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Commit NAS Sink, closed bugzilla 345633

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Original commit message from CVS:
Commit NAS Sink, closed bugzilla 345633
This commit is contained in:
Christian Schaller 2007-03-02 19:43:48 +00:00
parent 6ca3c959b6
commit 72ef9a10a8
5 changed files with 195 additions and 249 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2007-03-02 Christian Schaller <christian at fluendo dot com>
Patch by: Nguyen Thai Ngoc Duy <pcloud@gmail.com>
* ext/nas: Upgrade of NAS plugin to 0.10 (#345633)
2007-03-02 Tim-Philipp Müller <tim at centricular dot net> 2007-03-02 Tim-Philipp Müller <tim at centricular dot net>
* ext/dts/gstdtsdec.c: (gst_dtsdec_init), (gst_dtsdec_sink_event): * ext/dts/gstdtsdec.c: (gst_dtsdec_init), (gst_dtsdec_sink_event):

16
configure.ac
View file

@ -762,6 +762,21 @@ AG_GST_CHECK_FEATURE(MYTHTV, [MythTV client plugins], mythtvsrc, [
AC_SUBST(GMYTH_LIBS) AC_SUBST(GMYTH_LIBS)
]) ])
dnl *** nas ***
translit(dnm, m, l) AM_CONDITIONAL(USE_NAS, true)
AG_GST_CHECK_FEATURE(NAS, [nas plug-in], nassink, [
HAVE_NAS="no"
if test "x$HAVE_X" = "xyes"; then
save_cppflags=$CFLAGS
CPPFLAGS="$CPPFLAGS $X_CFLAGS"
AG_GST_CHECK_LIBHEADER(NAS, audio, AuOpenServer, $X_LIBS, audio/audiolib.h,
NAS_LIBS="$X_LIBS -laudio" NAS_CFLAGS="$X_CFLAGS")
CPPFLAGS="$save_cppflags"
fi
AC_SUBST(NAS_CFLAGS)
AC_SUBST(NAS_LIBS)
])
dnl *** neon *** dnl *** neon ***
translit(dnm, m, l) AM_CONDITIONAL(USE_NEON, true) translit(dnm, m, l) AM_CONDITIONAL(USE_NEON, true)
AG_GST_CHECK_FEATURE(NEON, [neon http client plugins], neonhttpsrc, [ AG_GST_CHECK_FEATURE(NEON, [neon http client plugins], neonhttpsrc, [
@ -1086,6 +1101,7 @@ ext/jack/Makefile
ext/ladspa/Makefile ext/ladspa/Makefile
ext/libmms/Makefile ext/libmms/Makefile
ext/Makefile ext/Makefile
ext/nas/Makefile
ext/mpeg2enc/Makefile ext/mpeg2enc/Makefile
ext/musepack/Makefile ext/musepack/Makefile
ext/musicbrainz/Makefile ext/musicbrainz/Makefile

9
ext/Makefile.am
View file

@ -166,11 +166,11 @@ else
MYTHTV_DIR= MYTHTV_DIR=
endif endif
# if USE_NAS if USE_NAS
# NAS_DIR=nas NAS_DIR=nas
# else else
NAS_DIR= NAS_DIR=
# endif endif
if USE_NEON if USE_NEON
NEON_DIR=neon NEON_DIR=neon
@ -320,6 +320,7 @@ DIST_SUBDIRS= \
musepack \ musepack \
musicbrainz \ musicbrainz \
mythtv \ mythtv \
nas \
neon \ neon \
sdl \ sdl \
sndfile \ sndfile \

396
ext/nas/nassink.c
View file

@ -69,16 +69,16 @@ static void gst_nassink_class_init (GstNassinkClass * klass);
static void gst_nassink_init (GstNassink * nassink); static void gst_nassink_init (GstNassink * nassink);
static void gst_nassink_finalize (GObject * object); static void gst_nassink_finalize (GObject * object);
static gboolean gst_nassink_open_audio (GstNassink * sink); static gboolean gst_nassink_open (GstAudioSink * sink);
static void gst_nassink_close_audio (GstNassink * sink); static gboolean gst_nassink_close (GstAudioSink * sink);
static GstStateChangeReturn gst_nassink_change_state (GstElement * element, static gboolean gst_nassink_prepare (GstAudioSink * sink,
GstStateChange transition); GstRingBufferSpec * spec);
static GstCaps *gst_nassink_getcaps (GstPad * pad); static gboolean gst_nassink_unprepare (GstAudioSink * sink);
static gboolean gst_nassink_sync_parms (GstNassink * nassink); static guint gst_nassink_write (GstAudioSink * asink, gpointer data,
