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The first attempt to support MAS. Dont expect it to work :)

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Original commit message from CVS:
The first attempt to support MAS. Dont expect it to work :)
This commit is contained in:
Zeeshan Ali 2003-01-30 20:24:26 +00:00
parent 0d1b9d28be
commit 1c6ceb5c0b
7 changed files with 1178 additions and 5 deletions
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10
configure.ac
View file

@ -497,6 +497,15 @@ GST_CHECK_FEATURE(DVDNAV, [dvdnav library], dvdnavsrc, [
AS_SCRUB_INCLUDE(DVDNAV_CFLAGS)
])
dnl *** MAS ***
translit(dnm, m, l) AM_CONDITIONAL(USE_MAS, true)
GST_CHECK_FEATURE(MAS, [mas library], massink, [
translit(dnm, m, l) AC_SUBST(MAS_LIBS)
translit(dnm, m, l) AC_SUBST(MAS_CFLAGS)
GST_CHECK_CONFIGPROG(MAS, mas-config)
AS_SCRUB_INCLUDE(MAS_CFLAGS)
])
dnl **** ESound ****
translit(dnm, m, l) AM_CONDITIONAL(USE_ESD, true)
GST_CHECK_FEATURE(ESD, [esound plug-ins], esdsink esdmon, [
@ -1097,6 +1106,7 @@ ext/lcs/Makefile
ext/libfame/Makefile
ext/libpng/Makefile
ext/mad/Makefile
ext/mas/Makefile
ext/mikmod/Makefile
ext/mjpegtools/Makefile
ext/mpeg2dec/Makefile

10
ext/Makefile.am
View file

@ -64,6 +64,12 @@ else
ESD_DIR=
endif
if USE_MAS
MAS_DIR=mas
else
MAS_DIR=
endif
## if USE_FESTIVAL
## FESTIVAL_DIR=festival
## else
@ -253,7 +259,7 @@ endif
SUBDIRS=$(A52DEC_DIR) $(AALIB_DIR) $(ALSA_DIR) \
$(ARTS_DIR) $(ARTSC_DIR) $(AUDIOFILE_DIR) \
$(AVIFILE_DIR) $(CDPARANOIA_DIR) \
$(DVDREAD_DIR) $(DVDNAV_DIR) $(ESD_DIR) \
$(DVDREAD_DIR) $(DVDNAV_DIR) $(ESD_DIR) $(MAS_DIR) \
$(FFMPEG_DIR) $(FLAC_DIR) $(GNOMEVFS_DIR) $(GSM_DIR) \
$(HERMES_DIR) $(HTTP_DIR) $(JACK_DIR) $(JPEG_DIR) \
$(LADSPA_DIR) $(LAME_DIR) $(LCS_DIR) \
@ -268,7 +274,7 @@ DIST_SUBDIRS=\
a52dec aalib alsa \
arts artsd avifile \
audiofile cdparanoia dv \
dvdread dvdnav esd ffmpeg \
dvdread dvdnav esd mas ffmpeg \
flac gnomevfs gsm \
hermes http jack jpeg \
ladspa lame lcs libfame libpng \

10
ext/mas/Makefile.am Normal file
View file

@ -0,0 +1,10 @@
plugindir = $(libdir)/gstreamer-@GST_MAJORMINOR@
plugin_LTLIBRARIES = libgstmassink.la
libgstmassink_la_SOURCES = massink.c
libgstmassink_la_CFLAGS = $(GST_CFLAGS) $(MAS_CFLAGS)
libgstmassink_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) $(MAS_LIBS)
noinst_HEADERS = massink.h
EXTRA_DIST = README

498
ext/mas/Makefile.in Normal file
View file

@ -0,0 +1,498 @@
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info-am install install-am install-data install-data-am \
install-exec install-exec-am install-info install-info-am \
install-man install-pluginLTLIBRARIES install-strip \
installcheck installcheck-am installdirs maintainer-clean \
maintainer-clean-generic mostlyclean mostlyclean-compile \
mostlyclean-generic mostlyclean-libtool tags uninstall \
uninstall-am uninstall-info-am uninstall-pluginLTLIBRARIES
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

