/
VideoSource.cpp
1422 lines (932 loc) · 31.7 KB
/
VideoSource.cpp
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/**
* John Bradley (jrb@turrettech.com)
*/
#if defined (WIN32)
#include <winsock2.h>
#include <windows.h>
#endif
#include "VideoSource.h"
#include <SDL/SDL.h>
#include <SDL/SDL_thread.h>
#if (_MSC_VER >= 1900)
extern "C" { FILE __iob_func[3] = { *stdin,*stdout,*stderr }; }
#pragma comment(lib, "legacy_stdio_definitions.lib")
#endif
#define SAVE_264_ENABLE 0
#if SAVE_264_ENABLE
FILE *m_handle = NULL;
#endif
#if 0
extern "C" bool LoadImageFromMemory(const BYTE *buffer, unsigned int size, const char *mime, unsigned int maxwidth, unsigned int maxheight, ImageInfo *info);
extern "C" bool ReleaseImage(ImageInfo *info);
#endif
//static double airtunes_audio_timestamp = -1.0;
//static double airtunes_audio_clock()
//{
// return airtunes_audio_timestamp;
//}
VideoSource::VideoSource(SDLconfig *config)
{
audio_volume = 80;
audio_quit = true;
memset(&xdw_decoder_q, 0, sizeof(struct __xdw_air_decoder_q));
xdw_q_init(&xdw_decoder_q.audio_pkt_q, fn_q_mode_unblock);
xdw_q_set_property(&xdw_decoder_q.audio_pkt_q, fn_q_node_max_nr, (void *)MAX_CACHED_AFRAME_NUM, NULL);
xdw_q_init(&xdw_decoder_q.video_pkt_q, fn_q_mode_unblock);
xdw_q_set_property(&xdw_decoder_q.video_pkt_q, fn_q_node_max_nr, (void *)MAX_CACHED_VFRAME_NUM, NULL);
//airtunes_audio_timestamp = -1.0;
vs = nullptr;
char *args[] =
{
"--no-osd",
"--disable-screensaver",
"--ffmpeg-hw",
"--no-video-title-show",
};
vlc = libvlc_new(4, args);
mediaPlayer = nullptr;
pixelData = nullptr;
mediaWidth = 0;
mediaHeight = 0;
MUTEX_CREATE(textureLock);
media_sws_context = nullptr;
pMediaFrame = avcodec_alloc_frame();
pMediaFrameYUV = avcodec_alloc_frame();
screen = config->screen;
bmp = config->bmp;
rect.x = config->rect.x;
rect.y = config->rect.y;
rect.w = config->rect.w;
rect.h = config->rect.h;
screen_w = config->rect.w;
screen_h = config->rect.h;
//start_airplay();
}
VideoSource::~VideoSource()
{
if (mediaPlayer != nullptr)
{
// media list and media list player
// media player
libvlc_video_set_callbacks(mediaPlayer, nullptr, nullptr, nullptr, nullptr);
libvlc_media_player_stop(mediaPlayer);
libvlc_media_player_release(mediaPlayer);
mediaPlayer = nullptr;
if (pixelData)
{
free(pixelData);
pixelData = nullptr;
}
}
if (vs != nullptr)
{
delete vs;
vs = nullptr;
}
av_free(pMediaFrame);
av_free(pMediaFrameYUV);
if (media_sws_context)
{
sws_freeContext(media_sws_context);
media_sws_context = nullptr;
}
MUTEX_DESTROY(textureLock);
//stop_airplay();
}
void *lock(void *data, void **pixelData)
{
VideoSource *_this = static_cast<VideoSource *>(data);
*pixelData = _this->pixelData;
MUTEX_LOCK(_this->textureLock);
return NULL;
}
void unlock(void *data, void *id, void *const *pixelData)
{
VideoSource *_this = static_cast<VideoSource *>(data);
_this->pMediaFrame->data[0] = (uint8_t *)malloc(_this->mediaWidth * _this->mediaHeight);
_this->pMediaFrame->data[1] = (uint8_t *)malloc((_this->mediaWidth / 2) * (_this->mediaHeight / 2));
_this->pMediaFrame->data[2] = (uint8_t *)malloc((_this->mediaWidth / 2) * (_this->mediaHeight / 2));
_this->pMediaFrame->linesize[0] = _this->mediaWidth;
_this->pMediaFrame->linesize[1] = _this->mediaWidth >> 1;
_this->pMediaFrame->linesize[2] = _this->mediaWidth >> 1;
uint8_t *Ydata = _this->pMediaFrame->data[0];
uint8_t *Udata = _this->pMediaFrame->data[1];
