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authorSebastian Dröge <sebastian.droege@collabora.co.uk>2012-01-25 13:22:43 +0100
committerSebastian Dröge <sebastian.droege@collabora.co.uk>2012-01-25 13:22:43 +0100
commita2a430024136fd947637ff56a4fea6a2689ca59d (patch)
tree8cab3177242814f02b1e49a51d81b5f2f1660621 /gst/adpcmdec
parent071c6e8f15f2afff7ca4ce5934c3bae1d76aea95 (diff)
parent8fb0beaf00aeae2ef6081d08f0d74d6e655a53da (diff)
downloadgstreamer-plugins-bad-a2a430024136fd947637ff56a4fea6a2689ca59d.tar.gz
Merge branch 'master' into 0.11
Conflicts: configure.ac ext/kate/gstkateenc.c gst/colorspace/colorspace.c gst/mpegvideoparse/mpegvideoparse.c
Diffstat (limited to 'gst/adpcmdec')
-rw-r--r--gst/adpcmdec/Makefile.am5
-rw-r--r--gst/adpcmdec/adpcmdec.c261
2 files changed, 91 insertions, 175 deletions
diff --git a/gst/adpcmdec/Makefile.am b/gst/adpcmdec/Makefile.am
index 2521fe6f1..84e125224 100644
--- a/gst/adpcmdec/Makefile.am
+++ b/gst/adpcmdec/Makefile.am
@@ -5,8 +5,9 @@ libgstadpcmdec_la_SOURCES = adpcmdec.c
# flags used to compile this plugin
# add other _CFLAGS and _LIBS as needed
-libgstadpcmdec_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS)
-libgstadpcmdec_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS)
+libgstadpcmdec_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
+libgstadpcmdec_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) -lgstaudio-@GST_MAJORMINOR@ \
+ $(GST_LIBS)
libgstadpcmdec_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
libgstadpcmdec_la_LIBTOOLFLAGS = --tag=disable-static
diff --git a/gst/adpcmdec/adpcmdec.c b/gst/adpcmdec/adpcmdec.c
index 0fcfeb03f..c6eb749d3 100644
--- a/gst/adpcmdec/adpcmdec.c
+++ b/gst/adpcmdec/adpcmdec.c
@@ -28,7 +28,7 @@
#endif
#include <gst/gst.h>
-#include <gst/base/gstadapter.h>
+#include <gst/audio/gstaudiodecoder.h>
#define GST_TYPE_ADPCM_DEC \
(adpcmdec_get_type ())
@@ -69,80 +69,29 @@ enum adpcm_layout
typedef struct _ADPCMDecClass
{
- GstElementClass parent_class;
+ GstAudioDecoderClass parent_class;
} ADPCMDecClass;
typedef struct _ADPCMDec
{
- GstElement parent;
-
- GstPad *sinkpad;
- GstPad *srcpad;
-
- GstCaps *output_caps;
+ GstAudioDecoder parent;
enum adpcm_layout layout;
int rate;
int channels;
int blocksize;
-
- gboolean is_setup;
-
- GstClockTime timestamp;
- GstClockTime base_timestamp;
-
- guint64 out_samples;
-
- GstAdapter *adapter;
-
} ADPCMDec;
GType adpcmdec_get_type (void);
-GST_BOILERPLATE (ADPCMDec, adpcmdec, GstElement, GST_TYPE_ELEMENT);
-static gboolean
-adpcmdec_setup (ADPCMDec * dec)
-{
- dec->output_caps = gst_caps_new_simple ("audio/x-raw-int",
- "rate", G_TYPE_INT, dec->rate,
- "channels", G_TYPE_INT, dec->channels,
