These are based on the OpenCore codecs.
Fixes bug #584890.
AC_CHECK_A52DEC(HAVE_A52DEC=yes, HAVE_A52DEC=no)
])
-dnl *** AMR-NB ***
+dnl *** amr-nb ***
translit(dnm, m, l) AM_CONDITIONAL(USE_AMRNB, true)
-AG_GST_CHECK_FEATURE(AMRNB, [AMR-NB], amrnb, [
- AG_GST_CHECK_LIBHEADER(AMRNB, amrnb,
+AG_GST_CHECK_FEATURE(AMRNB, [amrnb library], amrnb, [
+ AG_GST_CHECK_LIBHEADER(AMRNB, opencore-amrnb,
Decoder_Interface_init, -lm,
- amrnb/interf_dec.h,
- AMRNB_LIBS="-lamrnb -lm"
+ opencore-amrnb/interf_dec.h,
+ AMRNB_LIBS="-lopencore-amrnb -lm"
AC_SUBST(AMRNB_LIBS))
])
+dnl *** amr-wb dec ***
+translit(dnm, m, l) AM_CONDITIONAL(USE_AMRWB, true)
+AG_GST_CHECK_FEATURE(AMRWB, [amrwb library], amrwbdec, [
+ AG_GST_CHECK_LIBHEADER(AMRWB, opencore-amrwb,
+ D_IF_decode, ,
+ opencore-amrwb/dec_if.h,
+ AMRWB_LIBS="-lopencore-amrwb"
+ AC_SUBST(AMRWB_LIBS))
+])
+
dnl *** cdio ***
translit(dnm, m, l) AM_CONDITIONAL(USE_CDIO, true)
AG_GST_CHECK_FEATURE(CDIO, [cdio library], cdio, [
AM_CONDITIONAL(USE_A52DEC, false)
AM_CONDITIONAL(USE_AMRNB, false)
+AM_CONDITIONAL(USE_AMRWB, false)
AM_CONDITIONAL(USE_CDIO, false)
AM_CONDITIONAL(USE_DVDREAD, false)
AM_CONDITIONAL(USE_LAME, false)
ext/Makefile
ext/a52dec/Makefile
ext/amrnb/Makefile
+ext/amrwbdec/Makefile
ext/cdio/Makefile
ext/dvdread/Makefile
ext/lame/Makefile
$(top_srcdir)/ext/a52dec/gsta52dec.h \
$(top_srcdir)/ext/amrnb/amrnbdec.h \
$(top_srcdir)/ext/amrnb/amrnbenc.h \
- $(top_srcdir)/ext/amrnb/amrnbparse.h \
+ $(top_srcdir)/ext/amrwbdec/amrwbdec.h \
$(top_srcdir)/ext/cdio/gstcdiocddasrc.h \
$(top_srcdir)/ext/lame/gstlame.h \
$(top_srcdir)/ext/lame/gstlamemp3enc.h \
<xi:include href="xml/element-a52dec.xml" />
<xi:include href="xml/element-amrnbdec.xml" />
<xi:include href="xml/element-amrnbenc.xml" />
- <xi:include href="xml/element-amrnbparse.xml" />
+ <xi:include href="xml/element-amrwbdec.xml" />
<xi:include href="xml/element-cdiocddasrc.xml" />
<xi:include href="xml/element-lame.xml" />
<xi:include href="xml/element-lamemp3enc.xml" />
<title>gst-plugins-ugly Plugins</title>
<xi:include href="xml/plugin-a52dec.xml" />
<xi:include href="xml/plugin-amrnb.xml" />
+ <xi:include href="xml/plugin-amrwbdec.xml" />
<xi:include href="xml/plugin-asf.xml" />
<xi:include href="xml/plugin-cdio.xml" />
<xi:include href="xml/plugin-dvdlpcmdec.xml" />
</SECTION>
<SECTION>
-<FILE>element-amrnbparse</FILE>
-<TITLE>amrnbparse</TITLE>
-GstAmrnbParse
-<SUBSECTION Standard>
-GstAmrnbParseClass
-GST_AMRNBPARSE
-GST_AMRNBPARSE_CLASS
-GST_IS_AMRNBPARSE
-GST_IS_AMRNBPARSE_CLASS
-GST_TYPE_AMRNBPARSE
-gst_amrnbparse_get_type
+<FILE>element-amrwbdec</FILE>
+<TITLE>amrwbdec</TITLE>
+GstAmrwbDec
+<SUBSECTION Standard>
+GstAmrwbDecClass
+GST_AMRWBDEC
+GST_AMRWBDEC_CLASS
+GST_IS_AMRWBDEC
+GST_IS_AMRWBDEC_CLASS
+GST_TYPE_AMRWBDEC
+gst_amrwbdec_get_type
</SECTION>
<SECTION>
GstChildProxy GstObject
-GstTagSetter GstElement
<description>Adaptive Multi-Rate Narrow-Band</description>
<filename>../../ext/amrnb/.libs/libgstamrnb.so</filename>
<basename>libgstamrnb.so</basename>
- <version>0.10.11.1</version>
+ <version>0.10.12.1</version>
<license>unknown</license>
<source>gst-plugins-ugly</source>
- <package>GStreamer Ugly Plug-ins CVS/prerelease</package>
+ <package>GStreamer Ugly Plug-ins git/prerelease</package>
<origin>Unknown package origin</origin>
<elements>
<element>
</caps>
</pads>
</element>
- <element>
- <name>amrnbparse</name>
- <longname>AMR-NB audio stream parser</longname>
- <class>Codec/Parser/Audio</class>
- <description>Adaptive Multi-Rate Narrow-Band audio parser</description>
- <author>Ronald Bultje <rbultje@ronald.bitfreak.net></author>
- <pads>
- <caps>
- <name>src</name>
- <direction>source</direction>
- <presence>always</presence>
- <details>audio/AMR, rate=(int)8000, channels=(int)1</details>
- </caps>
- <caps>
- <name>sink</name>
- <direction>sink</direction>
- <presence>always</presence>
- <details>audio/x-amr-nb-sh</details>
- </caps>
- </pads>
- </element>
</elements>
</plugin>
\ No newline at end of file
--- /dev/null
+<plugin>
+ <name>amrwbdec</name>
+ <description>Adaptive Multi-Rate Wide-Band Decoder</description>
+ <filename>../../ext/amrwbdec/.libs/libgstamrwbdec.so</filename>
+ <basename>libgstamrwbdec.so</basename>
+ <version>0.10.12.1</version>
+ <license>unknown</license>
+ <source>gst-plugins-ugly</source>
+ <package>GStreamer Ugly Plug-ins git/prerelease</package>
+ <origin>Unknown package origin</origin>
+ <elements>
+ <element>
+ <name>amrwbdec</name>
+ <longname>AMR-WB audio decoder</longname>
+ <class>Codec/Decoder/Audio</class>
+ <description>Adaptive Multi-Rate Wideband audio decoder</description>
