gstreamer/ext/musepack/gstmusepackdec.c
Stefan Kost bf3fd4f95d Define GstElementDetails as const and also static (when defined as global)
Original commit message from CVS:
* ext/amrwb/gstamrwbdec.c:
* ext/amrwb/gstamrwbenc.c:
* ext/amrwb/gstamrwbparse.c:
* ext/arts/gst_arts.c:
* ext/artsd/gstartsdsink.c:
* ext/audiofile/gstafparse.c:
* ext/audiofile/gstafsink.c:
* ext/audiofile/gstafsrc.c:
* ext/audioresample/gstaudioresample.c:
* ext/bz2/gstbz2dec.c:
* ext/bz2/gstbz2enc.c:
* ext/cdaudio/gstcdaudio.c:
* ext/directfb/dfbvideosink.c:
* ext/divx/gstdivxdec.c:
* ext/divx/gstdivxenc.c:
* ext/dts/gstdtsdec.c: (gst_dtsdec_base_init):
* ext/faac/gstfaac.c: (gst_faac_base_init):
* ext/faad/gstfaad.c:
* ext/gsm/gstgsmdec.c:
* ext/gsm/gstgsmenc.c:
* ext/hermes/gsthermescolorspace.c:
* ext/ivorbis/vorbisfile.c:
* ext/lcs/gstcolorspace.c:
* ext/libfame/gstlibfame.c:
* ext/libmms/gstmms.c: (gst_mms_base_init):
* ext/musepack/gstmusepackdec.c: (gst_musepackdec_base_init):
* ext/musicbrainz/gsttrm.c: (gst_musicbrainz_base_init):
* ext/nas/nassink.c: (gst_nassink_base_init):
* ext/neon/gstneonhttpsrc.c:
* ext/sdl/sdlaudiosink.c:
* ext/sdl/sdlvideosink.c:
* ext/shout/gstshout.c:
* ext/snapshot/gstsnapshot.c:
* ext/sndfile/gstsf.c:
* ext/swfdec/gstswfdec.c:
* ext/tarkin/gsttarkindec.c:
* ext/tarkin/gsttarkinenc.c:
* ext/theora/theoradec.c:
* ext/wavpack/gstwavpackdec.c: (gst_wavpack_dec_base_init):
* ext/wavpack/gstwavpackparse.c: (gst_wavpack_parse_base_init):
* ext/xvid/gstxviddec.c:
* ext/xvid/gstxvidenc.c:
* gst/cdxaparse/gstcdxaparse.c: (gst_cdxa_parse_base_init):
* gst/cdxaparse/gstcdxastrip.c: (gst_cdxastrip_base_init):
* gst/chart/gstchart.c:
* gst/colorspace/gstcolorspace.c:
* gst/deinterlace/gstdeinterlace.c:
* gst/equalizer/gstiirequalizer.c: (gst_iir_equalizer_base_init):
* gst/festival/gstfestival.c:
* gst/filter/gstbpwsinc.c:
* gst/filter/gstiir.c:
* gst/filter/gstlpwsinc.c:
* gst/freeze/gstfreeze.c:
* gst/games/gstpuzzle.c: (gst_puzzle_base_init):
* gst/librfb/gstrfbsrc.c:
* gst/mixmatrix/mixmatrix.c:
* gst/mpeg1sys/gstmpeg1systemencode.c:
* gst/mpeg1videoparse/gstmp1videoparse.c:
* gst/mpeg2sub/gstmpeg2subt.c:
* gst/mpegaudioparse/gstmpegaudioparse.c:
* gst/multifilesink/gstmultifilesink.c:
* gst/overlay/gstoverlay.c:
* gst/passthrough/gstpassthrough.c:
* gst/playondemand/gstplayondemand.c:
* gst/qtdemux/qtdemux.c:
* gst/rtjpeg/gstrtjpegdec.c:
* gst/rtjpeg/gstrtjpegenc.c:
* gst/smooth/gstsmooth.c:
* gst/smoothwave/gstsmoothwave.c:
* gst/spectrum/gstspectrum.c:
* gst/speed/gstspeed.c:
* gst/stereo/gststereo.c:
* gst/switch/gstswitch.c:
* gst/tta/gstttadec.c: (gst_tta_dec_base_init):
* gst/tta/gstttaparse.c: (gst_tta_parse_base_init):
* gst/vbidec/gstvbidec.c:
* gst/videocrop/gstvideocrop.c:
* gst/videodrop/gstvideodrop.c:
* gst/virtualdub/gstxsharpen.c:
* gst/xingheader/gstxingmux.c: (gst_xing_mux_base_init):
* gst/y4m/gsty4mencode.c:
* sys/cdrom/gstcdplayer.c:
* sys/directdraw/gstdirectdrawsink.c:
* sys/directsound/gstdirectsoundsink.c:
* sys/glsink/glimagesink.c:
* sys/qcam/gstqcamsrc.c:
* sys/v4l2/gstv4l2src.c:
* sys/vcd/vcdsrc.c: (gst_vcdsrc_base_init):
