/*****************************************************************************
* decklink.cpp: BlackMagic DeckLink SDI input module
*****************************************************************************
- * Copyright (C) 2010 VideoLAN
+ * Copyright (C) 2010 Steinar H. Gunderson
*
* Authors: Steinar H. Gunderson <steinar+vlc@gunderson.no>
*
* 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
* 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
*
*****************************************************************************/
+#define __STDC_CONSTANT_MACROS 1
+
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
-#ifndef INT64_C
-#define INT64_C(c) c ## LL
-#endif
-
#include <vlc_common.h>
#include <vlc_plugin.h>
-#include <vlc_input.h>
#include <vlc_demux.h>
-#include <vlc_access.h>
-#include <vlc_picture.h>
-#include <vlc_charset.h>
-#include <vlc_fs.h>
#include <vlc_atomic.h>
#include <arpa/inet.h>
"composite, svideo. " \
"Leave blank for card default." )
+static const char *const ppsz_videoconns[] = {
+ "sdi", "hdmi", "opticalsdi", "component", "composite", "svideo"
+};
+static const char *const ppsz_videoconns_text[] = {
+ N_("SDI"), N_("HDMI"), N_("Optical SDI"), N_("Component"), N_("Composite"), N_("S-video")
+};
+
#define ASPECT_RATIO_TEXT N_("Aspect ratio")
#define ASPECT_RATIO_LONGTEXT N_( \
"Aspect ratio (4:3, 16:9). Default assumes square pixels." )
CHANNELS_TEXT, CHANNELS_LONGTEXT, true )
add_string( "decklink-video-connection", 0, NULL,
VIDEO_CONNECTION_TEXT, VIDEO_CONNECTION_LONGTEXT, true )
+ change_string_list( ppsz_videoconns, ppsz_videoconns_text, 0 )
add_string( "decklink-aspect-ratio", NULL, NULL,
ASPECT_RATIO_TEXT, ASPECT_RATIO_LONGTEXT, true )
set_callbacks( Open, Close )
vlc_module_end ()
-static int Demux ( demux_t * );
static int Control( demux_t *, int, va_list );
class DeckLinkCaptureDelegate;
es_out_id_t *p_video_es;
es_out_id_t *p_audio_es;
- bool b_first_frame;
- int i_last_pts;
+
+ vlc_mutex_t pts_lock;
+ int i_last_pts; /* protected by <pts_lock> */
- int i_width, i_height, i_fps_num, i_fps_den;
uint32_t i_dominance_flags;
-
- int i_rate, i_channels;
-
- vlc_mutex_t frame_lock;
- block_t *p_video_frame; /* protected by <frame_lock> */
- block_t *p_audio_frame; /* protected by <frame_lock> */
- vlc_cond_t has_frame; /* related to <frame_lock> */
+ int i_channels;
};
class DeckLinkCaptureDelegate : public IDeckLinkInputCallback
return new_ref;
}
- virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags);
+ virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags)
+ {
+ msg_Dbg( p_demux_, "Video input format changed" );
+ return S_OK;
+ }
+
virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame*, IDeckLinkAudioInputPacket*);
private:
demux_t *p_demux_;
};
-HRESULT DeckLinkCaptureDelegate::VideoInputFormatChanged(BMDVideoInputFormatChangedEvents events, IDeckLinkDisplayMode *mode, BMDDetectedVideoInputFormatFlags)
-{
- msg_Dbg( p_demux_, "Video input format changed" );
- return S_OK;
-}
-
HRESULT DeckLinkCaptureDelegate::VideoInputFrameArrived(IDeckLinkVideoInputFrame* videoFrame, IDeckLinkAudioInputPacket* audioFrame)
{
demux_sys_t *p_sys = p_demux_->p_sys;
for( int y = 0; y < i_height; ++y )
{
const uint8_t *src = (const uint8_t *)frame_bytes + i_stride * y;
- uint8_t *dst = (uint8_t *)p_video_frame->p_buffer + i_width * i_bpp * y;
+ uint8_t *dst = p_video_frame->p_buffer + i_width * i_bpp * y;
memcpy( dst, src, i_width * i_bpp );
}
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;
- if( p_sys->b_first_frame )
- {
- p_video_frame->i_flags |= BLOCK_FLAG_DISCONTINUITY;
- p_sys->b_first_frame = false;
- }
p_video_frame->i_pts = p_video_frame->i_dts = VLC_TS_0 + stream_time;
+
+ 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 );
+
+ 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 );
}
if( audioFrame )
BMDTimeValue packet_time;