+ <author>Renato Araujo <renato.filho@indt.org.br></author>
+ <pads>
+ <caps>
+ <name>src</name>
+ <direction>source</direction>
+ <presence>always</presence>
+ <details>audio/x-raw-int, width=(int)16, depth=(int)16, signed=(boolean)true, endianness=(int)1234, rate=(int)16000, channels=(int)1</details>
+ </caps>
+ <caps>
+ <name>sink</name>
+ <direction>sink</direction>
+ <presence>always</presence>
+ <details>audio/AMR-WB, rate=(int)16000, channels=(int)1</details>
+ </caps>
+ </pads>
+ </element>
+ </elements>
+</plugin>
\ No newline at end of file
AMRNB_DIR =
endif
+if USE_AMRWB
+ AMRWB_DIR = amrwbdec
+else
+ AMRWB_DIR =
+endif
+
if USE_CDIO
CDIO_DIR = cdio
else
SUBDIRS = \
$(A52DEC_DIR) \
$(AMRNB_DIR) \
+ $(AMRWB_DIR) \
$(CDIO_DIR) \
$(DVDREAD_DIR) \
$(LAME_DIR) \
DIST_SUBDIRS = \
a52dec \
amrnb \
+ amrwbdec \
cdio \
dvdread \
lame \
--- /dev/null
+[_presets_]
+version=0.10
+element-name=GstAmrnbEnc
+
+[enhance-size]
+_meta/comment=Maximize compression, lowest bitrate
+band-mode=0
+
+[enhance-quality]
+_meta/comment=Maximize quality, highest bitrate
+band-mode=7
libgstamrnb_la_SOURCES = \
amrnb.c \
amrnbdec.c \
- amrnbenc.c \
- amrnbparse.c
+ amrnbenc.c
libgstamrnb_la_CFLAGS = $(GST_CFLAGS) $(AMRNB_CFLAGS)
libgstamrnb_la_LIBADD = $(GST_BASE_LIBS) $(AMRNB_LIBS)
noinst_HEADERS = \
amrnbdec.h \
- amrnbenc.h \
- amrnbparse.h
+ amrnbenc.h
+
+presetdir = $(datadir)/gstreamer-$(GST_MAJORMINOR)/presets
+preset_DATA = GstAmrnbEnc.prs
+
+EXTRA_DIST = $(preset_DATA)
--- /dev/null
+Compiling AMRNB:
+================
+
+To compile the amrnb plugin, you need the opencore-amrnb development package.
+If your distribution does not provide this package, you can download the
+source code from "http://sourceforge.net/projects/opencore-amr".
#include "amrnbdec.h"
#include "amrnbenc.h"
-#include "amrnbparse.h"
static gboolean
plugin_init (GstPlugin * plugin)
{
return gst_element_register (plugin, "amrnbdec",
GST_RANK_PRIMARY, GST_TYPE_AMRNBDEC) &&
- gst_element_register (plugin, "amrnbparse",
- GST_RANK_PRIMARY, GST_TYPE_AMRNBPARSE) &&
gst_element_register (plugin, "amrnbenc",
GST_RANK_NONE, GST_TYPE_AMRNBENC);
}
/**
* SECTION:element-amrnbdec
- * @see_also: #GstAmrnbEnc, #GstAmrnbParse
+ * @see_also: #GstAmrnbEnc, #GstAmrParse
*
* AMR narrowband decoder based on the
- * <ulink url="http://www.penguin.cz/~utx/amr">reference codec implementation</ulink>.
+ * <ulink url="http://sourceforge.net/projects/opencore-amr">opencore codec implementation</ulink>.
*
* <refsect2>
* <title>Example launch line</title>
* |[
- * gst-launch filesrc location=abc.amr ! amrnbparse ! amrnbdec ! audioresample ! audioconvert ! alsasink
+ * gst-launch filesrc location=abc.amr ! amrparse ! amrnbdec ! audioresample ! audioconvert ! alsasink
* ]|
* </refsect2>
*/
static const gint block_size_if1[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5,
0, 0, 0, 0, 0, 0, 0
};
+
static const gint block_size_if2[16] = { 12, 13, 15, 17, 18, 20, 25, 30, 5,
0, 0, 0, 0, 0, 0, 0
};
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
-#include <amrnb/interf_dec.h>
+#include <opencore-amrnb/interf_dec.h>
G_BEGIN_DECLS
* @see_also: #GstAmrnbDec, #GstAmrnbParse
*
* AMR narrowband encoder based on the
- * <ulink url="http://www.penguin.cz/~utx/amr">reference codec implementation</ulink>.
+ * <ulink url="http://sourceforge.net/projects/opencore-amr">opencore codec implementation</ulink>.
*
* <refsect2>
* <title>Example launch line</title>
static GstStateChangeReturn gst_amrnbenc_state_change (GstElement * element,
GstStateChange transition);
-#define _do_init(bla) \
- GST_DEBUG_CATEGORY_INIT (gst_amrnbenc_debug, "amrnbenc", 0, "AMR-NB audio encoder");
+static void
+_do_init (GType object_type)
+{
+ const GInterfaceInfo preset_interface_info = {
+ NULL, /* interface init */
+ NULL, /* interface finalize */
+ NULL /* interface_data */
+ };
+
+ g_type_add_interface_static (object_type, GST_TYPE_PRESET,
+ &preset_interface_info);
+
+ GST_DEBUG_CATEGORY_INIT (gst_amrnbenc_debug, "amrnbenc", 0,
+ "AMR-NB audio encoder");
+}
GST_BOILERPLATE_FULL (GstAmrnbEnc, gst_amrnbenc, GstElement, GST_TYPE_ELEMENT,
_do_init);
#define __GST_AMRNBENC_H__
#include <gst/gst.h>
-#include <amrnb/interf_enc.h>
+#include <opencore-amrnb/interf_enc.h>
#include <gst/base/gstadapter.h>
G_BEGIN_DECLS
+++ /dev/null
-/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
- * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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.
- */
-
-/**
- * SECTION:element-amrnbparse
- * @see_also: #GstAmrnbDec, #GstAmrnbEnc
- *
- * AMR narrowband bitstream parser.