- "width", G_TYPE_INT, 16,
- "depth", G_TYPE_INT, 16,
- "endianness", G_TYPE_INT, G_BYTE_ORDER,
- "signed", G_TYPE_BOOLEAN, TRUE, NULL);
-
- if (dec->output_caps) {
- gst_pad_set_caps (dec->srcpad, dec->output_caps);
- }
-
- dec->is_setup = TRUE;
- dec->timestamp = GST_CLOCK_TIME_NONE;
- dec->base_timestamp = GST_CLOCK_TIME_NONE;
- dec->adapter = gst_adapter_new ();
- dec->out_samples = 0;
-
- return TRUE;
-}
-
-static void
-adpcmdec_teardown (ADPCMDec * dec)
-{
- if (dec->output_caps) {
- gst_caps_unref (dec->output_caps);
- dec->output_caps = NULL;
- }
- if (dec->adapter) {
- g_object_unref (dec->adapter);
- dec->adapter = NULL;
- }
- dec->is_setup = FALSE;
-}
+GST_BOILERPLATE (ADPCMDec, adpcmdec, GstAudioDecoder, GST_TYPE_AUDIO_DECODER);
static gboolean
-adpcmdec_sink_setcaps (GstPad * pad, GstCaps * caps)
+adpcmdec_set_format (GstAudioDecoder * bdec, GstCaps * in_caps)
{
- ADPCMDec *dec = (ADPCMDec *) gst_pad_get_parent (pad);
- GstStructure *structure = gst_caps_get_structure (caps, 0);
+ ADPCMDec *dec = (ADPCMDec *) (bdec);
+ GstStructure *structure = gst_caps_get_structure (in_caps, 0);
const gchar *layout;
+ GstCaps *caps;
layout = gst_structure_get_string (structure, "layout");
if (!layout)
@@ -163,9 +112,16 @@ adpcmdec_sink_setcaps (GstPad * pad, GstCaps * caps)
if (!gst_structure_get_int (structure, "channels", &dec->channels))
return FALSE;
- if (dec->is_setup)
- adpcmdec_teardown (dec);
- gst_object_unref (dec);
+ caps = gst_caps_new_simple ("audio/x-raw-int",
+ "rate", G_TYPE_INT, dec->rate,
+ "channels", G_TYPE_INT, dec->channels,
+ "width", G_TYPE_INT, 16,
+ "depth", G_TYPE_INT, 16,
+ "endianness", G_TYPE_INT, G_BYTE_ORDER,
+ "signed", G_TYPE_BOOLEAN, TRUE, NULL);
+
+ gst_pad_set_caps (GST_AUDIO_DECODER_SRC_PAD (bdec), caps);
+ gst_caps_unref (caps);
return TRUE;
}
@@ -377,10 +333,10 @@ adpcmdec_decode_ima_block (ADPCMDec * dec, int n_samples, const guint8 * data,
return TRUE;
}
-static GstFlowReturn
+static GstBuffer *
adpcmdec_decode_block (ADPCMDec * dec, const guint8 * data, int blocksize)
{
- gboolean res;
+ gboolean res = FALSE;
GstBuffer *outbuf = NULL;
int outsize;
int samples;
@@ -390,7 +346,7 @@ adpcmdec_decode_block (ADPCMDec * dec, const guint8 * data, int blocksize)
give two initial sample values per channel. Then the remainder gives
two samples per byte */
if (blocksize < 7 * dec->channels)
- return GST_FLOW_ERROR;
+ goto exit;
samples = (blocksize - 7 * dec->channels) * 2 + 2 * dec->channels;
outsize = 2 * samples;
outbuf = gst_buffer_new_and_alloc (outsize);
@@ -401,7 +357,7 @@ adpcmdec_decode_block (ADPCMDec * dec, const guint8 * data, int blocksize)
/* Each block has a 4 byte header per channel, include an initial sample.
