legacyresample: remove legacy plugin

Android.mk

@@ -42,7 +42,6 @@ GST_PLUGINS_BAD_BUILT_SOURCES := \
 	gst/mxf/Android.mk \
 	gst/cdxaparse/Android.mk \
 	gst/mpegpsmux/Android.mk \
-	gst/legacyresample/Android.mk \
 	gst/gaudieffects/Android.mk \
 	gst/liveadder/Android.mk \
 	gst/nsf/Android.mk \
@@ -137,7 +136,6 @@ CONFIGURE_TARGETS += gst-plugins-bad-configure
 -include $(GST_PLUGINS_BAD_TOP)/gst/mxf/Android.mk
 -include $(GST_PLUGINS_BAD_TOP)/gst/cdxaparse/Android.mk
 -include $(GST_PLUGINS_BAD_TOP)/gst/mpegpsmux/Android.mk
--include $(GST_PLUGINS_BAD_TOP)/gst/legacyresample/Android.mk
 -include $(GST_PLUGINS_BAD_TOP)/gst/gaudieffects/Android.mk
 -include $(GST_PLUGINS_BAD_TOP)/gst/liveadder/Android.mk
 -include $(GST_PLUGINS_BAD_TOP)/gst/nsf/Android.mk

configure.ac

@@ -315,7 +315,7 @@ GST_PLUGINS_NONPORTED=" aiff \
  dccp faceoverlay festival \
  fieldanalysis freeverb freeze frei0r \
  hdvparse id3tag inter interlace ivfparse jpegformat jp2kdecimator \
- kate liveadder legacyresample librfb mpegtsmux \
+ kate liveadder librfb mpegtsmux \
  mpegpsmux mve mxf mythtv nsf nuvdemux \
  patchdetect pnm real \
  sdi siren speed subenc stereo tta videofilters \
@@ -361,7 +361,6 @@ AG_GST_CHECK_PLUGIN(interlace)
 AG_GST_CHECK_PLUGIN(ivfparse)
 AG_GST_CHECK_PLUGIN(jp2kdecimator)
 AG_GST_CHECK_PLUGIN(jpegformat)
-AG_GST_CHECK_PLUGIN(legacyresample)
 AG_GST_CHECK_PLUGIN(librfb)
 AG_GST_CHECK_PLUGIN(liveadder)
 AG_GST_CHECK_PLUGIN(mpegdemux)
@@ -1974,7 +1973,6 @@ gst/interlace/Makefile
 gst/ivfparse/Makefile
 gst/jp2kdecimator/Makefile
 gst/jpegformat/Makefile
-gst/legacyresample/Makefile
 gst/librfb/Makefile
 gst/liveadder/Makefile
 gst/mpegdemux/Makefile

docs/plugins/Makefile.am

@@ -159,7 +159,6 @@ EXTRA_HFILES = \
 	$(top_srcdir)/gst/geometrictransform/gstwaterripple.h \
 	$(top_srcdir)/gst/ivfparse/gstivfparse.h \
 	$(top_srcdir)/gst/jpegformat/gstjpegparse.h \
-	$(top_srcdir)/gst/legacyresample/gstlegacyresample.h \
 	$(top_srcdir)/gst/liveadder/liveadder.h \
 	$(top_srcdir)/gst/mxf/mxfdemux.h \
 	$(top_srcdir)/gst/mxf/mxfmux.h \

docs/plugins/gst-plugins-bad-plugins-docs.sgml

@@ -71,7 +71,6 @@
     <xi:include href="xml/element-kateparse.xml" />
     <xi:include href="xml/element-katetag.xml" />
     <xi:include href="xml/element-ladspa.xml" />
-    <xi:include href="xml/element-legacyresample.xml" />
     <xi:include href="xml/element-liveadder.xml" />
     <xi:include href="xml/element-marble.xml" />
     <xi:include href="xml/element-mimenc.xml" />

