Пример #1
0
static event_t *
openspc_play(media_pipe_t *mp, AVIOContext *avio, char *errbuf, size_t errlen)
{
  media_queue_t *mq = &mp->mp_audio;
#error fa_fsize can return -1 .. deal with it
  size_t r, siz = fa_fsize(fh);
  uint8_t *buf = malloc(siz);
  media_buf_t *mb = NULL;
  event_t *e;
  int hold = 0, lost_focus = 0;
  int sample = 0;
  unsigned int duration = INT32_MAX;

  mp_set_playstatus_by_hold(mp, hold, NULL);

  mp->mp_audio.mq_stream = 0;

  fa_seek(fh, 0, SEEK_SET);
  r = fa_read(fh, buf, siz);
  fa_close(fh);
  
  if(r != siz) {
    free(buf);
    snprintf(errbuf, errlen, "openspc: Unable to read file");
    return NULL;
  }

  if(OSPC_Init(buf, siz)) {
    free(buf);
    snprintf(errbuf, errlen, "openspc: Unable to initialize file");
    return NULL;
  }

  if(!memcmp("v0.30", buf + 0x1c, 4) && buf[0x23] == 0x1a) {
    char str[4];
    memcpy(str, buf + 0xa9, 3);
    str[3] = 0;
    duration = atoi(str) * 32000;
  }

  mp_set_play_caps(mp, MP_PLAY_CAPS_PAUSE);

  mp_become_primary(mp);

  while(1) {

    if(mb == NULL) {

      if(sample > duration) {
	while((e = mp_wait_for_empty_queues(mp, 0)) != NULL) {
	  if(event_is_type(e, EVENT_PLAYQUEUE_JUMP) ||
	     event_is_action(e, ACTION_PREV_TRACK) ||
	     event_is_action(e, ACTION_NEXT_TRACK) ||
	     event_is_action(e, ACTION_STOP)) {
	    mp_flush(mp, 0);
	    break;
	  }
	  event_release(e);
	}
	if(e == NULL)
	  e = event_create_type(EVENT_EOF);
	break;
       }

      mb = media_buf_alloc();
      mb->mb_data_type = MB_AUDIO;
      mb->mb_size = sizeof(int16_t) * 2048 * 2;
      mb->mb_data = malloc(mb->mb_size);
      mb->mb_size = OSPC_Run(-1, mb->mb_data, mb->mb_size);

      mb->mb_channels = 2;
      mb->mb_rate = 32000;

      mb->mb_time = sample * 1000000LL / mb->mb_rate;
      sample += 2048;
    }

    if((e = mb_enqueue_with_events(mp, mq, mb)) == NULL) {
      mb = NULL; /* Enqueue succeeded */
      continue;
    }

    if(event_is_type(e, EVENT_PLAYQUEUE_JUMP)) {
      mp_flush(mp, 0);
      break;
    } else if(event_is_action(e, ACTION_PLAYPAUSE) ||
	      event_is_action(e, ACTION_PLAY) ||
	      event_is_action(e, ACTION_PAUSE)) {

      hold = action_update_hold_by_event(hold, e);
      mp_send_cmd_head(mp, mq, hold ? MB_CTRL_PAUSE : MB_CTRL_PLAY);
      lost_focus = 0;
      mp_set_playstatus_by_hold(mp, hold, NULL);

    } else if(event_is_type(e, EVENT_MP_NO_LONGER_PRIMARY)) {

      hold = 1;
      lost_focus = 1;
      mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
      mp_set_playstatus_by_hold(mp, hold, e->e_payload);

    } else if(event_is_type(e, EVENT_MP_IS_PRIMARY)) {

      if(lost_focus) {
	hold = 0;
	lost_focus = 0;
	mp_send_cmd_head(mp, mq, MB_CTRL_PLAY);
	mp_set_playstatus_by_hold(mp, hold, NULL);
      }

    } else if(event_is_type(e, EVENT_INTERNAL_PAUSE)) {

      hold = 1;
      lost_focus = 0;
      mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
      mp_set_playstatus_by_hold(mp, hold, e->e_payload);