static GstPadLinkReturn gst_nassink_sinkconnect (GstPad * pad, guint length);
const GstCaps * caps); static guint gst_nassink_delay (GstAudioSink * asink);
static void gst_nassink_reset (GstAudioSink * asink);
static void gst_nassink_chain (GstPad * pad, GstData * _data); static GstCaps *gst_nassink_getcaps (GstBaseSink * pad);
static void gst_nassink_set_property (GObject * object, guint prop_id, static void gst_nassink_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec); const GValue * value, GParamSpec * pspec);
@ -90,9 +90,7 @@ static void NAS_sendData (GstNassink * sink, AuUint32 numBytes);
static AuBool NAS_EventHandler (AuServer * aud, AuEvent * ev, static AuBool NAS_EventHandler (AuServer * aud, AuEvent * ev,
AuEventHandlerRec * handler); AuEventHandlerRec * handler);
static AuDeviceID NAS_getDevice (AuServer * aud, int numTracks); static AuDeviceID NAS_getDevice (AuServer * aud, int numTracks);
static int NAS_allocBuffer (GstNassink * sink); static int NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec);
static int NAS_createFlow (GstNassink * sink, unsigned char format,
unsigned short rate, int numTracks);
static GstElementClass *parent_class = NULL; static GstElementClass *parent_class = NULL;
@ -115,8 +113,8 @@ gst_nassink_get_type (void)
}; };
nassink_type = nassink_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstNassink", &nassink_info, g_type_register_static (GST_TYPE_AUDIO_SINK, "GstNassink",
0); &nassink_info, 0);
} }
return nassink_type; return nassink_type;
@ -143,50 +141,47 @@ static void
gst_nassink_class_init (GstNassinkClass * klass) gst_nassink_class_init (GstNassinkClass * klass)
{ {
GObjectClass *gobject_class; GObjectClass *gobject_class;
GstElementClass *gstelement_class; GstBaseSinkClass *gstbasesink_class;
GstAudioSinkClass *gstaudiosink_class;
gobject_class = (GObjectClass *) klass; gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass; gstbasesink_class = (GstBaseSinkClass *) klass;
gstaudiosink_class = (GstAudioSinkClass *) klass;
if (parent_class == NULL) if (parent_class == NULL)
parent_class = g_type_class_peek_parent (klass); parent_class = g_type_class_peek_parent (klass);
gobject_class->set_property = gst_nassink_set_property; gobject_class->set_property = GST_DEBUG_FUNCPTR (gst_nassink_set_property);
gobject_class->get_property = gst_nassink_get_property; gobject_class->get_property = GST_DEBUG_FUNCPTR (gst_nassink_get_property);
gobject_class->finalize = gst_nassink_finalize; gobject_class->finalize = GST_DEBUG_FUNCPTR (gst_nassink_finalize);
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUTE, g_param_spec_boolean ("mute", "mute", "mute", TRUE, G_PARAM_READWRITE)); /* CHECKME */ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_MUTE, g_param_spec_boolean ("mute", "mute", "mute", TRUE, G_PARAM_READWRITE)); /* CHECKME */
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HOST, g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE)); /* CHECKME */ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_HOST, g_param_spec_string ("host", "host", "host", NULL, G_PARAM_READWRITE)); /* CHECKME */
gstelement_class->change_state = gst_nassink_change_state; gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_nassink_getcaps);
gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_nassink_open);
gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_nassink_close);
gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR (gst_nassink_prepare);
gstaudiosink_class->unprepare = GST_DEBUG_FUNCPTR (gst_nassink_unprepare);
gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_nassink_write);
gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_nassink_delay);
gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_nassink_reset);
} }
static void static void
gst_nassink_init (GstNassink * nassink) gst_nassink_init (GstNassink * nassink)
{ {
GST_CAT_DEBUG (NAS, "nassink: init"); GST_CAT_DEBUG (NAS, "nassink: init");
nassink->sinkpad =
gst_pad_new_from_template (gst_static_pad_template_get (&sink_factory),
"sink");
gst_element_add_pad (GST_ELEMENT (nassink), nassink->sinkpad);
gst_pad_set_chain_function (nassink->sinkpad,
GST_DEBUG_FUNCPTR (gst_nassink_chain));
gst_pad_set_link_function (nassink->sinkpad, gst_nassink_sinkconnect);
gst_pad_set_getcaps_function (nassink->sinkpad, gst_nassink_getcaps);
nassink->mute = FALSE; nassink->mute = FALSE;
nassink->depth = 16;
nassink->tracks = 2;
nassink->rate = 44100;
nassink->host = g_strdup (getenv ("AUDIOSERVER")); nassink->host = g_strdup (getenv ("AUDIOSERVER"));
if (nassink->host == NULL) if (nassink->host == NULL)
nassink->host = g_strdup (getenv ("DISPLAY")); nassink->host = g_strdup (getenv ("DISPLAY"));
nassink->audio = NULL; nassink->audio = NULL;
nassink->flow = AuNone; nassink->flow = AuNone;
nassink->size = 0; nassink->need_data = 0;
nassink->pos = 0;
nassink->buf = NULL;
} }
static void static void
@ -199,10 +194,11 @@ gst_nassink_finalize (GObject * object)
} }
static GstCaps * static GstCaps *
gst_nassink_getcaps (GstPad * pad) gst_nassink_getcaps (GstBaseSink * bsink)
{ {
GstNassink *nassink = GST_NASSINK (gst_pad_get_parent (pad)); GstNassink *nassink = GST_NASSINK (bsink);
GstCaps *templatecaps = gst_caps_copy (gst_pad_get_pad_template_caps (pad)); GstCaps *templatecaps =
gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD (bsink)));
GstCaps *caps; GstCaps *caps;
int i; int i;
AuServer *server; AuServer *server;
@ -217,123 +213,83 @@ gst_nassink_getcaps (GstPad * pad)
gst_structure_set (structure, "rate", GST_TYPE_INT_RANGE, gst_structure_set (structure, "rate", GST_TYPE_INT_RANGE,
AuServerMinSampleRate (server), AuServerMaxSampleRate (server), NULL); AuServerMinSampleRate (server), AuServerMaxSampleRate (server), NULL);
} }
caps = gst_caps_intersect (templatecaps, gst_pad_get_pad_template_caps (pad)); caps =
gst_caps_free (templatecaps); gst_caps_intersect (templatecaps,
gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD (bsink)));
gst_caps_unref (templatecaps);
return caps; return caps;
} }
static gboolean static gboolean
gst_nassink_sync_parms (GstNassink * nassink) gst_nassink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
{ {
gint ret; GstNassink *sink = GST_NASSINK (asink);
unsigned char format;
g_return_val_if_fail (nassink != NULL, FALSE); /*spec->bytes_per_sample = sink->rate * NAS_SOUND_PORT_DURATION; */
g_return_val_if_fail (GST_IS_NASSINK (nassink), FALSE); /*spec->bytes_per_sample = (spec->width / 8) * spec->channels; */
memset (spec->silence_sample, 0, spec->bytes_per_sample);
GST_CAT_DEBUG (NAS, "Sample %d", spec->bytes_per_sample);
if (nassink->audio == NULL) if (sink->audio == NULL)
