __SSE2__ +BMDPixelFormat pixel_format_to_bmd(PixelFormat pixel_format) +{ + switch (pixel_format) { + case PixelFormat_8BitYCbCr: + return bmdFormat8BitYUV; + case PixelFormat_10BitYCbCr: + return bmdFormat10BitYUV; + default: + assert(false); + } +} + } // namespace DeckLinkCapture::DeckLinkCapture(IDeckLink *card, int card_index) @@ -305,6 +319,14 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( char thread_name[16]; snprintf(thread_name, sizeof(thread_name), "DeckLink_C_%d", card_index); pthread_setname_np(pthread_self(), thread_name); + + sched_param param; + memset(¶m, 0, sizeof(param)); + param.sched_priority = 1; + if (sched_setscheduler(0, SCHED_RR, ¶m) == -1) { + printf("couldn't set realtime priority for DeckLink thread: %s\n", strerror(errno)); + } + if (has_dequeue_callbacks) { dequeue_init_callback(); } @@ -326,10 +348,16 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( if (video_frame) { video_format.has_signal = !(video_frame->GetFlags() & bmdFrameHasNoInputSource); - int width = video_frame->GetWidth(); - int height = video_frame->GetHeight(); + const int width = video_frame->GetWidth(); + const int height = video_frame->GetHeight(); const int stride = video_frame->GetRowBytes(); - assert(stride == width * 2); + const BMDPixelFormat format = video_frame->GetPixelFormat(); + assert(format == pixel_format_to_bmd(current_pixel_format)); + if (global_flags.ten_bit_input) { + assert(stride == int(v210Converter::get_v210_stride(width))); + } else { + assert(stride == width * 2); + } current_video_frame = video_frame_allocator->alloc_frame(); if (current_video_frame.data != nullptr) { @@ -362,6 +390,7 @@ HRESULT STDMETHODCALLTYPE DeckLinkCapture::VideoInputFrameArrived( video_format.width = width; video_format.height = height; + video_format.stride = stride; } } @@ -413,7 +442,7 @@ void DeckLinkCapture::start_bm_capture() if (running) { return; } - if (input->EnableVideoInput(current_video_mode, bmdFormat8BitYUV, supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) { + if (input->EnableVideoInput(current_video_mode, pixel_format_to_bmd(current_pixel_format), supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) { fprintf(stderr, "Failed to set video mode 0x%04x for card %d\n", current_video_mode, card_index); exit(1); } @@ -452,28 +481,38 @@ void DeckLinkCapture::stop_dequeue_thread() void DeckLinkCapture::set_video_mode(uint32_t video_mode_id) { - if (input->PauseStreams() != S_OK) { - fprintf(stderr, "PauseStreams failed\n"); - exit(1); - } - if (input->FlushStreams() != S_OK) { - fprintf(stderr, "FlushStreams failed\n"); - exit(1); + if (running) { + if (input->PauseStreams() != S_OK) { + fprintf(stderr, "PauseStreams failed\n"); + exit(1); + } + if (input->FlushStreams() != S_OK) { + fprintf(stderr, "FlushStreams failed\n"); + exit(1); + } } set_video_mode_no_restart(video_mode_id); - if (input->StartStreams() != S_OK) { - fprintf(stderr, "StartStreams failed\n"); - exit(1); + if (running) { + if (input->StartStreams() != S_OK) { + fprintf(stderr, "StartStreams failed\n"); + exit(1); + } } } +void DeckLinkCapture::set_pixel_format(PixelFormat pixel_format) +{ + current_pixel_format = pixel_format; + set_video_mode(current_video_mode); +} + void DeckLinkCapture::set_video_mode_no_restart(uint32_t video_mode_id) { BMDDisplayModeSupport support; IDeckLinkDisplayMode *display_mode; - if (input->DoesSupportVideoMode(video_mode_id, bmdFormat8BitYUV, /*flags=*/0, &support, &display_mode)) { + if (input->DoesSupportVideoMode(video_mode_id, pixel_format_to_bmd(current_pixel_format), /*flags=*/0, &support, &display_mode)) { fprintf(stderr, "Failed to query display mode for card %d\n", card_index); exit(1); } @@ -491,7 +530,7 @@ void DeckLinkCapture::set_video_mode_no_restart(uint32_t video_mode_id) field_dominance = display_mode->GetFieldDominance(); if (running) { - if (input->EnableVideoInput(video_mode_id, bmdFormat8BitYUV, supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) { + if (input->EnableVideoInput(video_mode_id, pixel_format_to_bmd(current_pixel_format), supports_autodetect ? bmdVideoInputEnableFormatDetection : 0) != S_OK) { fprintf(stderr, "Failed to set video mode 0x%04x for card %d\n", video_mode_id, card_index); exit(1); }