* sys/ximagesrc/ximagesrc.c:
Define GstElementDetails as const and also static (when defined as
global)
2006-04-25 21:56:38 +00:00

609 lines
18 KiB
C

/* GStreamer Musepack decoder plugin
* Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.net>
* Copyright (C) 2006 Tim-Philipp Müller <tim centricular net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstmusepackdec.h"
#include "gstmusepackreader.h"
GST_DEBUG_CATEGORY (musepackdec_debug);
#define GST_CAT_DEFAULT musepackdec_debug
static const GstElementDetails gst_musepackdec_details =
GST_ELEMENT_DETAILS ("Musepack decoder",
"Codec/Decoder/Audio",
"Musepack decoder",
"Ronald Bultje <rbultje@ronald.bitfreak.net>");
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-musepack")
);
#ifdef MPC_FIXED_POINT
#define BASE_CAPS \
"audio/x-raw-int, " \
"signed = (bool) TRUE, " \
"width = (int) 32, " \
"depth = (int) 32"
#else
#define BASE_CAPS \
"audio/x-raw-float, " \
"width = (int) 32"
#endif
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (BASE_CAPS ", "
"endianness = (int) BYTE_ORDER, "
"rate = (int) [ 8000, 96000 ], " "channels = (int) [ 1, 2 ]")
);
static void gst_musepackdec_dispose (GObject * obj);
static gboolean gst_musepackdec_src_event (GstPad * pad, GstEvent * event);
static const GstQueryType *gst_musepackdec_get_src_query_types (GstPad * pad);
static gboolean gst_musepackdec_src_query (GstPad * pad, GstQuery * query);
static gboolean gst_musepackdec_sink_activate (GstPad * sinkpad);
static gboolean
gst_musepackdec_sink_activate_pull (GstPad * sinkpad, gboolean active);
static void gst_musepackdec_loop (GstPad * sinkpad);
static GstStateChangeReturn
gst_musepackdec_change_state (GstElement * element, GstStateChange transition);
GST_BOILERPLATE (GstMusepackDec, gst_musepackdec, GstElement, GST_TYPE_ELEMENT);
static void
gst_musepackdec_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_set_details (element_class, &gst_musepackdec_details);
GST_DEBUG_CATEGORY_INIT (musepackdec_debug, "musepackdec", 0, "mpc decoder");
}
static void
gst_musepackdec_class_init (GstMusepackDecClass * klass)
{
GST_ELEMENT_CLASS (klass)->change_state =
GST_DEBUG_FUNCPTR (gst_musepackdec_change_state);
G_OBJECT_CLASS (klass)->dispose = GST_DEBUG_FUNCPTR (gst_musepackdec_dispose);
}
static void
gst_musepackdec_init (GstMusepackDec * musepackdec, GstMusepackDecClass * klass)
{
musepackdec->offset = 0;
musepackdec->rate = 0;
musepackdec->bps = 0;
musepackdec->r = g_new (mpc_reader, 1);
musepackdec->d = g_new (mpc_decoder, 1);
musepackdec->sinkpad =
gst_pad_new_from_static_template (&sink_template, "sink");
gst_pad_set_activate_function (musepackdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_musepackdec_sink_activate));
gst_pad_set_activatepull_function (musepackdec->sinkpad,
GST_DEBUG_FUNCPTR (gst_musepackdec_sink_activate_pull));
gst_element_add_pad (GST_ELEMENT (musepackdec), musepackdec->sinkpad);
musepackdec->srcpad = gst_pad_new_from_static_template (&src_template, "src");
gst_pad_set_event_function (musepackdec->srcpad,
GST_DEBUG_FUNCPTR (gst_musepackdec_src_event));