- *
- * <refsect2>
- * <title>Example launch line</title>
- * |[
- * gst-launch filesrc location=abc.amr ! amrnbparse ! amrnbdec ! audioresample ! audioconvert ! alsasink
- * ]|
- * </refsect2>
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-#include "amrnbparse.h"
-
-static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/AMR, " "rate = (int) 8000, " "channels = (int) 1")
- );
-
-static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("audio/x-amr-nb-sh")
- );
-
-GST_DEBUG_CATEGORY_STATIC (gst_amrnbparse_debug);
-#define GST_CAT_DEFAULT gst_amrnbparse_debug
-
-static const gint block_size[16] = { 12, 13, 15, 17, 19, 20, 26, 31, 5,
- 0, 0, 0, 0, 0, 0, 0
-};
-
-#define AMRNB_HEADER_SIZE 6
-#define AMRNB_HEADER_STR "#!AMR\n"
-
-/*static const GstFormat *gst_amrnbparse_formats (GstPad * pad);*/
-static const GstQueryType *gst_amrnbparse_querytypes (GstPad * pad);
-static gboolean gst_amrnbparse_query (GstPad * pad, GstQuery * query);
-
-static gboolean gst_amrnbparse_sink_event (GstPad * pad, GstEvent * event);
-static gboolean gst_amrnbparse_src_event (GstPad * pad, GstEvent * event);
-static GstFlowReturn gst_amrnbparse_chain (GstPad * pad, GstBuffer * buffer);
-static void gst_amrnbparse_loop (GstPad * pad);
-static gboolean gst_amrnbparse_sink_activate (GstPad * sinkpad);
-static gboolean gst_amrnbparse_sink_activate_pull (GstPad * sinkpad,
- gboolean active);
-static gboolean gst_amrnbparse_sink_activate_push (GstPad * sinkpad,
- gboolean active);
-static GstStateChangeReturn gst_amrnbparse_state_change (GstElement * element,
- GstStateChange transition);
-
-static void gst_amrnbparse_finalize (GObject * object);
-
-#define _do_init(bla) \
- GST_DEBUG_CATEGORY_INIT (gst_amrnbparse_debug, "amrnbparse", 0, "AMR-NB audio stream parser");
-
-GST_BOILERPLATE_FULL (GstAmrnbParse, gst_amrnbparse, GstElement,
- GST_TYPE_ELEMENT, _do_init);
-
-static void
-gst_amrnbparse_base_init (gpointer klass)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
- GstElementDetails details = GST_ELEMENT_DETAILS ("AMR-NB audio stream parser",
- "Codec/Parser/Audio",
- "Adaptive Multi-Rate Narrow-Band audio parser",
- "Ronald Bultje <rbultje@ronald.bitfreak.net>");
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&sink_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&src_template));
-
- gst_element_class_set_details (element_class, &details);
-}
-
-static void
-gst_amrnbparse_class_init (GstAmrnbParseClass * klass)
-{
- GObjectClass *object_class = G_OBJECT_CLASS (klass);
- GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
- object_class->finalize = gst_amrnbparse_finalize;
-
- element_class->change_state = GST_DEBUG_FUNCPTR (gst_amrnbparse_state_change);
-}
-
-static void
-gst_amrnbparse_init (GstAmrnbParse * amrnbparse, GstAmrnbParseClass * klass)
-{
- /* create the sink pad */
- amrnbparse->sinkpad =
- gst_pad_new_from_static_template (&sink_template, "sink");
- gst_pad_set_chain_function (amrnbparse->sinkpad,
- GST_DEBUG_FUNCPTR (gst_amrnbparse_chain));
- gst_pad_set_event_function (amrnbparse->sinkpad,
- GST_DEBUG_FUNCPTR (gst_amrnbparse_sink_event));
- gst_pad_set_activate_function (amrnbparse->sinkpad,
- gst_amrnbparse_sink_activate);
- gst_pad_set_activatepull_function (amrnbparse->sinkpad,
- gst_amrnbparse_sink_activate_pull);
- gst_pad_set_activatepush_function (amrnbparse->sinkpad,
- gst_amrnbparse_sink_activate_push);
- gst_element_add_pad (GST_ELEMENT (amrnbparse), amrnbparse->sinkpad);
-
- /* create the src pad */
- amrnbparse->srcpad = gst_pad_new_from_static_template (&src_template, "src");
- gst_pad_set_event_function (amrnbparse->srcpad,
- GST_DEBUG_FUNCPTR (gst_amrnbparse_src_event));
- gst_pad_set_query_function (amrnbparse->srcpad,
- GST_DEBUG_FUNCPTR (gst_amrnbparse_query));
- gst_pad_set_query_type_function (amrnbparse->srcpad,
- GST_DEBUG_FUNCPTR (gst_amrnbparse_querytypes));
- gst_pad_use_fixed_caps (amrnbparse->srcpad);
- gst_element_add_pad (GST_ELEMENT (amrnbparse), amrnbparse->srcpad);
-
- amrnbparse->adapter = gst_adapter_new ();
-
- /* init rest */
- amrnbparse->ts = 0;
-}
-
-static void
-gst_amrnbparse_finalize (GObject * object)
-{
- GstAmrnbParse *amrnbparse;
-
- amrnbparse = GST_AMRNBPARSE (object);
-
- gst_adapter_clear (amrnbparse->adapter);
- g_object_unref (amrnbparse->adapter);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-
-/*
- * Position querying.
- */
-
-#if 0
-static const GstFormat *
-gst_amrnbparse_formats (GstPad * pad)
-{
- static const GstFormat list[] = {
- GST_FORMAT_TIME,
- 0
- };
-
- return list;
-}
-#endif
-
-static const GstQueryType *
-gst_amrnbparse_querytypes (GstPad * pad)
-{
- static const GstQueryType list[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- 0
- };
-
- return list;
-}
-
-static gboolean
-gst_amrnbparse_query (GstPad * pad, GstQuery * query)
-{
- GstAmrnbParse *amrnbparse;
- gboolean res = TRUE;
-
- amrnbparse = GST_AMRNBPARSE (GST_PAD_PARENT (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 cur;
-
- gst_query_parse_position (query, &format, NULL);
-
- if (format != GST_FORMAT_TIME)
- return FALSE;
-
- cur = amrnbparse->ts;
-
- gst_query_set_position (query, GST_FORMAT_TIME, cur);
- res = TRUE;
- break;
- }
- case GST_QUERY_DURATION:
- {
- GstFormat format;
- gint64 tot;
- GstPad *peer;
-
- gst_query_parse_duration (query, &format, NULL);
-
- if (format != GST_FORMAT_TIME)
- return FALSE;
-
- tot = -1;
- res = FALSE;
-
- peer = gst_pad_get_peer (amrnbparse->sinkpad);
- if (peer) {
- GstFormat pformat;
- gint64 ptot;
-
- pformat = GST_FORMAT_BYTES;
- res = gst_pad_query_duration (peer, &pformat, &ptot);
- if (res && amrnbparse->block) {
- tot =