    } else if(event_is_action(e, ACTION_PREV_TRACK) ||
	      event_is_action(e, ACTION_NEXT_TRACK) ||
	      event_is_action(e, ACTION_STOP)) {
      mp_flush(mp, 0);
      break;
    }
    event_release(e);
  }

  free(buf);
  return e;
}
Пример #2
0
event_t *
be_file_playaudio(const char *url, media_pipe_t *mp,
		  char *errbuf, size_t errlen, int hold, const char *mimetype)
{
  AVFormatContext *fctx;
  AVCodecContext *ctx;
  AVPacket pkt;
  media_format_t *fw;
  int i, r, si;
  media_buf_t *mb = NULL;
  media_queue_t *mq;
  event_ts_t *ets;
  int64_t ts, seekbase = 0;
  media_codec_t *cw;
  event_t *e;
  int lost_focus = 0;
  int registered_play = 0;

  mp_set_playstatus_by_hold(mp, hold, NULL);

  fa_handle_t *fh = fa_open_ex(url, errbuf, errlen, FA_BUFFERED_SMALL, NULL);
  if(fh == NULL)
    return NULL;

  // First we need to check for a few other formats
#if ENABLE_LIBOPENSPC || ENABLE_LIBGME

  uint8_t pb[128];
  size_t psiz;
  
  psiz = fa_read(fh, pb, sizeof(pb));
  if(psiz < sizeof(pb)) {
    fa_close(fh);
    snprintf(errbuf, errlen, "Fill too small");
    return NULL;
  }

#if ENABLE_LIBGME
  if(*gme_identify_header(pb))
    return fa_gme_playfile(mp, fh, errbuf, errlen, hold, url);
#endif

#if ENABLE_LIBOPENSPC
  if(!memcmp(pb, "SNES-SPC700 Sound File Data", 27))
    return openspc_play(mp, fh, errbuf, errlen);
#endif

#endif

  
  AVIOContext *avio = fa_libav_reopen(fh);

  if(avio == NULL) {
    fa_close(fh);
    return NULL;
  }

  if((fctx = fa_libav_open_format(avio, url, 
				  errbuf, errlen, mimetype)) == NULL) {
    fa_libav_close(avio);
    return NULL;
  }

  TRACE(TRACE_DEBUG, "Audio", "Starting playback of %s", url);

  mp_configure(mp, MP_PLAY_CAPS_SEEK | MP_PLAY_CAPS_PAUSE,
	       MP_BUFFER_SHALLOW);

  mp->mp_audio.mq_stream = -1;
  mp->mp_video.mq_stream = -1;

  fw = media_format_create(fctx);

  cw = NULL;
  for(i = 0; i < fctx->nb_streams; i++) {
    ctx = fctx->streams[i]->codec;

    if(ctx->codec_type != AVMEDIA_TYPE_AUDIO)
      continue;

    cw = media_codec_create(ctx->codec_id, 0, fw, ctx, NULL, mp);
    mp->mp_audio.mq_stream = i;
    break;
  }
  
  if(cw == NULL) {
    media_format_deref(fw);
    snprintf(errbuf, errlen, "Unable to open codec");
    return NULL;
  }

  mp_become_primary(mp);
  mq = &mp->mp_audio;

  while(1) {

    /**
     * Need to fetch a new packet ?
     */
    if(mb == NULL) {
      
      mp->mp_eof = 0;
      r = av_read_frame(fctx, &pkt);
      if(r == AVERROR(EAGAIN))
	continue;
      
      if(r == AVERROR_EOF || r == AVERROR(EIO)) {
	mb = MB_SPECIAL_EOF;
	mp->mp_eof = 1;
	continue;
      }
      
      if(r != 0) {
	char msg[100];
	fa_ffmpeg_error_to_txt(r, msg, sizeof(msg));
	TRACE(TRACE_ERROR, "Audio", "Playback error: %s", msg);

	while((e = mp_wait_for_empty_queues(mp)) != NULL) {
	  if(event_is_type(e, EVENT_PLAYQUEUE_JUMP) ||
	     event_is_action(e, ACTION_PREV_TRACK) ||
	     event_is_action(e, ACTION_NEXT_TRACK) ||
	     event_is_action(e, ACTION_STOP)) {
	    mp_flush(mp, 0);
	    break;
	  }
	  event_release(e);
	}
	if(e == NULL)
	  e = event_create_type(EVENT_EOF);
	break;
      }

      si = pkt.stream_index;

      if(si != mp->mp_audio.mq_stream) {
	av_free_packet(&pkt);
	continue;
      }



      mb = media_buf_alloc_unlocked(mp, pkt.size);
      mb->mb_data_type = MB_AUDIO;

      mb->mb_pts      = rescale(fctx, pkt.pts,      si);
      mb->mb_dts      = rescale(fctx, pkt.dts,      si);
      mb->mb_duration = rescale(fctx, pkt.duration, si);

      mb->mb_cw = media_codec_ref(cw);

