void media_stream_free(MediaStream *stream) {
if (stream->sessions.rtp_session != NULL){
rtp_session_unregister_event_queue(stream->sessions.rtp_session, stream->evq);
}
if (stream->owns_sessions){
ms_media_stream_sessions_uninit(&stream->sessions);
}
if (stream->evq) ortp_ev_queue_destroy(stream->evq);
if (stream->rc != NULL) ms_bitrate_controller_destroy(stream->rc);
if (stream->rtpsend != NULL) ms_filter_destroy(stream->rtpsend);
if (stream->rtprecv != NULL) ms_filter_destroy(stream->rtprecv);
if (stream->encoder != NULL) ms_filter_destroy(stream->encoder);
if (stream->decoder != NULL) ms_filter_destroy(stream->decoder);
if (stream->voidsink != NULL) ms_filter_destroy(stream->voidsink);
if (stream->qi) ms_quality_indicator_destroy(stream->qi);
}
/* this code is not part of the library itself, it is part of the mediastream program */
void video_stream_free (VideoStream * stream)
{
if (stream->ortpZrtpContext)
ortp_zrtp_context_destroy(stream->ortpZrtpContext);
if (stream->session!=NULL){
rtp_session_unregister_event_queue(stream->session,stream->evq);
rtp_session_destroy(stream->session);
}
if (stream->rtprecv != NULL)
ms_filter_destroy (stream->rtprecv);
if (stream->rtpsend!=NULL)
ms_filter_destroy (stream->rtpsend);
if (stream->source != NULL)
ms_filter_destroy (stream->source);
if (stream->output != NULL)
ms_filter_destroy (stream->output);
if (stream->encoder != NULL)
ms_filter_destroy (stream->encoder);
if (stream->decoder != NULL)
ms_filter_destroy (stream->decoder);
if (stream->sizeconv != NULL)
ms_filter_destroy (stream->sizeconv);
if (stream->pixconv!=NULL)
ms_filter_destroy(stream->pixconv);
if (stream->tee!=NULL)
ms_filter_destroy(stream->tee);
if (stream->tee2!=NULL)
ms_filter_destroy(stream->tee2);
if (stream->jpegwriter!=NULL)
ms_filter_destroy(stream->jpegwriter);
if (stream->output2!=NULL)
ms_filter_destroy(stream->output2);
if (stream->voidsink!=NULL)
ms_filter_destroy(stream->voidsink);
if (stream->ticker != NULL)
ms_ticker_destroy (stream->ticker);
if (stream->evq!=NULL)
ortp_ev_queue_destroy(stream->evq);
if (stream->display_name!=NULL)
ms_free(stream->display_name);
if (stream->rc!=NULL){
ms_bitrate_controller_destroy(stream->rc);
}
ms_free (stream);
}
static void configure_video_source(VideoStream *stream){
MSVideoSize vsize,cam_vsize;
float fps=15;
MSPixFmt format;
bool_t encoder_has_builtin_converter = FALSE;
/* transmit orientation to source filter */
ms_filter_call_method(stream->source,MS_VIDEO_CAPTURE_SET_DEVICE_ORIENTATION,&stream->device_orientation);
/* transmit its preview window id if any to source filter*/
if (stream->preview_window_id!=0){
video_stream_set_native_preview_window_id(stream, stream->preview_window_id);
}
ms_filter_call_method(stream->ms.encoder, MS_VIDEO_ENCODER_HAS_BUILTIN_CONVERTER, &encoder_has_builtin_converter);
ms_filter_call_method(stream->ms.encoder,MS_FILTER_GET_VIDEO_SIZE,&vsize);
vsize=get_compatible_size(vsize,stream->sent_vsize);
ms_filter_call_method(stream->source,MS_FILTER_SET_VIDEO_SIZE,&vsize);
/*the camera may not support the target size and suggest a one close to the target */
ms_filter_call_method(stream->source,MS_FILTER_GET_VIDEO_SIZE,&cam_vsize);
if (cam_vsize.width*cam_vsize.height<=vsize.width*vsize.height &&
cam_vsize.width != vsize.width){
vsize=cam_vsize;
ms_message("Output video size adjusted to match camera resolution (%ix%i)\n",vsize.width,vsize.height);
} else if (cam_vsize.width*cam_vsize.height>vsize.width*vsize.height){
#if TARGET_IPHONE_SIMULATOR || defined(__arm__)
ms_error("Camera is proposing a size bigger than encoder's suggested size (%ix%i > %ix%i) "
"Using the camera size as fallback because cropping or resizing is not implemented for arm.",
cam_vsize.width,cam_vsize.height,vsize.width,vsize.height);
vsize=cam_vsize;
#else
vsize=get_with_same_orientation(vsize,cam_vsize);
ms_warning("Camera video size greater than encoder one. A scaling filter will be used!\n");
#endif
}
ms_filter_call_method(stream->ms.encoder,MS_FILTER_SET_VIDEO_SIZE,&vsize);
ms_filter_call_method(stream->ms.encoder,MS_FILTER_GET_FPS,&fps);
ms_message("Setting sent vsize=%ix%i, fps=%f",vsize.width,vsize.height,fps);
/* configure the filters */
if (ms_filter_get_id(stream->source)!=MS_STATIC_IMAGE_ID) {
ms_filter_call_method(stream->source,MS_FILTER_SET_FPS,&fps);
}
/* get the output format for webcam reader */
ms_filter_call_method(stream->source,MS_FILTER_GET_PIX_FMT,&format);
if ((encoder_has_builtin_converter == TRUE) || (stream->source_performs_encoding == TRUE)) {
ms_filter_call_method(stream->ms.encoder, MS_FILTER_SET_PIX_FMT, &format);
} else {
if (format==MS_MJPEG){
stream->pixconv=ms_filter_new(MS_MJPEG_DEC_ID);
}else{
stream->pixconv = ms_filter_new(MS_PIX_CONV_ID);
/*set it to the pixconv */
ms_filter_call_method(stream->pixconv,MS_FILTER_SET_PIX_FMT,&format);
ms_filter_call_method(stream->pixconv,MS_FILTER_SET_VIDEO_SIZE,&cam_vsize);
}
stream->sizeconv=ms_filter_new(MS_SIZE_CONV_ID);
ms_filter_call_method(stream->sizeconv,MS_FILTER_SET_VIDEO_SIZE,&vsize);
}
if (stream->ms.rc){
ms_bitrate_controller_destroy(stream->ms.rc);
stream->ms.rc=NULL;
}
if (stream->ms.use_rc){
stream->ms.rc=ms_av_bitrate_controller_new(NULL,NULL,stream->ms.session,stream->ms.encoder);
}
}
