* decklink.cpp: BlackMagic DeckLink SDI input module
*****************************************************************************
* Copyright (C) 2010 Steinar H. Gunderson
+ * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
+ * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
*
* Authors: Steinar H. Gunderson <steinar+vlc@gunderson.no>
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#define __STDC_CONSTANT_MACROS 1
#include <DeckLinkAPI.h>
#include <DeckLinkAPIDispatch.cpp>
-static int Open ( vlc_object_t * );
-static void Close( vlc_object_t * );
+static int Open (vlc_object_t *);
+static void Close(vlc_object_t *);
#define CARD_INDEX_TEXT N_("Input card to use")
#define CARD_INDEX_LONGTEXT N_( \
"DeckLink capture card to use, if multiple exist. " \
- "The cards are numbered from 0." )
+ "The cards are numbered from 0.")
#define MODE_TEXT N_("Desired input video mode")
#define MODE_LONGTEXT N_( \
"Desired input video mode for DeckLink captures. " \
"This value should be a FOURCC code in textual " \
- "form, e.g. \"ntsc\"." )
-
-#define CACHING_TEXT N_("Caching value in ms")
-#define CACHING_LONGTEXT N_( \
- "Caching value for DeckLink captures. This " \
- "value should be set in milliseconds." )
+ "form, e.g. \"ntsc\".")
#define AUDIO_CONNECTION_TEXT N_("Audio connection")
#define AUDIO_CONNECTION_LONGTEXT N_( \
"Audio connection to use for DeckLink captures. " \
"Valid choices: embedded, aesebu, analog. " \
- "Leave blank for card default." )
+ "Leave blank for card default.")
#define RATE_TEXT N_("Audio sampling rate in Hz")
#define RATE_LONGTEXT N_( \
"Audio sampling rate (in hertz) for DeckLink captures. " \
- "0 disables audio input." )
+ "0 disables audio input.")
#define CHANNELS_TEXT N_("Number of audio channels")
#define CHANNELS_LONGTEXT N_( \
"Number of input audio channels for DeckLink captures. " \
- "Must be 2, 8 or 16. 0 disables audio input." )
+ "Must be 2, 8 or 16. 0 disables audio input.")
#define VIDEO_CONNECTION_TEXT N_("Video connection")
#define VIDEO_CONNECTION_LONGTEXT N_( \
"Video connection to use for DeckLink captures. " \
"Valid choices: sdi, hdmi, opticalsdi, component, " \
"composite, svideo. " \
- "Leave blank for card default." )
+ "Leave blank for card default.")
static const char *const ppsz_videoconns[] = {
"sdi", "hdmi", "opticalsdi", "component", "composite", "svideo"
N_("SDI"), N_("HDMI"), N_("Optical SDI"), N_("Component"), N_("Composite"), N_("S-video")
};
+static const char *const ppsz_audioconns[] = {
+ "embedded", "aesebu", "analog"
+};
+static const char *const ppsz_audioconns_text[] = {
+ N_("Embedded"), N_("AES/EBU"), N_("Analog")
+};
+
#define ASPECT_RATIO_TEXT N_("Aspect ratio")
-#define ASPECT_RATIO_LONGTEXT N_( \
- "Aspect ratio (4:3, 16:9). Default assumes square pixels." )
+#define ASPECT_RATIO_LONGTEXT N_(\
+ "Aspect ratio (4:3, 16:9). Default assumes square pixels.")
vlc_module_begin ()
- set_shortname( N_("DeckLink") )
- set_description( N_("Blackmagic DeckLink SDI input") )
- set_category( CAT_INPUT )
- set_subcategory( SUBCAT_INPUT_ACCESS )
-
- add_integer( "decklink-card-index", 0,
- CARD_INDEX_TEXT, CARD_INDEX_LONGTEXT, true )
- add_string( "decklink-mode", "pal ",
- MODE_TEXT, MODE_LONGTEXT, true )
- add_integer( "decklink-caching", DEFAULT_PTS_DELAY / 1000,
- CACHING_TEXT, CACHING_LONGTEXT, true )
- add_string( "decklink-audio-connection", 0,
- AUDIO_CONNECTION_TEXT, AUDIO_CONNECTION_LONGTEXT, true )
- add_integer( "decklink-audio-rate", 48000,
- RATE_TEXT, RATE_LONGTEXT, true )
- add_integer( "decklink-audio-channels", 2,
- CHANNELS_TEXT, CHANNELS_LONGTEXT, true )
- add_string( "decklink-video-connection", 0,
- VIDEO_CONNECTION_TEXT, VIDEO_CONNECTION_LONGTEXT, true )
- change_string_list( ppsz_videoconns, ppsz_videoconns_text, 0 )
- add_string( "decklink-aspect-ratio", NULL,
- ASPECT_RATIO_TEXT, ASPECT_RATIO_LONGTEXT, true )
-
- add_shortcut( "decklink" )
- set_capability( "access_demux", 10 )
- set_callbacks( Open, Close )
+ set_shortname(N_("DeckLink"))
+ set_description(N_("Blackmagic DeckLink SDI input"))
+ set_category(CAT_INPUT)
+ set_subcategory(SUBCAT_INPUT_ACCESS)
+
+ add_integer("decklink-card-index", 0,
+ CARD_INDEX_TEXT, CARD_INDEX_LONGTEXT, true)
+ add_string("decklink-mode", "pal ",
+ MODE_TEXT, MODE_LONGTEXT, true)
+ add_string("decklink-audio-connection", 0,
+ AUDIO_CONNECTION_TEXT, AUDIO_CONNECTION_LONGTEXT, true)
+ change_string_list(ppsz_audioconns, ppsz_audioconns_text)
+ add_integer("decklink-audio-rate", 48000,
+ RATE_TEXT, RATE_LONGTEXT, true)
+ add_integer("decklink-audio-channels", 2,
+ CHANNELS_TEXT, CHANNELS_LONGTEXT, true)
+ add_string("decklink-video-connection", 0,
+ VIDEO_CONNECTION_TEXT, VIDEO_CONNECTION_LONGTEXT, true)
+ change_string_list(ppsz_videoconns, ppsz_videoconns_text)
+ add_string("decklink-aspect-ratio", NULL,
+ ASPECT_RATIO_TEXT, ASPECT_RATIO_LONGTEXT, true)
+ add_bool("decklink-tenbits", true, N_("10 bits"), N_("10 bits"), true)
+
+ add_shortcut("decklink")
+ set_capability("access_demux", 10)
+ set_callbacks(Open, Close)
vlc_module_end ()
-static int Control( demux_t *, int, va_list );
+static int Control(demux_t *, int, va_list);
class DeckLinkCaptureDelegate;
struct demux_sys_t
{
- IDeckLink *p_card;
- IDeckLinkInput *p_input;
- DeckLinkCaptureDelegate *p_delegate;
+ IDeckLink *card;
+ IDeckLinkInput *input;
+ DeckLinkCaptureDelegate *delegate;
+
+ /* We need to hold onto the IDeckLinkConfiguration object, or our settings will not apply.