uint8_t *Vdata = _this->pMediaFrame->data[2];
uint8_t *PData = (uint8_t *)(*pixelData);
for (int i = 0; i < _this->mediaHeight; i++)
{
for (int j = 0; j < _this->mediaWidth / 2; j++)
{
if ((i & 1) == 0)
{
*Ydata++ = *PData++;
*Udata++ = *PData++;
*Ydata++ = *PData++;
*Vdata++ = *PData++;
}
else
{
*Ydata++ = *PData++;
*PData++;
*Ydata++ = *PData++;
*PData++;
}
}
}
MUTEX_UNLOCK(_this->textureLock);
SDL_Rect rect;
int w = _this->mediaWidth;
int h = _this->mediaHeight;
if (!_this->media_sws_context)
{
_this->media_sws_context = sws_getContext(w, h, AV_PIX_FMT_YUVJ420P,
_this->rect.w, _this->rect.h, PIX_FMT_YUV420P, SWS_BICUBIC /*SWS_POINT*/,
NULL, NULL, NULL);
memset(_this->bmp->pixels[0], 0x0, _this->bmp->w*_this->bmp->h);
memset(_this->bmp->pixels[1], 0x80, (_this->bmp->w*_this->bmp->h) >> 2);
memset(_this->bmp->pixels[2], 0x80, (_this->bmp->w*_this->bmp->h) >> 2);
}
SDL_LockYUVOverlay(_this->bmp);
_this->pMediaFrameYUV->data[0] = _this->bmp->pixels[0];
_this->pMediaFrameYUV->data[1] = _this->bmp->pixels[2];
_this->pMediaFrameYUV->data[2] = _this->bmp->pixels[1];
_this->pMediaFrameYUV->linesize[0] = _this->bmp->pitches[0];
_this->pMediaFrameYUV->linesize[1] = _this->bmp->pitches[2];
_this->pMediaFrameYUV->linesize[2] = _this->bmp->pitches[1];
sws_scale(_this->media_sws_context, (const uint8_t* const*)_this->pMediaFrame->data, _this->pMediaFrame->linesize, 0,
_this->mediaHeight, _this->pMediaFrameYUV->data, _this->pMediaFrameYUV->linesize);
SDL_UnlockYUVOverlay(_this->bmp);
free(_this->pMediaFrame->data[0]);
free(_this->pMediaFrame->data[1]);
free(_this->pMediaFrame->data[2]);
rect.x = _this->rect.x;
rect.y = _this->rect.y;
rect.w = _this->rect.w;
rect.h = _this->rect.h;
SDL_DisplayYUVOverlay(_this->bmp, &rect);
}
void display(void *data, void *id)
{
}
static void vlcEvent(const libvlc_event_t *e, void *data)
{
VideoSource *_this = reinterpret_cast<VideoSource *>(data);
if (e->type == libvlc_MediaPlayerEndReached) {
// clear the texture and memory data
// because we can still renders from the video
// and OBS that could fetch old data
MUTEX_LOCK(_this->textureLock);
//EnterCriticalSection(&_this->textureLock);
//if (!_this->config->isPlaylistLooping && !--_this->remainingVideos) {
_this->isRendering = false;
// _this->ClearTexture();
// }
MUTEX_UNLOCK(_this->textureLock);
//LeaveCriticalSection(&_this->textureLock);
} else if (e->type == libvlc_MediaPlayerPlaying) {
libvlc_time_t time;
time = libvlc_media_player_get_length(_this->mediaPlayer);
printf("MediaPlayerTimeChanged %lld ms\n", (long long)time);
_this->totalDuration = (long long)time;
_this->isPlaying = 1;
if (_this->isPaused == 1)
{
_this->isPaused = 0;
}
MUTEX_LOCK(_this->textureLock);
//EnterCriticalSection(&_this->textureLock);
_this->isRendering = true;
//LeaveCriticalSection(&_this->textureLock);
MUTEX_UNLOCK(_this->textureLock);
} else if (e->type == libvlc_MediaPlayerPositionChanged) {
// libvlc_event_detach(libvlc_media_player_event_manager(_this->mediaPlayer), libvlc_MediaPlayerPositionChanged, vlcEvent, _this);
float new_position = e->u.media_player_position_changed.new_position;
printf("MediaPlayerTimeChanged %f ms\n", new_position);
//Log(TEXT("=========%f======="),new_position);
#if 0
libvlc_video_set_adjust_int(_this->mediaPlayer, libvlc_adjust_Enable, _this->config->isApplyingVideoFilter ? 1 : 0);
if (_this->config->isApplyingVideoFilter) {
