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gst/audioconvert/: And bye bye buffer-frames-convert

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Original commit message from CVS:
* gst/audioconvert/Makefile.am:
* gst/audioconvert/bufferframesconvert.c:
* gst/audioconvert/plugin.c: (plugin_init):
* gst/audioconvert/plugin.h:
And bye bye buffer-frames-convert
This commit is contained in:
Tim-Philipp Müller 2005-10-19 17:50:17 +00:00
parent fc8ce00673
commit 19efac956e
5 changed files with 12 additions and 382 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2005-10-19 Tim-Philipp Müller <tim at centricular dot net>
* gst/audioconvert/Makefile.am:
* gst/audioconvert/bufferframesconvert.c:
* gst/audioconvert/plugin.c: (plugin_init):
* gst/audioconvert/plugin.h:
And bye bye buffer-frames-convert
2005-10-19 Wim Taymans <wim@fluendo.com>
* check/elements/audioconvert.c:

1
gst/audioconvert/Makefile.am
View file

@ -4,7 +4,6 @@ libgstaudioconvert_la_SOURCES = \
gstaudioconvert.c \
audioconvert.c \
gstchannelmix.c \
bufferframesconvert.c \
plugin.c
libgstaudioconvert_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS)

374
gst/audioconvert/bufferframesconvert.c
View file

@ -1,374 +0,0 @@
/* GStreamer buffer-frames conversion plugin
* Copyright (C) 2004 Andy Wingo <wingo at pobox dot com>
*
* 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 <string.h>
#include <gst/gst.h>
#include "plugin.h"
#define GSTPLUGIN_TYPE_BUFFER_FRAMES_CONVERT \
(gstplugin_buffer_frames_convert_get_type())
#define BUFFER_FRAMES_CONVERT(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GSTPLUGIN_TYPE_BUFFER_FRAMES_CONVERT, BufferFramesConvert))
typedef struct _BufferFramesConvert BufferFramesConvert;
typedef struct _BufferFramesConvertClass BufferFramesConvertClass;
struct _BufferFramesConvert
{
GstElement element;
GstPad *sinkpad;
GstPad *srcpad;
gint in_buffer_samples;
gint out_buffer_samples;
gboolean passthrough;
GstBuffer *buf_out;
gint64 offset;
gint samples_out_remaining;
};
struct _BufferFramesConvertClass
{
GstElementClass parent_class;
};
static GstElementDetails details = {
"buffer-frames conversion",
"Filter/Converter/Audio",
"Convert between different values of the buffer-frames stream property",
"Andy Wingo <wingo at pobox.com>"
};
static GstStaticPadTemplate sink_static_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float,"
"rate = (int) [ 1, MAX ],"
"channels = (int) [ 1, MAX ],"
"endianness = (int) BYTE_ORDER,"
"width = (int) 32," "buffer-frames = (int) [ 0, MAX ]")
);
static GstStaticPadTemplate src_static_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float,"
"rate = (int) [ 1, MAX ],"
"channels = (int) [ 1, MAX ],"
"endianness = (int) BYTE_ORDER,"
"width = (int) 32," "buffer-frames = (int) [ 0, MAX ]")
);
static void buffer_frames_convert_class_init (BufferFramesConvertClass * klass);
static void buffer_frames_convert_base_init (BufferFramesConvertClass * klass);
static void buffer_frames_convert_init (BufferFramesConvert * this);
static GstStateChangeReturn buffer_frames_convert_change_state (GstElement *
element, GstStateChange transition);
static GstCaps *buffer_frames_convert_getcaps (GstPad * pad);
static gboolean buffer_frames_convert_setcaps (GstPad * pad, GstCaps * caps);
static void buffer_frames_convert_fixate (GstPad * pad, GstCaps * caps);
static GstFlowReturn buffer_frames_convert_chain (GstPad * sinkpad,
GstBuffer * buffer);
static GstElementClass *parent_class = NULL;
GType
gstplugin_buffer_frames_convert_get_type (void)
{
static GType buffer_frames_convert_type = 0;
if (!buffer_frames_convert_type) {
static const GTypeInfo buffer_frames_convert_info = {
sizeof (BufferFramesConvertClass),
(GBaseInitFunc) buffer_frames_convert_base_init,
NULL,
(GClassInitFunc) buffer_frames_convert_class_init,
NULL,
NULL,
sizeof (BufferFramesConvert),
0,
(GInstanceInitFunc) buffer_frames_convert_init,
};
buffer_frames_convert_type =
g_type_register_static (GST_TYPE_ELEMENT, "GstBufferFramesConvert",
&buffer_frames_convert_info, 0);
}
return buffer_frames_convert_type;
}
static void
buffer_frames_convert_base_init (BufferFramesConvertClass * klass)
{
GstElementClass *eclass = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details (eclass, &details);
gst_element_class_add_pad_template
(eclass, gst_static_pad_template_get (&src_static_template));
gst_element_class_add_pad_template
(eclass, gst_static_pad_template_get (&sink_static_template));
}
static void
buffer_frames_convert_class_init (BufferFramesConvertClass * klass)
{
GstElementClass *eclass = (GstElementClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
eclass->change_state = buffer_frames_convert_change_state;
}
static void
buffer_frames_convert_init (BufferFramesConvert * this)
{
this->sinkpad = gst_pad_new_from_template
(gst_static_pad_template_get (&sink_static_template), "sink");
gst_element_add_pad (GST_ELEMENT (this), this->sinkpad);
gst_pad_set_setcaps_function (this->sinkpad, buffer_frames_convert_setcaps);
gst_pad_set_getcaps_function (this->sinkpad, buffer_frames_convert_getcaps);
gst_pad_set_chain_function (this->sinkpad, buffer_frames_convert_chain);
gst_pad_set_fixatecaps_function (this->sinkpad, buffer_frames_convert_fixate);
this->srcpad = gst_pad_new_from_template
(gst_static_pad_template_get (&src_static_template), "src");
gst_element_add_pad (GST_ELEMENT (this), this->srcpad);
gst_pad_set_setcaps_function (this->srcpad, buffer_frames_convert_setcaps);
