Merge branch 'master' into 0.11

Conflicts:
	ext/amrwbdec/Makefile.am
	ext/amrwbdec/amrwbdec.c
This commit is contained in:
Wim Taymans 2011-10-05 13:32:33 +02:00
commit f99001a05d
5 changed files with 106 additions and 247 deletions

View file

@ -7,8 +7,9 @@ libgstamrnb_la_SOURCES = \
libgstamrnb_la_CFLAGS = -DGST_USE_UNSTABLE_API $(GST_PLUGINS_BASE_CFLAGS) \
$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AMRNB_CFLAGS)
libgstamrnb_la_LIBADD = $(GST_BASE_LIBS) -lgstaudio-@GST_MAJORMINOR@ \
$(GST_LIBS) $(AMRNB_LIBS)
libgstamrnb_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) \
-lgstaudio-@GST_MAJORMINOR@ \
$(GST_BASE_LIBS) $(GST_LIBS) $(AMRNB_LIBS)
libgstamrnb_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstamrnb_la_LIBTOOLFLAGS = --tag=disable-static

View file

@ -314,7 +314,6 @@ not_negotiated:
{
GST_ELEMENT_ERROR (amrnbdec, STREAM, TYPE_NOT_FOUND, (NULL),
("Decoder is not initialized"));
gst_object_unref (amrnbdec);
return GST_FLOW_NOT_NEGOTIATED;
}
}

View file

@ -4,8 +4,11 @@ libgstamrwbdec_la_SOURCES = \
amrwb.c \
amrwbdec.c
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_CFLAGS = -DGST_USE_UNSTABLE_API $(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