libvlc_video_set_adjust_float(_this->mediaPlayer, libvlc_adjust_Gamma, float(_this->config->videoGamma) / 100);
libvlc_video_set_adjust_float(_this->mediaPlayer, libvlc_adjust_Contrast, float(_this->config->videoContrast) / 100);
libvlc_video_set_adjust_float(_this->mediaPlayer, libvlc_adjust_Brightness, float(_this->config->videoBrightness) / 100);
}
#endif
}
else if (e->type == libvlc_MediaPlayerPaused)
{
_this->isPaused = 1;
}
else if (e->type == libvlc_MediaPlayerStopped)
{
_this->isPlaying = 0;
}
else if (e->type == libvlc_MediaDurationChanged)
{
int64_t duration = e->u.media_duration_changed.new_duration;
}
else if (e->type == libvlc_MediaPlayerTimeChanged)
{
libvlc_time_t time;
time = libvlc_media_player_get_time(_this->mediaPlayer);
printf("MediaPlayerTimeChanged %lld ms\n", (long long)time);
_this->currentPosition = (long)time;
}
}
unsigned VideoSource::VideoFormatCallback(
char *chroma,
unsigned *width,
unsigned *height,
unsigned *pitches,
unsigned *lines)
{
memcpy(chroma, CHROMA, sizeof(CHROMA) - 1);
*pitches = *width * 2;
*lines = *height;
MUTEX_LOCK(textureLock);
if (mediaWidth != *width || mediaHeight != *height)
{
if (pixelData)
{
free(pixelData);
pixelData = nullptr;
}
}
if (!pixelData)
{
pixelData = calloc((*width) * (*height) * 2, 1);
}
MUTEX_UNLOCK(textureLock);
mediaWidth = *width;
mediaHeight = *height;
return 1;
}
void VideoSource::VideoFormatCleanup()
{
}
void VideoSource::vlcplay(char *url, float fPosition)
{
MUTEX_LOCK(textureLock);
//EnterCriticalSection(&textureLock);
isRendering = false;
//LeaveCriticalSection(&textureLock);
MUTEX_UNLOCK(textureLock);
//libvlc_media_t *media = libvlc_media_new_path(vlc, url);
libvlc_media_t *media = libvlc_media_new_location(vlc, url);
/* Create a media player playing environement */
mediaPlayer = libvlc_media_player_new_from_media(media);
/* No need to keep the media now */
libvlc_media_release(media);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerEndReached, vlcEvent, this);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerPlaying, vlcEvent, this);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerOpening, vlcEvent, this);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerBuffering, vlcEvent, this);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerPaused, vlcEvent, this);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerStopped, vlcEvent, this);
libvlc_video_set_callbacks(mediaPlayer, lock, unlock, display, this);
libvlc_video_set_format_callbacks(mediaPlayer, videoFormatProxy, videoCleanupProxy);
#if 0
if (!audioOutputStreamHandler)
{
audioOutputStreamHandler = new AudioOutputStreamHandler(vlc, mediaPlayer);
}
audioOutputStreamHandler->SetOutputParameters(
config->audioOutputType,
config->audioOutputTypeDevice,
config->audioOutputDevice,
config->isAudioOutputToStream);
audioOutputStreamHandler->SetVolume(config->volume);
// set (possibly in vane) the volume. If it doesn't work it will try later until it works
// vlc... que pasa amigo
hasSetAsyncProperties = libvlc_audio_set_volume(mediaPlayer, config->volume) == 0;
#endif
MUTEX_LOCK(textureLock);
//EnterCriticalSection(&textureLock);
isRendering = true;
//LeaveCriticalSection(&textureLock);
MUTEX_UNLOCK(textureLock);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaDurationChanged, vlcEvent, this);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerPositionChanged, vlcEvent, this);