      /* Move the data pointers from ffmpeg's packet */

      mb->mb_stream = pkt.stream_index;

      memcpy(mb->mb_data, pkt.data, pkt.size);

      if(mb->mb_pts != AV_NOPTS_VALUE) {
	if(fctx->start_time == AV_NOPTS_VALUE)
	  mb->mb_time = mb->mb_pts;
	else
	  mb->mb_time = mb->mb_pts - fctx->start_time;
      } else
	mb->mb_time = AV_NOPTS_VALUE;

      mb->mb_send_pts = 1;

      av_free_packet(&pkt);
    }

    /*
     * Try to send the buffer.  If mb_enqueue() returns something we
     * catched an event instead of enqueueing the buffer. In this case
     * 'mb' will be left untouched.
     */

    if(mb == MB_SPECIAL_EOF) {
      // We have reached EOF, drain queues
      e = mp_wait_for_empty_queues(mp);
      
      if(e == NULL) {
	e = event_create_type(EVENT_EOF);
	break;
      }

    } else if((e = mb_enqueue_with_events(mp, mq, mb)) == NULL) {
      mb = NULL; /* Enqueue succeeded */
      continue;
    }      

    if(event_is_type(e, EVENT_PLAYQUEUE_JUMP)) {

      mp_flush(mp, 0);
      break;

    } else if(event_is_type(e, EVENT_CURRENT_PTS)) {

      ets = (event_ts_t *)e;
      seekbase = ets->ts;

      if(registered_play == 0) {
	if(ets->ts - fctx->start_time > METADB_AUDIO_PLAY_THRESHOLD) {
	  registered_play = 1;
	  metadb_register_play(url, 1, CONTENT_AUDIO);
	}
      }

    } else if(event_is_type(e, EVENT_SEEK)) {

      ets = (event_ts_t *)e;
      ts = ets->ts + fctx->start_time;
      if(ts < fctx->start_time)
	ts = fctx->start_time;
      av_seek_frame(fctx, -1, ts, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);
      
    } else if(event_is_action(e, ACTION_SEEK_FAST_BACKWARD)) {

      av_seek_frame(fctx, -1, seekbase - 60000000, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);

    } else if(event_is_action(e, ACTION_SEEK_BACKWARD)) {

      av_seek_frame(fctx, -1, seekbase - 15000000, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);

    } else if(event_is_action(e, ACTION_SEEK_FAST_FORWARD)) {

      av_seek_frame(fctx, -1, seekbase + 60000000, 0);
      seekflush(mp, &mb);

    } else if(event_is_action(e, ACTION_SEEK_FORWARD)) {

      av_seek_frame(fctx, -1, seekbase + 15000000, 0);
      seekflush(mp, &mb);
#if 0
    } else if(event_is_action(e, ACTION_RESTART_TRACK)) {

      av_seek_frame(fctx, -1, 0, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);
#endif
    } else if(event_is_action(e, ACTION_PLAYPAUSE) ||
	      event_is_action(e, ACTION_PLAY) ||
	      event_is_action(e, ACTION_PAUSE)) {

      hold = action_update_hold_by_event(hold, e);
      mp_send_cmd_head(mp, mq, hold ? MB_CTRL_PAUSE : MB_CTRL_PLAY);
      lost_focus = 0;
      mp_set_playstatus_by_hold(mp, hold, NULL);

    } else if(event_is_type(e, EVENT_MP_NO_LONGER_PRIMARY)) {

      hold = 1;
      lost_focus = 1;
      mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
      mp_set_playstatus_by_hold(mp, hold, e->e_payload);

    } else if(event_is_type(e, EVENT_MP_IS_PRIMARY)) {

      if(lost_focus) {
	hold = 0;
	lost_focus = 0;
	mp_send_cmd_head(mp, mq, MB_CTRL_PLAY);
	mp_set_playstatus_by_hold(mp, hold, NULL);
      }