- gst_util_uint64_scale_int (ptot, 20 * GST_MSECOND,
- amrnbparse->block);
- }
- gst_object_unref (GST_OBJECT (peer));
- }
- gst_query_set_duration (query, GST_FORMAT_TIME, tot);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
- return res;
-}
-
-
-static gboolean
-gst_amrnbparse_handle_pull_seek (GstAmrnbParse * amrnbparse, GstPad * pad,
- GstEvent * event)
-{
- GstFormat format;
- gdouble rate;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 byte_cur = -1;
- gboolean flush;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur,
- &stop_type, &stop);
-
- GST_DEBUG_OBJECT (amrnbparse, "Performing seek to %" GST_TIME_FORMAT,
- GST_TIME_ARGS (cur));
-
- /* For any format other than TIME, see if upstream handles
- * it directly or fail. For TIME, try upstream, but do it ourselves if
- * it fails upstream */
- if (format != GST_FORMAT_TIME) {
- return gst_pad_push_event (amrnbparse->sinkpad, event);
- } else {
- if (gst_pad_push_event (amrnbparse->sinkpad, event))
- return TRUE;
- }
-
- flush = flags & GST_SEEK_FLAG_FLUSH;
-
- /* send flush start */
- if (flush)
- gst_pad_push_event (amrnbparse->sinkpad, gst_event_new_flush_start ());
- /* we only handle FLUSH seeks at the moment */
- else
- return FALSE;
-
- /* grab streaming lock, this should eventually be possible, either
- * because the task is paused or our streaming thread stopped
- * because our peer is flushing. */
- GST_PAD_STREAM_LOCK (amrnbparse->sinkpad);
-
- /* Convert the TIME to the appropriate BYTE position at which to resume
- * decoding. */
- cur = cur / (20 * GST_MSECOND) * (20 * GST_MSECOND);
- if (cur != -1)
- byte_cur = amrnbparse->block * (cur / 20 / GST_MSECOND) + AMRNB_HEADER_SIZE;
- amrnbparse->offset = byte_cur;
- amrnbparse->ts = cur;
-
- GST_DEBUG_OBJECT (amrnbparse, "Seeking to byte range %" G_GINT64_FORMAT,
- byte_cur);
-
- /* and prepare to continue streaming */
- /* send flush stop, peer will accept data and events again. We
- * are not yet providing data as we still have the STREAM_LOCK. */
- gst_pad_push_event (amrnbparse->sinkpad, gst_event_new_flush_stop ());
- gst_pad_push_event (amrnbparse->srcpad, gst_event_new_new_segment (FALSE,
- rate, format, cur, -1, cur));
-
- /* and restart the task in case it got paused explicitely or by
- * the FLUSH_START event we pushed out. */
- gst_pad_start_task (amrnbparse->sinkpad,
- (GstTaskFunction) gst_amrnbparse_loop, amrnbparse->sinkpad);
-
- /* and release the lock again so we can continue streaming */
- GST_PAD_STREAM_UNLOCK (amrnbparse->sinkpad);
-
- return TRUE;
-}
-
-static gboolean
-gst_amrnbparse_handle_push_seek (GstAmrnbParse * amrnbparse, GstPad * pad,
- GstEvent * event)
-{
- GstFormat format;
- gdouble rate;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 byte_cur = -1, byte_stop = -1;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type, &cur,
- &stop_type, &stop);
-
- GST_DEBUG_OBJECT (amrnbparse, "Performing seek to %" GST_TIME_FORMAT,
- GST_TIME_ARGS (cur));
-
- /* For any format other than TIME, see if upstream handles
- * it directly or fail. For TIME, try upstream, but do it ourselves if
- * it fails upstream */
- if (format != GST_FORMAT_TIME) {
- return gst_pad_push_event (amrnbparse->sinkpad, event);
- } else {
- if (gst_pad_push_event (amrnbparse->sinkpad, event))
- return TRUE;
- }
-
- /* Convert the TIME to the appropriate BYTE position at which to resume
- * decoding. */
- cur = cur / (20 * GST_MSECOND) * (20 * GST_MSECOND);
- if (cur != -1)
- byte_cur = amrnbparse->block * (cur / 20 / GST_MSECOND) + AMRNB_HEADER_SIZE;
- if (stop != -1)
- byte_stop =
- amrnbparse->block * (stop / 20 / GST_MSECOND) + AMRNB_HEADER_SIZE;
- amrnbparse->ts = cur;
-
- GST_DEBUG_OBJECT (amrnbparse, "Seeking to byte range %" G_GINT64_FORMAT
- " to %" G_GINT64_FORMAT, byte_cur, byte_stop);
-
- /* Send BYTE based seek upstream */
- event = gst_event_new_seek (rate, GST_FORMAT_BYTES, flags, cur_type,
- byte_cur, stop_type, byte_stop);
-
- return gst_pad_push_event (amrnbparse->sinkpad, event);
-}
-
-static gboolean
-gst_amrnbparse_src_event (GstPad * pad, GstEvent * event)
-{
- GstAmrnbParse *amrnbparse = GST_AMRNBPARSE (gst_pad_get_parent (pad));
- gboolean res;
-
- GST_DEBUG_OBJECT (amrnbparse, "handling event %d", GST_EVENT_TYPE (event));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- if (amrnbparse->seek_handler)
- res = amrnbparse->seek_handler (amrnbparse, pad, event);
- else
- res = FALSE;
- break;
- default:
- res = gst_pad_push_event (amrnbparse->sinkpad, event);
- break;
- }
- gst_object_unref (amrnbparse);
-
- return res;
-}
-
-/*
- * Data reading.
- */
-static gboolean
-gst_amrnbparse_sink_event (GstPad * pad, GstEvent * event)
-{
- GstAmrnbParse *amrnbparse;
- gboolean res;
-
- amrnbparse = GST_AMRNBPARSE (gst_pad_get_parent (pad));
-
- GST_LOG ("handling event %d", GST_EVENT_TYPE (event));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_START:
- res = gst_pad_push_event (amrnbparse->srcpad, event);
- break;
- case GST_EVENT_FLUSH_STOP:
- gst_adapter_clear (amrnbparse->adapter);
- gst_segment_init (&amrnbparse->segment, GST_FORMAT_TIME);
- res = gst_pad_push_event (amrnbparse->srcpad, event);
- break;
- case GST_EVENT_EOS:
- res = gst_pad_push_event (amrnbparse->srcpad, event);
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- /* eat for now, we send a newsegment at start with infinite
- * duration. */
- gst_event_unref (event);
- res = TRUE;
- break;
- }
- default:
- res = gst_pad_push_event (amrnbparse->srcpad, event);
- break;
- }
- gst_object_unref (amrnbparse);
-
- return res;
-}
-
-/* streaming mode */
-static GstFlowReturn
-gst_amrnbparse_chain (GstPad * pad, GstBuffer * buffer)
-{