libvlc_event_attach(libvlc_media_player_event_manager(mediaPlayer), libvlc_MediaPlayerTimeChanged, vlcEvent, this);
// play the media_player
libvlc_media_player_play(mediaPlayer);
libvlc_media_player_set_position(mediaPlayer, fPosition);
}
int VideoState::queue_picture(AVFrame *pFrame)
{
SDL_Rect rect;
if (this->sws_context == NULL || width != pFrame->width || height != pFrame->height)
{
//
memset(((VideoSource *)this->vsource)->bmp->pixels[0], 0x0, ((VideoSource *)this->vsource)->bmp->w*((VideoSource *)this->vsource)->bmp->h);
memset(((VideoSource *)this->vsource)->bmp->pixels[1], 0x80, (((VideoSource *)this->vsource)->bmp->w*((VideoSource *)this->vsource)->bmp->h)>>2);
memset(((VideoSource *)this->vsource)->bmp->pixels[2], 0x80, (((VideoSource *)this->vsource)->bmp->w*((VideoSource *)this->vsource)->bmp->h)>>2);
if (this->sws_context)
{
sws_freeContext(this->sws_context);
this->sws_context = NULL;
}
int w = pFrame->width;
int h = pFrame->height;
this->sws_context = sws_getContext(w, h, (AVPixelFormat)pFrame->format,
((VideoSource *)this->vsource)->rect.w, ((VideoSource *)this->vsource)->rect.h, PIX_FMT_YUV420P, SWS_BICUBIC /*SWS_POINT*/,
NULL, NULL, NULL);
}
width = pFrame->width;
height = pFrame->height;
SDL_LockYUVOverlay(((VideoSource *)this->vsource)->bmp);
this->pFrameYUV->data[0] = ((VideoSource *)this->vsource)->bmp->pixels[0];// +((((VideoSource *)this->vsource)->screen_w - width) >> 1);
this->pFrameYUV->data[1] = ((VideoSource *)this->vsource)->bmp->pixels[2];// +((((VideoSource *)this->vsource)->screen_w - width) >> 2);
this->pFrameYUV->data[2] = ((VideoSource *)this->vsource)->bmp->pixels[1];// +((((VideoSource *)this->vsource)->screen_w - width) >> 2);
this->pFrameYUV->linesize[0] = ((VideoSource *)this->vsource)->bmp->pitches[0];
this->pFrameYUV->linesize[1] = ((VideoSource *)this->vsource)->bmp->pitches[2];
this->pFrameYUV->linesize[2] = ((VideoSource *)this->vsource)->bmp->pitches[1];
sws_scale(this->sws_context, (const uint8_t* const*)pFrame->data, pFrame->linesize, 0,
pFrame->height, this->pFrameYUV->data, this->pFrameYUV->linesize);
SDL_UnlockYUVOverlay(((VideoSource *)this->vsource)->bmp);
rect.x = ((VideoSource *)this->vsource)->rect.x;
rect.y = ((VideoSource *)this->vsource)->rect.y;
rect.w = ((VideoSource *)this->vsource)->rect.w;
rect.h = ((VideoSource *)this->vsource)->rect.h;
SDL_DisplayYUVOverlay(((VideoSource *)this->vsource)->bmp, &rect);
return 0;
}
void VideoState::video_thread_loop(VideoState *self)
{
AVPacket pkt1, *packet = &pkt1;
int frameFinished;
AVFrame *pFrame;
pFrame = avcodec_alloc_frame();
self->pFrameYUV = avcodec_alloc_frame();
while (!self->video_quit)
{
struct xdw_list_head *ptr;
xdw_pkt_video_qnode_t *pkt_qnode;
struct xdw_q_head *video_pkt_q = &(self->xdw_decoder_q_video->video_pkt_q);
ptr = xdw_q_pop(video_pkt_q);
if (ptr == NULL)
{
continue;
}
pkt_qnode = (xdw_pkt_video_qnode_t *)list_entry(ptr, xdw_pkt_video_qnode_t, list);
if (pkt_qnode == NULL)
{
continue;
}
av_new_packet(packet, pkt_qnode->VideoBuffer->size);
memcpy(packet->data, pkt_qnode->VideoBuffer->data, pkt_qnode->VideoBuffer->size);
free((void *)(pkt_qnode->VideoBuffer->data));
free((void *)(pkt_qnode->VideoBuffer));
free((void *)pkt_qnode);
avcodec_decode_video2(self->codecCtx, pFrame, &frameFinished, packet);
av_free_packet(packet);
// Did we get a video frame?