    } else if(event_is_type(e, EVENT_INTERNAL_PAUSE)) {

      hold = 1;
      lost_focus = 0;
      mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
      mp_set_playstatus_by_hold(mp, hold, e->e_payload);

    } else if(event_is_action(e, ACTION_PREV_TRACK) ||
	      event_is_action(e, ACTION_NEXT_TRACK) ||
	      event_is_action(e, ACTION_STOP)) {
      mp_flush(mp, 0);
      break;
    }
    event_release(e);
  }

  if(mb != NULL && mb != MB_SPECIAL_EOF)
    media_buf_free_unlocked(mp, mb);

  media_codec_deref(cw);
  media_format_deref(fw);

  if(hold) { 
    // If we were paused, release playback again.
    mp_send_cmd(mp, mq, MB_CTRL_PLAY);
    mp_set_playstatus_by_hold(mp, 0, NULL);
  }

  return e;
}
Пример #3
0
static event_t *
fa_gme_playfile_internal(media_pipe_t *mp, const void *buf, size_t size,
			 char *errbuf, size_t errlen, int hold, int track,
			 const char *url)
{
  media_queue_t *mq = &mp->mp_audio;
  Music_Emu *emu;
  gme_err_t err;
  int sample_rate = 48000;
  media_buf_t *mb = NULL;
  event_t *e;
  int registered_play = 0;

  err = gme_open_data(buf, size, &emu, sample_rate);
  if(err != NULL) {
    snprintf(errbuf, errlen, "Unable to load file -- %s", err);
    return NULL;
  }

  gme_start_track(emu, track);

  mp->mp_audio.mq_stream = 0;
  mp_configure(mp, MP_PLAY_CAPS_PAUSE | MP_PLAY_CAPS_SEEK,
	       MP_BUFFER_SHALLOW, 0, "tracks");
  mp_become_primary(mp);
  

  while(1) {

    if(mb == NULL) {

      if(gme_track_ended(emu)) {
	mb = MB_EOF;
      } else {
	mb = media_buf_alloc_unlocked(mp, sizeof(int16_t) * CHUNK_SIZE * 2);
	mb->mb_data_type = MB_AUDIO;
	mb->mb_channels = 2;
	mb->mb_rate = sample_rate;
	mb->mb_pts = gme_tell(emu) * 1000;
	mb->mb_drive_clock = 1;

	if(!registered_play && mb->mb_pts > METADB_AUDIO_PLAY_THRESHOLD) {
	  registered_play = 1;
	  metadb_register_play(url, 1, CONTENT_AUDIO);
	}

	gme_play(emu, CHUNK_SIZE * mb->mb_channels, mb->mb_data);
      }
    }

    if(mb == MB_EOF) {
      /* Wait for queues to drain */
      e = mp_wait_for_empty_queues(mp);

      if(e == NULL) {
	e = event_create_type(EVENT_EOF);
	break;
      }
    } else if((e = mb_enqueue_with_events(mp, mq, mb)) == NULL) {
      mb = NULL; /* Enqueue succeeded */
      continue;
    }

    if(event_is_type(e, EVENT_PLAYQUEUE_JUMP)) {
      mp_flush(mp, 0);
      break;

    } else if(event_is_type(e, EVENT_SEEK)) {

      event_ts_t *ets = (event_ts_t *)e;
      gme_seek(emu, ets->ts / 1000);
      seekflush(mp, &mb);
      
    } else if(event_is_action(e, ACTION_SKIP_BACKWARD) ||
	      event_is_action(e, ACTION_SKIP_FORWARD) ||
	      event_is_action(e, ACTION_STOP)) {
      mp_flush(mp, 0);
      break;
    }
    event_release(e);
  }  

  gme_delete(emu);

  if(mb != NULL && mb != MB_EOF)
    media_buf_free_unlocked(mp, mb);

  return e;
}
Пример #4
0
static event_t *
rtmp_loop(rtmp_t *r, media_pipe_t *mp, char *url, char *errbuf, size_t errlen)
{
  RTMPPacket p = {0};
  int pos = -1, ret;
  uint32_t dts;
  event_t *e = NULL;