return TRUE; return TRUE;
GST_CAT_DEBUG (NAS, "depth=%i rate=%i", nassink->depth, nassink->rate); if (sink->flow != AuNone) {
if (nassink->flow != AuNone) {
GST_CAT_DEBUG (NAS, "flushing buffer"); GST_CAT_DEBUG (NAS, "flushing buffer");
while (nassink->pos && nassink->buf) NAS_flush (sink);
NAS_flush (nassink); AuStopFlow (sink->audio, sink->flow, NULL);
AuStopFlow (nassink->audio, nassink->flow, NULL); AuReleaseScratchFlow (sink->audio, sink->flow, NULL);
AuReleaseScratchFlow (nassink->audio, nassink->flow, NULL); sink->flow = AuNone;
nassink->flow = AuNone;
} }
if (nassink->depth == 16) return NAS_createFlow (sink, spec);
#if G_BYTE_ORDER == G_BIG_ENDIAN
format = AuFormatLinearSigned16MSB;
#else
format = AuFormatLinearSigned16LSB;
#endif
else
format = AuFormatLinearUnsigned8;
ret = NAS_createFlow (nassink, format, nassink->rate, nassink->tracks);
return ret >= 0;
} }
static GstPadLinkReturn static gboolean
gst_nassink_sinkconnect (GstPad * pad, const GstCaps * caps) gst_nassink_unprepare (GstAudioSink * asink)
{ {
GstNassink *nassink; //GstNassink *sink = GST_NASSINK (asink);
GstStructure *structure; return TRUE;
}
nassink = GST_NASSINK (gst_pad_get_parent (pad)); static guint
gst_nassink_delay (GstAudioSink * asink)
structure = gst_caps_get_structure (caps, 0); {
GST_CAT_DEBUG (NAS, "nassink_delay");
gst_structure_get_int (structure, "depth", &nassink->depth); return 0;
gst_structure_get_int (structure, "channels", &nassink->tracks);
gst_structure_get_int (structure, "rate", &nassink->rate);
if (!gst_nassink_sync_parms (nassink))
return GST_PAD_LINK_REFUSED;
return GST_PAD_LINK_OK;
} }
static void static void
gst_nassink_chain (GstPad * pad, GstData * _data) gst_nassink_reset (GstAudioSink * asink)
{ {
GstBuffer *buf = GST_BUFFER (_data); GstNassink *sink = GST_NASSINK (asink);
int pos = 0;
int remaining;
int available;
GstNassink *nassink;
g_return_if_fail (pad != NULL); GST_CAT_DEBUG (NAS, "nassink_reset");
g_return_if_fail (GST_IS_PAD (pad)); NAS_flush (sink);
g_return_if_fail (buf != NULL); }
nassink = GST_NASSINK (gst_pad_get_parent (pad)); static guint
gst_nassink_write (GstAudioSink * asink, gpointer data, guint length)
{
GstNassink *nassink = GST_NASSINK (asink);
int used = 0;
g_return_if_fail (nassink->buf != NULL);
if (GST_BUFFER_DATA (buf) != NULL) {
if (!nassink->mute && nassink->audio != NULL) {
remaining = GST_BUFFER_SIZE (buf);
while ((nassink->flow != AuNone) && (remaining > 0)) {
/* number of bytes we can copy to buffer */
available = remaining > nassink->size - nassink->pos ?
nassink->size - nassink->pos : remaining;
/* fill the buffer */
memcpy (nassink->buf + nassink->pos, GST_BUFFER_DATA (buf) + pos,
available);
nassink->pos += available;
pos += available;
remaining -= available;
/* if we have more bytes, need to flush the buffer */
if (remaining > 0) {
while ((nassink->flow != AuNone) && (nassink->pos == nassink->size)) {
NAS_flush (nassink); NAS_flush (nassink);
} if (!nassink->mute && nassink->audio != NULL && nassink->flow != AuNone) {
}
}
/* give some time to event handler */ if (nassink->need_data == 0)
return 0;
used = nassink->need_data > length ? length : nassink->need_data;
AuWriteElement (nassink->audio, nassink->flow, 0, used, data, AuFalse,
NULL);
nassink->need_data -= used;
if (used == length)