+ See section 2.4.15 of the Blackmagic Decklink SDK documentation. */
+ IDeckLinkConfiguration *config;
- es_out_id_t *p_video_es;
- es_out_id_t *p_audio_es;
+ es_out_id_t *video_es;
+ es_out_id_t *audio_es;
+ es_out_id_t *cc_es;
vlc_mutex_t pts_lock;
- int i_last_pts; /* protected by <pts_lock> */
+ int last_pts; /* protected by <pts_lock> */
- uint32_t i_dominance_flags;
- int i_channels;
+ uint32_t dominance_flags;
+ int channels;
+
+ bool tenbits;
};
class DeckLinkCaptureDelegate : public IDeckLinkInputCallback
{
public:
- DeckLinkCaptureDelegate( demux_t *p_demux ) : p_demux_(p_demux)
+ DeckLinkCaptureDelegate(demux_t *demux) : demux_(demux)
{
- vlc_atomic_set( &m_ref_, 1 );
+ vlc_atomic_set(&m_ref_, 1);
}
- virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, LPVOID *ppv) { return E_NOINTERFACE; }
+ virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID, LPVOID *) { return E_NOINTERFACE; }
virtual ULONG STDMETHODCALLTYPE AddRef(void)
{
- return vlc_atomic_inc( &m_ref_ );
+ return vlc_atomic_inc(&m_ref_);
}
virtual ULONG STDMETHODCALLTYPE Release(void)
{
- uintptr_t new_ref = vlc_atomic_dec( &m_ref_ );
- if ( new_ref == 0 )
+ uintptr_t new_ref = vlc_atomic_dec(&m_ref_);
+ if (new_ref == 0)
delete this;
return new_ref;
}
virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags)
{
- msg_Dbg( p_demux_, "Video input format changed" );
+ msg_Dbg(demux_, "Video input format changed");
return S_OK;
}
private:
vlc_atomic_t m_ref_;
- demux_t *p_demux_;
+ demux_t *demux_;
};
+static inline uint32_t av_le2ne32(uint32_t val)
+{
+ union {
+ uint32_t v;
+ uint8_t b[4];
+ } u;
+ u.v = val;
+ return (u.b[0] << 0) | (u.b[1] << 8) | (u.b[2] << 16) | (u.b[3] << 24);
+}
+
+static void v210_convert(uint16_t *dst, const uint32_t *bytes, const int width, const int height)
+{
+ const int stride = ((width + 47) / 48) * 48 * 8 / 3 / 4;
+ uint16_t *y = &dst[0];
+ uint16_t *u = &dst[width * height * 2 / 2];
+ uint16_t *v = &dst[width * height * 3 / 2];
+
+#define READ_PIXELS(a, b, c) \
+ do { \
+ val = av_le2ne32(*src++); \
+ *a++ = val & 0x3FF; \
+ *b++ = (val >> 10) & 0x3FF; \
+ *c++ = (val >> 20) & 0x3FF; \
+ } while (0)
+
+ for (int h = 0; h < height; h++) {
+ const uint32_t *src = bytes;
+ uint32_t val = 0;
+ int w;
+ for (w = 0; w < width - 5; w += 6) {
+ READ_PIXELS(u, y, v);
+ READ_PIXELS(y, u, y);
+ READ_PIXELS(v, y, u);
+ READ_PIXELS(y, v, y);
+ }
+ if (w < width - 1) {
+ READ_PIXELS(u, y, v);
+
+ val = av_le2ne32(*src++);
+ *y++ = val & 0x3FF;
+ }
+ if (w < width - 3) {
+ *u++ = (val >> 10) & 0x3FF;
+ *y++ = (val >> 20) & 0x3FF;
+
+ val = av_le2ne32(*src++);
+ *v++ = val & 0x3FF;
+ *y++ = (val >> 10) & 0x3FF;
+ }
+
+ bytes += stride;
+ }
+}
+
HRESULT DeckLinkCaptureDelegate::VideoInputFrameArrived(IDeckLinkVideoInputFrame* videoFrame, IDeckLinkAudioInputPacket* audioFrame)
{
- demux_sys_t *p_sys = p_demux_->p_sys;
- block_t *p_video_frame = NULL;
- block_t *p_audio_frame = NULL;
+ demux_sys_t *sys = demux_->p_sys;
- if( videoFrame )
- {
- if( videoFrame->GetFlags() & bmdFrameHasNoInputSource )
- {
- msg_Warn( p_demux_, "No input signal detected" );
+ if (videoFrame) {
+ if (videoFrame->GetFlags() & bmdFrameHasNoInputSource) {
+ msg_Warn(demux_, "No input signal detected");
return S_OK;
}
- const int i_width = videoFrame->GetWidth();
- const int i_height = videoFrame->GetHeight();
- const int i_stride = videoFrame->GetRowBytes();
- const int i_bpp = 2;
+ const int width = videoFrame->GetWidth();
+ const int height = videoFrame->GetHeight();
+ const int stride = videoFrame->GetRowBytes();
- p_video_frame = block_New( p_demux_, i_width * i_height * i_bpp );
- if( !p_video_frame )
- {
- msg_Err( p_demux_, "Could not allocate memory for video frame" );
+ int bpp = sys->tenbits ? 4 : 2;
+ block_t *video_frame = block_Alloc(width * height * bpp);
+ if (!video_frame)
return S_OK;
- }
- void *frame_bytes;
- videoFrame->GetBytes( &frame_bytes );
- for( int y = 0; y < i_height; ++y )
- {
- const uint8_t *src = (const uint8_t *)frame_bytes + i_stride * y;
- uint8_t *dst = p_video_frame->p_buffer + i_width * i_bpp * y;
- memcpy( dst, src, i_width * i_bpp );
- }
+ const uint32_t *frame_bytes;