  while(1) {


    if(pos == -1) {

      mp->mp_eof = 0;
      ret = RTMP_GetNextMediaPacket(r->r, &p);

      if(ret == 2) {
	/* Wait for queues to drain */
	mp->mp_eof = 1;
      again:
	e = mp_wait_for_empty_queues(mp);

	if(e != NULL) {
	  e = rtmp_process_event(r, e, NULL);
	  if(e == NULL)
	    goto again;
	}

	if(e == NULL)
	  e = event_create_type(EVENT_EOF);
	break;
      }

      if(ret == 0) {
	int64_t restartpos = r->seekpos_video;

        if(cancellable_is_cancelled(mp->mp_cancellable)) {
          snprintf(errbuf, errlen, "Cancelled");
          return NULL;
        }

	TRACE(TRACE_ERROR, "RTMP", "Disconnected");
	sleep(1);

	if(restartpos == AV_NOPTS_VALUE) {
	  snprintf(errbuf, errlen,
		   "Giving up restart since nothing was decoded");
	  return NULL;
	}


	RTMP_Close(r->r);

	RTMP_Init(r->r, mp->mp_cancellable);

	memset(&p, 0, sizeof(p));

	TRACE(TRACE_DEBUG, "RTMP", "Reconnecting stream at pos %ld", 
	      restartpos);

	if(!RTMP_SetupURL(r->r, url)) {
	  snprintf(errbuf, errlen, "Unable to setup RTMP session");
	  return NULL;
	}

	if(!RTMP_Connect(r->r, NULL, errbuf, errlen, 5000)) {
	  return NULL;
	}

	if(!RTMP_ConnectStream(r->r, 0)) {
	  snprintf(errbuf, errlen, "Unable to stream RTMP session");
	  return NULL;
	}

	if(mp->mp_flags & MP_CAN_SEEK)
	  RTMP_SendSeek(r->r, restartpos / 1000);
	continue;
      }

      dts = p.m_nTimeStamp;

      switch(p.m_packetType) {
      case RTMP_PACKET_TYPE_INFO:
	if(handle_metadata(r, p.m_body, p.m_nBodySize, mp, errbuf, errlen)) {
	  RTMPPacket_Free(&p);
	  return NULL;
	}
	break;

      case RTMP_PACKET_TYPE_VIDEO:
	e = get_packet_v(r, (void *)p.m_body, p.m_nBodySize, dts, mp);
	break;

      case RTMP_PACKET_TYPE_AUDIO:
	e = get_packet_a(r, (void *)p.m_body, p.m_nBodySize, dts, mp);
	break;
	
      case 0x16:
	pos = 0;
	break;
      default:
	TRACE(TRACE_DEBUG, "RTMP", 
	      "Got unknown packet type %d\n", p.m_packetType);
	break;
      }
      if(pos == -1)
	RTMPPacket_Free(&p);
    }

    if(pos != -1) {
      if(pos + 11 < p.m_nBodySize) {
	uint32_t ds = AMF_DecodeInt24(p.m_body + pos + 1);
	  
	if(pos + 11 + ds + 4 > p.m_nBodySize) {
	  snprintf(errbuf, errlen, "Corrupt stream");
	  RTMPPacket_Free(&p);
	  return NULL;
	}

	dts = AMF_DecodeInt24(p.m_body + pos + 4);
	dts |= (p.m_body[pos + 7] << 24);

	if(p.m_body[pos] == RTMP_PACKET_TYPE_INFO) {
	  if(handle_metadata(r, p.m_body, p.m_nBodySize, mp, errbuf, errlen)) {
	    RTMPPacket_Free(&p);
	    return NULL;
	  }
	} else if(p.m_body[pos] == RTMP_PACKET_TYPE_VIDEO) {
	  e = get_packet_v(r, (void *)p.m_body + pos + 11, ds, dts, mp);
	} else if(p.m_body[pos] == RTMP_PACKET_TYPE_AUDIO) {
	  e = get_packet_a(r, (void *)p.m_body + pos + 11, ds, dts, mp);
	} else {
	  TRACE(TRACE_DEBUG, "RTMP", 
		"Got unknown packet type %d\n", p.m_body[pos]);
	}
	pos += 11 + ds + 4;
      } else {
	pos = -1;
	RTMPPacket_Free(&p);
      }
    }
    if(e != NULL)
      break;
  }
  return e;
}
Пример #5
0
event_t *
be_file_playaudio(const char *url, media_pipe_t *mp,
		  char *errbuf, size_t errlen, int hold)
{
  AVFormatContext *fctx;
  AVIOContext *avio;
  AVCodecContext *ctx;
  AVPacket pkt;
  media_format_t *fw;
  int i, r, si;
  media_buf_t *mb = NULL;
  media_queue_t *mq;
  event_ts_t *ets;
  int64_t ts, pts4seek = 0;
  media_codec_t *cw;
  event_t *e;
  int lost_focus = 0;