gst_pad_set_query_function (musepackdec->srcpad,
GST_DEBUG_FUNCPTR (gst_musepackdec_src_query));
gst_pad_set_query_type_function (musepackdec->srcpad,
GST_DEBUG_FUNCPTR (gst_musepackdec_get_src_query_types));
gst_pad_use_fixed_caps (musepackdec->srcpad);
gst_element_add_pad (GST_ELEMENT (musepackdec), musepackdec->srcpad);
}
static void
gst_musepackdec_dispose (GObject * obj)
{
GstMusepackDec *musepackdec = GST_MUSEPACK_DEC (obj);
g_free (musepackdec->r);
musepackdec->r = NULL;
g_free (musepackdec->d);
musepackdec->d = NULL;
G_OBJECT_CLASS (parent_class)->dispose (obj);
}
static void
gst_musepackdec_send_newsegment (GstMusepackDec * dec)
{
GstSegment *s = &dec->segment;
gint64 stop_time = GST_CLOCK_TIME_NONE;
gint64 start_time = 0;
start_time = gst_util_uint64_scale_int (s->start, GST_SECOND, dec->rate);
if (s->stop != -1)
stop_time = gst_util_uint64_scale_int (s->stop, GST_SECOND, dec->rate);
GST_DEBUG_OBJECT (dec, "sending newsegment from %" GST_TIME_FORMAT
" to %" GST_TIME_FORMAT ", rate = %.1f", GST_TIME_ARGS (start_time),
GST_TIME_ARGS (stop_time), s->rate);
gst_pad_push_event (dec->srcpad,
gst_event_new_new_segment (FALSE, s->rate, GST_FORMAT_TIME,
start_time, stop_time, start_time));
}
static gboolean
gst_musepackdec_handle_seek_event (GstMusepackDec * dec, GstEvent * event)
{
GstSeekType start_type, stop_type;
GstSeekFlags flags;
GstSegment segment;
GstFormat format;
gboolean flush;
gdouble rate;
gint64 start, stop;
gint samplerate;
gst_event_parse_seek (event, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop);
if (format != GST_FORMAT_TIME && format != GST_FORMAT_DEFAULT) {
GST_DEBUG_OBJECT (dec, "seek failed: only TIME or DEFAULT format allowed");
return FALSE;
}
samplerate = g_atomic_int_get (&dec->rate);
if (format == GST_FORMAT_TIME) {
if (start_type != GST_SEEK_TYPE_NONE)
start = gst_util_uint64_scale_int (start, samplerate, GST_SECOND);
if (stop_type != GST_SEEK_TYPE_NONE)
stop = gst_util_uint64_scale_int (stop, samplerate, GST_SECOND);
}
flush = ((flags & GST_SEEK_FLAG_FLUSH) == GST_SEEK_FLAG_FLUSH);
if (flush)
gst_pad_push_event (dec->srcpad, gst_event_new_flush_start ());
else
gst_pad_pause_task (dec->sinkpad); /* not _stop_task()? */
GST_PAD_STREAM_LOCK (dec->sinkpad);
/* operate on segment copy until we know the seek worked */
segment = dec->segment;
gst_segment_set_seek (&segment, rate, GST_FORMAT_DEFAULT,
flags, start_type, start, stop_type, stop, NULL);
gst_pad_push_event (dec->sinkpad, gst_event_new_flush_stop ());
GST_DEBUG_OBJECT (dec, "segment: [%" G_GINT64_FORMAT "-%" G_GINT64_FORMAT
"] = [%" GST_TIME_FORMAT "-%" GST_TIME_FORMAT "]",
segment.start, segment.stop,
GST_TIME_ARGS (segment.start * GST_SECOND / dec->rate),
GST_TIME_ARGS (segment.stop * GST_SECOND / dec->rate));
GST_DEBUG_OBJECT (dec, "performing seek to sample %" G_GINT64_FORMAT,
segment.start);
if (segment.start < 0 || segment.start >= segment.duration) {
GST_WARNING_OBJECT (dec, "seek out of bounds");
goto failed;
}
if (!mpc_decoder_seek_sample (dec->d, segment.start))
goto failed;
if ((flags & GST_SEEK_FLAG_SEGMENT) == GST_SEEK_FLAG_SEGMENT) {
GST_DEBUG_OBJECT (dec, "posting SEGMENT_START message");