Then the remainder gives two samples per byte */
if (blocksize < 4 * dec->channels)
- return GST_FLOW_ERROR;
+ goto exit;
samples = (blocksize - 4 * dec->channels) * 2 + dec->channels;
outsize = 2 * samples;
outbuf = gst_buffer_new_and_alloc (outsize);
@@ -410,155 +366,114 @@ adpcmdec_decode_block (ADPCMDec * dec, const guint8 * data, int blocksize)
(gint16 *) (GST_BUFFER_DATA (outbuf)));
} else {
GST_WARNING_OBJECT (dec, "Unknown layout");
- return GST_FLOW_ERROR;
}
if (!res) {
- gst_buffer_unref (outbuf);
+ if (outbuf)
+ gst_buffer_unref (outbuf);
+ outbuf = NULL;
GST_WARNING_OBJECT (dec, "Decode of block failed");
- return GST_FLOW_ERROR;
}
- gst_buffer_set_caps (outbuf, dec->output_caps);
- GST_BUFFER_TIMESTAMP (outbuf) = dec->timestamp;
- dec->out_samples += samples / dec->channels;
- dec->timestamp = dec->base_timestamp +
- gst_util_uint64_scale_int (dec->out_samples, GST_SECOND, dec->rate);
- GST_BUFFER_DURATION (outbuf) = dec->timestamp - GST_BUFFER_TIMESTAMP (outbuf);
-
- return gst_pad_push (dec->srcpad, outbuf);
+exit:
+ return outbuf;
}
static GstFlowReturn
-adpcmdec_chain (GstPad * pad, GstBuffer * buf)
+adpcmdec_parse (GstAudioDecoder * bdec, GstAdapter * adapter,
+ gint * offset, gint * length)
{
- ADPCMDec *dec = (ADPCMDec *) gst_pad_get_parent (pad);
- GstFlowReturn ret = GST_FLOW_OK;
- guint8 *data;
- GstBuffer *databuf = NULL;
+ ADPCMDec *dec = (ADPCMDec *) (bdec);
+ guint size;
- if (!dec->is_setup)
- adpcmdec_setup (dec);
+ size = gst_adapter_available (adapter);
+ g_return_val_if_fail (size > 0, GST_FLOW_ERROR);
- if (dec->base_timestamp == GST_CLOCK_TIME_NONE) {
- dec->base_timestamp = GST_BUFFER_TIMESTAMP (buf);
- if (dec->base_timestamp == GST_CLOCK_TIME_NONE)
- dec->base_timestamp = 0;
- dec->timestamp = dec->base_timestamp;
+ if (dec->blocksize < 0) {
+ /* No explicit blocksize; we just process one input buffer at a time */
+ *offset = 0;
+ *length = size;
+ } else {
+ if (size >= dec->blocksize) {
+ *offset = 0;
+ *length = dec->blocksize;
+ } else {
+ return GST_FLOW_UNEXPECTED;
+ }
}
- if (dec->blocksize > 0) {
- gst_adapter_push (dec->adapter, buf);
+ return GST_FLOW_OK;
+}
- while (gst_adapter_available (dec->adapter) >= dec->blocksize) {
- databuf = gst_adapter_take_buffer (dec->adapter, dec->blocksize);
- data = GST_BUFFER_DATA (databuf);
+static GstFlowReturn
+adpcmdec_handle_frame (GstAudioDecoder * bdec, GstBuffer * buffer)
+{
+ ADPCMDec *dec = (ADPCMDec *) (bdec);
+ GstFlowReturn ret = GST_FLOW_OK;
+ guint8 *data;
+ GstBuffer *outbuf = NULL;
- ret = adpcmdec_decode_block (dec, data, dec->blocksize);
+ /* no fancy draining */
+ if (G_UNLIKELY (!buffer))
+ return GST_FLOW_OK;
- /* Done with input data, free it */
- gst_buffer_unref (databuf);
+ if (!dec->blocksize)
+ return GST_FLOW_NOT_NEGOTIATED;
- if (ret != GST_FLOW_OK)
- goto done;
- }
- } else {
- /* No explicit blocksize; we just process one input buffer at a time */
- ret = adpcmdec_decode_block (dec, GST_BUFFER_DATA (buf),
- GST_BUFFER_SIZE (buf));
- gst_buffer_unref (buf);