- GstAmrnbParse *amrnbparse;
- GstFlowReturn res;
- gint mode;
- const guint8 *data;
- GstBuffer *out;
- GstClockTime timestamp;
-
- amrnbparse = GST_AMRNBPARSE (GST_PAD_PARENT (pad));
-
- timestamp = GST_BUFFER_TIMESTAMP (buffer);
- if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
- GST_DEBUG_OBJECT (amrnbparse, "Lock on timestamp %" GST_TIME_FORMAT,
- GST_TIME_ARGS (timestamp));
- amrnbparse->ts = timestamp;
- }
-
- gst_adapter_push (amrnbparse->adapter, buffer);
-
- res = GST_FLOW_OK;
-
- /* init */
- if (amrnbparse->need_header) {
- GstEvent *segev;
- GstCaps *caps;
-
- if (gst_adapter_available (amrnbparse->adapter) < AMRNB_HEADER_SIZE)
- goto done;
-
- data = gst_adapter_peek (amrnbparse->adapter, AMRNB_HEADER_SIZE);
- if (memcmp (data, AMRNB_HEADER_STR, AMRNB_HEADER_SIZE) != 0)
- goto done;
-
- gst_adapter_flush (amrnbparse->adapter, AMRNB_HEADER_SIZE);
-
- amrnbparse->need_header = FALSE;
-
- caps = gst_caps_new_simple ("audio/AMR",
- "rate", G_TYPE_INT, 8000, "channels", G_TYPE_INT, 1, NULL);
- gst_pad_set_caps (amrnbparse->srcpad, caps);
- gst_caps_unref (caps);
-
- GST_DEBUG_OBJECT (amrnbparse, "Sending first segment");
- segev = gst_event_new_new_segment_full (FALSE, 1.0, 1.0,
- GST_FORMAT_TIME, 0, -1, 0);
-
- gst_pad_push_event (amrnbparse->srcpad, segev);
- }
-
- while (TRUE) {
- if (gst_adapter_available (amrnbparse->adapter) < 1)
- break;
- data = gst_adapter_peek (amrnbparse->adapter, 1);
-
- /* get size */
- mode = (data[0] >> 3) & 0x0F;
- amrnbparse->block = block_size[mode] + 1; /* add one for the mode */
-
- if (gst_adapter_available (amrnbparse->adapter) < amrnbparse->block)
- break;
-
- out = gst_buffer_new_and_alloc (amrnbparse->block);
-
- data = gst_adapter_peek (amrnbparse->adapter, amrnbparse->block);
- memcpy (GST_BUFFER_DATA (out), data, amrnbparse->block);
-
- /* timestamp, all constants that won't overflow */
- GST_BUFFER_DURATION (out) = GST_SECOND * 160 / 8000;
- GST_BUFFER_TIMESTAMP (out) = amrnbparse->ts;
- if (GST_CLOCK_TIME_IS_VALID (amrnbparse->ts))
- amrnbparse->ts += GST_BUFFER_DURATION (out);
-
- gst_buffer_set_caps (out, GST_PAD_CAPS (amrnbparse->srcpad));
-
- GST_DEBUG_OBJECT (amrnbparse, "Pushing %d bytes of data",
- amrnbparse->block);
- res = gst_pad_push (amrnbparse->srcpad, out);
-
- gst_adapter_flush (amrnbparse->adapter, amrnbparse->block);
- }
-done:
-
- return res;
-}
-
-static gboolean
-gst_amrnbparse_pull_header (GstAmrnbParse * amrnbparse)
-{
- GstBuffer *buffer;
- GstFlowReturn ret;
- guint8 *data;
- gint size;
-
- ret = gst_pad_pull_range (amrnbparse->sinkpad, G_GUINT64_CONSTANT (0),
- AMRNB_HEADER_SIZE, &buffer);
- if (ret != GST_FLOW_OK)
- return FALSE;
-
- data = GST_BUFFER_DATA (buffer);
- size = GST_BUFFER_SIZE (buffer);
- if (size < AMRNB_HEADER_SIZE)
- goto not_enough;
-
- if (memcmp (data, AMRNB_HEADER_STR, AMRNB_HEADER_SIZE))
- goto no_header;
-
- gst_buffer_unref (buffer);
-
- amrnbparse->offset = AMRNB_HEADER_SIZE;
- return TRUE;
-
-not_enough:
- {
- gst_buffer_unref (buffer);
- return FALSE;
- }
-no_header:
- {
- gst_buffer_unref (buffer);
- return FALSE;
- }
-}
-
-/* random access mode, could just read a fixed size buffer and push it to
- * the chain function but we don't... */
-static void
-gst_amrnbparse_loop (GstPad * pad)
-{
- GstAmrnbParse *amrnbparse;
- GstBuffer *buffer;
- guint8 *data;
- gint size;
- gint mode;
- GstFlowReturn ret;
-
- amrnbparse = GST_AMRNBPARSE (GST_PAD_PARENT (pad));
-
- /* init */
- if (G_UNLIKELY (amrnbparse->need_header)) {
- GstCaps *caps;
-
- if (!gst_amrnbparse_pull_header (amrnbparse)) {
- GST_ELEMENT_ERROR (amrnbparse, STREAM, WRONG_TYPE, (NULL), (NULL));
- GST_LOG_OBJECT (amrnbparse, "could not read header");
- goto need_pause;
- }
-
- caps = gst_caps_new_simple ("audio/AMR",
- "rate", G_TYPE_INT, 8000, "channels", G_TYPE_INT, 1, NULL);
- gst_pad_set_caps (amrnbparse->srcpad, caps);
- gst_caps_unref (caps);
-
- GST_DEBUG_OBJECT (amrnbparse, "Sending newsegment event");
- gst_pad_push_event (amrnbparse->srcpad,
- gst_event_new_new_segment_full (FALSE, 1.0, 1.0,
- GST_FORMAT_TIME, 0, -1, 0));
-
- amrnbparse->need_header = FALSE;
- }
-
- ret =
- gst_pad_pull_range (amrnbparse->sinkpad, amrnbparse->offset, 1, &buffer);
-
- if (ret == GST_FLOW_UNEXPECTED)
- goto eos;
- else if (ret != GST_FLOW_OK)
- goto need_pause;
-
- data = GST_BUFFER_DATA (buffer);
- size = GST_BUFFER_SIZE (buffer);
-
- /* EOS */
- if (size < 1) {
- gst_buffer_unref (buffer);
- goto eos;
- }
-
- /* get size */
- mode = (data[0] >> 3) & 0x0F;
- amrnbparse->block = block_size[mode] + 1; /* add one for the mode */
-
- gst_buffer_unref (buffer);
-
- ret =
- gst_pad_pull_range (amrnbparse->sinkpad, amrnbparse->offset,
- amrnbparse->block, &buffer);
-
- if (ret == GST_FLOW_UNEXPECTED)
- goto eos;
- else if (ret != GST_FLOW_OK)
- goto need_pause;
-
- if (GST_BUFFER_SIZE (buffer) < amrnbparse->block) {
- gst_buffer_unref (buffer);
- goto eos;
- }
-
- amrnbparse->offset += amrnbparse->block;
-
- /* output */
- buffer = gst_buffer_make_metadata_writable (buffer);
- GST_BUFFER_DURATION (buffer) = GST_SECOND * 160 / 8000;
- GST_BUFFER_TIMESTAMP (buffer) = amrnbparse->ts;
-
- gst_buffer_set_caps (buffer, GST_PAD_CAPS (amrnbparse->srcpad));
-
- GST_DEBUG_OBJECT (amrnbparse, "Pushing %2d bytes, ts=%" GST_TIME_FORMAT,
- amrnbparse->block, GST_TIME_ARGS (amrnbparse->ts));
-
- ret = gst_pad_push (amrnbparse->srcpad, buffer);
-
- if (G_UNLIKELY (ret != GST_FLOW_OK)) {
- GST_DEBUG_OBJECT (amrnbparse, "Flow: %s", gst_flow_get_name (ret));
- if (GST_FLOW_IS_FATAL (ret) || ret == GST_FLOW_NOT_LINKED) {
- if (ret == GST_FLOW_UNEXPECTED) {
- /* we don't do seeking yet, so no segment flag to check here either */
