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770 lines
25 KiB
770 lines
25 KiB
/*****************************************************************************
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* decklink.cpp: BlackMagic DeckLink SDI input module
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*****************************************************************************
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* Copyright (C) 2010 Steinar H. Gunderson
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* Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
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* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
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*
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* Authors: Steinar H. Gunderson <steinar+vlc@gunderson.no>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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#define __STDC_CONSTANT_MACROS 1
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_demux.h>
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#include <vlc_atomic.h>
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#include <arpa/inet.h>
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#include <DeckLinkAPI.h>
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#include <DeckLinkAPIDispatch.cpp>
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static int Open (vlc_object_t *);
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static void Close(vlc_object_t *);
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#define CARD_INDEX_TEXT N_("Input card to use")
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#define CARD_INDEX_LONGTEXT N_( \
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"DeckLink capture card to use, if multiple exist. " \
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"The cards are numbered from 0.")
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#define MODE_TEXT N_("Desired input video mode")
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#define MODE_LONGTEXT N_( \
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"Desired input video mode for DeckLink captures. " \
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"This value should be a FOURCC code in textual " \
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"form, e.g. \"ntsc\".")
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#define AUDIO_CONNECTION_TEXT N_("Audio connection")
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#define AUDIO_CONNECTION_LONGTEXT N_( \
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"Audio connection to use for DeckLink captures. " \
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"Valid choices: embedded, aesebu, analog. " \
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"Leave blank for card default.")
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#define RATE_TEXT N_("Audio samplerate (Hz)")
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#define RATE_LONGTEXT N_( \
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"Audio sampling rate (in hertz) for DeckLink captures. " \
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"0 disables audio input.")
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#define CHANNELS_TEXT N_("Number of audio channels")
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#define CHANNELS_LONGTEXT N_( \
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"Number of input audio channels for DeckLink captures. " \
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"Must be 2, 8 or 16. 0 disables audio input.")
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#define VIDEO_CONNECTION_TEXT N_("Video connection")
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#define VIDEO_CONNECTION_LONGTEXT N_( \
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"Video connection to use for DeckLink captures. " \
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"Valid choices: sdi, hdmi, opticalsdi, component, " \
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"composite, svideo. " \
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"Leave blank for card default.")
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static const char *const ppsz_videoconns[] = {
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"sdi", "hdmi", "opticalsdi", "component", "composite", "svideo"
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};
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static const char *const ppsz_videoconns_text[] = {
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N_("SDI"), N_("HDMI"), N_("Optical SDI"), N_("Component"), N_("Composite"), N_("S-video")
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};
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static const char *const ppsz_audioconns[] = {
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"embedded", "aesebu", "analog"
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};
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static const char *const ppsz_audioconns_text[] = {
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N_("Embedded"), N_("AES/EBU"), N_("Analog")
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};
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#define ASPECT_RATIO_TEXT N_("Aspect ratio")
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#define ASPECT_RATIO_LONGTEXT N_(\
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"Aspect ratio (4:3, 16:9). Default assumes square pixels.")
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vlc_module_begin ()
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set_shortname(N_("DeckLink"))
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set_description(N_("Blackmagic DeckLink SDI input"))
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set_category(CAT_INPUT)
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set_subcategory(SUBCAT_INPUT_ACCESS)
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add_integer("decklink-card-index", 0,
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CARD_INDEX_TEXT, CARD_INDEX_LONGTEXT, true)
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add_string("decklink-mode", "pal ",
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MODE_TEXT, MODE_LONGTEXT, true)
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add_string("decklink-audio-connection", 0,
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AUDIO_CONNECTION_TEXT, AUDIO_CONNECTION_LONGTEXT, true)
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change_string_list(ppsz_audioconns, ppsz_audioconns_text)
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add_integer("decklink-audio-rate", 48000,
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RATE_TEXT, RATE_LONGTEXT, true)
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add_integer("decklink-audio-channels", 2,
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CHANNELS_TEXT, CHANNELS_LONGTEXT, true)
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add_string("decklink-video-connection", 0,
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VIDEO_CONNECTION_TEXT, VIDEO_CONNECTION_LONGTEXT, true)
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change_string_list(ppsz_videoconns, ppsz_videoconns_text)
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add_string("decklink-aspect-ratio", NULL,
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ASPECT_RATIO_TEXT, ASPECT_RATIO_LONGTEXT, true)
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add_bool("decklink-tenbits", true, N_("10 bits"), N_("10 bits"), true)
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add_shortcut("decklink")
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set_capability("access_demux", 10)
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set_callbacks(Open, Close)
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vlc_module_end ()
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static int Control(demux_t *, int, va_list);
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class DeckLinkCaptureDelegate;
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struct demux_sys_t
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{
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IDeckLink *card;
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IDeckLinkInput *input;
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DeckLinkCaptureDelegate *delegate;
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/* We need to hold onto the IDeckLinkConfiguration object, or our settings will not apply.