audioFrame->GetPacketTime( &packet_time, CLOCK_FREQ );
p_audio_frame->i_pts = p_audio_frame->i_dts = VLC_TS_0 + packet_time;
- }
-
- if( p_video_frame || p_audio_frame )
- {
- vlc_mutex_lock( &p_sys->frame_lock );
- if( p_video_frame )
- {
- if( p_sys->p_video_frame )
- block_Release( p_sys->p_video_frame );
- p_sys->p_video_frame = p_video_frame;
- }
- if( p_audio_frame )
- {
- if( p_sys->p_audio_frame )
- block_Release( p_sys->p_audio_frame );
- p_sys->p_audio_frame = p_audio_frame;
- }
- vlc_cond_signal( &p_sys->has_frame );
- vlc_mutex_unlock( &p_sys->frame_lock );
+
+ 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 )
+
+ 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 );
}
return S_OK;
{
demux_t *p_demux = (demux_t*)p_this;
demux_sys_t *p_sys;
- int ret = VLC_SUCCESS;
+ 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;
/* Only when selected */
if( *p_demux->psz_access == '\0' )
return VLC_EGENERIC;
/* Set up p_demux */
- p_demux->pf_demux = Demux;
+ p_demux->pf_demux = NULL;
p_demux->pf_control = Control;
p_demux->info.i_update = 0;
p_demux->info.i_title = 0;
vlc_mutex_init( &p_sys->frame_lock );
vlc_cond_init( &p_sys->has_frame );
- p_sys->b_first_frame = true;
IDeckLinkIterator *decklink_iterator = CreateDeckLinkIteratorInstance();
if( !decklink_iterator )
{
msg_Err( p_demux, "DeckLink drivers not found." );
- ret = VLC_EGENERIC;
goto finish;
}
HRESULT result;
i_card_index = var_InheritInteger( p_demux, "decklink-card-index" );
+ if( i_card_index < 0 )
+ {
+ msg_Err( p_demux, "Invalid card index %d", i_card_index );
+ goto finish;
+ }
+
for( int i = 0; i <= i_card_index; ++i )
{
if( p_sys->p_card )
if( result != S_OK )
{
msg_Err( p_demux, "DeckLink PCI card %d not found", i_card_index );
- ret = VLC_EGENERIC;
goto finish;
}
if( result != S_OK )
{
msg_Err( p_demux, "Could not get model name" );
- ret = VLC_EGENERIC;
goto finish;
}
if( p_sys->p_card->QueryInterface( IID_IDeckLinkInput, (void**)&p_sys->p_input) != S_OK )
{
msg_Err( p_demux, "Card has no inputs" );
- ret = VLC_EGENERIC;
goto finish;
}
if( p_sys->p_card->QueryInterface( IID_IDeckLinkConfiguration, (void**)&p_config) != S_OK )
{
msg_Err( p_demux, "Failed to get configuration interface" );
- ret = VLC_EGENERIC;
goto finish;
}
- psz_video_connection = var_CreateGetNonEmptyString( p_demux, "decklink-video-connection" );
+ psz_video_connection = var_InheritString( p_demux, "decklink-video-connection" );
if( psz_video_connection )
{
BMDVideoConnection conn;
{
msg_Err( p_demux, "Invalid --decklink-video-connection specified; choose one of " \
"sdi, hdmi, opticalsdi, component, composite, or svideo." );
- ret = VLC_EGENERIC;
goto finish;
}
if( result != S_OK )
{
msg_Err( p_demux, "Failed to set video input connection" );
- ret = VLC_EGENERIC;
goto finish;
}
}
{
msg_Err( p_demux, "Invalid --decklink-audio-connection specified; choose one of " \
"embedded, aesebu, or analog." );
- ret = VLC_EGENERIC;
goto finish;
}
if( result != S_OK )
{
msg_Err( p_demux, "Failed to set audio input connection" );
- ret = VLC_EGENERIC;
goto finish;
}
}
if( result != S_OK )
{
msg_Err( p_demux, "Failed to enumerate display modes" );
- ret = VLC_EGENERIC;
goto finish;
}
- psz_display_mode = var_InheritString( p_demux, "decklink-mode" );
- if( !psz_display_mode || strlen( psz_display_mode ) == 0 || strlen( psz_display_mode ) > 4 ) {
+ 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" );
- ret = VLC_EGENERIC;
goto finish;
}
{
msg_Err( p_demux, "Failed to get display mode name" );
p_display_mode->Release();
- ret = VLC_EGENERIC;
goto finish;
}
{
msg_Err( p_demux, "Failed to get frame rate" );
p_display_mode->Release();
- ret = VLC_EGENERIC;
goto finish;
}
if( wanted_mode_id == mode_id )
{
b_found_mode = true;
- p_sys->i_width = p_display_mode->GetWidth();
- p_sys->i_height = p_display_mode->GetHeight();
- p_sys->i_fps_num = time_scale;
- p_sys->i_fps_den = frame_duration;