+ data = GST_BUFFER_DATA (buffer);
+ outbuf = adpcmdec_decode_block (dec, data, dec->blocksize);
+
+ if (outbuf == NULL) {
+ GST_AUDIO_DECODER_ERROR (bdec, 1, STREAM, DECODE, (NULL),
+ ("frame decode failed"), ret);
}
-done:
- gst_object_unref (dec);
+ if (ret == GST_FLOW_OK)
+ ret = gst_audio_decoder_finish_frame (bdec, outbuf, 1);
return ret;
}
static gboolean
-adpcmdec_sink_event (GstPad * pad, GstEvent * event)
+adpcmdec_start (GstAudioDecoder * bdec)
{
- ADPCMDec *dec = (ADPCMDec *) gst_pad_get_parent (pad);
- gboolean res;
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_STOP:
- dec->out_samples = 0;
- dec->timestamp = GST_CLOCK_TIME_NONE;
- dec->base_timestamp = GST_CLOCK_TIME_NONE;
- gst_adapter_clear (dec->adapter);
- /* Fall through */
- default:
- res = gst_pad_push_event (dec->srcpad, event);
- break;
- }
- gst_object_unref (dec);
- return res;
-}
+ ADPCMDec *dec = (ADPCMDec *) bdec;
-static GstStateChangeReturn
-adpcmdec_change_state (GstElement * element, GstStateChange transition)
-{
- GstStateChangeReturn ret;
- ADPCMDec *dec = (ADPCMDec *) element;
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- break;
- default:
- break;
- }
+ GST_DEBUG_OBJECT (dec, "start");
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- adpcmdec_teardown (dec);
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- default:
- break;
- }
- return ret;
+ dec->blocksize = 0;
+ dec->rate = 0;
+ dec->channels = 0;
+
+ return TRUE;
}
-static void
-adpcmdec_dispose (GObject * obj)
+static gboolean
+adpcmdec_stop (GstAudioDecoder * dec)
{
- G_OBJECT_CLASS (parent_class)->dispose (obj);
+ GST_DEBUG_OBJECT (dec, "stop");
+
+ return TRUE;
}
static void
adpcmdec_init (ADPCMDec * dec, ADPCMDecClass * klass)
{
- dec->sinkpad =
- gst_pad_new_from_static_template (&adpcmdec_sink_template, "sink");
- gst_pad_set_setcaps_function (dec->sinkpad,
- GST_DEBUG_FUNCPTR (adpcmdec_sink_setcaps));
- gst_pad_set_chain_function (dec->sinkpad, GST_DEBUG_FUNCPTR (adpcmdec_chain));
- gst_pad_set_event_function (dec->sinkpad,
- GST_DEBUG_FUNCPTR (adpcmdec_sink_event));
- gst_element_add_pad (GST_ELEMENT (dec), dec->sinkpad);
- dec->srcpad =
- gst_pad_new_from_static_template (&adpcmdec_src_template, "src");
- gst_element_add_pad (GST_ELEMENT (dec), dec->srcpad);
}
static void
adpcmdec_class_init (ADPCMDecClass * klass)
{
- GObjectClass *gobjectclass = (GObjectClass *) klass;
- GstElementClass *gstelement_class = (GstElementClass *) klass;
- gobjectclass->dispose = adpcmdec_dispose;
- gstelement_class->change_state = adpcmdec_change_state;
-} static void
+ GstAudioDecoderClass *base_class = (GstAudioDecoderClass *) klass;
+
+ base_class->start = GST_DEBUG_FUNCPTR (adpcmdec_start);
+ base_class->stop = GST_DEBUG_FUNCPTR (adpcmdec_stop);
+ base_class->set_format = GST_DEBUG_FUNCPTR (adpcmdec_set_format);
+ base_class->parse = GST_DEBUG_FUNCPTR (adpcmdec_parse);
+ base_class->handle_frame = GST_DEBUG_FUNCPTR (adpcmdec_handle_frame);
+}
+static void
adpcmdec_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);