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;
}
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;
}
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);
BOOL useTimestamps = TRUE;
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:(%"PRIu64") End:(%"PRIu64") Duration:(%"PRIu64") Last Start:(%"PRIu64")",
get_type(mdecoder), start_time, end_time, duration,
mdecoder->last_sample_start_time);
if (mdecoder->shutdown)
{
WLog_ERR(TAG, "decodeEx called on shutdown decoder");
return TRUE;
}
if (mdecoder->gst_caps == NULL)
{
WLog_ERR(TAG, "tsmf_gstreamer_set_format not called or invalid format.");
return FALSE;
}
if (!mdecoder->pipe)
tsmf_gstreamer_pipeline_build(mdecoder);
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, %"PRIu32") failed.", (void*) data, data_size);
return FALSE;
}
/* Relative timestamping will sometimes be set to 0
* so we ignore these timestamps just to be safe(bit 8)
*/
if (extensions & 0x00000080)
{
DEBUG_TSMF("Ignoring the timestamps - relative - bit 8");
useTimestamps = FALSE;
}
/* If no timestamps exist then we dont want to look at the timestamp values (bit 7) */
if (extensions & 0x00000040)
{
DEBUG_TSMF("Ignoring the timestamps - none - bit 7");
useTimestamps = FALSE;
}
/* If performing a seek */
if (mdecoder->seeking)
{
mdecoder->seeking = FALSE;
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PAUSED);
mdecoder->pipeline_start_time_valid = 0;
}
if (mdecoder->pipeline_start_time_valid)
{
DEBUG_TSMF("%s start time %"PRIu64"", get_type(mdecoder), start_time);
/* Adjusted the condition for a seek to be based on start time only
* WMV1 and WMV2 files in particular have bad end time and duration values
* there seems to be no real side effects of just using the start time instead
*/
UINT64 minTime = mdecoder->last_sample_start_time - (UINT64) SEEK_TOLERANCE;
UINT64 maxTime = mdecoder->last_sample_start_time + (UINT64) SEEK_TOLERANCE;
/* Make sure the minTime stops at 0 , should we be at the beginning of the stream */
if (mdecoder->last_sample_start_time < (UINT64) SEEK_TOLERANCE)
minTime = 0;
/* If the start_time is valid and different from the previous start time by more than the seek tolerance, then we have a seek condition */
if (((start_time > maxTime) || (start_time < minTime)) && useTimestamps)
{
DEBUG_TSMF("tsmf_gstreamer_decodeEx: start_time=[%"PRIu64"] > last_sample_start_time=[%"PRIu64"] OR ", start_time, mdecoder->last_sample_start_time);
DEBUG_TSMF("tsmf_gstreamer_decodeEx: start_time=[%"PRIu64"] < last_sample_start_time=[%"PRIu64"] with", start_time, mdecoder->last_sample_start_time);
DEBUG_TSMF("tsmf_gstreamer_decodeEX: a tolerance of more than [%lu] from the last sample", SEEK_TOLERANCE);
DEBUG_TSMF("tsmf_gstreamer_decodeEX: minTime=[%"PRIu64"] maxTime=[%"PRIu64"]", minTime, maxTime);
mdecoder->seeking = TRUE;
/* since we cant make the gstreamer pipeline jump to the new start time after a seek - we just maintain
* a offset between realtime and gstreamer time
*/
mdecoder->seek_offset = start_time;
}
}
else
{
DEBUG_TSMF("%s start time %"PRIu64"", get_type(mdecoder), start_time);
/* Always set base/start time to 0. Will use seek offset to translate real buffer times
* back to 0. This allows the video to be started from anywhere and the ability to handle seeks
* without rebuilding the pipeline, etc. since that is costly
*/
gst_element_set_base_time(mdecoder->pipe, tsmf_gstreamer_timestamp_ms_to_gst(0));
gst_element_set_start_time(mdecoder->pipe, tsmf_gstreamer_timestamp_ms_to_gst(0));
mdecoder->pipeline_start_time_valid = 1;
/* Set the seek offset if buffer has valid timestamps. */
if (useTimestamps)
mdecoder->seek_offset = start_time;
if (!gst_element_seek(mdecoder->pipe, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH,
GST_SEEK_TYPE_SET, 0,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE))
{
WLog_ERR(TAG, "seek failed");
}
}
#if GST_VERSION_MAJOR > 0
if (useTimestamps)
GST_BUFFER_PTS(gst_buf) = sample_time - tsmf_gstreamer_timestamp_ms_to_gst(mdecoder->seek_offset);
else
GST_BUFFER_PTS(gst_buf) = GST_CLOCK_TIME_NONE;
#else
if (useTimestamps)
GST_BUFFER_TIMESTAMP(gst_buf) = sample_time - tsmf_gstreamer_timestamp_ms_to_gst(mdecoder->seek_offset);
else
GST_BUFFER_TIMESTAMP(gst_buf) = GST_CLOCK_TIME_NONE;
#endif
GST_BUFFER_DURATION(gst_buf) = GST_CLOCK_TIME_NONE;
GST_BUFFER_OFFSET(gst_buf) = GST_BUFFER_OFFSET_NONE;
#if GST_VERSION_MAJOR > 0
#else
gst_buffer_set_caps(gst_buf, mdecoder->gst_caps);
#endif
gst_app_src_push_buffer(GST_APP_SRC(mdecoder->src), gst_buf);
/* Should only update the last timestamps if the current ones are valid */
if (useTimestamps)
{
mdecoder->last_sample_start_time = start_time;
mdecoder->last_sample_end_time = end_time;
}
if (mdecoder->pipe && (GST_STATE(mdecoder->pipe) != GST_STATE_PLAYING))
{
DEBUG_TSMF("%s: state=%s", get_type(mdecoder), gst_element_state_get_name(GST_STATE(mdecoder->pipe)));
DEBUG_TSMF("%s Paused: %"PRIi32" Shutdown: %i Ready: %"PRIi32"", get_type(mdecoder), mdecoder->paused, mdecoder->shutdown, mdecoder->ready);
if (!mdecoder->paused && !mdecoder->shutdown && mdecoder->ready)
tsmf_gstreamer_pipeline_set_state(mdecoder, GST_STATE_PLAYING);
}
return TRUE;
}