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See section 2.4.15 of the Blackmagic Decklink SDK documentation. */
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IDeckLinkConfiguration *config;
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es_out_id_t *video_es;
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es_out_id_t *audio_es;
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es_out_id_t *cc_es;
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vlc_mutex_t pts_lock;
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int last_pts; /* protected by <pts_lock> */
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uint32_t dominance_flags;
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int channels;
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bool tenbits;
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};
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class DeckLinkCaptureDelegate : public IDeckLinkInputCallback
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{
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public:
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DeckLinkCaptureDelegate(demux_t *demux) : demux_(demux)
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{
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vlc_atomic_set(&m_ref_, 1);
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}
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID, LPVOID *) { return E_NOINTERFACE; }
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virtual ULONG STDMETHODCALLTYPE AddRef(void)
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{
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return vlc_atomic_inc(&m_ref_);
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}
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virtual ULONG STDMETHODCALLTYPE Release(void)
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{
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uintptr_t new_ref = vlc_atomic_dec(&m_ref_);
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if (new_ref == 0)
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delete this;
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return new_ref;
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}
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virtual HRESULT STDMETHODCALLTYPE VideoInputFormatChanged(BMDVideoInputFormatChangedEvents, IDeckLinkDisplayMode*, BMDDetectedVideoInputFormatFlags)
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{
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msg_Dbg(demux_, "Video input format changed");
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return S_OK;
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}
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virtual HRESULT STDMETHODCALLTYPE VideoInputFrameArrived(IDeckLinkVideoInputFrame*, IDeckLinkAudioInputPacket*);
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private:
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vlc_atomic_t m_ref_;
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demux_t *demux_;
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};
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static inline uint32_t av_le2ne32(uint32_t val)
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{
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union {
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uint32_t v;
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uint8_t b[4];
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} u;
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u.v = val;
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return (u.b[0] << 0) | (u.b[1] << 8) | (u.b[2] << 16) | (u.b[3] << 24);
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}
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static void v210_convert(uint16_t *dst, const uint32_t *bytes, const int width, const int height)
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{
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const int stride = ((width + 47) / 48) * 48 * 8 / 3 / 4;
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uint16_t *y = &dst[0];
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uint16_t *u = &dst[width * height * 2 / 2];
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uint16_t *v = &dst[width * height * 3 / 2];
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#define READ_PIXELS(a, b, c) \
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do { \
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val = av_le2ne32(*src++); \
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*a++ = val & 0x3FF; \
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*b++ = (val >> 10) & 0x3FF; \
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*c++ = (val >> 20) & 0x3FF; \
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} while (0)
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for (int h = 0; h < height; h++) {
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const uint32_t *src = bytes;
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uint32_t val = 0;
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int w;
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for (w = 0; w < width - 5; w += 6) {
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READ_PIXELS(u, y, v);
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READ_PIXELS(y, u, y);
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READ_PIXELS(v, y, u);
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READ_PIXELS(y, v, y);
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}
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if (w < width - 1) {
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READ_PIXELS(u, y, v);
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val = av_le2ne32(*src++);
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*y++ = val & 0x3FF;
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}
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if (w < width - 3) {
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*u++ = (val >> 10) & 0x3FF;
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*y++ = (val >> 20) & 0x3FF;
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val = av_le2ne32(*src++);
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*v++ = val & 0x3FF;
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*y++ = (val >> 10) & 0x3FF;
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}
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bytes += stride;
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}