+ videoFrame->GetBytes((void**)&frame_bytes);
BMDTimeValue stream_time, frame_duration;
- videoFrame->GetStreamTime( &stream_time, &frame_duration, CLOCK_FREQ );
- p_video_frame->i_flags = BLOCK_FLAG_TYPE_I | p_sys->i_dominance_flags;
- p_video_frame->i_pts = p_video_frame->i_dts = VLC_TS_0 + stream_time;
+ videoFrame->GetStreamTime(&stream_time, &frame_duration, CLOCK_FREQ);
+ video_frame->i_flags = BLOCK_FLAG_TYPE_I | sys->dominance_flags;
+ video_frame->i_pts = video_frame->i_dts = VLC_TS_0 + stream_time;
+
+ if (sys->tenbits) {
+ v210_convert((uint16_t*)video_frame->p_buffer, frame_bytes, width, height);
+ IDeckLinkVideoFrameAncillary *vanc;
+ if (videoFrame->GetAncillaryData(&vanc) == S_OK) {
+ for (int i = 1; i < 21; i++) {
+ uint32_t *buf;
+ if (vanc->GetBufferForVerticalBlankingLine(i, (void**)&buf) != S_OK)
+ break;
+ uint16_t dec[width * 2];
+ v210_convert(&dec[0], buf, width, 1);
+ static const uint16_t vanc_header[3] = { 0, 0x3ff, 0x3ff };
+ if (!memcmp(vanc_header, dec, sizeof(vanc_header))) {
+ int len = (dec[5] & 0xff) + 6 + 1;
+ uint16_t vanc_sum = 0;
+ bool parity_ok = true;
+ for (int i = 3; i < len - 1; i++) {
+ uint16_t v = dec[i];
+ int np = v >> 8;
+ int p = parity(v & 0xff);
+ if ((!!p ^ !!(v & 0x100)) || (np != 1 && np != 2)) {
+ parity_ok = false;
+ break;
+ }
+ vanc_sum += v;
+ vanc_sum &= 0x1ff;
+ dec[i] &= 0xff;
+ }
+
+ if (!parity_ok)
+ continue;
+
+ vanc_sum |= ((~vanc_sum & 0x100) << 1);
+ if (dec[len - 1] != vanc_sum)
+ continue;
+
+ if (dec[3] != 0x61 /* DID */ ||
+ dec[4] != 0x01 /* SDID = CEA-708 */)
+ continue;
+
+ /* CDP follows */
+ uint16_t *cdp = &dec[6];
+ if (cdp[0] != 0x96 || cdp[1] != 0x69)
+ continue;
+
+ len -= 7; // remove VANC header and checksum
+
+ if (cdp[2] != len)
+ continue;
+
+ uint8_t cdp_sum = 0;
+ for (int i = 0; i < len - 1; i++)
+ cdp_sum += cdp[i];
+ cdp_sum = cdp_sum ? 256 - cdp_sum : 0;
+ if (cdp[len - 1] != cdp_sum)
+ continue;
+
+ uint8_t rate = cdp[3];
+ if (!(rate & 0x0f))
+ continue;
+ rate >>= 4;
+ if (rate > 8)
+ continue;
+
+ if (!(cdp[4] & 0x43)) /* ccdata_present | caption_service_active | reserved */
+ continue;
+
+ uint16_t hdr = (cdp[5] << 8) | cdp[6];
+ if (cdp[7] != 0x72) /* ccdata_id */
+ continue;
+
+ int cc_count = cdp[8];
+ if (!(cc_count & 0xe0))
+ continue;
+ cc_count &= 0x1f;
+
+ /* FIXME: parse additional data (CC language?) */
+ if ((len - 13) < cc_count * 3)
+ continue;
+
+ if (cdp[len - 4] != 0x74) /* footer id */
+ continue;
+
+ uint16_t ftr = (cdp[len - 3] << 8) | cdp[len - 2];
+ if (ftr != hdr)
+ continue;
+
+ block_t *cc = block_Alloc(cc_count * 3);
+
+ for (int i = 0; i < cc_count; i++) {
+ cc->p_buffer[3*i+0] = cdp[9 + 3*i+0] & 3;
+ cc->p_buffer[3*i+1] = cdp[9 + 3*i+1];
+ cc->p_buffer[3*i+2] = cdp[9 + 3*i+2];
+ }
+
+ cc->i_pts = cc->i_dts = VLC_TS_0 + stream_time;
+
+ if (!sys->cc_es) {
+ es_format_t fmt;
+
+ es_format_Init( &fmt, SPU_ES, VLC_FOURCC('c', 'c', '1' , ' ') );
+ fmt.psz_description = strdup("Closed captions 1");
+ if (fmt.psz_description) {
+ sys->cc_es = es_out_Add(demux_->out, &fmt);
+ msg_Dbg(demux_, "Adding Closed captions stream");
+ }
+ }
+ if (sys->cc_es)
+ es_out_Send(demux_->out, sys->cc_es, cc);
+ else
+ block_Release(cc);
+ break; // we found the line with Closed Caption data
+ }
+ }
+ vanc->Release();
+ }
+ } else {
+ for (int y = 0; y < height; ++y) {
+ const uint8_t *src = (const uint8_t *)frame_bytes + stride * y;
+ uint8_t *dst = video_frame->p_buffer + width * 2 * y;
+ memcpy(dst, src, width * 2);
+ }
+ }
- vlc_mutex_lock( &p_sys->pts_lock );
- if( p_video_frame->i_pts > p_sys->i_last_pts )
- p_sys->i_last_pts = p_video_frame->i_pts;
- vlc_mutex_unlock( &p_sys->pts_lock );
+ vlc_mutex_lock(&sys->pts_lock);
+ if (video_frame->i_pts > sys->last_pts)
+ sys->last_pts = video_frame->i_pts;
+ vlc_mutex_unlock(&sys->pts_lock);
- es_out_Control( p_demux_->out, ES_OUT_SET_PCR, p_video_frame->i_pts );
- es_out_Send( p_demux_->out, p_sys->p_video_es, p_video_frame );
+ es_out_Control(demux_->out, ES_OUT_SET_PCR, video_frame->i_pts);
+ es_out_Send(demux_->out, sys->video_es, video_frame);
}
- if( audioFrame )
- {
