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ported amrwbdec to 0.11

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This commit is contained in:
Wim Taymans 2011-10-04 17:12:35 +02:00
parent d255e3db39
commit fa2da0c2cb
3 changed files with 46 additions and 52 deletions
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2
configure.ac
View file

@ -212,7 +212,7 @@ dnl Non ported plugins (non-dependant, then dependant)
dnl Make sure you have a space before and after all plugins
GST_PLUGINS_NONPORTED=" dvdsub iec958 synaesthesia xingmux \
mpegstream realmedia \
amrnb amrwb cdio dvdread twolame "
amrnb cdio dvdread twolame "
AC_SUBST(GST_PLUGINS_NONPORTED)
dnl these are all the gst plug-ins, compilable without additional libs

4
ext/amrwbdec/Makefile.am
View file

@ -4,8 +4,8 @@ libgstamrwbdec_la_SOURCES = \
amrwb.c \
amrwbdec.c
libgstamrwbdec_la_CFLAGS = $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AMRWB_CFLAGS)
libgstamrwbdec_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS) $(AMRWB_LIBS)
libgstamrwbdec_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) $(AMRWB_CFLAGS)
libgstamrwbdec_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) $(GST_LIBS) $(AMRWB_LIBS)
libgstamrwbdec_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstamrwbdec_la_LIBTOOLFLAGS = --tag=disable-static

92
ext/amrwbdec/amrwbdec.c
View file

@ -36,6 +36,8 @@
#include "config.h"
#endif
#include <gst/audio/audio.h>
#include "amrwbdec.h"
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
@ -48,11 +50,8 @@ static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
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, "
GST_STATIC_CAPS ("audio/x-raw, "
"format = (string) " GST_AUDIO_NE (S16) ", "
"rate = (int) 16000, " "channels = (int) 1")
);
@ -74,27 +73,8 @@ static GstStateChangeReturn gst_amrwbdec_state_change (GstElement * element,
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);
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_simple (element_class, "AMR-WB audio decoder",
"Codec/Decoder/Audio",
"Adaptive Multi-Rate Wideband audio decoder",
"Renato Araujo <renato.filho@indt.org.br>");
}
#define gst_amrwbdec_parent_class parent_class
G_DEFINE_TYPE (GstAmrwbDec, gst_amrwbdec, GST_TYPE_ELEMENT);
static void
gst_amrwbdec_class_init (GstAmrwbDecClass * klass)
@ -105,14 +85,26 @@ gst_amrwbdec_class_init (GstAmrwbDecClass * klass)
object_class->finalize = gst_amrwbdec_finalize;
element_class->change_state = GST_DEBUG_FUNCPTR (gst_amrwbdec_state_change);
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_simple (element_class, "AMR-WB audio decoder",
"Codec/Decoder/Audio",
"Adaptive Multi-Rate Wideband audio decoder",
"Renato Araujo <renato.filho@indt.org.br>");
GST_DEBUG_CATEGORY_INIT (gst_amrwbdec_debug, "amrwbdec", 0,
"AMR-WB audio decoder");
}
static void
gst_amrwbdec_init (GstAmrwbDec * amrwbdec, GstAmrwbDecClass * klass)
gst_amrwbdec_init (GstAmrwbDec * amrwbdec)
{
/* 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);
@ -188,6 +180,15 @@ gst_amrwbdec_event (GstPad * pad, GstEvent * event)
amrwbdec = GST_AMRWBDEC (gst_pad_get_parent (pad));
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_event_parse_caps (event, &caps);
ret = gst_amrwbdec_setcaps (pad, caps);
gst_event_unref (event);
break;
}
case GST_EVENT_FLUSH_START:
ret = gst_pad_push_event (amrwbdec->srcpad, event);
break;
@ -200,29 +201,20 @@ gst_amrwbdec_event (GstPad * pad, GstEvent * event)
gst_adapter_clear (amrwbdec->adapter);
ret = gst_pad_push_event (amrwbdec->srcpad, event);
break;
case GST_EVENT_NEWSEGMENT:
case GST_EVENT_SEGMENT:
{
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);
GstSegment seg;
gst_event_copy_segment (event, &seg);
/* we need time for now */
if (format != GST_FORMAT_TIME)
if (seg.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));
GST_DEBUG_OBJECT (amrwbdec, "segment: %" GST_SEGMENT_FORMAT, &seg);
/* now configure the values */
gst_segment_set_newsegment_full (&amrwbdec->segment, update,
rate, arate, format, start, stop, time);
amrwbdec->segment = seg;
ret = gst_pad_push_event (amrwbdec->srcpad, event);
}
break;
@ -271,16 +263,18 @@ gst_amrwbdec_chain (GstPad * pad, GstBuffer * buffer)
while (TRUE) {
GstBuffer *out;
guint8 head[1];
const guint8 *data;
Word16 *out_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);
gst_adapter_copy (amrwbdec->adapter, head, 0, 1);
/* get size */
mode = (data[0] >> 3) & 0x0F;
mode = (head[0] >> 3) & 0x0F;
block = block_size[mode];
GST_DEBUG_OBJECT (amrwbdec, "mode %d, block %d", mode, block);
@ -310,11 +304,11 @@ gst_amrwbdec_chain (GstPad * pad, GstBuffer * buffer)
amrwbdec->discont = FALSE;
}
gst_buffer_set_caps (out, GST_PAD_CAPS (amrwbdec->srcpad));
/* decode */
out_data = gst_buffer_map (out, NULL, NULL, GST_MAP_WRITE);
D_IF_decode (amrwbdec->handle, (unsigned char *) data,
(Word16 *) GST_BUFFER_DATA (out), _good_frame);
out_data, _good_frame);
gst_buffer_unmap (out, out_data, -1);
g_free ((gpointer) data);