- if (0) {
- /* post segment_done message here one day when seeking works */
- } else {
- GST_LOG_OBJECT (amrnbparse, "Sending EOS at end of segment");
- gst_pad_push_event (amrnbparse->srcpad, gst_event_new_eos ());
- }
- } else {
- GST_ELEMENT_ERROR (amrnbparse, STREAM, FAILED, (NULL),
- ("streaming stopped, reason: %s", gst_flow_get_name (ret)));
- gst_pad_push_event (amrnbparse->srcpad, gst_event_new_eos ());
- }
- }
- goto need_pause;
- }
-
- amrnbparse->ts += GST_BUFFER_DURATION (buffer);
-
- return;
-
-need_pause:
- {
- GST_LOG_OBJECT (amrnbparse, "pausing task");
- gst_pad_pause_task (pad);
- return;
- }
-eos:
- {
- GST_LOG_OBJECT (amrnbparse, "pausing task (eos)");
- gst_pad_push_event (amrnbparse->srcpad, gst_event_new_eos ());
- gst_pad_pause_task (pad);
- return;
- }
-}
-
-static gboolean
-gst_amrnbparse_sink_activate (GstPad * sinkpad)
-{
- gboolean result = FALSE;
- GstAmrnbParse *amrnbparse;
-
- amrnbparse = GST_AMRNBPARSE (gst_pad_get_parent (sinkpad));
-
- if (gst_pad_check_pull_range (sinkpad)) {
- GST_DEBUG ("Trying to activate in pull mode");
- amrnbparse->seekable = TRUE;
- amrnbparse->ts = 0;
- result = gst_pad_activate_pull (sinkpad, TRUE);
- } else {
- GST_DEBUG ("Try to activate in push mode");
- amrnbparse->seekable = FALSE;
- result = gst_pad_activate_push (sinkpad, TRUE);
- }
-
- gst_object_unref (amrnbparse);
- return result;
-}
-
-static gboolean
-gst_amrnbparse_sink_activate_push (GstPad * sinkpad, gboolean active)
-{
- GstAmrnbParse *amrnbparse = GST_AMRNBPARSE (gst_pad_get_parent (sinkpad));
-
- if (active) {
- amrnbparse->seek_handler = gst_amrnbparse_handle_push_seek;
- } else {
- amrnbparse->seek_handler = NULL;
- }
-
- gst_object_unref (amrnbparse);
- return TRUE;
-}
-
-static gboolean
-gst_amrnbparse_sink_activate_pull (GstPad * sinkpad, gboolean active)
-{
- gboolean result;
- GstAmrnbParse *amrnbparse = GST_AMRNBPARSE (gst_pad_get_parent (sinkpad));
-
- if (active) {
- amrnbparse->seek_handler = gst_amrnbparse_handle_pull_seek;
- result = gst_pad_start_task (sinkpad,
- (GstTaskFunction) gst_amrnbparse_loop, sinkpad);
- } else {
- amrnbparse->seek_handler = NULL;
- result = gst_pad_stop_task (sinkpad);
- }
-
- gst_object_unref (amrnbparse);
- return result;
-}
-
-static GstStateChangeReturn
-gst_amrnbparse_state_change (GstElement * element, GstStateChange transition)
-{
- GstAmrnbParse *amrnbparse;
- GstStateChangeReturn ret;
-
- amrnbparse = GST_AMRNBPARSE (element);
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- amrnbparse->need_header = TRUE;
- amrnbparse->ts = -1;
- amrnbparse->block = 0;
- gst_segment_init (&amrnbparse->segment, GST_FORMAT_TIME);
- break;
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- default:
- break;
- }
-
- return ret;
-}
+++ /dev/null
-/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
- * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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.
- */
-
-#ifndef __GST_AMRNBPARSE_H__
-#define __GST_AMRNBPARSE_H__
-
-#include <gst/gst.h>
-#include <gst/base/gstadapter.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_AMRNBPARSE \
- (gst_amrnbparse_get_type())
-#define GST_AMRNBPARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AMRNBPARSE, GstAmrnbParse))
-#define GST_AMRNBPARSE_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AMRNBPARSE, GstAmrnbParseClass))
-#define GST_IS_AMRNBPARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AMRNBPARSE))
-#define GST_IS_AMRNBPARSE_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AMRNBPARSE))
-
-typedef struct _GstAmrnbParse GstAmrnbParse;
-typedef struct _GstAmrnbParseClass GstAmrnbParseClass;
-
-typedef gboolean (*GstAmrnbSeekHandler) (GstAmrnbParse * amrnbparse, GstPad * pad,
- GstEvent * event);
-
-
-struct _GstAmrnbParse {
- GstElement element;
-
- /* pads */
- GstPad *sinkpad, *srcpad;
-
- GstAdapter *adapter;
-
- gboolean seekable;
- gboolean need_header;
- gint64 offset;
- gint block;
-
- GstAmrnbSeekHandler seek_handler;
-
- guint64 ts;
-
- /* for seeking etc */
- GstSegment segment;
-};
-
-struct _GstAmrnbParseClass {
- GstElementClass parent_class;
-};
-
-GType gst_amrnbparse_get_type (void);
-
-G_END_DECLS
-
-#endif /* __GST_AMRNBPARSE_H__ */
--- /dev/null
+plugin_LTLIBRARIES = libgstamrwbdec.la
+
+libgstamrwbdec_la_SOURCES = \
+ amrwb.c \
+ amrwbdec.c
+
+libgstamrwbdec_la_CFLAGS = $(GST_CFLAGS) $(AMRWB_CFLAGS)
+libgstamrwbdec_la_LIBADD = $(GST_BASE_LIBS) $(AMRWB_LIBS)
+libgstamrwbdec_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+libgstamrwbdec_la_LIBTOOLFLAGS = --tag=disable-static
+
+noinst_HEADERS = \
+ amrwbdec.h
--- /dev/null
+Compiling AMRWB decoder:
+========================
+
+To compile the amrwbdec plugin, you need the opencore-amrwb development
+package. If your distribution does not provide this package, you can
+download the source code from "http://sourceforge.net/projects/opencore-amr".
--- /dev/null
+/* GStreamer Adaptive Multi-Rate Wide-Band (AMR-WB) Decoder plugin
+ * Copyright (C) 2006 Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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 "amrwbdec.h"
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ return gst_element_register (plugin, "amrwbdec",
+ GST_RANK_NONE, GST_TYPE_AMRWBDEC);
+}
+
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "amrwbdec",
+ "Adaptive Multi-Rate Wide-Band Decoder",
+ plugin_init, VERSION, GST_LICENSE_UNKNOWN, GST_PACKAGE_NAME,
+ GST_PACKAGE_ORIGIN);
--- /dev/null
+/* GStreamer Adaptive Multi-Rate Narrow-Band (AMR-NB) plugin
+ * Copyright (C) 2004 Ronald Bultje <rbultje@ronald.bitfreak.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.