- const int i_bytes = audioFrame->GetSampleFrameCount() * sizeof(int16_t) * p_sys->i_channels;
-
- p_audio_frame = block_New( p_demux_, i_bytes );
- if( !p_audio_frame )
- {
- msg_Err( p_demux_, "Could not allocate memory for audio frame" );
- if( p_video_frame )
- block_Release( p_video_frame );
+ if (audioFrame) {
+ const int bytes = audioFrame->GetSampleFrameCount() * sizeof(int16_t) * sys->channels;
+
+ block_t *audio_frame = block_Alloc(bytes);
+ if (!audio_frame)
return S_OK;
- }
void *frame_bytes;
- audioFrame->GetBytes( &frame_bytes );
- memcpy( p_audio_frame->p_buffer, frame_bytes, i_bytes );
+ audioFrame->GetBytes(&frame_bytes);
+ memcpy(audio_frame->p_buffer, frame_bytes, bytes);
BMDTimeValue packet_time;
- audioFrame->GetPacketTime( &packet_time, CLOCK_FREQ );
- p_audio_frame->i_pts = p_audio_frame->i_dts = VLC_TS_0 + packet_time;
+ audioFrame->GetPacketTime(&packet_time, CLOCK_FREQ);
+ audio_frame->i_pts = audio_frame->i_dts = VLC_TS_0 + packet_time;
- vlc_mutex_lock( &p_sys->pts_lock );
- if( p_audio_frame->i_pts > p_sys->i_last_pts )
- p_sys->i_last_pts = p_audio_frame->i_pts;
- vlc_mutex_unlock( &p_sys->pts_lock );
- if( p_audio_frame->i_pts > p_sys->i_last_pts )
+ vlc_mutex_lock(&sys->pts_lock);
+ if (audio_frame->i_pts > sys->last_pts)
+ sys->last_pts = audio_frame->i_pts;
+ vlc_mutex_unlock(&sys->pts_lock);
- es_out_Control( p_demux_->out, ES_OUT_SET_PCR, p_audio_frame->i_pts );
- es_out_Send( p_demux_->out, p_sys->p_audio_es, p_audio_frame );
+ es_out_Control(demux_->out, ES_OUT_SET_PCR, audio_frame->i_pts);
+ es_out_Send(demux_->out, sys->audio_es, audio_frame);
}
return S_OK;
}
-static int Open( vlc_object_t *p_this )
+
+static int GetAudioConn(demux_t *demux)
{
- demux_t *p_demux = (demux_t*)p_this;
- demux_sys_t *p_sys;
- int ret = VLC_EGENERIC;
- char *psz_aspect;
- char *psz_display_mode = NULL;
- char *psz_video_connection = NULL;
- char *psz_audio_connection = NULL;
- bool b_found_mode;
- int i_card_index;
- int i_width, i_height, i_fps_num, i_fps_den;
- int i_rate;
- unsigned u_aspect_num, u_aspect_den;
+ demux_sys_t *sys = demux->p_sys;
+
+ char *opt = var_CreateGetNonEmptyString(demux, "decklink-audio-connection");
+ if (!opt)
+ return VLC_SUCCESS;
+
+ BMDAudioConnection c;
+ if (!strcmp(opt, "embedded"))
+ c = bmdAudioConnectionEmbedded;
+ else if (!strcmp(opt, "aesebu"))
+ c = bmdAudioConnectionAESEBU;
+ else if (!strcmp(opt, "analog"))
+ c = bmdAudioConnectionAnalog;
+ else {
+ msg_Err(demux, "Invalid audio-connection: `%s\' specified", opt);
+ free(opt);
+ return VLC_EGENERIC;
+ }
- /* Only when selected */
- if( *p_demux->psz_access == '\0' )
+ if (sys->config->SetInt(bmdDeckLinkConfigAudioInputConnection, c) != S_OK) {
+ msg_Err(demux, "Failed to set audio input connection");
return VLC_EGENERIC;
+ }
- /* Set up p_demux */
- p_demux->pf_demux = NULL;
- p_demux->pf_control = Control;
- p_demux->info.i_update = 0;
- p_demux->info.i_title = 0;
- p_demux->info.i_seekpoint = 0;
- p_demux->p_sys = p_sys = (demux_sys_t*)calloc( 1, sizeof( demux_sys_t ) );
- if( !p_sys )
- return VLC_ENOMEM;
+ return VLC_SUCCESS;
+}
- vlc_mutex_init( &p_sys->pts_lock );
+static int GetVideoConn(demux_t *demux)
+{
+ demux_sys_t *sys = demux->p_sys;
+
+ char *opt = var_InheritString(demux, "decklink-video-connection");
+ if (!opt)
+ return VLC_SUCCESS;
+
+ BMDVideoConnection c;
+ if (!strcmp(opt, "sdi"))
+ c = bmdVideoConnectionSDI;
+ else if (!strcmp(opt, "hdmi"))
+ c = bmdVideoConnectionHDMI;
+ else if (!strcmp(opt, "opticalsdi"))
+ c = bmdVideoConnectionOpticalSDI;
+ else if (!strcmp(opt, "component"))
+ c = bmdVideoConnectionComponent;
+ else if (!strcmp(opt, "composite"))
+ c = bmdVideoConnectionComposite;
+ else if (!strcmp(opt, "svideo"))
+ c = bmdVideoConnectionSVideo;
+ else {
+ msg_Err(demux, "Invalid video-connection: `%s\' specified", opt);
+ free(opt);
+ return VLC_EGENERIC;
+ }
- IDeckLinkIterator *decklink_iterator = CreateDeckLinkIteratorInstance();
- if( !decklink_iterator )
- {
- msg_Err( p_demux, "DeckLink drivers not found." );
- goto finish;
+ free(opt);
+ if (sys->config->SetInt(bmdDeckLinkConfigVideoInputConnection, c) != S_OK) {
+ msg_Err(demux, "Failed to set video input connection");