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}
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HRESULT DeckLinkCaptureDelegate::VideoInputFrameArrived(IDeckLinkVideoInputFrame* videoFrame, IDeckLinkAudioInputPacket* audioFrame)
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{
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demux_sys_t *sys = demux_->p_sys;
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if (videoFrame) {
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if (videoFrame->GetFlags() & bmdFrameHasNoInputSource) {
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msg_Warn(demux_, "No input signal detected");
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return S_OK;
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}
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const int width = videoFrame->GetWidth();
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const int height = videoFrame->GetHeight();
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const int stride = videoFrame->GetRowBytes();
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int bpp = sys->tenbits ? 4 : 2;
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block_t *video_frame = block_Alloc(width * height * bpp);
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if (!video_frame)
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return S_OK;
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const uint32_t *frame_bytes;
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videoFrame->GetBytes((void**)&frame_bytes);
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BMDTimeValue stream_time, frame_duration;
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videoFrame->GetStreamTime(&stream_time, &frame_duration, CLOCK_FREQ);
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video_frame->i_flags = BLOCK_FLAG_TYPE_I | sys->dominance_flags;
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video_frame->i_pts = video_frame->i_dts = VLC_TS_0 + stream_time;
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if (sys->tenbits) {
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v210_convert((uint16_t*)video_frame->p_buffer, frame_bytes, width, height);
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IDeckLinkVideoFrameAncillary *vanc;
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if (videoFrame->GetAncillaryData(&vanc) == S_OK) {
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for (int i = 1; i < 21; i++) {
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uint32_t *buf;
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if (vanc->GetBufferForVerticalBlankingLine(i, (void**)&buf) != S_OK)
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break;
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uint16_t dec[width * 2];
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v210_convert(&dec[0], buf, width, 1);
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static const uint16_t vanc_header[3] = { 0, 0x3ff, 0x3ff };
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if (!memcmp(vanc_header, dec, sizeof(vanc_header))) {
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int len = (dec[5] & 0xff) + 6 + 1;
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uint16_t vanc_sum = 0;
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bool parity_ok = true;
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for (int i = 3; i < len - 1; i++) {
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uint16_t v = dec[i];
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int np = v >> 8;
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int p = parity(v & 0xff);
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if ((!!p ^ !!(v & 0x100)) || (np != 1 && np != 2)) {
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parity_ok = false;
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break;
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}
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vanc_sum += v;
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vanc_sum &= 0x1ff;
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dec[i] &= 0xff;
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}
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if (!parity_ok)
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continue;
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vanc_sum |= ((~vanc_sum & 0x100) << 1);
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if (dec[len - 1] != vanc_sum)
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continue;
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if (dec[3] != 0x61 /* DID */ ||
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dec[4] != 0x01 /* SDID = CEA-708 */)
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continue;
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/* CDP follows */
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uint16_t *cdp = &dec[6];
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if (cdp[0] != 0x96 || cdp[1] != 0x69)
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continue;
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len -= 7; // remove VANC header and checksum
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if (cdp[2] != len)
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continue;
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uint8_t cdp_sum = 0;
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for (int i = 0; i < len - 1; i++)
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cdp_sum += cdp[i];
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cdp_sum = cdp_sum ? 256 - cdp_sum : 0;
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if (cdp[len - 1] != cdp_sum)
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continue;
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uint8_t rate = cdp[3];
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if (!(rate & 0x0f))
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continue;
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rate >>= 4;
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if (rate > 8)
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continue;
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if (!(cdp[4] & 0x43)) /* ccdata_present | caption_service_active | reserved */
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continue;
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uint16_t hdr = (cdp[5] << 8) | cdp[6];
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if (cdp[7] != 0x72) /* ccdata_id */
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continue;