gst_element_post_message (GST_ELEMENT (dec),
gst_message_new_segment_start (GST_OBJECT (dec), GST_FORMAT_TIME,
gst_util_uint64_scale_int (segment.start, GST_SECOND, dec->rate)));
}
if (flush) {
gst_pad_push_event (dec->srcpad, gst_event_new_flush_stop ());
}
gst_segment_set_last_stop (&segment, GST_FORMAT_DEFAULT, segment.start);
dec->segment = segment;
gst_musepackdec_send_newsegment (dec);
GST_DEBUG_OBJECT (dec, "seek successful");
gst_pad_start_task (dec->sinkpad,
(GstTaskFunction) gst_musepackdec_loop, dec->sinkpad);
GST_PAD_STREAM_UNLOCK (dec->sinkpad);
return TRUE;
failed:
{
GST_WARNING_OBJECT (dec, "seek failed");
GST_PAD_STREAM_UNLOCK (dec->sinkpad);
return FALSE;
}
}
static gboolean
gst_musepackdec_src_event (GstPad * pad, GstEvent * event)
{
GstMusepackDec *dec;
gboolean res;
dec = GST_MUSEPACK_DEC (gst_pad_get_parent (pad));
GST_DEBUG_OBJECT (dec, "handling %s event", GST_EVENT_TYPE_NAME (event));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_SEEK:
res = gst_musepackdec_handle_seek_event (dec, event);
break;
default:
res = gst_pad_event_default (pad, event);
break;
}
gst_object_unref (dec);
return res;
}
static const GstQueryType *
gst_musepackdec_get_src_query_types (GstPad * pad)
{
static const GstQueryType query_types[] = {
GST_QUERY_POSITION,
GST_QUERY_DURATION,
(GstQueryType) 0
};
return query_types;
}
static gboolean
gst_musepackdec_src_query (GstPad * pad, GstQuery * query)
{
GstMusepackDec *musepackdec = GST_MUSEPACK_DEC (gst_pad_get_parent (pad));
GstFormat format;
gboolean res = FALSE;
gint samplerate;
samplerate = g_atomic_int_get (&musepackdec->rate);
if (samplerate == 0)
goto done;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_POSITION:{
gint64 cur, cur_off;
gst_query_parse_position (query, &format, NULL);
GST_OBJECT_LOCK (musepackdec);
cur_off = musepackdec->segment.last_stop;
GST_OBJECT_UNLOCK (musepackdec);
if (format == GST_FORMAT_TIME) {
cur = gst_util_uint64_scale_int (cur_off, GST_SECOND, samplerate);
gst_query_set_position (query, GST_FORMAT_TIME, cur);
res = TRUE;
} else if (format == GST_FORMAT_DEFAULT) {
gst_query_set_position (query, GST_FORMAT_DEFAULT, cur_off);
res = TRUE;
}
break;
}
case GST_QUERY_DURATION:{
gint64 len, len_off;
gst_query_parse_duration (query, &format, NULL);
GST_OBJECT_LOCK (musepackdec);
len_off = musepackdec->segment.duration;
GST_OBJECT_UNLOCK (musepackdec);
if (format == GST_FORMAT_TIME) {
len = gst_util_uint64_scale_int (len_off, GST_SECOND, samplerate);
gst_query_set_duration (query, GST_FORMAT_TIME, len);
res = TRUE;
} else if (format == GST_FORMAT_DEFAULT) {
gst_query_set_duration (query, GST_FORMAT_DEFAULT, len_off);
res = TRUE;
}
break;
}
default:
res = gst_pad_query_default (pad, query);
break;
}
done:
gst_object_unref (musepackdec);
return res;
}
static gboolean
gst_musepack_stream_init (GstMusepackDec * musepackdec)
{
mpc_streaminfo i;
GstTagList *tags;
GstCaps *caps;
/* set up reading */
gst_musepack_init_reader (musepackdec->r, musepackdec);
/* streaminfo */
mpc_streaminfo_init (&i);
if (mpc_streaminfo_read (&i, musepackdec->r) < 0) {