AuSync (nassink->audio, AuFalse); AuSync (nassink->audio, AuFalse);
} else
} used = length;
} return used;
gst_buffer_unref (buf);
} }
static void static void
@ -404,23 +360,17 @@ GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN); plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN);
static gboolean static gboolean
gst_nassink_open_audio (GstNassink * sink) gst_nassink_open (GstAudioSink * asink)
{ {
GstNassink *sink = GST_NASSINK (asink);
/* Open Server */ /* Open Server */
sink->audio = AuOpenServer (sink->host, 0, NULL, 0, NULL, NULL); sink->audio = AuOpenServer (sink->host, 0, NULL, 0, NULL, NULL);
if (sink->audio == NULL) if (sink->audio == NULL)
return FALSE; return FALSE;
sink->device = NAS_getDevice (sink->audio, sink->tracks);
if (sink->device == AuNone) {
GST_CAT_DEBUG (NAS, "no device with %i tracks found", sink->tracks);
return FALSE;
}
sink->flow = AuNone; sink->flow = AuNone;
sink->size = 0; sink->need_data = 0;
sink->pos = 0;
sink->buf = NULL;
/* Start a flow */ /* Start a flow */
@ -430,26 +380,23 @@ gst_nassink_open_audio (GstNassink * sink)
return TRUE; return TRUE;
} }
static void static gboolean
gst_nassink_close_audio (GstNassink * sink) gst_nassink_close (GstAudioSink * asink)
{ {
GstNassink *sink = GST_NASSINK (asink);
if (sink->audio == NULL) if (sink->audio == NULL)
return; return TRUE;
if (sink->flow != AuNone) { if (sink->flow != AuNone) {
while (sink->pos && sink->buf) {
NAS_flush (sink); NAS_flush (sink);
}
AuStopFlow (sink->audio, sink->flow, NULL); AuStopFlow (sink->audio, sink->flow, NULL);
AuReleaseScratchFlow (sink->audio, sink->flow, NULL); AuReleaseScratchFlow (sink->audio, sink->flow, NULL);
sink->flow = AuNone; sink->flow = AuNone;
} }
if (sink->buf != NULL) { sink->need_data = 0;
free (sink->buf);
sink->buf = NULL;
}
AuCloseServer (sink->audio); AuCloseServer (sink->audio);
sink->audio = NULL; sink->audio = NULL;
@ -457,41 +404,7 @@ gst_nassink_close_audio (GstNassink * sink)
GST_OBJECT_FLAG_UNSET (sink, GST_NASSINK_OPEN); GST_OBJECT_FLAG_UNSET (sink, GST_NASSINK_OPEN);
GST_CAT_DEBUG (NAS, "closed audio device"); GST_CAT_DEBUG (NAS, "closed audio device");
} return TRUE;
static GstStateChangeReturn
gst_nassink_change_state (GstElement * element, GstStateChange transition)
{
GstNassink *nassink;
g_return_val_if_fail (GST_IS_NASSINK (element), FALSE);
nassink = GST_NASSINK (element);
switch (GST_STATE_PENDING (element)) {
case GST_STATE_NULL:
if (GST_OBJECT_FLAG_IS_SET (element, GST_NASSINK_OPEN))
gst_nassink_close_audio (nassink);
break;
case GST_STATE_READY:
if (!GST_OBJECT_FLAG_IS_SET (element, GST_NASSINK_OPEN))
gst_nassink_open_audio (nassink);
break;
case GST_STATE_PAUSED:
while (nassink->pos && nassink->buf)
NAS_flush (nassink);
break;
case GST_STATE_PLAYING:
break;
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
return GST_STATE_CHANGE_SUCCESS;
} }
static void static void
@ -506,20 +419,8 @@ NAS_flush (GstNassink * sink)
static void static void
NAS_sendData (GstNassink * sink, AuUint32 numBytes) NAS_sendData (GstNassink * sink, AuUint32 numBytes)
{ {
if (numBytes < (sink->pos)) { sink->need_data += numBytes;
return;
AuWriteElement (sink->audio, sink->flow, 0,
numBytes, sink->buf, AuFalse, NULL);
memmove (sink->buf, sink->buf + numBytes, sink->pos - numBytes);
sink->pos = sink->pos - numBytes;
} else {
AuWriteElement (sink->audio, sink->flow, 0,