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int cc_count = cdp[8];
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if (!(cc_count & 0xe0))
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continue;
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cc_count &= 0x1f;
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/* FIXME: parse additional data (CC language?) */
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if ((len - 13) < cc_count * 3)
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continue;
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if (cdp[len - 4] != 0x74) /* footer id */
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continue;
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uint16_t ftr = (cdp[len - 3] << 8) | cdp[len - 2];
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if (ftr != hdr)
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continue;
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block_t *cc = block_Alloc(cc_count * 3);
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for (int i = 0; i < cc_count; i++) {
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cc->p_buffer[3*i+0] = cdp[9 + 3*i+0] & 3;
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cc->p_buffer[3*i+1] = cdp[9 + 3*i+1];
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cc->p_buffer[3*i+2] = cdp[9 + 3*i+2];
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}
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cc->i_pts = cc->i_dts = VLC_TS_0 + stream_time;
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if (!sys->cc_es) {
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es_format_t fmt;
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es_format_Init( &fmt, SPU_ES, VLC_FOURCC('c', 'c', '1' , ' ') );
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fmt.psz_description = strdup("Closed captions 1");
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if (fmt.psz_description) {
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sys->cc_es = es_out_Add(demux_->out, &fmt);
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msg_Dbg(demux_, "Adding Closed captions stream");
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}
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}
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if (sys->cc_es)
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es_out_Send(demux_->out, sys->cc_es, cc);
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else
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block_Release(cc);
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break; // we found the line with Closed Caption data
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}
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}
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vanc->Release();
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}
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} else {
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for (int y = 0; y < height; ++y) {
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const uint8_t *src = (const uint8_t *)frame_bytes + stride * y;
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uint8_t *dst = video_frame->p_buffer + width * 2 * y;
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memcpy(dst, src, width * 2);
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}
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}
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vlc_mutex_lock(&sys->pts_lock);
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if (video_frame->i_pts > sys->last_pts)
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sys->last_pts = video_frame->i_pts;
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vlc_mutex_unlock(&sys->pts_lock);
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es_out_Control(demux_->out, ES_OUT_SET_PCR, video_frame->i_pts);
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es_out_Send(demux_->out, sys->video_es, video_frame);
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}
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if (audioFrame) {
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const int bytes = audioFrame->GetSampleFrameCount() * sizeof(int16_t) * sys->channels;
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block_t *audio_frame = block_Alloc(bytes);
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if (!audio_frame)
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return S_OK;
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void *frame_bytes;
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audioFrame->GetBytes(&frame_bytes);
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memcpy(audio_frame->p_buffer, frame_bytes, bytes);
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BMDTimeValue packet_time;
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audioFrame->GetPacketTime(&packet_time, CLOCK_FREQ);
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audio_frame->i_pts = audio_frame->i_dts = VLC_TS_0 + packet_time;
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vlc_mutex_lock(&sys->pts_lock);
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if (audio_frame->i_pts > sys->last_pts)
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sys->last_pts = audio_frame->i_pts;
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vlc_mutex_unlock(&sys->pts_lock);
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es_out_Control(demux_->out, ES_OUT_SET_PCR, audio_frame->i_pts);
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es_out_Send(demux_->out, sys->audio_es, audio_frame);
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}
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return S_OK;
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}
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static int GetAudioConn(demux_t *demux)
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{
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demux_sys_t *sys = demux->p_sys;
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char *opt = var_CreateGetNonEmptyString(demux, "decklink-audio-connection");
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if (!opt)
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return VLC_SUCCESS;
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BMDAudioConnection c;
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if (!strcmp(opt, "embedded"))
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c = bmdAudioConnectionEmbedded;
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else if (!strcmp(opt, "aesebu"))