if (frameFinished)
{
int ret =0;
ret = self->queue_picture(pFrame);
if (ret < 0)
break;
}
}
av_free(pFrame);
av_free(self->pFrameYUV);
}
int VideoState::init(xdw_air_decoder_q *xdw_decoder_q, const void *privatedata, int privatedatalen)
{
xdw_decoder_q_video = xdw_decoder_q;
MUTEX_CREATE(pictq_mutex);
EVENT_CREATE(pictq_cond);
this->codec = avcodec_find_decoder(CODEC_ID_H264);
this->codecCtx = avcodec_alloc_context3(codec);
this->codecCtx->extradata = (uint8_t *)av_malloc(privatedatalen);
this->codecCtx->extradata_size = privatedatalen;
memcpy(this->codecCtx->extradata, privatedata, privatedatalen);
this->codecCtx->pix_fmt = PIX_FMT_YUV420P;
int res = avcodec_open2(this->codecCtx, this->codec, NULL);
if (res < 0)
{
printf("Failed to initialize decoder\n");
}
this->video_quit = false;
THREAD_CREATE(this->video_thread, (LPTHREAD_START_ROUTINE)video_thread_loop, this);
//this->audioClock = airtunes_audio_clock;
return 1;
}
void VideoState::deinit()
{
this->video_quit = true;
EVENT_POST(this->pictq_cond);
THREAD_JOIN(this->video_thread);
if (sws_context)
{
sws_freeContext(sws_context);
sws_context = NULL;
}
av_free(this->codecCtx->extradata);
avcodec_close(this->codecCtx);
av_free(this->codecCtx);
MUTEX_DESTROY(this->pictq_mutex);
EVENT_DESTORY(this->pictq_cond);
}
void VideoSource::airplay_open(void *cls, char *url, float fPosition)
{
if (((VideoSource *)cls)->vs != nullptr)
{
delete ((VideoSource *)cls)->vs;
((VideoSource *)cls)->vs = nullptr;
}
((VideoSource *)cls)->totalDuration = 0;
((VideoSource *)cls)->currentPosition = 0;
((VideoSource *)cls)->isPlaying = 0;
((VideoSource *)cls)->isPaused = 0;
if (((VideoSource *)cls)->media_sws_context)
{
sws_freeContext(((VideoSource *)cls)->media_sws_context);
((VideoSource *)cls)->media_sws_context = nullptr;
}
((VideoSource *)cls)->mediaWidth = 0;
((VideoSource *)cls)->mediaHeight = 0;
((VideoSource *)cls)->vlcplay(url, fPosition);
}
void VideoSource::airplay_play(void *cls)
{
// Log(TEXT("AirPlayServer~~~~~~~:airplay_open"));
libvlc_media_player_set_pause(((VideoSource *)cls)->mediaPlayer, 0);
}
void VideoSource::airplay_pause(void *cls)
{
// Log(TEXT("AirPlayServer~~~~~~~:airplay_pause"));
libvlc_media_player_set_pause(((VideoSource *)cls)->mediaPlayer, 1);
}
void VideoSource::airplay_stop(void *cls)
{
//Log(TEXT("AirPlayServer~~~~~~~:airplay_stop"));
libvlc_media_player_stop(((VideoSource *)cls)->mediaPlayer);
}
void VideoSource::airplay_seek(void *cls, long fPosition)
{
//Log(TEXT("AirPlayServer~~~~~~~:airplay_seek"));
libvlc_media_player_set_time(((VideoSource *)cls)->mediaPlayer, fPosition * 1000);
}
void VideoSource::airplay_setvolume(void *cls, int volume)
{
// Log(TEXT("AirPlayServer~~~~~~~:airplay_setvolume"));
}
void VideoSource::airplay_showphoto(void *cls, unsigned char *data, long long size)