sink->pos, sink->buf, (numBytes > sink->pos), NULL);
sink->pos = 0;
}
} }
static AuBool static AuBool
@ -604,34 +505,56 @@ NAS_getDevice (AuServer * aud, int numTracks)
return AuNone; return AuNone;
} }
static int static gint
NAS_allocBuffer (GstNassink * sink) gst_nassink_sink_get_format (const GstRingBufferSpec * spec)
{ {
if (sink->buf != NULL) { gint result;
free (sink->buf);
switch (spec->format) {
case GST_U8:
result = AuFormatLinearUnsigned8;
break;
case GST_S8:
result = AuFormatLinearSigned8;
break;
case GST_S16_LE:
result = AuFormatLinearSigned16LSB;
break;
case GST_S16_BE:
result = AuFormatLinearSigned16MSB;
break;
case GST_U16_LE:
result = AuFormatLinearUnsigned16LSB;
break;
case GST_U16_BE:
result = AuFormatLinearUnsigned16MSB;
break;
default:
result = 0;
break;
}
return result;
} }
sink->buf = (char *) malloc (sink->size); static gboolean
if (sink->buf == NULL) { NAS_createFlow (GstNassink * sink, GstRingBufferSpec * spec)
return -1;
}
sink->pos = 0;
return 0;
}
static int
NAS_createFlow (GstNassink * sink, unsigned char format, unsigned short rate,
int numTracks)
{ {
AuElement elements[2]; AuElement elements[2];
AuUint32 buf_samples; AuUint32 buf_samples;
unsigned char format;
format = gst_nassink_sink_get_format (spec);
if (format == 0) {
GST_ELEMENT_ERROR (sink, RESOURCE, SETTINGS, (NULL),
("Unable to get format %d", spec->format));
return FALSE;
}
GST_CAT_DEBUG (NAS, "Format: %d %d\n", spec->format, format);
sink->flow = AuGetScratchFlow (sink->audio, NULL); sink->flow = AuGetScratchFlow (sink->audio, NULL);
if (sink->flow == 0) { if (sink->flow == 0) {
GST_CAT_DEBUG (NAS, "couldn't get flow"); GST_CAT_DEBUG (NAS, "couldn't get flow");
return -1; return FALSE;
} }
/* free old Elements and reconnet to server, needed to change samplerate */ /* free old Elements and reconnet to server, needed to change samplerate */
@ -648,12 +571,12 @@ NAS_createFlow (GstNassink * sink, unsigned char format, unsigned short rate,
GST_CAT_DEBUG (NAS, "GetElements status: %i", status); GST_CAT_DEBUG (NAS, "GetElements status: %i", status);
if (oldelems) if (oldelems)
AuFreeElements (sink->audio, num_elements, oldelems); AuFreeElements (sink->audio, num_elements, oldelems);
gst_nassink_close_audio (sink); gst_nassink_close (GST_AUDIO_SINK (sink));
gst_nassink_open_audio (sink); gst_nassink_open (GST_AUDIO_SINK (sink));
sink->flow = AuGetScratchFlow (sink->audio, NULL); sink->flow = AuGetScratchFlow (sink->audio, NULL);
if (sink->flow == 0) { if (sink->flow == 0) {
GST_CAT_DEBUG (NAS, "couldn't get flow"); GST_CAT_DEBUG (NAS, "couldn't get flow");
return -1; return FALSE;
} }
} }
} }
@ -672,23 +595,33 @@ NAS_createFlow (GstNassink * sink, unsigned char format, unsigned short rate,
GST_CAT_DEBUG (NAS, "GetElements status: %i", status); GST_CAT_DEBUG (NAS, "GetElements status: %i", status);
if (oldelems) if (oldelems)
AuFreeElements (sink->audio, num_elements, oldelems); AuFreeElements (sink->audio, num_elements, oldelems);
gst_nassink_close_audio (sink); gst_nassink_close (GST_AUDIO_SINK (sink));
gst_nassink_open_audio (sink); gst_nassink_open (GST_AUDIO_SINK (sink));
sink->flow = AuGetScratchFlow (sink->audio, NULL); sink->flow = AuGetScratchFlow (sink->audio, NULL);
if (sink->flow == 0) { if (sink->flow == 0) {
GST_CAT_DEBUG (NAS, "couldn't get flow"); GST_CAT_DEBUG (NAS, "couldn't get flow");