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c = bmdAudioConnectionAESEBU;
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else if (!strcmp(opt, "analog"))
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c = bmdAudioConnectionAnalog;
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else {
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msg_Err(demux, "Invalid audio-connection: `%s\' specified", opt);
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free(opt);
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return VLC_EGENERIC;
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}
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if (sys->config->SetInt(bmdDeckLinkConfigAudioInputConnection, c) != S_OK) {
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msg_Err(demux, "Failed to set audio input connection");
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return VLC_EGENERIC;
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}
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return VLC_SUCCESS;
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}
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static int GetVideoConn(demux_t *demux)
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{
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demux_sys_t *sys = demux->p_sys;
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char *opt = var_InheritString(demux, "decklink-video-connection");
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if (!opt)
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return VLC_SUCCESS;
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BMDVideoConnection c;
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if (!strcmp(opt, "sdi"))
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c = bmdVideoConnectionSDI;
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else if (!strcmp(opt, "hdmi"))
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c = bmdVideoConnectionHDMI;
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else if (!strcmp(opt, "opticalsdi"))
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c = bmdVideoConnectionOpticalSDI;
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else if (!strcmp(opt, "component"))
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c = bmdVideoConnectionComponent;
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else if (!strcmp(opt, "composite"))
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c = bmdVideoConnectionComposite;
|
|
else if (!strcmp(opt, "svideo"))
|
|
c = bmdVideoConnectionSVideo;
|
|
else {
|
|
msg_Err(demux, "Invalid video-connection: `%s\' specified", opt);
|
|
free(opt);
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
free(opt);
|
|
if (sys->config->SetInt(bmdDeckLinkConfigVideoInputConnection, c) != S_OK) {
|
|
msg_Err(demux, "Failed to set video input connection");
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
static const char *GetFieldDominance(BMDFieldDominance dom, uint32_t *flags)
|
|
{
|
|
switch(dom)
|
|
{
|
|
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";
|
|
}
|
|
}
|
|
|
|
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;
|
|
|
|
/* Only when selected */
|
|
if (*demux->psz_access == '\0')
|
|
return VLC_EGENERIC;
|
|
|
|
/* 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;
|
|
|
|
vlc_mutex_init(&sys->pts_lock);
|
|
|
|
sys->tenbits = var_InheritBool(p_this, "decklink-tenbits");
|
|
|
|
IDeckLinkIterator *decklink_iterator = CreateDeckLinkIteratorInstance();
|
|
if (!decklink_iterator) {
|
|
msg_Err(demux, "DeckLink drivers not found.");
|
|
goto finish;
|
|
}
|
|
|
|
card_index = var_InheritInteger(demux, "decklink-card-index");
|
|
if (card_index < 0) {
|
|
msg_Err(demux, "Invalid card index %d", card_index);
|
|
goto finish;
|
|
}
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
const char *model_name;
|
|
if (sys->card->GetModelName(&model_name) != S_OK)
|
|
model_name = "unknown";
|
|
|
|
msg_Dbg(demux, "Opened DeckLink PCI card %d (%s)", card_index, model_name);
|
|
|
|
if (sys->card->QueryInterface(IID_IDeckLinkInput, (void**)&sys->input) != S_OK) {
|
|
msg_Err(demux, "Card has no inputs");
|
|
goto finish;
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
if (GetVideoConn(demux) || GetAudioConn(demux))
|
|
goto finish;
|
|
|
|
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;
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
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;
|
|
|
|
const char *mode_name;
|
|
BMDTimeValue frame_duration, time_scale;
|
|
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(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;
|
|
}
|
|
}
|
|
|
|
mode_it->Release();
|
|
|
|
if (width == 0) {
|
|
msg_Err(demux, "Unknown video mode `%4.4s\' specified.", (char*)&u.id);
|
|
goto finish;
|
|
}
|
|
|
|
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. */
|
|
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;
|
|
}
|
|
}
|
|
|
|
sys->delegate = new DeckLinkCaptureDelegate(demux);
|
|
sys->input->SetCallback(sys->delegate);
|
|
|
|
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;
|
|
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 = 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(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(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 = 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(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);
|
|
sys->audio_es = es_out_Add(demux->out, &audio_fmt);
|
|
|
|
ret = VLC_SUCCESS;
|
|
|
|
finish:
|
|
if (decklink_iterator)
|
|
decklink_iterator->Release();
|
|
|
|
if (ret != VLC_SUCCESS)
|
|
Close(p_this);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void Close(vlc_object_t *p_this)
|
|
{
|
|
demux_t *demux = (demux_t *)p_this;
|
|
demux_sys_t *sys = demux->p_sys;
|
|
|
|
if (sys->config)
|
|
sys->config->Release();
|
|
|
|
if (sys->input) {
|
|
sys->input->StopStreams();
|
|
sys->input->Release();
|
|
}
|
|
|
|
if (sys->card)
|
|
sys->card->Release();
|
|
|
|
if (sys->delegate)
|
|
sys->delegate->Release();
|
|
|
|
vlc_mutex_destroy(&sys->pts_lock);
|
|
free(sys);
|
|
}
|
|
|
|
static int Control(demux_t *demux, int query, va_list args)
|
|
{
|
|
demux_sys_t *sys = demux->p_sys;
|
|
bool *pb;
|
|
int64_t *pi64;
|
|
|
|
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 = false;
|
|
return VLC_SUCCESS;
|
|
|
|
case DEMUX_GET_PTS_DELAY:
|
|
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(&sys->pts_lock);
|
|
*pi64 = sys->last_pts;
|
|
vlc_mutex_unlock(&sys->pts_lock);
|
|
return VLC_SUCCESS;
|
|
|
|
default:
|
|
return VLC_EGENERIC;
|
|
}
|
|
}
|
|
|