  mp_set_playstatus_by_hold(mp, hold, NULL);

  if((avio = fa_libav_open(url, 32768, errbuf, errlen)) == NULL)
    return NULL;


  // First we need to check for a few other formats
#if ENABLE_LIBOPENSPC || ENABLE_LIBGME

  uint8_t pb[128];
  size_t psiz;
  
  psiz = avio_read(avio, pb, sizeof(pb));
  if(psiz < sizeof(pb)) {
    fa_libav_close(avio);
    snprintf(errbuf, errlen, "Fill too small");
    return NULL;
  }

#if ENABLE_LIBGME
  if(*gme_identify_header(pb))
    return fa_gme_playfile(mp, avio, errbuf, errlen, hold);
#endif

#if ENABLE_LIBOPENSPC
  if(!memcmp(pb, "SNES-SPC700 Sound File Data", 27))
    return openspc_play(mp, avio, errbuf, errlen);
#endif

#endif

  if((fctx = fa_libav_open_format(avio, url, errbuf, errlen)) == NULL) {
    fa_libav_close(avio);
    return NULL;
  }

  TRACE(TRACE_DEBUG, "Audio", "Starting playback of %s", url);

  mp_set_play_caps(mp, MP_PLAY_CAPS_SEEK | MP_PLAY_CAPS_PAUSE);

  mp->mp_audio.mq_stream = -1;
  mp->mp_video.mq_stream = -1;

  fw = media_format_create(fctx);

  cw = NULL;
  for(i = 0; i < fctx->nb_streams; i++) {
    ctx = fctx->streams[i]->codec;

    if(ctx->codec_type != AVMEDIA_TYPE_AUDIO)
      continue;

    cw = media_codec_create(ctx->codec_id, 0, fw, ctx, NULL, mp);
    mp->mp_audio.mq_stream = i;
    break;
  }
  
  if(cw == NULL) {
    media_format_deref(fw);
    snprintf(errbuf, errlen, "Unable to open codec");
    return NULL;
  }

  mp_become_primary(mp);
  mq = &mp->mp_audio;

  while(1) {

    /**
     * Need to fetch a new packet ?
     */
    if(mb == NULL) {

      if((r = av_read_frame(fctx, &pkt)) < 0) {

	while((e = mp_wait_for_empty_queues(mp, 0)) != NULL) {
	  if(event_is_type(e, EVENT_PLAYQUEUE_JUMP) ||
	     event_is_action(e, ACTION_PREV_TRACK) ||
	     event_is_action(e, ACTION_NEXT_TRACK) ||
	     event_is_action(e, ACTION_STOP)) {
	    mp_flush(mp, 0);
	    break;
	  }
	  event_release(e);
	}
	if(e == NULL)
	  e = event_create_type(EVENT_EOF);
	break;
      }

      si = pkt.stream_index;

      if(si == mp->mp_audio.mq_stream) {
	/* Current audio stream */
	mb = media_buf_alloc();
	mb->mb_data_type = MB_AUDIO;

      } else {
	/* Check event queue ? */
	av_free_packet(&pkt);
	continue;
      }


      mb->mb_pts      = rescale(fctx, pkt.pts,      si);
      mb->mb_dts      = rescale(fctx, pkt.dts,      si);
      mb->mb_duration = rescale(fctx, pkt.duration, si);

      mb->mb_cw = media_codec_ref(cw);

