static void tsmf_gstreamer_need_data(GstAppSrc *src, guint length, gpointer user_data)
{
TSMFGstreamerDecoder* mdecoder = user_data;
(void) mdecoder;
DEBUG_TSMF("%s length=%lu", get_type(mdecoder), length);
}
static void tsmf_pulse_stream_request_callback(pa_stream *stream, size_t length, void *userdata)
{
TSMFPulseAudioDevice *pulse = (TSMFPulseAudioDevice *) userdata;
DEBUG_TSMF("%d", (int) length);
pa_threaded_mainloop_signal(pulse->mainloop, 0);
}
static void tsmf_gstreamer_control(ITSMFDecoder* decoder, ITSMFControlMsg control_msg, UINT32 *arg)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder *) decoder;
if (!mdecoder)
return;
if (control_msg == Control_Pause)
{
DEBUG_TSMF("Control_Pause %s", get_type(mdecoder));
if (mdecoder->paused)
{
WLog_ERR(TAG, "%s: Ignoring control PAUSE, already received!", get_type(mdecoder));
return;
}
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PAUSED);
mdecoder->paused = TRUE;
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
tsmf_window_pause(mdecoder);
}
else if (control_msg == Control_Resume)
{
DEBUG_TSMF("Control_Resume %s", get_type(mdecoder));
if (!mdecoder->paused && !mdecoder->shutdown)
{
WLog_ERR(TAG, "%s: Ignoring control RESUME, already received!", get_type(mdecoder));
return;
}
mdecoder->paused = FALSE;
mdecoder->shutdown = FALSE;
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
tsmf_window_resume(mdecoder);
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PLAYING);
}
else if (control_msg == Control_Stop)
{
DEBUG_TSMF("Control_Stop %s", get_type(mdecoder));
if (mdecoder->shutdown)
{
WLog_ERR(TAG, "%s: Ignoring control STOP, already received!", get_type(mdecoder));
return;
}
mdecoder->shutdown = TRUE;
/* Reset stamps, flush buffers, etc */
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PAUSED);
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
tsmf_window_pause(mdecoder);
gst_app_src_end_of_stream((GstAppSrc *)mdecoder->src);
}
else
WLog_ERR(TAG, "Unknown control message %08x", control_msg);
}
static void tsmf_gstreamer_enough_data(GstAppSrc *src, gpointer user_data)
{
TSMFGstreamerDecoder* mdecoder = user_data;
(void) mdecoder;
DEBUG_TSMF("%s", get_type(mdecoder));
}
static BOOL tsmf_gstreamer_decodeEx(ITSMFDecoder* decoder, const BYTE *data, UINT32 data_size, UINT32 extensions,
UINT64 start_time, UINT64 end_time, UINT64 duration)
{
GstBuffer *gst_buf;
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder *) decoder;
UINT64 sample_time = tsmf_gstreamer_timestamp_ms_to_gst(start_time);
UINT64 sample_duration = tsmf_gstreamer_timestamp_ms_to_gst(duration);
if (!mdecoder)
{
WLog_ERR(TAG, "Decoder not initialized!");
return FALSE;
}
/*
* This function is always called from a stream-specific thread.
* It should be alright to block here if necessary.
* We don't expect to block here often, since the pipeline should
* have more than enough buffering.
*/
DEBUG_TSMF("%s. Start:(%llu) End:(%llu) Duration:(%llu) Last End:(%llu)",
get_type(mdecoder), start_time, end_time, duration,
mdecoder->last_sample_end_time);
if (mdecoder->gst_caps == NULL)
{
WLog_ERR(TAG, "tsmf_gstreamer_set_format not called or invalid format.");
return FALSE;
}
if (!mdecoder->src)
{
WLog_ERR(TAG, "failed to construct pipeline correctly. Unable to push buffer to source element.");
return FALSE;
}
gst_buf = tsmf_get_buffer_from_data(data, data_size);
if (gst_buf == NULL)
{
WLog_ERR(TAG, "tsmf_get_buffer_from_data(%p, %d) failed.", data, data_size);
return FALSE;
}
if (mdecoder->pipeline_start_time_valid)
{
long long diff = start_time;
diff -= mdecoder->last_sample_end_time;
if (diff < 0)
diff *= -1;
/* The pipe is initialized, but there is a discontinuity.