+ */
+
+/**
+ * SECTION:element-amrwbdec
+ * @see_also: #GstAmrwbEnc
+ *
+ * AMR wideband decoder based on the
+ * <ulink url="http://sourceforge.net/projects/opencore-amr">opencore codec implementation</ulink>.
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch filesrc location=abc.amr ! amrparse ! amrwbdec ! audioresample ! audioconvert ! alsasink
+ * ]|
+ * </refsect2>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "amrwbdec.h"
+
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/AMR-WB, "
+ "rate = (int) 16000, " "channels = (int) 1")
+ );
+
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "width = (int) 16, "
+ "depth = (int) 16, "
+ "signed = (boolean) TRUE, "
+ "endianness = (int) BYTE_ORDER, "
+ "rate = (int) 16000, " "channels = (int) 1")
+ );
+
+GST_DEBUG_CATEGORY_STATIC (gst_amrwbdec_debug);
+#define GST_CAT_DEFAULT gst_amrwbdec_debug
+
+static const unsigned char block_size[16] =
+ { 18, 24, 33, 37, 41, 47, 51, 59, 61,
+ 6, 6, 0, 0, 0, 1, 1
+};
+
+static gboolean gst_amrwbdec_event (GstPad * pad, GstEvent * event);
+static GstFlowReturn gst_amrwbdec_chain (GstPad * pad, GstBuffer * buffer);
+static gboolean gst_amrwbdec_setcaps (GstPad * pad, GstCaps * caps);
+static GstStateChangeReturn gst_amrwbdec_state_change (GstElement * element,
+ GstStateChange transition);
+
+static void gst_amrwbdec_finalize (GObject * object);
+
+#define _do_init(bla) \
+ GST_DEBUG_CATEGORY_INIT (gst_amrwbdec_debug, "amrwbdec", 0, "AMR-WB audio decoder");
+
+GST_BOILERPLATE_FULL (GstAmrwbDec, gst_amrwbdec, GstElement, GST_TYPE_ELEMENT,
+ _do_init);
+
+static void
+gst_amrwbdec_base_init (gpointer klass)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+ GstElementDetails details = GST_ELEMENT_DETAILS ("AMR-WB audio decoder",
+ "Codec/Decoder/Audio",
+ "Adaptive Multi-Rate Wideband audio decoder",
+ "Renato Araujo <renato.filho@indt.org.br>");
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&sink_template));
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&src_template));
+
+ gst_element_class_set_details (element_class, &details);
+}
+
+static void
+gst_amrwbdec_class_init (GstAmrwbDecClass * klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ object_class->finalize = gst_amrwbdec_finalize;
+
+ element_class->change_state = GST_DEBUG_FUNCPTR (gst_amrwbdec_state_change);
+}
+
+static void
+gst_amrwbdec_init (GstAmrwbDec * amrwbdec, GstAmrwbDecClass * klass)
+{
+ /* create the sink pad */
+ amrwbdec->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
+ gst_pad_set_setcaps_function (amrwbdec->sinkpad, gst_amrwbdec_setcaps);
+ gst_pad_set_event_function (amrwbdec->sinkpad, gst_amrwbdec_event);
+ gst_pad_set_chain_function (amrwbdec->sinkpad, gst_amrwbdec_chain);
+ gst_element_add_pad (GST_ELEMENT (amrwbdec), amrwbdec->sinkpad);
+
+ /* create the src pad */
+ amrwbdec->srcpad = gst_pad_new_from_static_template (&src_template, "src");
+ gst_pad_use_fixed_caps (amrwbdec->srcpad);
+ gst_element_add_pad (GST_ELEMENT (amrwbdec), amrwbdec->srcpad);
+
+ amrwbdec->adapter = gst_adapter_new ();
+
+ /* init rest */
+ amrwbdec->handle = NULL;
+ amrwbdec->channels = 0;
+ amrwbdec->rate = 0;
+ amrwbdec->duration = 0;
+ amrwbdec->ts = -1;
+}
+
+static void
+gst_amrwbdec_finalize (GObject * object)
+{
+ GstAmrwbDec *amrwbdec;
+
+ amrwbdec = GST_AMRWBDEC (object);
+
+ gst_adapter_clear (amrwbdec->adapter);
+ g_object_unref (amrwbdec->adapter);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_amrwbdec_setcaps (GstPad * pad, GstCaps * caps)
+{
+ GstStructure *structure;
+ GstAmrwbDec *amrwbdec;
+ GstCaps *copy;
+
+ amrwbdec = GST_AMRWBDEC (gst_pad_get_parent (pad));
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ /* get channel count */
+ gst_structure_get_int (structure, "channels", &amrwbdec->channels);
+ gst_structure_get_int (structure, "rate", &amrwbdec->rate);
+
+ /* create reverse caps */
+ copy = gst_caps_new_simple ("audio/x-raw-int",
+ "channels", G_TYPE_INT, amrwbdec->channels,
+ "width", G_TYPE_INT, 16,
+ "depth", G_TYPE_INT, 16,
+ "endianness", G_TYPE_INT, G_BYTE_ORDER,
+ "rate", G_TYPE_INT, amrwbdec->rate, "signed", G_TYPE_BOOLEAN, TRUE, NULL);
+
+ amrwbdec->duration = gst_util_uint64_scale_int (GST_SECOND, L_FRAME16k,
+ amrwbdec->rate * amrwbdec->channels);
+
+ gst_pad_set_caps (amrwbdec->srcpad, copy);
+ gst_caps_unref (copy);
+
+ gst_object_unref (amrwbdec);
+
+ return TRUE;
+}
+
+static gboolean
+gst_amrwbdec_event (GstPad * pad, GstEvent * event)
+{
+ GstAmrwbDec *amrwbdec;
+ gboolean ret = TRUE;
+
+ amrwbdec = GST_AMRWBDEC (gst_pad_get_parent (pad));
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_FLUSH_START:
+ ret = gst_pad_push_event (amrwbdec->srcpad, event);
+ break;
+ case GST_EVENT_FLUSH_STOP:
+ ret = gst_pad_push_event (amrwbdec->srcpad, event);
+ gst_adapter_clear (amrwbdec->adapter);
+ amrwbdec->ts = -1;
+ break;
+ case GST_EVENT_EOS:
+ gst_adapter_clear (amrwbdec->adapter);
+ ret = gst_pad_push_event (amrwbdec->srcpad, event);
+ break;
+ case GST_EVENT_NEWSEGMENT:
+ {
+ GstFormat format;
+ gdouble rate, arate;
+ gint64 start, stop, time;
+ gboolean update;
+
+ gst_event_parse_new_segment_full (event, &update, &rate, &arate, &format,
+ &start, &stop, &time);
+
+ /* we need time for now */
+ if (format != GST_FORMAT_TIME)
+ goto newseg_wrong_format;
+
+ GST_DEBUG_OBJECT (amrwbdec,