546
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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* Most of the code from maswavplay and esdsink
* 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.
*/
#include "massink.h"
#define BUFFER_SIZE 640
#define BUFFER_TIME_NS 3628118
#define FORCED_STABLE_LOOPS 10
#define NANOSLEEP_GRANULARITY 100000
/* elementfactory information */
static GstElementDetails massink_details = {
"Esound audio sink",
"Sink/Audio",
"LGPL",
"Plays audio to a MAS server",
VERSION,
"Zeeshan Ali <zak147@yahoo.com>",
"(C) 2003",
};
/* Signals and args */
enum {
/* FILL ME */
LAST_SIGNAL
};
enum {
ARG_0,
ARG_MUTE,
ARG_DEPTH,
ARG_CHANNELS,
ARG_RATE,
ARG_HOST,
};
GST_PAD_TEMPLATE_FACTORY (sink_factory,
"sink", /* the name of the pads */
GST_PAD_SINK, /* type of the pad */
GST_PAD_ALWAYS, /* ALWAYS/SOMETIMES */
GST_CAPS_NEW (
"massink_sink8", /* the name of the caps */
"audio/x-wav", /* the mime type of the caps */
NULL
)
);
static void gst_massink_class_init (GstMassinkClass *klass);
static void gst_massink_init (GstMassink *massink);
static void gst_massink_set_clock (GstElement *element, GstClock *clock);
static gboolean gst_massink_open_audio (GstMassink *sink);
//static void gst_massink_close_audio (GstMassink *sink);
static GstElementStateReturn gst_massink_change_state (GstElement *element);
static gboolean gst_massink_sync_parms (GstMassink *massink);
static GstPadLinkReturn gst_massink_sinkconnect (GstPad *pad, GstCaps *caps);
static void gst_massink_chain (GstPad *pad, GstBuffer *buf);
static void gst_massink_set_property (GObject *object, guint prop_id,
const GValue *value, GParamSpec *pspec);
static void gst_massink_get_property (GObject *object, guint prop_id,
GValue *value, GParamSpec *pspec);
#define GST_TYPE_MASSINK_DEPTHS (gst_massink_depths_get_type())
static GType
gst_massink_depths_get_type (void)
{
static GType massink_depths_type = 0;
static GEnumValue massink_depths[] = {
{8, "8", "8 Bits"},
{16, "16", "16 Bits"},
{0, NULL, NULL},
};
if (!massink_depths_type) {
massink_depths_type = g_enum_register_static("GstMassinkDepths", massink_depths);
}
return massink_depths_type;
}
static GstElementClass *parent_class = NULL;
/*static guint gst_massink_signals[LAST_SIGNAL] = { 0 }; */
GType
gst_massink_get_type (void)
{
static GType massink_type = 0;
if (!massink_type) {
static const GTypeInfo massink_info = {
sizeof(GstMassinkClass), NULL,
NULL,
(GClassInitFunc)gst_massink_class_init,
NULL,
NULL,
sizeof(GstMassink),
0,
(GInstanceInitFunc)gst_massink_init,
};
massink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstMassink", &massink_info, 0);
}
return massink_type;
}
static void
gst_massink_class_init (GstMassinkClass *klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
gobject_class = (GObjectClass*)klass;
gstelement_class = (GstElementClass*)klass;
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
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_DEPTH,
g_param_spec_enum("depth","depth","depth",
GST_TYPE_MASSINK_DEPTHS,16,G_PARAM_READWRITE)); /* CHECKME! */
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_RATE,
g_param_spec_int("frequency","frequency","frequency",
G_MININT,G_MAXINT,0,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 */
gobject_class->set_property = gst_massink_set_property;
gobject_class->get_property = gst_massink_get_property;
gstelement_class->change_state = gst_massink_change_state;
gstelement_class->set_clock = gst_massink_set_clock;
}
static void
gst_massink_set_clock (GstElement *element, GstClock *clock)
{
GstMassink *massink;
massink = GST_MASSINK (element);
massink->clock = clock;
}
static void
gst_massink_init(GstMassink *massink)
{
massink->sinkpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (sink_factory), "sink");
gst_element_add_pad(GST_ELEMENT(massink), massink->sinkpad);
gst_pad_set_chain_function(massink->sinkpad, GST_DEBUG_FUNCPTR(gst_massink_chain));
gst_pad_set_link_function(massink->sinkpad, gst_massink_sinkconnect);
massink->mute = FALSE;
massink->format = 16;
massink->depth = 16;
massink->channels = 2;
massink->frequency = 44100;
massink->host = NULL;
}
static gboolean
gst_massink_sync_parms (GstMassink *massink)
{
g_return_val_if_fail (massink != NULL, FALSE);
g_return_val_if_fail (GST_IS_MASSINK (massink), FALSE);
//gst_massink_close_audio (massink);
//return gst_massink_open_audio (massink);
return 1;
}
static GstPadLinkReturn
gst_massink_sinkconnect (GstPad *pad, GstCaps *caps)
{
GstMassink *massink;
massink = GST_MASSINK (gst_pad_get_parent (pad));
if (!GST_CAPS_IS_FIXED (caps))
return GST_PAD_LINK_DELAYED;