* Seek to the start position... */
if (diff > 50)
{
DEBUG_TSMF("%s seeking to %lld", get_type(mdecoder), start_time);
if (!gst_element_seek(mdecoder->pipe, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_ACCURATE,
GST_SEEK_TYPE_SET, sample_time,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
{
WLog_ERR(TAG, "seek failed");
}
mdecoder->pipeline_start_time_valid = 0;
}
}
else
{
DEBUG_TSMF("%s start time %llu", get_type(mdecoder), sample_time);
mdecoder->pipeline_start_time_valid = 1;
}
#if GST_VERSION_MAJOR > 0
GST_BUFFER_PTS(gst_buf) = sample_time;
#else
GST_BUFFER_TIMESTAMP(gst_buf) = sample_time;
#endif
GST_BUFFER_DURATION(gst_buf) = sample_duration;
gst_app_src_push_buffer(GST_APP_SRC(mdecoder->src), gst_buf);
if (mdecoder->ack_cb)
mdecoder->ack_cb(mdecoder->stream, TRUE);
mdecoder->last_sample_end_time = end_time;
if (GST_STATE(mdecoder->pipe) != GST_STATE_PLAYING)
{
DEBUG_TSMF("%s: state=%s", get_type(mdecoder), gst_element_state_get_name(GST_STATE(mdecoder->pipe)));
if (!mdecoder->paused && !mdecoder->shutdown && mdecoder->ready)
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PLAYING);
}
return TRUE;
}
BOOL tsmf_gstreamer_pipeline_build(TSMFGstreamerDecoder* mdecoder)
{
const char* appsrc = "appsrc name=source ! decodebin name=decoder !";
const char* video = "autovideoconvert ! videoscale !";
const char* audio = "audioconvert ! audiorate ! audioresample ! volume name=audiovolume !";
char pipeline[1024];
if (!mdecoder)
return FALSE;
/* TODO: Construction of the pipeline from a string allows easy overwrite with arguments.
* The only fixed elements necessary are appsrc and the volume element for audio streams.
* The rest could easily be provided in gstreamer pipeline notation from command line. */
if (mdecoder->media_type == TSMF_MAJOR_TYPE_VIDEO)
snprintf(pipeline, sizeof(pipeline), "%s %s %s name=outsink", appsrc, video, tsmf_platform_get_video_sink());
else
snprintf(pipeline, sizeof(pipeline), "%s %s %s name=outsink", appsrc, audio, tsmf_platform_get_audio_sink());
DEBUG_TSMF("pipeline=%s", pipeline);
mdecoder->pipe = gst_parse_launch(pipeline, NULL);
if (!mdecoder->pipe)
{
WLog_ERR(TAG, "Failed to create new pipe");
return FALSE;
}
mdecoder->src = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "source");
if (!mdecoder->src)
{
WLog_ERR(TAG, "Failed to get appsrc");
return FALSE;
}
mdecoder->outsink = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "outsink");
if (!mdecoder->outsink)
{
WLog_ERR(TAG, "Failed to get sink");
return FALSE;
}
if (mdecoder->media_type != TSMF_MAJOR_TYPE_VIDEO)
{
mdecoder->volume = gst_bin_get_by_name(GST_BIN(mdecoder->pipe), "audiovolume");
if (!mdecoder->volume)
{
WLog_ERR(TAG, "Failed to get volume");
return FALSE;
}
}
tsmf_platform_register_handler(mdecoder);
/* AppSrc settings */
GstAppSrcCallbacks callbacks =
{
tsmf_gstreamer_need_data,
tsmf_gstreamer_enough_data,
tsmf_gstreamer_seek_data
};
g_object_set(mdecoder->src, "format", GST_FORMAT_TIME, NULL);
g_object_set(mdecoder->src, "is-live", TRUE, NULL);
g_object_set(mdecoder->src, "block", TRUE, NULL);