docs/plugins/gst-plugins-bad-plugins-sections.txt

@@ -749,20 +749,6 @@ GST_TYPE_JPEG_PARSE
 gst_jpeg_parse_get_type
 </SECTION>
 
-<SECTION>
-<FILE>element-legacyresample</FILE>
-<TITLE>legacyresample</TITLE>
-GstLegacyresample
-<SUBSECTION Standard>
-GstLegacyresampleClass
-GST_LEGACYRESAMPLE
-GST_LEGACYRESAMPLE_CLASS
-GST_IS_LEGACYRESAMPLE
-GST_IS_LEGACYRESAMPLE_CLASS
-GST_TYPE_LEGACYRESAMPLE
-gst_legacyresample_get_type
-</SECTION>
-
 <SECTION>
 <FILE>element-liveadder</FILE>
 <TITLE>liveadder</TITLE>

docs/plugins/inspect/plugin-legacyresample.xml

@@ -1,34 +0,0 @@
-<plugin>
-  <name>legacyresample</name>
-  <description>Resamples audio</description>
-  <filename>../../gst/legacyresample/.libs/libgstlegacyresample.so</filename>
-  <basename>libgstlegacyresample.so</basename>
-  <version>0.10.23.1</version>
-  <license>LGPL</license>
-  <source>gst-plugins-bad</source>
-  <package>GStreamer Bad Plug-ins git</package>
-  <origin>Unknown package origin</origin>
-  <elements>
-    <element>
-      <name>legacyresample</name>
-      <longname>Audio scaler</longname>
-      <class>Filter/Converter/Audio</class>
-      <description>Resample audio</description>
-      <author>David Schleef &lt;ds@schleef.org&gt;</author>
-      <pads>
-        <caps>
-          <name>sink</name>
-          <direction>sink</direction>
-          <presence>always</presence>
-          <details>audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true; audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)64</details>
-        </caps>
-        <caps>
-          <name>src</name>
-          <direction>source</direction>
-          <presence>always</presence>
-          <details>audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)16, depth=(int)16, signed=(boolean)true; audio/x-raw-int, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32, depth=(int)32, signed=(boolean)true; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)32; audio/x-raw-float, rate=(int)[ 1, 2147483647 ], channels=(int)[ 1, 2147483647 ], endianness=(int)1234, width=(int)64</details>
-        </caps>
-      </pads>
-    </element>
-  </elements>
-</plugin>

gst-plugins-bad.spec.in

@@ -228,7 +228,6 @@ make ERROR_CFLAGS='' ERROR_CXXFLAGS=''
 # %{_libdir}/gstreamer-%{majorminor}/libgstid3tag.so
 # %{_libdir}/gstreamer-%{majorminor}/libgstivfparse.so
 # %{_libdir}/gstreamer-%{majorminor}/libgstjpegformat.so
-# %{_libdir}/gstreamer-%{majorminor}/libgstlegacyresample.so
 # %{_libdir}/gstreamer-%{majorminor}/libgstliveadder.so
 %{_libdir}/gstreamer-%{majorminor}/libgstmpegdemux.so
 # %{_libdir}/gstreamer-%{majorminor}/libgstmve.so