+ "newsegment: update %d, rate %g, arate %g, start %" GST_TIME_FORMAT
+ ", stop %" GST_TIME_FORMAT ", time %" GST_TIME_FORMAT,
+ update, rate, arate, GST_TIME_ARGS (start), GST_TIME_ARGS (stop),
+ GST_TIME_ARGS (time));
+
+ /* now configure the values */
+ gst_segment_set_newsegment_full (&amrwbdec->segment, update,
+ rate, arate, format, start, stop, time);
+ ret = gst_pad_push_event (amrwbdec->srcpad, event);
+ }
+ break;
+ default:
+ ret = gst_pad_push_event (amrwbdec->srcpad, event);
+ break;
+ }
+done:
+ gst_object_unref (amrwbdec);
+
+ return ret;
+
+ /* ERRORS */
+newseg_wrong_format:
+ {
+ GST_DEBUG_OBJECT (amrwbdec, "received non TIME newsegment");
+ goto done;
+ }
+}
+
+static GstFlowReturn
+gst_amrwbdec_chain (GstPad * pad, GstBuffer * buffer)
+{
+ GstAmrwbDec *amrwbdec;
+ GstFlowReturn ret = GST_FLOW_OK;
+
+ amrwbdec = GST_AMRWBDEC (gst_pad_get_parent (pad));
+
+ if (amrwbdec->rate == 0 || amrwbdec->channels == 0)
+ goto not_negotiated;
+
+ /* discontinuity, don't combine samples before and after the
+ * DISCONT */
+ if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
+ gst_adapter_clear (amrwbdec->adapter);
+ amrwbdec->ts = -1;
+ amrwbdec->discont = TRUE;
+ }
+
+ /* take latest timestamp, FIXME timestamp is the one of the
+ * first buffer in the adapter. */
+ if (GST_BUFFER_TIMESTAMP_IS_VALID (buffer))
+ amrwbdec->ts = GST_BUFFER_TIMESTAMP (buffer);
+
+ gst_adapter_push (amrwbdec->adapter, buffer);
+
+ while (TRUE) {
+ GstBuffer *out;
+ const guint8 *data;
+ gint block, mode;
+
+ /* need to peek data to get the size */
+ if (gst_adapter_available (amrwbdec->adapter) < 1)
+ break;
+ data = gst_adapter_peek (amrwbdec->adapter, 1);
+
+ /* get size */
+ mode = (data[0] >> 3) & 0x0F;
+ block = block_size[mode];
+
+ GST_DEBUG_OBJECT (amrwbdec, "mode %d, block %d", mode, block);
+
+ if (!block || gst_adapter_available (amrwbdec->adapter) < block)
+ break;
+
+ /* the library seems to write into the source data, hence the copy. */
+ data = gst_adapter_take (amrwbdec->adapter, block);
+
+ /* get output */
+ out = gst_buffer_new_and_alloc (sizeof (gint16) * L_FRAME16k);
+
+ GST_BUFFER_DURATION (out) = amrwbdec->duration;
+ GST_BUFFER_TIMESTAMP (out) = amrwbdec->ts;
+
+ if (amrwbdec->ts != -1)
+ amrwbdec->ts += amrwbdec->duration;
+ if (amrwbdec->discont) {
+ GST_BUFFER_FLAG_SET (out, GST_BUFFER_FLAG_DISCONT);
+ amrwbdec->discont = FALSE;
+ }
+
+ gst_buffer_set_caps (out, GST_PAD_CAPS (amrwbdec->srcpad));
+
+ /* decode */
+ D_IF_decode (amrwbdec->handle, (unsigned char *) data,
+ (Word16 *) GST_BUFFER_DATA (out), _good_frame);
+
+ g_free ((gpointer) data);
+
+ /* send out */
+ ret = gst_pad_push (amrwbdec->srcpad, out);
+ }
+
+ gst_object_unref (amrwbdec);
+ return ret;
+
+ /* ERRORS */
+not_negotiated:
+ {
+ GST_ELEMENT_ERROR (amrwbdec, STREAM, TYPE_NOT_FOUND, (NULL),
+ ("Decoder is not initialized"));
+ gst_object_unref (amrwbdec);
+ return GST_FLOW_NOT_NEGOTIATED;
+ }
+}
+
+static GstStateChangeReturn
+gst_amrwbdec_state_change (GstElement * element, GstStateChange transition)
+{
+ GstAmrwbDec *amrwbdec;
+ GstStateChangeReturn ret;
+
+ amrwbdec = GST_AMRWBDEC (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!(amrwbdec->handle = D_IF_init ()))
+ goto init_failed;
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ gst_adapter_clear (amrwbdec->adapter);
+ amrwbdec->rate = 0;
+ amrwbdec->channels = 0;
+ amrwbdec->ts = -1;
+ amrwbdec->discont = TRUE;
+ gst_segment_init (&amrwbdec->segment, GST_FORMAT_TIME);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ D_IF_exit (amrwbdec->handle);
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+
+ /* ERRORS */
+init_failed:
+ {
+ GST_ELEMENT_ERROR (amrwbdec, LIBRARY, INIT, (NULL),
+ ("Failed to open AMR Decoder"));
+ return GST_STATE_CHANGE_FAILURE;
+ }
+}
--- /dev/null
+/* GStreamer Adaptive Multi-Rate Wide-Band (AMR-WB) plugin
+ * Copyright (C) 2006 Edgard Lima <edgard.lima@indt.org.br>
+ *
+ * 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_AMRWBDEC_H__
+#define __GST_AMRWBDEC_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+#include <opencore-amrwb/dec_if.h>
+#include <opencore-amrwb/if_rom.h>
+
+#define L_FRAME16k 320 /* Frame size at 16kHz */
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_AMRWBDEC \
+ (gst_amrwbdec_get_type())
+#define GST_AMRWBDEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj), GST_TYPE_AMRWBDEC, GstAmrwbDec))
+#define GST_AMRWBDEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass), GST_TYPE_AMRWBDEC, GstAmrwbDecClass))
+#define GST_IS_AMRWBDEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj), GST_TYPE_AMRWBDEC))
+#define GST_IS_AMRWBDEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass), GST_TYPE_AMRWBDEC))
+
+typedef struct _GstAmrwbDec GstAmrwbDec;
+typedef struct _GstAmrwbDecClass GstAmrwbDecClass;
+
+/**
+ * GstAmrwbDec:
+ *
+ * Opaque data structure.
+ */
+struct _GstAmrwbDec {
+ GstElement element;
+
+ /* pads */
+ GstPad *sinkpad, *srcpad;
+ guint64 ts;
+
+ GstAdapter *adapter;
+
+ /* library handle */
+ void *handle;
+
+ /* output settings */
+ gint channels, rate;
+ gint duration;
+
+ GstSegment segment;
+ gboolean discont;
+};
+
+struct _GstAmrwbDecClass {
+ GstElementClass parent_class;
+};
+
+GType gst_amrwbdec_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_AMRWBDEC_H__ */
projects / platform / upstream / gst-plugins-ugly.git / commitdiff