gst_app_src_set_caps((GstAppSrc *) mdecoder->src, mdecoder->gst_caps);
gst_app_src_set_callbacks((GstAppSrc *)mdecoder->src, &callbacks, mdecoder, NULL);
gst_app_src_set_stream_type((GstAppSrc *) mdecoder->src, GST_APP_STREAM_TYPE_SEEKABLE);
tsmf_window_create(mdecoder);
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_READY);
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PLAYING);
mdecoder->pipeline_start_time_valid = 0;
mdecoder->shutdown = 0;
GST_DEBUG_BIN_TO_DOT_FILE(GST_BIN(mdecoder->pipe), GST_DEBUG_GRAPH_SHOW_ALL, get_type(mdecoder));
return TRUE;
}
static BOOL tsmf_gstreamer_set_format(ITSMFDecoder* decoder, TS_AM_MEDIA_TYPE* media_type)
{
TSMFGstreamerDecoder* mdecoder = (TSMFGstreamerDecoder*) decoder;
if (!mdecoder)
return FALSE;
DEBUG_TSMF("");
switch (media_type->MajorType)
{
case TSMF_MAJOR_TYPE_VIDEO:
mdecoder->media_type = TSMF_MAJOR_TYPE_VIDEO;
break;
case TSMF_MAJOR_TYPE_AUDIO:
mdecoder->media_type = TSMF_MAJOR_TYPE_AUDIO;
break;
default:
return FALSE;
}
switch (media_type->SubType)
{
case TSMF_SUB_TYPE_WVC1:
mdecoder->gst_caps = gst_caps_new_simple("video/x-wmv",
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
"wmvversion", G_TYPE_INT, 3,
"format", G_TYPE_STRING, "WVC1",
NULL);
break;
case TSMF_SUB_TYPE_MP4S:
mdecoder->gst_caps = gst_caps_new_simple("video/x-divx",
"divxversion", G_TYPE_INT, 5,
"bitrate", G_TYPE_UINT, media_type->BitRate,
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
NULL);
break;
case TSMF_SUB_TYPE_MP42:
mdecoder->gst_caps = gst_caps_new_simple("video/x-msmpeg",
"msmpegversion", G_TYPE_INT, 42,
"bitrate", G_TYPE_UINT, media_type->BitRate,
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
NULL);
break;
case TSMF_SUB_TYPE_MP43:
mdecoder->gst_caps = gst_caps_new_simple("video/x-msmpeg",
"bitrate", G_TYPE_UINT, media_type->BitRate,
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
NULL);
break;
case TSMF_SUB_TYPE_WMA9:
mdecoder->gst_caps = gst_caps_new_simple("audio/x-wma",
"wmaversion", G_TYPE_INT, 3,
"rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels,
"bitrate", G_TYPE_INT, media_type->BitRate,
"depth", G_TYPE_INT, media_type->BitsPerSample,
"width", G_TYPE_INT, media_type->BitsPerSample,
"block_align", G_TYPE_INT, media_type->BlockAlign,
NULL);
break;
case TSMF_SUB_TYPE_WMA2:
mdecoder->gst_caps = gst_caps_new_simple("audio/x-wma",
"wmaversion", G_TYPE_INT, 2,
"rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels,
"bitrate", G_TYPE_INT, media_type->BitRate,
"depth", G_TYPE_INT, media_type->BitsPerSample,
"width", G_TYPE_INT, media_type->BitsPerSample,
"block_align", G_TYPE_INT, media_type->BlockAlign,
NULL);
break;
case TSMF_SUB_TYPE_MP3:
mdecoder->gst_caps = gst_caps_new_simple("audio/mpeg",
"mpegversion", G_TYPE_INT, 1,
"layer", G_TYPE_INT, 3,
"rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels,
NULL);
break;
case TSMF_SUB_TYPE_WMV1:
mdecoder->gst_caps = gst_caps_new_simple("video/x-wmv",
"bitrate", G_TYPE_UINT, media_type->BitRate,
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