+ return VLC_EGENERIC;
}
- HRESULT result;
+ return VLC_SUCCESS;
+}
- i_card_index = var_InheritInteger( p_demux, "decklink-card-index" );
- if( i_card_index < 0 )
+static const char *GetFieldDominance(BMDFieldDominance dom, uint32_t *flags)
+{
+ switch(dom)
{
- msg_Err( p_demux, "Invalid card index %d", i_card_index );
- goto finish;
+ case bmdProgressiveFrame:
+ return "";
+ case bmdProgressiveSegmentedFrame:
+ return ", segmented";
+ case bmdLowerFieldFirst:
+ *flags = BLOCK_FLAG_BOTTOM_FIELD_FIRST;
+ return ", interlaced [BFF]";
+ case bmdUpperFieldFirst:
+ *flags = BLOCK_FLAG_TOP_FIELD_FIRST;
+ return ", interlaced [TFF]";
+ case bmdUnknownFieldDominance:
+ default:
+ return ", unknown field dominance";
}
+}
- for( int i = 0; i <= i_card_index; ++i )
- {
- if( p_sys->p_card )
- p_sys->p_card->Release();
- result = decklink_iterator->Next( &p_sys->p_card );
- if( result != S_OK )
- break;
- }
+static int Open(vlc_object_t *p_this)
+{
+ demux_t *demux = (demux_t*)p_this;
+ demux_sys_t *sys;
+ int ret = VLC_EGENERIC;
+ int card_index;
+ int width = 0, height, fps_num, fps_den;
+ int rate;
+ unsigned aspect_num, aspect_den;
- if( result != S_OK )
- {
- msg_Err( p_demux, "DeckLink PCI card %d not found", i_card_index );
- goto finish;
- }
+ /* Only when selected */
+ if (*demux->psz_access == '\0')
+ return VLC_EGENERIC;
- const char *psz_model_name;
- result = p_sys->p_card->GetModelName( &psz_model_name );
+ /* Set up demux */
+ demux->pf_demux = NULL;
+ demux->pf_control = Control;
+ demux->info.i_update = 0;
+ demux->info.i_title = 0;
+ demux->info.i_seekpoint = 0;
+ demux->p_sys = sys = (demux_sys_t*)calloc(1, sizeof(demux_sys_t));
+ if (!sys)
+ return VLC_ENOMEM;
- if( result != S_OK )
- {
- msg_Err( p_demux, "Could not get model name" );
- goto finish;
- }
+ vlc_mutex_init(&sys->pts_lock);
- msg_Dbg( p_demux, "Opened DeckLink PCI card %d (%s)", i_card_index, psz_model_name );
+ sys->tenbits = var_InheritBool(p_this, "decklink-tenbits");
- if( p_sys->p_card->QueryInterface( IID_IDeckLinkInput, (void**)&p_sys->p_input) != S_OK )
- {
- msg_Err( p_demux, "Card has no inputs" );
+ IDeckLinkIterator *decklink_iterator = CreateDeckLinkIteratorInstance();
+ if (!decklink_iterator) {
+ msg_Err(demux, "DeckLink drivers not found.");
goto finish;
}
- /* Set up the video and audio sources. */
- IDeckLinkConfiguration *p_config;
- if( p_sys->p_card->QueryInterface( IID_IDeckLinkConfiguration, (void**)&p_config) != S_OK )
- {
- msg_Err( p_demux, "Failed to get configuration interface" );
+ card_index = var_InheritInteger(demux, "decklink-card-index");
+ if (card_index < 0) {
+ msg_Err(demux, "Invalid card index %d", card_index);
goto finish;
}
- psz_video_connection = var_InheritString( p_demux, "decklink-video-connection" );
- if( psz_video_connection )
- {
- BMDVideoConnection conn;
- if ( !strcmp( psz_video_connection, "sdi" ) )
- conn = bmdVideoConnectionSDI;
- else if ( !strcmp( psz_video_connection, "hdmi" ) )
- conn = bmdVideoConnectionHDMI;
- else if ( !strcmp( psz_video_connection, "opticalsdi" ) )
- conn = bmdVideoConnectionOpticalSDI;
- else if ( !strcmp( psz_video_connection, "component" ) )
- conn = bmdVideoConnectionComponent;
- else if ( !strcmp( psz_video_connection, "composite" ) )
- conn = bmdVideoConnectionComposite;
- else if ( !strcmp( psz_video_connection, "svideo" ) )
- conn = bmdVideoConnectionSVideo;
- else
- {
- msg_Err( p_demux, "Invalid --decklink-video-connection specified; choose one of " \
- "sdi, hdmi, opticalsdi, component, composite, or svideo." );
- goto finish;
- }
-
- msg_Dbg( p_demux, "Setting video input format to 0x%x", conn);
- result = p_config->SetVideoInputFormat( conn );
- if( result != S_OK )
- {
- msg_Err( p_demux, "Failed to set video input connection" );
+ for (int i = 0; i <= card_index; i++) {
+ if (sys->card)
+ sys->card->Release();
+ if (decklink_iterator->Next(&sys->card) != S_OK) {
+ msg_Err(demux, "DeckLink PCI card %d not found", card_index);
goto finish;
}
}
- psz_audio_connection = var_CreateGetNonEmptyString( p_demux, "decklink-audio-connection" );
- if( psz_audio_connection )
- {
- BMDAudioConnection conn;