View file

@ -65,27 +65,23 @@ static const unsigned char block_size[16] =
6, 0, 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);
static gboolean gst_amrwbdec_start (GstAudioDecoder * dec);
static gboolean gst_amrwbdec_stop (GstAudioDecoder * dec);
static gboolean gst_amrwbdec_set_format (GstAudioDecoder * dec, GstCaps * caps);
static gboolean gst_amrwbdec_parse (GstAudioDecoder * dec, GstAdapter * adapter,
gint * offset, gint * length);
static GstFlowReturn gst_amrwbdec_handle_frame (GstAudioDecoder * dec,
GstBuffer * buffer);
#define gst_amrwbdec_parent_class parent_class
G_DEFINE_TYPE (GstAmrwbDec, gst_amrwbdec, GST_TYPE_ELEMENT);
G_DEFINE_TYPE (GstAmrwbDec, gst_amrwbdec, GST_TYPE_AUDIO_DECODER);
static void
gst_amrwbdec_class_init (GstAmrwbDecClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstAudioDecoderClass *base_class = GST_AUDIO_DECODER_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);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_add_pad_template (element_class,
@ -96,6 +92,12 @@ gst_amrwbdec_class_init (GstAmrwbDecClass * klass)
"Adaptive Multi-Rate Wideband audio decoder",
"Renato Araujo <renato.filho@indt.org.br>");
base_class->start = GST_DEBUG_FUNCPTR (gst_amrwbdec_start);
base_class->stop = GST_DEBUG_FUNCPTR (gst_amrwbdec_stop);
base_class->set_format = GST_DEBUG_FUNCPTR (gst_amrwbdec_set_format);
base_class->parse = GST_DEBUG_FUNCPTR (gst_amrwbdec_parse);
base_class->handle_frame = GST_DEBUG_FUNCPTR (gst_amrwbdec_handle_frame);
GST_DEBUG_CATEGORY_INIT (gst_amrwbdec_debug, "amrwbdec", 0,
"AMR-WB audio decoder");
}
@ -103,48 +105,42 @@ gst_amrwbdec_class_init (GstAmrwbDecClass * klass)
static void
gst_amrwbdec_init (GstAmrwbDec * amrwbdec)
{
/* create the sink pad */
amrwbdec->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
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)
gst_amrwbdec_start (GstAudioDecoder * dec)
{
GstAmrwbDec *amrwbdec = GST_AMRWBDEC (dec);
GST_DEBUG_OBJECT (dec, "start");
if (!(amrwbdec->handle = D_IF_init ()))
return FALSE;
amrwbdec->rate = 0;
amrwbdec->channels = 0;
return TRUE;
}
static gboolean
gst_amrwbdec_stop (GstAudioDecoder * dec)
{
GstAmrwbDec *amrwbdec = GST_AMRWBDEC (dec);
GST_DEBUG_OBJECT (dec, "stop");
D_IF_exit (amrwbdec->handle);
return TRUE;
}
static gboolean
gst_amrwbdec_set_format (GstAudioDecoder * dec, GstCaps * caps)
{
GstStructure *structure;
GstAmrwbDec *amrwbdec;
GstCaps *copy;
amrwbdec = GST_AMRWBDEC (gst_pad_get_parent (pad));
amrwbdec = GST_AMRWBDEC (dec);
structure = gst_caps_get_structure (caps, 0);
@ -153,224 +149,94 @@ gst_amrwbdec_setcaps (GstPad * pad, GstCaps * caps)
gst_structure_get_int (structure, "rate", &amrwbdec->rate);
/* create reverse caps */
copy = gst_caps_new_simple ("audio/x-raw-int",
copy = gst_caps_new_simple ("audio/x-raw",
"format", G_TYPE_STRING, GST_AUDIO_NE (S16),
"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);
"rate", G_TYPE_INT, amrwbdec->rate, NULL);
amrwbdec->duration = gst_util_uint64_scale_int (GST_SECOND, L_FRAME16k,
amrwbdec->rate * amrwbdec->channels);
gst_pad_set_caps (amrwbdec->srcpad, copy);
gst_audio_decoder_set_outcaps (dec, copy);
gst_caps_unref (copy);
gst_object_unref (amrwbdec);
return TRUE;
}
static gboolean
gst_amrwbdec_event (GstPad * pad, GstEvent * event)
static GstFlowReturn
gst_amrwbdec_parse (GstAudioDecoder * dec, GstAdapter * adapter,
gint * offset, gint * length)
{
GstAmrwbDec *amrwbdec;
gboolean ret = TRUE;
GstAmrwbDec *amrwbdec = GST_AMRWBDEC (dec);
guint8 header[1];
guint size;
gboolean sync, eos;
gint block, mode;
amrwbdec = GST_AMRWBDEC (gst_pad_get_parent (pad));
size = gst_adapter_available (adapter);
g_return_val_if_fail (size > 0, GST_FLOW_ERROR);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_CAPS:
{
GstCaps *caps;
gst_audio_decoder_get_parse_state (dec, &sync, &eos);
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;
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_SEGMENT:
{
GstSegment seg;
/* need to peek data to get the size */
if (gst_adapter_available (adapter) < 1)
return GST_FLOW_ERROR;
gst_event_copy_segment (event, &seg);
/* we need time for now */
if (seg.format != GST_FORMAT_TIME)
goto newseg_wrong_format;
gst_adapter_copy (adapter, header, 0, 1);
mode = (header[0] >> 3) & 0x0F;
block = block_size[mode];
GST_DEBUG_OBJECT (amrwbdec, "segment: %" GST_SEGMENT_FORMAT, &seg);
GST_DEBUG_OBJECT (amrwbdec, "mode %d, block %d", mode, block);
/* now configure the values */
amrwbdec->segment = seg;
ret = gst_pad_push_event (amrwbdec->srcpad, event);
}
break;
default:
ret = gst_pad_push_event (amrwbdec->srcpad, event);
break;
if (block) {
*offset = 0;
*length = block;
} else {
/* no frame yet, skip one byte */
GST_LOG_OBJECT (amrwbdec, "skipping byte");
*offset = 1;
return GST_FLOW_UNEXPECTED;
}
done:
gst_object_unref (amrwbdec);
return ret;
/* ERRORS */
newseg_wrong_format:
{
GST_DEBUG_OBJECT (amrwbdec, "received non TIME newsegment");
goto done;
}
return GST_FLOW_OK;
}
static GstFlowReturn
gst_amrwbdec_chain (GstPad * pad, GstBuffer * buffer)
gst_amrwbdec_handle_frame (GstAudioDecoder * dec, GstBuffer * buffer)
{
GstAmrwbDec *amrwbdec;
GstFlowReturn ret = GST_FLOW_OK;
GstBuffer *out;
guint8 *data;
Word16 *outdata;
amrwbdec = GST_AMRWBDEC (gst_pad_get_parent (pad));
amrwbdec = GST_AMRWBDEC (dec);
/* no fancy flushing */
if (!buffer || !gst_buffer_get_size (buffer))
return GST_FLOW_OK;
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;
}
/* the library seems to write into the source data, hence the copy. */
/* should be no problem */
data = gst_buffer_map (buffer, NULL, NULL, GST_MAP_READ);
/* 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);
/* get output */
out = gst_buffer_new_and_alloc (sizeof (gint16) * L_FRAME16k);
outdata = gst_buffer_map (out, NULL, NULL, GST_MAP_WRITE);
gst_adapter_push (amrwbdec->adapter, buffer);
/* decode */
D_IF_decode (amrwbdec->handle, (unsigned char *) data, outdata, _good_frame);
while (TRUE) {
GstBuffer *out;
guint8 head[1];
const guint8 *data;
Word16 *out_data;
gint block, mode;
gst_buffer_unmap (out, outdata, sizeof (gint16) * L_FRAME16k);
gst_buffer_unmap (buffer, data, -1);
/* need to peek data to get the size */
if (gst_adapter_available (amrwbdec->adapter) < 1)
break;
gst_adapter_copy (amrwbdec->adapter, head, 0, 1);
/* get size */
mode = (head[0] >> 3) & 0x0F;
block = block_size[mode];
GST_DEBUG_OBJECT (amrwbdec, "mode %d, block %d", mode, block);
if (!block) {
GST_LOG_OBJECT (amrwbdec, "skipping byte");
gst_adapter_flush (amrwbdec->adapter, 1);
continue;
}
if (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;
}
/* decode */
out_data = gst_buffer_map (out, NULL, NULL, GST_MAP_WRITE);
D_IF_decode (amrwbdec->handle, (unsigned char *) data,
out_data, _good_frame);
gst_buffer_unmap (out, out_data, -1);
g_free ((gpointer) data);
/* send out */
ret = gst_pad_push (amrwbdec->srcpad, out);
}
gst_object_unref (amrwbdec);
return ret;
/* send out */
return gst_audio_decoder_finish_frame (dec, out, 1);
/* 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;
}
}

View file

@ -21,7 +21,7 @@
#define __GST_AMRWBDEC_H__
#include <gst/gst.h>
#include <gst/base/gstadapter.h>
#include <gst/audio/gstaudiodecoder.h>
#include <dec_if.h>
#include <if_rom.h>
@ -47,27 +47,17 @@ typedef struct _GstAmrwbDecClass GstAmrwbDecClass;
* Opaque data structure.
*/
struct _GstAmrwbDec {
GstElement element;
/* pads */
GstPad *sinkpad, *srcpad;
guint64 ts;
GstAdapter *adapter;
GstAudioDecoder element;
/* library handle */
void *handle;
/* output settings */
gint channels, rate;
gint duration;
GstSegment segment;
gboolean discont;
};
struct _GstAmrwbDecClass {
GstElementClass parent_class;
GstAudioDecoderClass parent_class;
};
GType gst_amrwbdec_get_type (void);