+ 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_Err( p_demux, "Unknown video mode specified. " \
"Run VLC with -v --verbose-objects=-all,+decklink " \
"to get a list of supported modes." );
- ret = VLC_EGENERIC;
goto finish;
}
if( result != S_OK )
{
msg_Err( p_demux, "Failed to enable video input" );
- ret = VLC_EGENERIC;
goto finish;
}
/* Set up audio. */
- p_sys->i_rate = var_InheritInteger( p_demux, "decklink-audio-rate" );
p_sys->i_channels = var_InheritInteger( p_demux, "decklink-audio-channels" );
- if( p_sys->i_rate > 0 && p_sys->i_channels > 0 )
+ i_rate = var_InheritInteger( p_demux, "decklink-audio-rate" );
+ if( i_rate > 0 && p_sys->i_channels > 0 )
{
- result = p_sys->p_input->EnableAudioInput( p_sys->i_rate, bmdAudioSampleType16bitInteger, p_sys->i_channels );
+ 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" );
- ret = VLC_EGENERIC;
goto finish;
}
}
{
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." );
- ret = VLC_EGENERIC;
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 = p_sys->i_width;
- video_fmt.video.i_height = p_sys->i_height;
+ video_fmt.video.i_width = i_width;
+ video_fmt.video.i_height = i_height;
video_fmt.video.i_sar_num = 1;
video_fmt.video.i_sar_den = 1;
- video_fmt.video.i_frame_rate = p_sys->i_fps_num;
- video_fmt.video.i_frame_rate_base = p_sys->i_fps_den;
+ video_fmt.video.i_frame_rate = i_fps_num;
+ video_fmt.video.i_frame_rate_base = i_fps_den;
video_fmt.i_bitrate = video_fmt.video.i_width * video_fmt.video.i_height * video_fmt.video.i_frame_rate * 2 * 8;
- psz_aspect = var_CreateGetNonEmptyString( p_demux, "decklink-aspect-ratio" );
- if( psz_aspect )
- {
- char *psz_denominator = strchr( psz_aspect, ':' );
- if( psz_denominator )
- {
- *psz_denominator++ = '\0';
- video_fmt.video.i_sar_num = atoi( psz_aspect ) * video_fmt.video.i_height;
- video_fmt.video.i_sar_den = atoi( psz_denominator ) * video_fmt.video.i_width;
- }
- free( psz_aspect );
+ 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;
}
msg_Dbg( p_demux, "added new video es %4.4s %dx%d",
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 = p_sys->i_rate;
+ audio_fmt.audio.i_rate = i_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;
(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 );
- /* Update default_pts to a suitable value for access */
- var_Create( p_demux, "decklink-caching", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
+ ret = VLC_SUCCESS;
finish:
if( decklink_iterator )
case DEMUX_GET_PTS_DELAY:
pi64 = (int64_t*)va_arg( args, int64_t * );
- *pi64 = var_GetInteger( p_demux, "decklink-caching" ) * 1000;
+ *pi64 = var_InheritInteger( p_demux, "decklink-caching" ) * 1000;
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 );
return VLC_SUCCESS;
/* TODO implement others */
return VLC_EGENERIC;
}
-
-static int Demux( demux_t *p_demux )
-{
- demux_sys_t *p_sys = p_demux->p_sys;
- block_t *p_video_block = NULL;
- block_t *p_audio_block = NULL;
-
- vlc_mutex_lock( &p_sys->frame_lock );
-
- while( !p_sys->p_video_frame && !p_sys->p_audio_frame )
- vlc_cond_wait( &p_sys->has_frame, &p_sys->frame_lock );
-
- p_video_block = p_sys->p_video_frame;
- p_sys->p_video_frame = NULL;
-
- p_audio_block = p_sys->p_audio_frame;
- p_sys->p_audio_frame = NULL;
-
- vlc_mutex_unlock( &p_sys->frame_lock );
-
- if( p_video_block )
- {
- if( p_video_block->i_pts > p_sys->i_last_pts )
- p_sys->i_last_pts = p_video_block->i_pts;
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_video_block->i_pts );
- es_out_Send( p_demux->out, p_sys->p_video_es, p_video_block );
- }
-
- if( p_audio_block )
- {
- if( p_audio_block->i_pts > p_sys->i_last_pts )
- p_sys->i_last_pts = p_audio_block->i_pts;
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_audio_block->i_pts );
- es_out_Send( p_demux->out, p_sys->p_audio_es, p_audio_block );
- }
-
- return 1;
-}
-
projects / vlc / blobdiff