"wmvversion", G_TYPE_INT, 1,
NULL);
break;
case TSMF_SUB_TYPE_WMV2:
mdecoder->gst_caps = gst_caps_new_simple("video/x-wmv",
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
"wmvversion", G_TYPE_INT, 2,
NULL);
break;
case TSMF_SUB_TYPE_WMV3:
mdecoder->gst_caps = gst_caps_new_simple("video/x-wmv",
"bitrate", G_TYPE_UINT, media_type->BitRate,
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
"wmvversion", G_TYPE_INT, 3,
NULL);
break;
case TSMF_SUB_TYPE_AVC1:
case TSMF_SUB_TYPE_H264:
mdecoder->gst_caps = gst_caps_new_simple("video/x-h264",
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
NULL);
break;
case TSMF_SUB_TYPE_AC3:
mdecoder->gst_caps = gst_caps_new_simple("audio/x-ac3",
"rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels,
NULL);
break;
case TSMF_SUB_TYPE_AAC:
/* For AAC the pFormat is a HEAACWAVEINFO struct, and the codec data
is at the end of it. See
http://msdn.microsoft.com/en-us/library/dd757806.aspx */
if (media_type->ExtraData)
{
media_type->ExtraData += 12;
media_type->ExtraDataSize -= 12;
}
mdecoder->gst_caps = gst_caps_new_simple("audio/mpeg",
"rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels,
"mpegversion", G_TYPE_INT, 4,
NULL);
break;
case TSMF_SUB_TYPE_MP1A:
mdecoder->gst_caps = gst_caps_new_simple("audio/mpeg",
"mpegversion", G_TYPE_INT, 1,
"channels", G_TYPE_INT, media_type->Channels,
NULL);
break;
case TSMF_SUB_TYPE_MP1V:
mdecoder->gst_caps = gst_caps_new_simple("video/mpeg",
"mpegversion", G_TYPE_INT, 1,
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
"systemstream", G_TYPE_BOOLEAN, FALSE,
NULL);
break;
case TSMF_SUB_TYPE_YUY2:
#if GST_VERSION_MAJOR > 0
mdecoder->gst_caps = gst_caps_new_simple("video/x-raw",
"format", G_TYPE_STRING, "YUY2",
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
NULL);
#else
mdecoder->gst_caps = gst_caps_new_simple("video/x-raw-yuv",
"format", G_TYPE_STRING, "YUY2",
"width", G_TYPE_INT, media_type->Width,
"height", G_TYPE_INT, media_type->Height,
NULL);
#endif
break;
case TSMF_SUB_TYPE_MP2V:
mdecoder->gst_caps = gst_caps_new_simple("video/mpeg",
"mpegversion", G_TYPE_INT, 2,
"systemstream", G_TYPE_BOOLEAN, FALSE,
NULL);
break;
case TSMF_SUB_TYPE_MP2A:
mdecoder->gst_caps = gst_caps_new_simple("audio/mpeg",
"mpegversion", G_TYPE_INT, 2,
"rate", G_TYPE_INT, media_type->SamplesPerSecond.Numerator,
"channels", G_TYPE_INT, media_type->Channels,
NULL);
break;
default:
WLog_ERR(TAG, "unknown format:(%d).", media_type->SubType);
return FALSE;
}
if (media_type->ExtraDataSize > 0)
{
GstBuffer *buffer;
DEBUG_TSMF("Extra data available (%d)", media_type->ExtraDataSize);
buffer = tsmf_get_buffer_from_data(media_type->ExtraData, media_type->ExtraDataSize);
if (!buffer)
{
WLog_ERR(TAG, "could not allocate GstBuffer!");
return FALSE;
}
gst_caps_set_simple(mdecoder->gst_caps, "codec_data", GST_TYPE_BUFFER, buffer, NULL);
}
DEBUG_TSMF("%p format '%s'", mdecoder, gst_caps_to_string(mdecoder->gst_caps));
tsmf_platform_set_format(mdecoder);
/* Create the pipeline... */
if (!tsmf_gstreamer_pipeline_build(mdecoder))
return FALSE;
return TRUE;
}