if (gst_massink_sync_parms (massink))
return GST_PAD_LINK_OK;
return GST_PAD_LINK_REFUSED;
}
static void
gst_massink_chain (GstPad *pad, GstBuffer *buf)
{
gint32 err;
g_return_if_fail(pad != NULL);
g_return_if_fail(GST_IS_PAD(pad));
g_return_if_fail(buf != NULL);
GstMassink *massink = GST_MASSINK (gst_pad_get_parent (pad));
if (massink->clock) {
GstClockID id = gst_clock_new_single_shot_id (massink->clock, GST_BUFFER_TIMESTAMP (buf));
GST_DEBUG (0, "massink: clock wait: %llu\n", GST_BUFFER_TIMESTAMP (buf));
gst_element_clock_wait (GST_ELEMENT (massink), id, NULL);
gst_clock_id_free (id);
}
if (GST_BUFFER_DATA (buf) != NULL) {
if (!massink->mute) {
GST_DEBUG (0, "massink: data=%p size=%d", GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
if (GST_BUFFER_SIZE (buf) > BUFFER_SIZE) {
gst_buffer_unref (buf);
return;
}
massink->data->length = GST_BUFFER_SIZE (buf);
memcpy (massink->data->segment, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
err = mas_send (massink->audio_channel, massink->data);
if (err < 0) {
g_print ("error sending data to MAS server\n");
gst_buffer_unref (buf);
return;
}
/* FIXME: Please correct the Timestamping if its wrong */
massink->data->header.media_timestamp += massink->data->length / 4;
massink->data->header.sequence++;
}
}
gst_buffer_unref (buf);
}
static void
gst_massink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
{
GstMassink *massink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_MASSINK(object));
massink = GST_MASSINK(object);
switch (prop_id) {
case ARG_MUTE:
massink->mute = g_value_get_boolean (value);
break;
case ARG_DEPTH:
massink->depth = g_value_get_enum (value);
gst_massink_sync_parms (massink);
break;
case ARG_CHANNELS:
massink->channels = g_value_get_enum (value);
gst_massink_sync_parms (massink);
break;
case ARG_RATE:
massink->frequency = g_value_get_int (value);
gst_massink_sync_parms (massink);
break;
case ARG_HOST:
if (massink->host != NULL) g_free(massink->host);
if (g_value_get_string (value) == NULL)
massink->host = NULL;
else
massink->host = g_strdup (g_value_get_string (value));
break;
default:
break;
}
}
static void
gst_massink_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
{
GstMassink *massink;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_MASSINK(object));
massink = GST_MASSINK(object);
switch (prop_id) {
case ARG_MUTE:
g_value_set_boolean (value, massink->mute);
break;
case ARG_DEPTH:
g_value_set_enum (value, massink->depth);
break;
case ARG_CHANNELS:
g_value_set_enum (value, massink->channels);
break;
case ARG_RATE:
g_value_set_int (value, massink->frequency);
break;
case ARG_HOST:
g_value_set_string (value, massink->host);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
GstElementFactory *factory;
factory = gst_element_factory_new("massink", GST_TYPE_MASSINK,
&massink_details);
g_return_val_if_fail(factory != NULL, FALSE);
gst_element_factory_add_pad_template(factory, GST_PAD_TEMPLATE_GET (sink_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
return TRUE;
}
GstPluginDesc plugin_desc = {
GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"massink",
plugin_init
};
static gboolean
gst_massink_open_audio (GstMassink *massink)
{
gint32 err;
char *ratestring = g_malloc (16);
char *bps = g_malloc (8);
struct mas_data_characteristic* dc;
g_print ("Connecting to MAS.\n");
masc_log_verbosity (MAS_VERBLVL_DEBUG);
err = mas_init();
if (err < 0) {
GST_DEBUG(err, "connection with local MAS server failed.");
exit (1);
}
GST_DEBUG (0, "Establishing audio output channel.");
mas_make_data_channel ("Gstreamer", &massink->audio_channel, &massink->audio_source, &massink->audio_sink);
mas_asm_get_port_by_name (0, "default_mix_sink", &massink->mix_sink);
GST_DEBUG (0, "Instantiating endian device.");
err = mas_asm_instantiate_device ("endian", 0, 0, &massink->endian);
if (err < 0) {
GST_DEBUG(0, "Failed to instantiate endian converter device");
exit(1);
}
mas_asm_get_port_by_name (massink->endian, "endian_sink", &massink->endian_sink);
mas_asm_get_port_by_name (massink->endian, "endian_source", &massink->endian_source);
sprintf (bps, "%u", massink->depth);
sprintf (ratestring, "%u", massink->frequency);
GST_DEBUG (0, "Connecting net -> endian.");
masc_make_dc (&dc, 6);
/* wav weirdness: 8 bit data is unsigned, >8 data is signed. */
masc_append_dc_key_value (dc, "format", (massink->depth==8) ? "ulinear":"linear");
masc_append_dc_key_value (dc, "resolution", bps);
masc_append_dc_key_value (dc, "sampling rate", ratestring);
masc_append_dc_key_value (dc, "channels", "2");
masc_append_dc_key_value (dc, "endian", "little");