- if ( !strcmp( psz_audio_connection, "embedded" ) )
- conn = bmdAudioConnectionEmbedded;
- else if ( !strcmp( psz_audio_connection, "aesebu" ) )
- conn = bmdAudioConnectionAESEBU;
- else if ( !strcmp( psz_audio_connection, "analog" ) )
- conn = bmdAudioConnectionAnalog;
- else
- {
- msg_Err( p_demux, "Invalid --decklink-audio-connection specified; choose one of " \
- "embedded, aesebu, or analog." );
- goto finish;
- }
+ const char *model_name;
+ if (sys->card->GetModelName(&model_name) != S_OK)
+ model_name = "unknown";
- msg_Dbg( p_demux, "Setting audio input format to 0x%x", conn);
- result = p_config->SetAudioInputFormat( conn );
- if( result != S_OK )
- {
- msg_Err( p_demux, "Failed to set audio input connection" );
- goto finish;
- }
- }
+ msg_Dbg(demux, "Opened DeckLink PCI card %d (%s)", card_index, model_name);
- /* Get the list of display modes. */
- IDeckLinkDisplayModeIterator *p_display_iterator;
- result = p_sys->p_input->GetDisplayModeIterator( &p_display_iterator );
- if( result != S_OK )
- {
- msg_Err( p_demux, "Failed to enumerate display modes" );
+ if (sys->card->QueryInterface(IID_IDeckLinkInput, (void**)&sys->input) != S_OK) {
+ msg_Err(demux, "Card has no inputs");
goto finish;
}
- psz_display_mode = var_CreateGetNonEmptyString( p_demux, "decklink-mode" );
- if( !psz_display_mode || strlen( psz_display_mode ) > 4 ) {
- msg_Err( p_demux, "Missing or invalid --decklink-mode string" );
+ /* Set up the video and audio sources. */
+ if (sys->card->QueryInterface(IID_IDeckLinkConfiguration, (void**)&sys->config) != S_OK) {
+ msg_Err(demux, "Failed to get configuration interface");
goto finish;
}
- /*
- * Pad the --decklink-mode string to four characters, so the user can specify e.g. "pal"
- * without having to add the trailing space.
- */
- char sz_display_mode_padded[5];
- strcpy(sz_display_mode_padded, " ");
- for( int i = 0; i < strlen( psz_display_mode ); ++i )
- sz_display_mode_padded[i] = psz_display_mode[i];
+ if (GetVideoConn(demux) || GetAudioConn(demux))
+ goto finish;
- BMDDisplayMode wanted_mode_id;
- memcpy( &wanted_mode_id, &sz_display_mode_padded, sizeof(wanted_mode_id) );
+ char *mode;
+ mode = var_CreateGetNonEmptyString(demux, "decklink-mode");
+ if (!mode || strlen(mode) < 3 || strlen(mode) > 4) {
+ msg_Err(demux, "Invalid mode: `%s\'", mode ? mode : "");
+ goto finish;
+ }
- b_found_mode = false;
+ /* Get the list of display modes. */
+ IDeckLinkDisplayModeIterator *mode_it;
+ if (sys->input->GetDisplayModeIterator(&mode_it) != S_OK) {
+ msg_Err(demux, "Failed to enumerate display modes");
+ free(mode);
+ goto finish;
+ }
- for (;;)
- {
- IDeckLinkDisplayMode *p_display_mode;
- result = p_display_iterator->Next( &p_display_mode );
- if( result != S_OK || !p_display_mode )
+ union {
+ BMDDisplayMode id;
+ char str[4];
+ } u;
+ memcpy(u.str, mode, 4);
+ if (u.str[3] == '\0')
+ u.str[3] = ' '; /* 'pal'\0 -> 'pal ' */
+ free(mode);
+
+ for (IDeckLinkDisplayMode *m;; m->Release()) {
+ if ((mode_it->Next(&m) != S_OK) || !m)
break;
- char sz_mode_id_text[5] = {0};
- BMDDisplayMode mode_id = ntohl( p_display_mode->GetDisplayMode() );
- memcpy( sz_mode_id_text, &mode_id, sizeof(mode_id) );
-
- const char *psz_mode_name;
- result = p_display_mode->GetName( &psz_mode_name );
- if( result != S_OK )
- {
- msg_Err( p_demux, "Failed to get display mode name" );
- p_display_mode->Release();
- goto finish;
- }
-
+ const char *mode_name;
BMDTimeValue frame_duration, time_scale;
- result = p_display_mode->GetFrameRate( &frame_duration, &time_scale );
- if( result != S_OK )
- {
- msg_Err( p_demux, "Failed to get frame rate" );
- p_display_mode->Release();
- goto finish;
- }
-
- const char *psz_field_dominance;
- uint32_t i_dominance_flags = 0;
- switch( p_display_mode->GetFieldDominance() )
- {
- case bmdProgressiveFrame:
- psz_field_dominance = "";
- break;
- case bmdProgressiveSegmentedFrame:
- psz_field_dominance = ", segmented";
- break;
- case bmdLowerFieldFirst:
- psz_field_dominance = ", interlaced [BFF]";
- i_dominance_flags = BLOCK_FLAG_BOTTOM_FIELD_FIRST;
- break;
- case bmdUpperFieldFirst:
- psz_field_dominance = ", interlaced [TFF]";
- i_dominance_flags = BLOCK_FLAG_TOP_FIELD_FIRST;