gst_pad_set_getcaps_function (this->srcpad, buffer_frames_convert_getcaps);
gst_pad_set_fixatecaps_function (this->sinkpad, buffer_frames_convert_fixate);
this->in_buffer_samples = -1;
this->out_buffer_samples = -1;
this->buf_out = NULL;
this->samples_out_remaining = 0;
}
static GstStateChangeReturn
buffer_frames_convert_change_state (GstElement * element,
GstStateChange transition)
{
BufferFramesConvert *this = (BufferFramesConvert *) element;
switch (transition) {
case GST_STATE_CHANGE_READY_TO_PAUSED:
this->offset = 0;
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
if (this->buf_out)
gst_buffer_unref (this->buf_out);
this->buf_out = NULL;
this->samples_out_remaining = 0;
break;
default:
break;
}
if (parent_class->change_state)
return parent_class->change_state (element, transition);
return GST_STATE_CHANGE_SUCCESS;
}
static GstCaps *
buffer_frames_convert_getcaps (GstPad * pad)
{
BufferFramesConvert *this;
GstPad *otherpad;
GstCaps *ret;
int i;
this = BUFFER_FRAMES_CONVERT (GST_OBJECT_PARENT (pad));
otherpad = pad == this->srcpad ? this->sinkpad : this->srcpad;
ret = gst_pad_get_allowed_caps (otherpad);
for (i = 0; i < gst_caps_get_size (ret); i++)
gst_structure_set (gst_caps_get_structure (ret, i),
"buffer-frames", GST_TYPE_INT_RANGE, 0, G_MAXINT, NULL);
GST_DEBUG ("allowed caps %" GST_PTR_FORMAT, ret);
return ret;
}
static void
buffer_frames_convert_fixate (GstPad * pad, GstCaps * caps)
{
GstStructure *structure;
structure = gst_caps_get_structure (caps, 0);
gst_caps_structure_fixate_field_nearest_int (structure, "buffer-frames", 256);
}
static gboolean
buffer_frames_convert_setcaps (GstPad * pad, GstCaps * caps)
{
#if 0
BufferFramesConvert *this;
GstCaps *othercaps;
GstPad *otherpad;
GstPadLinkReturn ret;
GstStructure *sinkstructure, *srcstructure;
gint numchannels;
this = BUFFER_FRAMES_CONVERT (GST_OBJECT_PARENT (pad));
otherpad = pad == this->srcpad ? this->sinkpad : this->srcpad;
/* first try to act as a passthrough */
ret = gst_pad_set_caps (otherpad, caps);
if (GST_PAD_LINK_SUCCESSFUL (ret)) {
this->passthrough = TRUE;
return ret;
}
/* then try to set unfixed buffer-frames */
othercaps = gst_caps_copy (caps);
gst_caps_set_simple (othercaps, "buffer-frames", GST_TYPE_INT_RANGE, 0,
G_MAXINT, NULL);
ret = gst_pad_try_set_caps_nonfixed (otherpad, othercaps);
if (GST_PAD_LINK_FAILED (ret))
return ret;
/* it's ok, let's record our data */
sinkstructure =
gst_caps_get_structure (pad == this->sinkpad ? caps : othercaps, 0);
srcstructure =
gst_caps_get_structure (pad == this->srcpad ? caps : othercaps, 0);
gst_structure_get_int (sinkstructure, "buffer-frames",
&this->in_buffer_samples);
gst_structure_get_int (srcstructure, "buffer-frames",
&this->out_buffer_samples);
gst_structure_get_int (sinkstructure, "channels", &numchannels);
this->in_buffer_samples *= numchannels;
this->out_buffer_samples *= numchannels;
if (this->out_buffer_samples == 0)
this->passthrough = TRUE;
#endif
return TRUE;
}
static GstFlowReturn
buffer_frames_convert_chain (GstPad * pad, GstBuffer * buf)
{
BufferFramesConvert *this;
GstBuffer *buf_in, *buf_out;
gfloat *data_in;
gfloat *data_out;
gint i, samples_in, samples_in_remaining, samples_out_remaining,
out_buffer_samples;
GstFlowReturn ret;
this = (BufferFramesConvert *) GST_OBJECT_PARENT (pad);
if (this->passthrough) {
return gst_pad_push (this->srcpad, buf);
}
buf_in = buf;
data_in = (gfloat *) GST_BUFFER_DATA (buf_in);
samples_in = samples_in_remaining =
GST_BUFFER_SIZE (buf_in) / sizeof (gfloat);
out_buffer_samples = this->out_buffer_samples;
/* deal with any leftover buffer */
if (this->buf_out) {
samples_out_remaining = this->samples_out_remaining;
buf_out = this->buf_out;
data_out = (gfloat *) GST_BUFFER_DATA (buf_out);
data_out += out_buffer_samples - samples_out_remaining;
i = MIN (samples_out_remaining, samples_in_remaining);
samples_in_remaining -= i;
samples_out_remaining -= i;
while (i--)
*(data_out++) = *(data_in++);
if (!samples_out_remaining) {
this->buf_out = NULL;
this->samples_out_remaining = 0;
gst_pad_push (this->srcpad, buf_out);
} else {
/* we used up the incoming samples, but didn't fill our buffer */
this->samples_out_remaining = samples_out_remaining;
gst_buffer_unref (buf_in);
return GST_FLOW_OK;
}
}
/* use a fast subbuffer while we can */
while (samples_in_remaining > out_buffer_samples) {
buf_out = gst_buffer_create_sub (buf_in,
(samples_in - samples_in_remaining) * sizeof (gfloat),
out_buffer_samples * sizeof (gfloat));
data_in += out_buffer_samples;
samples_in_remaining -= out_buffer_samples;
gst_pad_push (this->srcpad, buf_out);
}
/* if there's an event coming next, just push what we have */
if (this->in_buffer_samples && samples_in != this->in_buffer_samples
&& samples_in_remaining) {
buf_out =
gst_buffer_create_sub (buf_in,
(samples_in - samples_in_remaining) * sizeof (gfloat),
samples_in_remaining * sizeof (gfloat));
gst_pad_push (this->srcpad, buf_out);
} else {
/* otherwise make a leftover buffer if it's necessary */
if (samples_in_remaining) {
ret =
gst_pad_alloc_buffer (this->srcpad, 0,
out_buffer_samples * sizeof (gfloat), GST_PAD_CAPS (this->srcpad),
&buf_out);
if (ret != GST_FLOW_OK)
goto done;
data_out = (gfloat *) GST_BUFFER_DATA (buf_out);
this->buf_out = buf_out;
this->samples_out_remaining = out_buffer_samples - samples_in_remaining;
while (samples_in_remaining--)
*(data_out++) = *(data_in++);
}
}
ret = GST_FLOW_OK;
done:
gst_buffer_unref (buf_in);
return ret;
}