      /* Move the data pointers from ffmpeg's packet */

      mb->mb_stream = pkt.stream_index;

      av_dup_packet(&pkt);

      mb->mb_data = pkt.data;
      pkt.data = NULL;

      mb->mb_size = pkt.size;
      pkt.size = 0;

      if(mb->mb_pts != AV_NOPTS_VALUE) {
	if(fctx->start_time == AV_NOPTS_VALUE)
	  mb->mb_time = mb->mb_pts;
	else
	  mb->mb_time = mb->mb_pts - fctx->start_time;
	pts4seek = mb->mb_time;
      } else
	mb->mb_time = AV_NOPTS_VALUE;


      av_free_packet(&pkt);
    }

    /*
     * Try to send the buffer.  If mb_enqueue() returns something we
     * catched an event instead of enqueueing the buffer. In this case
     * 'mb' will be left untouched.
     */

    if((e = mb_enqueue_with_events(mp, mq, mb)) == NULL) {
      mb = NULL; /* Enqueue succeeded */
      continue;
    }      

    if(event_is_type(e, EVENT_PLAYQUEUE_JUMP)) {

      mp_flush(mp, 0);
      break;

    } else if(event_is_type(e, EVENT_SEEK)) {

      ets = (event_ts_t *)e;
      ts = ets->pts + fctx->start_time;
      if(ts < fctx->start_time)
	ts = fctx->start_time;
      av_seek_frame(fctx, -1, ts, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);
      
    } else if(event_is_action(e, ACTION_SEEK_FAST_BACKWARD)) {

      av_seek_frame(fctx, -1, pts4seek - 60000000, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);

    } else if(event_is_action(e, ACTION_SEEK_BACKWARD)) {

      av_seek_frame(fctx, -1, pts4seek - 15000000, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);

    } else if(event_is_action(e, ACTION_SEEK_FAST_FORWARD)) {

      av_seek_frame(fctx, -1, pts4seek + 60000000, 0);
      seekflush(mp, &mb);

    } else if(event_is_action(e, ACTION_SEEK_FORWARD)) {

      av_seek_frame(fctx, -1, pts4seek + 15000000, 0);
      seekflush(mp, &mb);
#if 0
    } else if(event_is_action(e, ACTION_RESTART_TRACK)) {

      av_seek_frame(fctx, -1, 0, AVSEEK_FLAG_BACKWARD);
      seekflush(mp, &mb);
#endif
    } else if(event_is_action(e, ACTION_PLAYPAUSE) ||
	      event_is_action(e, ACTION_PLAY) ||
	      event_is_action(e, ACTION_PAUSE)) {

      hold = action_update_hold_by_event(hold, e);
      mp_send_cmd_head(mp, mq, hold ? MB_CTRL_PAUSE : MB_CTRL_PLAY);
      lost_focus = 0;
      mp_set_playstatus_by_hold(mp, hold, NULL);

    } else if(event_is_type(e, EVENT_MP_NO_LONGER_PRIMARY)) {

      hold = 1;
      lost_focus = 1;
      mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
      mp_set_playstatus_by_hold(mp, hold, e->e_payload);

    } else if(event_is_type(e, EVENT_MP_IS_PRIMARY)) {

      if(lost_focus) {
	hold = 0;
	lost_focus = 0;
	mp_send_cmd_head(mp, mq, MB_CTRL_PLAY);
	mp_set_playstatus_by_hold(mp, hold, NULL);
      }

    } else if(event_is_type(e, EVENT_INTERNAL_PAUSE)) {

      hold = 1;
      lost_focus = 0;
      mp_send_cmd_head(mp, mq, MB_CTRL_PAUSE);
      mp_set_playstatus_by_hold(mp, hold, e->e_payload);

    } else if(event_is_action(e, ACTION_PREV_TRACK) ||
	      event_is_action(e, ACTION_NEXT_TRACK) ||
	      event_is_action(e, ACTION_STOP)) {
      mp_flush(mp, 0);
      break;
    }
    event_release(e);
  }

  if(mb != NULL)
    media_buf_free(mb);

  media_codec_deref(cw);
  media_format_deref(fw);

  if(hold) { 
    // If we were paused, release playback again.
    mp_send_cmd(mp, mq, MB_CTRL_PLAY);
    mp_set_playstatus_by_hold(mp, 0, NULL);
  }

  return e;
}
Пример #6
0
static event_t *
rtmp_loop(rtmp_t *r, media_pipe_t *mp, char *url, char *errbuf, size_t errlen)
{
  RTMPPacket p = {0};
  int pos = -1, ret;
  uint32_t dts;
  event_t *e = NULL;