{
// Log(TEXT("AirPlayServer~~~~~~~:airplay_showphoto"));
}
long VideoSource::airplay_getduration(void *cls)
{
// Log(TEXT("AirPlayServer~~~~~~~:airplay_pause"));
return ((VideoSource *)cls)->totalDuration;
}
long VideoSource::airplay_getpostion(void *cls)
{
//Log(TEXT("AirPlayServer~~~~~~~:airplay_seek"));
return ((VideoSource *)cls)->currentPosition;
}
int VideoSource::airplay_isplaying(void *cls)
{
// Log(TEXT("AirPlayServer~~~~~~~:airplay_setvolume"));
return ((VideoSource *)cls)->isPlaying;
}
int VideoSource::airplay_ispaused(void *cls)
{
return ((VideoSource *)cls)->isPaused;
}
void VideoSource::sdl_audio_callback(void *cls, uint8_t *stream, int len)
{
if (!((VideoSource *)cls)->audio_quit)
{
while (len > 0)
{
struct xdw_list_head *ptr;
xdw_pkt_audio_qnode_t *pkt_qnode;
struct xdw_q_head *audio_pkt_q = &(((VideoSource *)cls)->xdw_decoder_q.audio_pkt_q);
ptr = xdw_q_pop(audio_pkt_q);
if (ptr == NULL)
{
memset(stream, 0, len);
break;
}
pkt_qnode = (xdw_pkt_audio_qnode_t *)list_entry(ptr, xdw_pkt_audio_qnode_t, list);
if (pkt_qnode == NULL)
{
memset(stream, 0, len);
break;
}
SDL_MixAudio(stream, (unsigned char *)pkt_qnode->abuffer, pkt_qnode->len, ((VideoSource *)cls)->audio_volume);
len -= pkt_qnode->len;
stream += pkt_qnode->len;
free((void *)(pkt_qnode->abuffer));
free((void *)pkt_qnode);
}
}
else
{
memset(stream, 0, len);
}
}
void VideoSource::audio_init(void *cls, int bits, int channels, int samplerate, int isaudio)
{
if (((VideoSource *)cls)->mediaPlayer != nullptr)
{
MUTEX_LOCK(((VideoSource *)cls)->textureLock);
//EnterCriticalSection(&((VideoSource *)cls)->textureLock);
((VideoSource *)cls)->isRendering = false;
//LeaveCriticalSection(&((VideoSource *)cls)->textureLock);
MUTEX_UNLOCK(((VideoSource *)cls)->textureLock);
// media player
libvlc_video_set_callbacks(((VideoSource *)cls)->mediaPlayer, nullptr, nullptr, nullptr, nullptr);
libvlc_media_player_stop(((VideoSource *)cls)->mediaPlayer);
libvlc_media_player_release(((VideoSource *)cls)->mediaPlayer);
((VideoSource *)cls)->mediaPlayer = nullptr;
if (((VideoSource *)cls)->pixelData)
{
free(((VideoSource *)cls)->pixelData);
((VideoSource *)cls)->pixelData = nullptr;
}
}
struct xdw_q_head *q_head;
q_head = &(((VideoSource *)cls)->xdw_decoder_q.audio_pkt_q);
while (!xdw_q_is_empty(q_head))
{
struct xdw_list_head *ptr;
xdw_pkt_audio_qnode_t *frm_node;
ptr = xdw_q_pop(q_head);
if (!ptr)
break; // error
frm_node = list_entry(ptr, xdw_pkt_audio_qnode_t, list);
free(frm_node->abuffer);
free(frm_node);
}
SDL_AudioSpec wanted_spec;
wanted_spec.freq = samplerate;
wanted_spec.format = AUDIO_S16SYS;
wanted_spec.channels = 2;
wanted_spec.silence = 0;
if (isaudio == 3)
wanted_spec.samples = 4096;
else if (isaudio == 2)
wanted_spec.samples = 16384;
else if(isaudio == 1)
wanted_spec.samples = 1408;