GST_ELEMENT_ERROR (musepackdec, STREAM, WRONG_TYPE, (NULL), (NULL));
return FALSE;
}
/* decoding */
mpc_decoder_setup (musepackdec->d, musepackdec->r);
mpc_decoder_scale_output (musepackdec->d, 1.0);
if (!mpc_decoder_initialize (musepackdec->d, &i)) {
GST_ELEMENT_ERROR (musepackdec, STREAM, WRONG_TYPE, (NULL), (NULL));
return FALSE;
}
/* capsnego */
caps = gst_caps_from_string (BASE_CAPS);
gst_caps_set_simple (caps,
"endianness", G_TYPE_INT, G_BYTE_ORDER,
"channels", G_TYPE_INT, i.channels,
"rate", G_TYPE_INT, i.sample_freq, NULL);
gst_pad_use_fixed_caps (musepackdec->srcpad);
if (!gst_pad_set_caps (musepackdec->srcpad, caps)) {
GST_ELEMENT_ERROR (musepackdec, CORE, NEGOTIATION, (NULL), (NULL));
return FALSE;
}
gst_atomic_int_set (&musepackdec->bps, 4 * i.channels);
gst_atomic_int_set (&musepackdec->rate, i.sample_freq);
gst_segment_set_last_stop (&musepackdec->segment, GST_FORMAT_DEFAULT, 0);
gst_segment_set_duration (&musepackdec->segment, GST_FORMAT_DEFAULT,
mpc_streaminfo_get_length_samples (&i));
/* send basic tags */
tags = gst_tag_list_new ();
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_AUDIO_CODEC, "Musepack", NULL);
if (i.encoder[0] != '\0' && i.encoder_version > 0) {
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_ENCODER, i.encoder,
GST_TAG_ENCODER_VERSION, i.encoder_version, NULL);
}
if (i.bitrate > 0) {
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_BITRATE, i.bitrate, NULL);
} else if (i.average_bitrate > 0.0) {
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_BITRATE, (guint) i.average_bitrate, NULL);
}
if (i.gain_title != 0 || i.gain_album != 0) {
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_TRACK_GAIN, (gdouble) i.gain_title / 100.0,
GST_TAG_ALBUM_GAIN, (gdouble) i.gain_album / 100.0, NULL);
}
if (i.peak_title != 0 && i.peak_title != 32767 &&
i.peak_album != 0 && i.peak_album != 32767) {
gst_tag_list_add (tags, GST_TAG_MERGE_REPLACE,
GST_TAG_TRACK_PEAK, (gdouble) i.peak_title / 32767.0,
GST_TAG_ALBUM_PEAK, (gdouble) i.peak_album / 32767.0, NULL);
}
GST_LOG_OBJECT (musepackdec, "Posting tags: %" GST_PTR_FORMAT, tags);
gst_element_found_tags (GST_ELEMENT (musepackdec), tags);
return TRUE;
}
static gboolean
gst_musepackdec_sink_activate (GstPad * sinkpad)
{
if (!gst_pad_check_pull_range (sinkpad))
return FALSE;
return gst_pad_activate_pull (sinkpad, TRUE);
}
static gboolean
gst_musepackdec_sink_activate_pull (GstPad * sinkpad, gboolean active)
{
gboolean result;
if (active) {
result = gst_pad_start_task (sinkpad,
(GstTaskFunction) gst_musepackdec_loop, sinkpad);
} else {
result = gst_pad_stop_task (sinkpad);
}
return result;
}
static void
gst_musepackdec_loop (GstPad * sinkpad)
{
GstMusepackDec *musepackdec;
GstFlowReturn flow;
GstBuffer *out;
guint32 update_acc, update_bits;
gint num_samples, samplerate, bitspersample;
musepackdec = GST_MUSEPACK_DEC (GST_PAD_PARENT (sinkpad));
samplerate = g_atomic_int_get (&musepackdec->rate);
if (samplerate == 0) {
if (!gst_musepack_stream_init (musepackdec))
goto pause_task;
gst_musepackdec_send_newsegment (musepackdec);
samplerate = g_atomic_int_get (&musepackdec->rate);