- break;
- case bmdUnknownFieldDominance:
- default:
- psz_field_dominance = ", unknown field dominance";
- break;
+ uint32_t flags = 0;
+ const char *field = GetFieldDominance(m->GetFieldDominance(), &flags);
+ BMDDisplayMode id = ntohl(m->GetDisplayMode());
+
+ if (m->GetName(&mode_name) != S_OK)
+ mode_name = "unknown";
+ if (m->GetFrameRate(&frame_duration, &time_scale) != S_OK) {
+ time_scale = 0;
+ frame_duration = 1;
}
- msg_Dbg( p_demux, "Found mode '%s': %s (%dx%d, %.3f fps%s)",
- sz_mode_id_text, psz_mode_name,
- p_display_mode->GetWidth(), p_display_mode->GetHeight(),
- double(time_scale) / frame_duration, psz_field_dominance );
-
- if( wanted_mode_id == mode_id )
- {
- b_found_mode = true;
- i_width = p_display_mode->GetWidth();
- i_height = p_display_mode->GetHeight();
- i_fps_num = time_scale;
- i_fps_den = frame_duration;
- p_sys->i_dominance_flags = i_dominance_flags;
+ msg_Dbg(demux, "Found mode '%4.4s': %s (%dx%d, %.3f fps%s)",
+ (char*)&id, mode_name,
+ (int)m->GetWidth(), (int)m->GetHeight(),
+ double(time_scale) / frame_duration, field);
+
+ if (u.id == id) {
+ width = m->GetWidth();
+ height = m->GetHeight();
+ fps_num = time_scale;
+ fps_den = frame_duration;
+ sys->dominance_flags = flags;
}
-
- p_display_mode->Release();
}
- if( !b_found_mode )
- {
- msg_Err( p_demux, "Unknown video mode specified. " \
- "Run VLC with -v --verbose-objects=-all,+decklink " \
- "to get a list of supported modes." );
+ mode_it->Release();
+
+ if (width == 0) {
+ msg_Err(demux, "Unknown video mode `%4.4s\' specified.", (char*)&u.id);
goto finish;
}
- result = p_sys->p_input->EnableVideoInput( htonl( wanted_mode_id ), bmdFormat8BitYUV, 0 );
- if( result != S_OK )
- {
- msg_Err( p_demux, "Failed to enable video input" );
+ BMDPixelFormat fmt; fmt = sys->tenbits ? bmdFormat10BitYUV : bmdFormat8BitYUV;
+ if (sys->input->EnableVideoInput(htonl(u.id), fmt, 0) != S_OK) {
+ msg_Err(demux, "Failed to enable video input");
goto finish;
}
/* Set up audio. */
- p_sys->i_channels = var_InheritInteger( p_demux, "decklink-audio-channels" );
- i_rate = var_InheritInteger( p_demux, "decklink-audio-rate" );
- if( i_rate > 0 && p_sys->i_channels > 0 )
- {
- result = p_sys->p_input->EnableAudioInput( i_rate, bmdAudioSampleType16bitInteger, p_sys->i_channels );
- if( result != S_OK )
- {
- msg_Err( p_demux, "Failed to enable audio input" );
+ sys->channels = var_InheritInteger(demux, "decklink-audio-channels");
+ rate = var_InheritInteger(demux, "decklink-audio-rate");
+ if (rate > 0 && sys->channels > 0) {
+ if (sys->input->EnableAudioInput(rate, bmdAudioSampleType16bitInteger, sys->channels) != S_OK) {
+ msg_Err(demux, "Failed to enable audio input");
goto finish;
}
}
- p_sys->p_delegate = new DeckLinkCaptureDelegate( p_demux );
- p_sys->p_input->SetCallback( p_sys->p_delegate );
+ sys->delegate = new DeckLinkCaptureDelegate(demux);
+ sys->input->SetCallback(sys->delegate);
- result = p_sys->p_input->StartStreams();
- if( result != S_OK )
- {
- msg_Err( p_demux, "Could not start streaming from SDI card. This could be caused "
- "by invalid video mode or flags, access denied, or card already in use." );
+ if (sys->input->StartStreams() != S_OK) {
+ msg_Err(demux, "Could not start streaming from SDI card. This could be caused "
+ "by invalid video mode or flags, access denied, or card already in use.");
goto finish;
}
/* Declare elementary streams */
es_format_t video_fmt;
- es_format_Init( &video_fmt, VIDEO_ES, VLC_CODEC_UYVY );
- video_fmt.video.i_width = i_width;
- video_fmt.video.i_height = i_height;
+ vlc_fourcc_t chroma; chroma = sys->tenbits ? VLC_CODEC_I422_10L : VLC_CODEC_UYVY;
+ es_format_Init(&video_fmt, VIDEO_ES, chroma);
+ video_fmt.video.i_width = width;
+ video_fmt.video.i_height = height;
video_fmt.video.i_sar_num = 1;
video_fmt.video.i_sar_den = 1;
- video_fmt.video.i_frame_rate = i_fps_num;
- video_fmt.video.i_frame_rate_base = i_fps_den;
+ video_fmt.video.i_frame_rate = fps_num;
+ video_fmt.video.i_frame_rate_base = fps_den;
video_fmt.i_bitrate = video_fmt.video.i_width * video_fmt.video.i_height * video_fmt.video.i_frame_rate * 2 * 8;