else
wanted_spec.samples = 1920;
wanted_spec.callback = sdl_audio_callback;
wanted_spec.userdata = cls;
if (SDL_OpenAudio(&wanted_spec, NULL) < 0)
{
printf("can't open audio.\n");
return;
}
SDL_PauseAudio(0);
((VideoSource *)cls)->audio_quit = false;
}
void VideoSource::audio_process(void *cls, const void *buffer, int buflen, double timestamp, uint32_t seqnum)
{
//airtunes_audio_timestamp = timestamp;
if (buflen > 0)
{
unsigned char *mbuffer = (unsigned char *)malloc(buflen);
xdw_pkt_audio_qnode_t *frm_node = (xdw_pkt_audio_qnode_t *)malloc(sizeof(xdw_pkt_audio_qnode_t));
memcpy(mbuffer, buffer, buflen);
frm_node->abuffer = mbuffer;
frm_node->len = buflen;
xdw_q_push(&frm_node->list, &(((VideoSource *)cls)->xdw_decoder_q.audio_pkt_q));
}
}
void VideoSource::audio_destory(void *cls)
{
struct xdw_q_head *q_head;
q_head = &(((VideoSource *)cls)->xdw_decoder_q.audio_pkt_q);
while (!xdw_q_is_empty(q_head))
{
struct xdw_list_head *ptr;
xdw_pkt_audio_qnode_t *frm_node;
ptr = xdw_q_pop(q_head);
if (!ptr)
break; // error
frm_node = list_entry(ptr, xdw_pkt_audio_qnode_t, list);
free(frm_node->abuffer);
free(frm_node);
}
if (((VideoSource *)cls)->audio_quit == false)
{
((VideoSource *)cls)->audio_quit = true;
SDL_CloseAudio();
}
//airtunes_audio_timestamp = -1.0;
}
void VideoSource::audio_setvolume(void *cls, int volume)
{
((VideoSource *)cls)->audio_volume = volume;
}
void VideoSource::audio_setmetadata(void *cls, const void *buffer, int buflen)
{
}
void VideoSource::audio_setcoverart(void *cls, const void *buffer, int buflen)
{
}
void VideoSource::audio_flush(void *cls)
{
}
void VideoSource::mirroring_play(void *cls, int width, int height, const void *buffer, int buflen, int payloadtype, double timestamp)
{
//printf("==================width=%d,height=%d==============\n",width,height);
#if SAVE_264_ENABLE
{
m_handle = fopen("test.264", "wb");
int spscnt;
int spsnalsize;
int ppscnt;
int ppsnalsize;
unsigned char *head = (unsigned char *)buffer;
spscnt = head[5] & 0x1f;
spsnalsize = ((uint32_t)head[6] << 8) | ((uint32_t)head[7]);
ppscnt = head[8 + spsnalsize];
ppsnalsize = ((uint32_t)head[9 + spsnalsize] << 8) | ((uint32_t)head[10 + spsnalsize]);
unsigned char *data = (unsigned char *)malloc(4 + spsnalsize + 4 + ppsnalsize);
data[0] = 0;
data[1] = 0;
data[2] = 0;
data[3] = 1;
memcpy(data + 4, head + 8, spsnalsize);
data[4 + spsnalsize] = 0;
data[5 + spsnalsize] = 0;
data[6 + spsnalsize] = 0;
data[7 + spsnalsize] = 1;
memcpy(data + 8 + spsnalsize, head + 11 + spsnalsize, ppsnalsize);
fwrite(data, 1, 4 + spsnalsize + 4 + ppsnalsize, m_handle);
free(data);
}
#endif
if (((VideoSource *)cls)->mediaPlayer != nullptr)
{
MUTEX_LOCK(((VideoSource *)cls)->textureLock);
//EnterCriticalSection(&((VideoSource *)cls)->textureLock);
((VideoSource *)cls)->isRendering = false;