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author | Deti Fliegl <deti@fliegl.de> | 2014-09-22 01:39:50 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-09-22 01:39:50 +0200 |
commit | a5e040ee3c757f4673e3c7202e823490593f21d7 (patch) | |
tree | 2f50e968b94ee3af5ae8ecbfb7249d8d582ae186 /libavdevice/decklink_enc.cpp | |
parent | 56b8d106769c5c5f9174dcc426f1ee2f991428b1 (diff) | |
download | ffmpeg-streaming-a5e040ee3c757f4673e3c7202e823490593f21d7.zip ffmpeg-streaming-a5e040ee3c757f4673e3c7202e823490593f21d7.tar.gz |
avdevice/decklink: move general code of decklink encoder to common file
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavdevice/decklink_enc.cpp')
-rw-r--r-- | libavdevice/decklink_enc.cpp | 198 |
1 files changed, 18 insertions, 180 deletions
diff --git a/libavdevice/decklink_enc.cpp b/libavdevice/decklink_enc.cpp index 3d7cbe2..6c5450f 100644 --- a/libavdevice/decklink_enc.cpp +++ b/libavdevice/decklink_enc.cpp @@ -20,13 +20,6 @@ */ #include <DeckLinkAPI.h> -#ifdef _WIN32 -#include <DeckLinkAPI_i.c> -typedef unsigned long buffercount_type; -#else -#include <DeckLinkAPIDispatch.cpp> -typedef uint32_t buffercount_type; -#endif #include <pthread.h> #include <semaphore.h> @@ -37,44 +30,9 @@ extern "C" { #include "libavutil/imgutils.h" } +#include "decklink_common.h" #include "decklink_enc.h" -class decklink_callback; - -struct decklink_ctx { - /* DeckLink SDK interfaces */ - IDeckLink *dl; - IDeckLinkOutput *dlo; - decklink_callback *callback; - - /* DeckLink mode information */ - IDeckLinkDisplayModeIterator *itermode; - BMDTimeValue bmd_tb_den; - BMDTimeValue bmd_tb_num; - BMDDisplayMode bmd_mode; - int bmd_width; - int bmd_height; - - /* Streams present */ - int audio; - int video; - - /* Status */ - int playback_started; - int64_t last_pts; - - /* Options */ - int list_devices; - int list_formats; - double preroll; - - int frames_preroll; - int frames_buffer; - - sem_t semaphore; - - int channels; -}; /* DeckLink callback class declaration */ class decklink_frame : public IDeckLinkVideoFrame @@ -109,7 +67,7 @@ private: int _refs; }; -class decklink_callback : public IDeckLinkVideoOutputCallback +class decklink_output_callback : public IDeckLinkVideoOutputCallback { public: virtual HRESULT STDMETHODCALLTYPE ScheduledFrameCompleted(IDeckLinkVideoFrame *_frame, BMDOutputFrameCompletionResult result) @@ -130,99 +88,6 @@ public: virtual ULONG STDMETHODCALLTYPE Release(void) { return 1; } }; -#ifdef _WIN32 -static IDeckLinkIterator *CreateDeckLinkIteratorInstance(void) -{ - IDeckLinkIterator *iter; - - if (CoInitialize(NULL) != S_OK) { - av_log(NULL, AV_LOG_ERROR, "COM initialization failed.\n"); - return NULL; - } - - if (CoCreateInstance(CLSID_CDeckLinkIterator, NULL, CLSCTX_ALL, - IID_IDeckLinkIterator, (void**) &iter) != S_OK) { - av_log(NULL, AV_LOG_ERROR, "DeckLink drivers not installed.\n"); - return NULL; - } - - return iter; -} -#endif - -/* free() is needed for a string returned by the DeckLink SDL. */ -#undef free - -#ifdef _WIN32 -static char *dup_wchar_to_utf8(wchar_t *w) -{ - char *s = NULL; - int l = WideCharToMultiByte(CP_UTF8, 0, w, -1, 0, 0, 0, 0); - s = (char *) av_malloc(l); - if (s) - WideCharToMultiByte(CP_UTF8, 0, w, -1, s, l, 0, 0); - return s; -} -#define DECKLINK_STR OLECHAR * -#define DECKLINK_STRDUP dup_wchar_to_utf8 -#else -#define DECKLINK_STR const char * -#define DECKLINK_STRDUP av_strdup -#endif - -static HRESULT IDeckLink_GetDisplayName(IDeckLink *This, const char **displayName) -{ - DECKLINK_STR tmpDisplayName; - HRESULT hr = This->GetDisplayName(&tmpDisplayName); - if (hr != S_OK) - return hr; - *displayName = DECKLINK_STRDUP(tmpDisplayName); - free((void *) tmpDisplayName); - return hr; -} - -static int decklink_set_format(struct decklink_ctx *ctx, - int width, int height, - int tb_num, int tb_den) -{ - BMDDisplayModeSupport support; - IDeckLinkDisplayMode *mode; - - if (tb_num == 1) { - tb_num *= 1000; - tb_den *= 1000; - } - ctx->bmd_mode = bmdModeUnknown; - while ((ctx->bmd_mode == bmdModeUnknown) && ctx->itermode->Next(&mode) == S_OK) { - BMDTimeValue bmd_tb_num, bmd_tb_den; - int bmd_width = mode->GetWidth(); - int bmd_height = mode->GetHeight(); - - mode->GetFrameRate(&bmd_tb_num, &bmd_tb_den); - - if (bmd_width == width && bmd_height == height && - bmd_tb_num == tb_num && bmd_tb_den == tb_den) { - ctx->bmd_mode = mode->GetDisplayMode(); - ctx->bmd_width = bmd_width; - ctx->bmd_height = bmd_height; - ctx->bmd_tb_den = bmd_tb_den; - ctx->bmd_tb_num = bmd_tb_num; - } - - mode->Release(); - } - if (ctx->bmd_mode == bmdModeUnknown) - return -1; - if (ctx->dlo->DoesSupportVideoMode(ctx->bmd_mode, bmdFormat8BitYUV, - bmdVideoOutputFlagDefault, - &support, NULL) != S_OK) - return -1; - if (support == bmdDisplayModeSupported) - return 0; - - return -1; -} - static int decklink_setup_video(AVFormatContext *avctx, AVStream *st) { struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data; @@ -239,7 +104,7 @@ static int decklink_setup_video(AVFormatContext *avctx, AVStream *st) " Only AV_PIX_FMT_UYVY422 is supported.\n"); return -1; } - if (decklink_set_format(ctx, c->width, c->height, + if (ff_decklink_set_format(avctx, c->width, c->height, c->time_base.num, c->time_base.den)) { av_log(avctx, AV_LOG_ERROR, "Unsupported video size or framerate!" " Check available formats with -list_formats 1.\n"); @@ -252,8 +117,8 @@ static int decklink_setup_video(AVFormatContext *avctx, AVStream *st) } /* Set callback. */ - ctx->callback = new decklink_callback(); - ctx->dlo->SetScheduledFrameCompletionCallback(ctx->callback); + ctx->output_callback = new decklink_output_callback(); + ctx->dlo->SetScheduledFrameCompletionCallback(ctx->output_callback); /* Start video semaphore. */ ctx->frames_preroll = c->time_base.den * ctx->preroll; @@ -333,8 +198,8 @@ av_cold int ff_decklink_write_trailer(AVFormatContext *avctx) if (ctx->dl) ctx->dl->Release(); - if (ctx->callback) - delete ctx->callback; + if (ctx->output_callback) + delete ctx->output_callback; sem_destroy(&ctx->semaphore); @@ -450,6 +315,7 @@ av_cold int ff_decklink_write_header(AVFormatContext *avctx) { struct decklink_cctx *cctx = (struct decklink_cctx *) avctx->priv_data; struct decklink_ctx *ctx; + IDeckLinkDisplayModeIterator *itermode; IDeckLinkIterator *iter; IDeckLink *dl = NULL; unsigned int n; @@ -470,22 +336,14 @@ av_cold int ff_decklink_write_header(AVFormatContext *avctx) /* List available devices. */ if (ctx->list_devices) { - av_log(avctx, AV_LOG_INFO, "Blackmagic DeckLink devices:\n"); - while (iter->Next(&dl) == S_OK) { - const char *displayName; - IDeckLink_GetDisplayName(dl, &displayName); - av_log(avctx, AV_LOG_INFO, "\t'%s'\n", displayName); - av_free((void *) displayName); - dl->Release(); - } - iter->Release(); + ff_decklink_list_devices(avctx); return AVERROR_EXIT; } /* Open device. */ while (iter->Next(&dl) == S_OK) { const char *displayName; - IDeckLink_GetDisplayName(dl, &displayName); + ff_decklink_get_display_name(dl, &displayName); if (!strcmp(avctx->filename, displayName)) { av_free((void *) displayName); ctx->dl = dl; @@ -508,40 +366,20 @@ av_cold int ff_decklink_write_header(AVFormatContext *avctx) return AVERROR(EIO); } - if (ctx->dlo->GetDisplayModeIterator(&ctx->itermode) != S_OK) { - av_log(avctx, AV_LOG_ERROR, "Could not get Display Mode Iterator\n"); - ctx->dl->Release(); - return AVERROR(EIO); - } - /* List supported formats. */ if (ctx->list_formats) { - IDeckLinkDisplayMode *mode; - - av_log(avctx, AV_LOG_INFO, "Supported formats for '%s':\n", - avctx->filename); - while (ctx->itermode->Next(&mode) == S_OK) { - BMDTimeValue tb_num, tb_den; - mode->GetFrameRate(&tb_num, &tb_den); - av_log(avctx, AV_LOG_INFO, "\t%ldx%ld at %d/%d fps", - mode->GetWidth(), mode->GetHeight(), - (int) tb_den, (int) tb_num); - switch (mode->GetFieldDominance()) { - case bmdLowerFieldFirst: - av_log(avctx, AV_LOG_INFO, " (interlaced, lower field first)"); break; - case bmdUpperFieldFirst: - av_log(avctx, AV_LOG_INFO, " (interlaced, upper field first)"); break; - } - av_log(avctx, AV_LOG_INFO, "\n"); - mode->Release(); - } - - ctx->itermode->Release(); + ff_decklink_list_formats(avctx); ctx->dlo->Release(); ctx->dl->Release(); return AVERROR_EXIT; } + if (ctx->dlo->GetDisplayModeIterator(&itermode) != S_OK) { + av_log(avctx, AV_LOG_ERROR, "Could not get Display Mode Iterator\n"); + ctx->dl->Release(); + return AVERROR(EIO); + } + /* Setup streams. */ for (n = 0; n < avctx->nb_streams; n++) { AVStream *st = avctx->streams[n]; @@ -557,7 +395,7 @@ av_cold int ff_decklink_write_header(AVFormatContext *avctx) goto error; } } - ctx->itermode->Release(); + itermode->Release(); return 0; |