4
gst/audioconvert/plugin.c
View file

@ -29,9 +29,7 @@ static gboolean
plugin_init (GstPlugin * plugin)
{
if (!gst_element_register (plugin, "audioconvert",
GST_RANK_PRIMARY, gst_audio_convert_get_type ()) ||
!gst_element_register (plugin, "buffer-frames-convert",
GST_RANK_NONE, gstplugin_buffer_frames_convert_get_type ()))
GST_RANK_PRIMARY, gst_audio_convert_get_type ()))
return FALSE;
return TRUE;

7
gst/audioconvert/plugin.h
View file

@ -20,8 +20,8 @@
*/
#ifndef __GST_PLUGIN_BUFFERFRAMESCONVERT_H__
#define __GST_PLUGIN_BUFFERFRAMESCONVERT_H__
#ifndef __GST_PLUGIN_AUDIOCONVERT_H__
#define __GST_PLUGIN_AUDIOCONVERT_H__
#include <gst/gst.h>
@ -29,8 +29,7 @@
G_BEGIN_DECLS
GType gst_audio_convert_get_type (void);
GType gstplugin_buffer_frames_convert_get_type (void);
G_END_DECLS
#endif /* __GST_PLUGIN_BUFFERFRAMESCONVERT_H__ */
#endif /* __GST_PLUGIN_AUDIOCONVERT_H__ */