err = mas_asm_connect_source_sink (massink->audio_source, massink->endian_sink, dc);
if ( err < 0 ) {
GST_DEBUG(err, "Failed to connect net audio output to endian");
return -1;
}
/* The next device is 'if needed' only. After the following if()
statement, open_source will contain the current unconnected
source in the path (will be either endian_source or
squant_source in this case)
*/
massink->open_source = massink->endian_source;
if (massink->depth != 16) {
GST_DEBUG (0, "Sample resolution is not 16 bit/sample, instantiating squant device.");
err = mas_asm_instantiate_device ("squant", 0, 0, &massink->squant);
if (err < 0) {
GST_DEBUG(err, "Failed to instantiate squant device");
return -1;
}
mas_asm_get_port_by_name (massink->squant, "squant_sink", &massink->squant_sink);
mas_asm_get_port_by_name (massink->squant, "squant_source", &massink->squant_source);
GST_DEBUG (0, "Connecting endian -> squant.");
masc_make_dc (&dc, 6);
masc_append_dc_key_value (dc,"format",(massink->depth==8) ? "ulinear":"linear");
masc_append_dc_key_value (dc, "resolution", bps);
masc_append_dc_key_value (dc, "sampling rate", ratestring);
masc_append_dc_key_value (dc, "channels", "2");
masc_append_dc_key_value (dc, "endian", "host");
err = mas_asm_connect_source_sink (massink->endian_source, massink->squant_sink, dc);
if (err < 0) {
GST_DEBUG(err, "Failed to connect endian output to squant");
return -1;
}
/* sneaky: the squant device is optional -> pretend it isn't there */
massink->open_source = massink->squant_source;
}
/* Another 'if necessary' device, as above */
if (massink->frequency != 44100) {
GST_DEBUG (0, "Sample rate is not 44100, instantiating srate device.");
err = mas_asm_instantiate_device ("srate", 0, 0, &massink->srate);
if (err < 0) {
GST_DEBUG (err, "Failed to instantiate srate device");
return -1;
}
mas_asm_get_port_by_name (massink->srate, "sink", &massink->srate_sink);
mas_asm_get_port_by_name (massink->srate, "source", &massink->srate_source);
GST_DEBUG (0, "Connecting to srate.");
masc_make_dc (&dc, 6);
masc_append_dc_key_value (dc, "format", "linear");
masc_append_dc_key_value (dc, "resolution", "16");
masc_append_dc_key_value (dc, "sampling rate", ratestring);
masc_append_dc_key_value (dc, "channels", "2");
masc_append_dc_key_value (dc, "endian", "host");
err = mas_asm_connect_source_sink (massink->open_source, massink->srate_sink, dc);
if ( err < 0 ) {
GST_DEBUG(err, "Failed to connect to srate");
return -1;
}
massink->open_source = massink->srate_source;
}
GST_DEBUG(0, "Connecting to mix.");
masc_make_dc(&dc, 6);
masc_append_dc_key_value (dc, "format", "linear");
masc_append_dc_key_value (dc, "resolution", "16");
masc_append_dc_key_value (dc, "sampling rate", "44100");
masc_append_dc_key_value (dc, "channels", "2");
masc_append_dc_key_value (dc, "endian", "host");
err = mas_asm_connect_source_sink (massink->open_source, massink->mix_sink, dc);
if ( err < 0 ) {
GST_DEBUG(err, "Failed to connect to mixer");
return -1;
}
GST_FLAG_SET (massink, GST_MASSINK_OPEN);
masc_make_mas_data (&massink->data, BUFFER_SIZE);
massink->data->header.type = 10;
massink->data->header.media_timestamp = 0;
massink->data->header.sequence = 0;
return TRUE;
}
/*static void
gst_massink_close_audio (GstMassink *massink)
{
mas_free_device(massink->endian);
mas_free_device(massink->srate);
mas_free_device(massink->squant);
mas_free_port(massink->mix_sink);
mas_free_port(massink->srate_source);
mas_free_port(massink->srate_sink);
mas_free_port(massink->audio_source);
mas_free_port(massink->audio_sink);
mas_free_port(massink->endian_source);
mas_free_port(massink->endian_sink);
mas_free_port(massink->squant_source);
mas_free_port(massink->squant_sink);
mas_free_port(massink->open_source);
mas_free_channel (massink->audio_channel);
masc_destroy_mas_data (massink->data);
g_free (ratestring);
g_free (bps);
GST_FLAG_UNSET (massink, GST_MASSINK_OPEN);
GST_DEBUG (0, "massink: closed sound channel");
}*/
static GstElementStateReturn
gst_massink_change_state (GstElement *element)
{
g_return_val_if_fail (GST_IS_MASSINK (element), FALSE);
/* if going down into NULL state, close the fd if it's open */
if (GST_STATE_PENDING (element) == GST_STATE_NULL) {
//if (GST_FLAG_IS_SET (element, GST_MASSINK_OPEN))
//gst_massink_close_audio (GST_MASSINK (element));
/* otherwise (READY or higher) we need to open the fd */
} else {
if (!GST_FLAG_IS_SET (element, GST_MASSINK_OPEN)) {
if (!gst_massink_open_audio (GST_MASSINK (element)))
return GST_STATE_FAILURE;
}
}
if (GST_ELEMENT_CLASS (parent_class)->change_state)
return GST_ELEMENT_CLASS (parent_class)->change_state (element);
return GST_STATE_SUCCESS;
}