return -1; return FALSE;
} }
} }
} }
buf_samples = rate * NAS_SOUND_PORT_DURATION; buf_samples = spec->rate * NAS_SOUND_PORT_DURATION;
/*
spec->segsize = gst_util_uint64_scale (buf_samples * spec->bytes_per_sample,
spec->latency_time, GST_SECOND / GST_USECOND);
spec->segsize -= spec->segsize % spec->bytes_per_sample;
spec->segtotal = spec->buffer_time / spec->latency_time;
*/
spec->segsize = buf_samples * spec->bytes_per_sample;
spec->segtotal = 1;
GST_CAT_DEBUG (NAS, "Rate %d Format %d tracks %d bufs %d %d/%d w %d",
spec->rate, format, spec->channels, buf_samples, spec->segsize,
spec->segtotal, spec->width);
AuMakeElementImportClient (&elements[0], /* element */ AuMakeElementImportClient (&elements[0], /* element */
rate, /* rate */ spec->rate, /* rate */
format, /* format */ format, /* format */
numTracks, /* number of tracks */ spec->channels, /* number of tracks */
AuTrue, /* discart */ AuTrue, /* discart */
buf_samples, /* max samples */ buf_samples, /* max samples */
(AuUint32) (buf_samples / 100 * AuSoundPortLowWaterMark), (AuUint32) (buf_samples / 100 * AuSoundPortLowWaterMark),
@ -696,10 +629,16 @@ NAS_createFlow (GstNassink * sink, unsigned char format, unsigned short rate,
0, /* num actions */ 0, /* num actions */
NULL); NULL);
sink->device = NAS_getDevice (sink->audio, spec->channels);
if (sink->device == AuNone) {
GST_CAT_DEBUG (NAS, "no device with %i tracks found", spec->channels);
return FALSE;
}
AuMakeElementExportDevice (&elements[1], /* element */ AuMakeElementExportDevice (&elements[1], /* element */
0, /* input */ 0, /* input */
sink->device, /* device */ sink->device, /* device */
rate, /* rate */ spec->rate, /* rate */
AuUnlimitedSamples, /* num samples */ AuUnlimitedSamples, /* num samples */
0, /* num actions */ 0, /* num actions */
NULL); /* actions */ NULL); /* actions */
@ -718,16 +657,7 @@ NAS_createFlow (GstNassink * sink, unsigned char format, unsigned short rate,
NAS_EventHandler, /* callback */ NAS_EventHandler, /* callback */
(AuPointer) sink); /* data */ (AuPointer) sink); /* data */
sink->size = buf_samples * numTracks * AuSizeofFormat (format);
if (NAS_allocBuffer (sink) < 0) {
AuReleaseScratchFlow (sink->audio, sink->flow, NULL);
return -1;
}
AuStartFlow (sink->audio, sink->flow, NULL); AuStartFlow (sink->audio, sink->flow, NULL);
return 0; return TRUE;
} }

15
ext/nas/nassink.h
View file

@ -22,6 +22,7 @@
#define __GST_NASSINK_H__ #define __GST_NASSINK_H__
#include <gst/gst.h> #include <gst/gst.h>
#include <gst/audio/gstaudiosink.h>
#ifdef __cplusplus #ifdef __cplusplus
extern "C" { extern "C" {
@ -48,16 +49,11 @@ typedef struct _GstNassink GstNassink;
typedef struct _GstNassinkClass GstNassinkClass; typedef struct _GstNassinkClass GstNassinkClass;
struct _GstNassink { struct _GstNassink {
GstElement element; GstAudioSink audiosink;
GstPad *sinkpad;
/* instance properties */ /* instance properties */
gboolean mute; gboolean mute;
gint depth;
gint tracks;
gint rate;
gchar* host; gchar* host;
/* Server info */ /* Server info */
@ -68,14 +64,11 @@ struct _GstNassink {
/* buffer */ /* buffer */
AuUint32 size; AuUint32 need_data;
AuUint32 pos;
char *buf;
}; };
struct _GstNassinkClass { struct _GstNassinkClass {
GstElementClass parent_class; GstAudioSinkClass parent_class;
}; };
GType gst_nassink_get_type(void); GType gst_nassink_get_type(void);