- if ( !var_InheritURational( p_demux, &u_aspect_num, &u_aspect_den, "decklink-aspect-ratio" ) &&
- u_aspect_num > 0 && u_aspect_den > 0 ) {
- video_fmt.video.i_sar_num = u_aspect_num * video_fmt.video.i_height;
- video_fmt.video.i_sar_den = u_aspect_den * video_fmt.video.i_width;
+ if (!var_InheritURational(demux, &aspect_num, &aspect_den, "decklink-aspect-ratio") &&
+ aspect_num > 0 && aspect_den > 0) {
+ video_fmt.video.i_sar_num = aspect_num * video_fmt.video.i_height;
+ video_fmt.video.i_sar_den = aspect_den * video_fmt.video.i_width;
}
- msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
- (char*)&video_fmt.i_codec, video_fmt.video.i_width, video_fmt.video.i_height );
- p_sys->p_video_es = es_out_Add( p_demux->out, &video_fmt );
+ msg_Dbg(demux, "added new video es %4.4s %dx%d",
+ (char*)&video_fmt.i_codec, video_fmt.video.i_width, video_fmt.video.i_height);
+ sys->video_es = es_out_Add(demux->out, &video_fmt);
es_format_t audio_fmt;
- es_format_Init( &audio_fmt, AUDIO_ES, VLC_CODEC_S16N );
- audio_fmt.audio.i_channels = p_sys->i_channels;
- audio_fmt.audio.i_rate = i_rate;
+ es_format_Init(&audio_fmt, AUDIO_ES, VLC_CODEC_S16N);
+ audio_fmt.audio.i_channels = sys->channels;
+ audio_fmt.audio.i_rate = rate;
audio_fmt.audio.i_bitspersample = 16;
audio_fmt.audio.i_blockalign = audio_fmt.audio.i_channels * audio_fmt.audio.i_bitspersample / 8;
audio_fmt.i_bitrate = audio_fmt.audio.i_channels * audio_fmt.audio.i_rate * audio_fmt.audio.i_bitspersample;
- msg_Dbg( p_demux, "added new audio es %4.4s %dHz %dbpp %dch",
+ msg_Dbg(demux, "added new audio es %4.4s %dHz %dbpp %dch",
(char*)&audio_fmt.i_codec, audio_fmt.audio.i_rate, audio_fmt.audio.i_bitspersample, audio_fmt.audio.i_channels);
- p_sys->p_audio_es = es_out_Add( p_demux->out, &audio_fmt );
+ sys->audio_es = es_out_Add(demux->out, &audio_fmt);
ret = VLC_SUCCESS;
finish:
- if( decklink_iterator )
+ if (decklink_iterator)
decklink_iterator->Release();
- if( p_config )
- p_config->Release();
-
- free( psz_video_connection );
- free( psz_audio_connection );
- free( psz_display_mode );
-
- if( p_display_iterator )
- p_display_iterator->Release();
-
- if( ret != VLC_SUCCESS )
- Close( p_this );
+ if (ret != VLC_SUCCESS)
+ Close(p_this);
return ret;
}
-static void Close( vlc_object_t *p_this )
+static void Close(vlc_object_t *p_this)
{
- demux_t *p_demux = (demux_t *)p_this;
- demux_sys_t *p_sys = p_demux->p_sys;
+ demux_t *demux = (demux_t *)p_this;
+ demux_sys_t *sys = demux->p_sys;
- if( p_sys->p_input )
- {
- p_sys->p_input->StopStreams();
- p_sys->p_input->Release();
+ if (sys->config)
+ sys->config->Release();
+
+ if (sys->input) {
+ sys->input->StopStreams();
+ sys->input->Release();
}
- if( p_sys->p_card )
- p_sys->p_card->Release();
+ if (sys->card)
+ sys->card->Release();
- if( p_sys->p_delegate )
- p_sys->p_delegate->Release();
+ if (sys->delegate)
+ sys->delegate->Release();
- vlc_mutex_destroy( &p_sys->pts_lock );
- free( p_sys );
+ vlc_mutex_destroy(&sys->pts_lock);
+ free(sys);
}
-static int Control( demux_t *p_demux, int i_query, va_list args )
+static int Control(demux_t *demux, int query, va_list args)
{
- demux_sys_t *p_sys = p_demux->p_sys;
+ demux_sys_t *sys = demux->p_sys;
bool *pb;
- int64_t *pi64;
+ int64_t *pi64;
- switch( i_query )
+ switch(query)
{
/* Special for access_demux */
case DEMUX_CAN_PAUSE:
case DEMUX_CAN_SEEK:
case DEMUX_CAN_CONTROL_PACE:
- pb = (bool*)va_arg( args, bool * );
+ pb = (bool*)va_arg(args, bool *);
*pb = false;
return VLC_SUCCESS;
case DEMUX_GET_PTS_DELAY:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = var_InheritInteger( p_demux, "decklink-caching" ) * 1000;
+ pi64 = (int64_t*)va_arg(args, int64_t *);
+ *pi64 = INT64_C(1000) * var_InheritInteger(demux, "live-caching");
return VLC_SUCCESS;
case DEMUX_GET_TIME:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- vlc_mutex_lock( &p_sys->pts_lock );
- *pi64 = p_sys->i_last_pts;
- vlc_mutex_unlock( &p_sys->pts_lock );
+ pi64 = (int64_t*)va_arg(args, int64_t *);
+ vlc_mutex_lock(&sys->pts_lock);
+ *pi64 = sys->last_pts;
+ vlc_mutex_unlock(&sys->pts_lock);
return VLC_SUCCESS;
default:
return VLC_EGENERIC;
}
-
- return VLC_EGENERIC;
}