  mp_set_playstatus_by_hold(mp, 0, NULL);

  while(1) {


    if(pos == -1) {

      mp->mp_eof = 0;
      ret = RTMP_GetNextMediaPacket(r->r, &p);

      if(ret == 2) {
	/* Wait for queues to drain */
	mp->mp_eof = 1;
      again:
	e = mp_wait_for_empty_queues(mp);

	if(e != NULL) {
	  e = rtmp_process_event(r, e, NULL);
	  if(e == NULL)
	    goto again;
	}
	mp_set_playstatus_stop(mp);

	if(e == NULL)
	  e = event_create_type(EVENT_EOF);
	break;
      }

      if(ret == 0) {
	RTMP_Close(r->r);
	  
	RTMP_Init(r->r);

	memset(&p, 0, sizeof(p));

	TRACE(TRACE_DEBUG, "RTMP", "Reconnecting stream at pos %d", 
	      r->seekbase);

	if(!RTMP_SetupURL(r->r, url)) {
	  snprintf(errbuf, errlen, "Unable to setup RTMP session");
	  e = NULL;
	  break;
	}

	if(!RTMP_Connect(r->r, NULL)) {
	  snprintf(errbuf, errlen, "Unable to connect RTMP session");
	  e = NULL;
	  break;
	}

	if(!RTMP_ConnectStream(r->r, r->can_seek ? r->seekbase / 1000 : 0)) {
	  snprintf(errbuf, errlen, "Unable to stream RTMP session");
	  return NULL;
	}
	r->epoch++;


	r->lastdts = 0;
	r->seekbase = AV_NOPTS_VALUE;
	mp_flush(mp, 0);
	continue;
      }

      dts = p.m_nTimeStamp;

      switch(p.m_packetType) {
      case RTMP_PACKET_TYPE_INFO:
	if(handle_metadata(r, p.m_body, p.m_nBodySize, mp, errbuf, errlen)) {
	  RTMPPacket_Free(&p);
	  return NULL;
	}
	break;

      case RTMP_PACKET_TYPE_VIDEO:
	e = get_packet_v(r, (void *)p.m_body, p.m_nBodySize, dts, mp);
	break;

      case RTMP_PACKET_TYPE_AUDIO:
	e = get_packet_a(r, (void *)p.m_body, p.m_nBodySize, dts, mp);
	break;
	
      case 0x16:
	pos = 0;
	break;
      default:
	TRACE(TRACE_DEBUG, "RTMP", 
	      "Got unknown packet type %d\n", p.m_packetType);
	break;
      }
      if(pos == -1)
	RTMPPacket_Free(&p);
    }

    if(pos != -1) {
      if(pos + 11 < p.m_nBodySize) {
	uint32_t ds = AMF_DecodeInt24(p.m_body + pos + 1);
	  
	if(pos + 11 + ds + 4 > p.m_nBodySize) {
	  snprintf(errbuf, errlen, "Corrupt stream");
	  RTMPPacket_Free(&p);
	  return NULL;
	}

	dts = AMF_DecodeInt24(p.m_body + pos + 4);
	dts |= (p.m_body[pos + 7] << 24);

	if(p.m_body[pos] == RTMP_PACKET_TYPE_INFO) {
	  if(handle_metadata(r, p.m_body, p.m_nBodySize, mp, errbuf, errlen)) {
	    RTMPPacket_Free(&p);
	    return NULL;
	  }
	} else if(p.m_body[pos] == RTMP_PACKET_TYPE_VIDEO) {
	  e = get_packet_v(r, (void *)p.m_body + pos + 11, ds, dts, mp);
	} else if(p.m_body[pos] == RTMP_PACKET_TYPE_AUDIO) {
	  e = get_packet_a(r, (void *)p.m_body + pos + 11, ds, dts, mp);
	} else {
	  TRACE(TRACE_DEBUG, "RTMP", 
		"Got unknown packet type %d\n", p.m_body[pos]);
	}
	pos += 11 + ds + 4;
      } else {
	pos = -1;
	RTMPPacket_Free(&p);
      }
    }
    if(e != NULL)
      break;
  }
  return e;
}