}
bitspersample = g_atomic_int_get (&musepackdec->bps);
flow = gst_pad_alloc_buffer_and_set_caps (musepackdec->srcpad, -1,
MPC_DECODER_BUFFER_LENGTH * 4, GST_PAD_CAPS (musepackdec->srcpad), &out);
if (flow != GST_FLOW_OK) {
GST_DEBUG_OBJECT (musepackdec, "Flow: %s", gst_flow_get_name (flow));
goto pause_task;
}
num_samples = mpc_decoder_decode (musepackdec->d,
(MPC_SAMPLE_FORMAT *) GST_BUFFER_DATA (out), &update_acc, &update_bits);
if (num_samples < 0) {
GST_ERROR_OBJECT (musepackdec, "Failed to decode sample");
GST_ELEMENT_ERROR (musepackdec, STREAM, DECODE, (NULL), (NULL));
goto pause_task;
} else if (num_samples == 0) {
goto eos_and_pause;
}
GST_BUFFER_SIZE (out) = num_samples * bitspersample;
GST_BUFFER_OFFSET (out) = musepackdec->segment.last_stop;
GST_BUFFER_TIMESTAMP (out) =
gst_util_uint64_scale_int (musepackdec->segment.last_stop,
GST_SECOND, samplerate);
GST_BUFFER_DURATION (out) =
gst_util_uint64_scale_int (num_samples, GST_SECOND, samplerate);
musepackdec->segment.last_stop += num_samples;
GST_LOG_OBJECT (musepackdec, "Pushing buffer, timestamp %" GST_TIME_FORMAT,
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (out)));
flow = gst_pad_push (musepackdec->srcpad, out);
if (flow != GST_FLOW_OK) {
GST_DEBUG_OBJECT (musepackdec, "Flow: %s", gst_flow_get_name (flow));
goto pause_task;
}
/* check if we're at the end of a configured segment */
if (musepackdec->segment.stop != -1 &&
musepackdec->segment.last_stop >= musepackdec->segment.stop) {
gint64 stop_time;
GST_DEBUG_OBJECT (musepackdec, "Reached end of configured segment");
if ((musepackdec->segment.flags & GST_SEEK_FLAG_SEGMENT) == 0)
goto eos_and_pause;
GST_DEBUG_OBJECT (musepackdec, "Posting SEGMENT_DONE message");
stop_time = gst_util_uint64_scale_int (musepackdec->segment.stop,
GST_SECOND, samplerate);
gst_element_post_message (GST_ELEMENT (musepackdec),
gst_message_new_segment_done (GST_OBJECT (musepackdec),
GST_FORMAT_TIME, stop_time));
goto pause_task;
}
return;
eos_and_pause:
{
GST_DEBUG_OBJECT (musepackdec, "sending EOS event");
gst_pad_push_event (musepackdec->srcpad, gst_event_new_eos ());
/* fall through to pause */
}
pause_task:
{
GST_DEBUG_OBJECT (musepackdec, "Pausing task");
gst_pad_pause_task (sinkpad);
return;
}
}
static GstStateChangeReturn
gst_musepackdec_change_state (GstElement * element, GstStateChange transition)
{
GstMusepackDec *musepackdec = GST_MUSEPACK_DEC (element);
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
gst_segment_init (&musepackdec->segment, GST_FORMAT_DEFAULT);
gst_segment_set_last_stop (&musepackdec->segment, GST_FORMAT_DEFAULT, 0);
break;
default:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
gst_segment_init (&musepackdec->segment, GST_FORMAT_UNDEFINED);
musepackdec->offset = 0;
musepackdec->rate = 0;
musepackdec->bps = 0;
break;
default:
break;
}
return ret;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "musepackdec",
GST_RANK_PRIMARY, GST_TYPE_MUSEPACK_DEC);
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"musepack",
"Musepack decoder", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME,
GST_PACKAGE_ORIGIN)