94
ext/mas/massink.h Normal file
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@ -0,0 +1,94 @@
/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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.
*/
#ifndef __GST_MASSINK_H__
#define __GST_MASSINK_H__
#include <gst/gst.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <mas/mas.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define GST_TYPE_MASSINK \
(gst_massink_get_type())
#define GST_MASSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MASSINK,GstMassink))
#define GST_MASSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_MASSINK,GstMassink))
#define GST_IS_MASSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_MASSINK))
#define GST_IS_MASSINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_MASSINK))
typedef enum {
GST_MASSINK_OPEN = GST_ELEMENT_FLAG_LAST,
GST_MASSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST+2,
} GstMasSinkFlags;
typedef struct _GstMassink GstMassink;
typedef struct _GstMassinkClass GstMassinkClass;
struct _GstMassink {
GstElement element;
GstPad *sinkpad;
gboolean mute;
gint format;
gint depth;
gint channels;
gint frequency;
gchar *host;
mas_channel_t audio_channel;
mas_port_t mix_sink;
mas_port_t srate_source, srate_sink;
mas_port_t audio_source, audio_sink;
mas_port_t endian_sink, endian_source;
mas_port_t squant_sink, squant_source;
mas_port_t open_source; /* (!) */
mas_device_t endian;
mas_device_t srate;
mas_device_t squant;
struct mas_data *data;
GstClock *clock;
};
struct _GstMassinkClass {
GstElementClass parent_class;
};
GType gst_massink_get_type(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __GST_MASSINK_H__ */

15
gst/videocrop/gstvideocrop.c
View file

@ -21,6 +21,10 @@
#include <string.h>
#ifdef __MMX__
#include <mmx.h>
#endif
#define GST_TYPE_VIDEO_CROP \
(gst_video_crop_get_type())
#define GST_VIDEO_CROP(obj) \
@ -281,17 +285,22 @@ gst_video_crop_i420 (GstVideoCrop *video_crop, GstBuffer *src_buffer, GstBuffer
guint8 *srcY, *srcU, *srcV;
guint8 *destY, *destU, *destV;
gint width = video_crop->crop_width;
gint crop_height = video_crop->crop_height;
gint src_stride = video_crop->width;
gint frame_size = video_crop->width * video_crop->height;
gint crop_height;
gint j;
srcY = GST_BUFFER_DATA (src_buffer) + (src_stride * video_crop->crop_y + video_crop->crop_x);
destY = GST_BUFFER_DATA (dest_buffer);
crop_height = video_crop->crop_height;
/* copy Y plane first */
for (j = crop_height; j; j--) {
memcpy (destY, srcY, width);
srcY += src_stride;
destY += width;
}
for (j = crop_height; j; j--) {
memcpy (destY, srcY, width);
srcY += src_stride;