gst/legacyresample/Makefile.am

@@ -1,35 +0,0 @@
-plugin_LTLIBRARIES = libgstlegacyresample.la
-
-resample_SOURCES = \
-	functable.c \
-	resample.c \
-	resample_functable.c \
-	resample_ref.c \
-	resample.h \
-	buffer.c
-
-noinst_HEADERS = \
-	gstlegacyresample.h \
-	functable.h \
-	debug.h \
-	buffer.h
-
-libgstlegacyresample_la_SOURCES = gstlegacyresample.c $(resample_SOURCES)
-libgstlegacyresample_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CFLAGS)
-libgstlegacyresample_la_LIBADD = $(GST_BASE_LIBS) $(GST_LIBS) $(LIBM)
-libgstlegacyresample_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-libgstlegacyresample_la_LIBTOOLFLAGS = --tag=disable-static
-
-Android.mk: Makefile.am $(BUILT_SOURCES)
-	androgenizer \
-	-:PROJECT libgstlegacyresample -:SHARED libgstlegacyresample \
-	 -:TAGS eng debug \
-         -:REL_TOP $(top_srcdir) -:ABS_TOP $(abs_top_srcdir) \
-	 -:SOURCES $(libgstlegacyresample_la_SOURCES) \
-	 -:CFLAGS $(DEFS) $(DEFAULT_INCLUDES) $(libgstlegacyresample_la_CFLAGS) \
-	 -:LDFLAGS $(libgstlegacyresample_la_LDFLAGS) \
-	           $(libgstlegacyresample_la_LIBADD) \
-	           -ldl \
-	 -:PASSTHROUGH LOCAL_ARM_MODE:=arm \
-		       LOCAL_MODULE_PATH:='$$(TARGET_OUT)/lib/gstreamer-0.10' \
-	> $@

gst/legacyresample/buffer.c

@@ -1,253 +0,0 @@
-
-#ifndef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <glib.h>
-#include <string.h>
-
-#include "buffer.h"
-#include "debug.h"
-
-static void audioresample_buffer_free_mem (AudioresampleBuffer * buffer,
-    void *);
-static void audioresample_buffer_free_subbuffer (AudioresampleBuffer * buffer,
-    void *priv);
-
-
-AudioresampleBuffer *
-audioresample_buffer_new (void)
-{
-  AudioresampleBuffer *buffer;
-
-  buffer = g_new0 (AudioresampleBuffer, 1);
-  buffer->ref_count = 1;
-  return buffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_new_and_alloc (int size)
-{
-  AudioresampleBuffer *buffer = audioresample_buffer_new ();
-
-  buffer->data = g_malloc (size);
-  buffer->length = size;
-  buffer->free = audioresample_buffer_free_mem;
-
-  return buffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_new_with_data (void *data, int size)
-{
-  AudioresampleBuffer *buffer = audioresample_buffer_new ();
-
-  buffer->data = data;
-  buffer->length = size;
-  buffer->free = audioresample_buffer_free_mem;
-
-  return buffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_new_subbuffer (AudioresampleBuffer * buffer, int offset,
-    int length)
-{
-  AudioresampleBuffer *subbuffer = audioresample_buffer_new ();
-
-  if (buffer->parent) {
-    audioresample_buffer_ref (buffer->parent);
-    subbuffer->parent = buffer->parent;
-  } else {
-    audioresample_buffer_ref (buffer);
-    subbuffer->parent = buffer;
-  }
-  subbuffer->data = buffer->data + offset;
-  subbuffer->length = length;
-  subbuffer->free = audioresample_buffer_free_subbuffer;
-
-  return subbuffer;
-}
-
-void
-audioresample_buffer_ref (AudioresampleBuffer * buffer)
-{
-  buffer->ref_count++;
-}
-
-void
-audioresample_buffer_unref (AudioresampleBuffer * buffer)
-{
-  buffer->ref_count--;
-  if (buffer->ref_count == 0) {
-    if (buffer->free)
-      buffer->free (buffer, buffer->priv);
-    g_free (buffer);
-  }
-}
-
-static void
-audioresample_buffer_free_mem (AudioresampleBuffer * buffer, void *priv)
-{
-  g_free (buffer->data);
-}
-
-static void
-audioresample_buffer_free_subbuffer (AudioresampleBuffer * buffer, void *priv)
-{
-  audioresample_buffer_unref (buffer->parent);
-}
-
-
-AudioresampleBufferQueue *
-audioresample_buffer_queue_new (void)
-{
-  return g_new0 (AudioresampleBufferQueue, 1);
-}
-
-int
-audioresample_buffer_queue_get_depth (AudioresampleBufferQueue * queue)
-{
-  return queue->depth;
-}
-
-int
-audioresample_buffer_queue_get_offset (AudioresampleBufferQueue * queue)
-{
-  return queue->offset;
-}
-
-void
-audioresample_buffer_queue_free (AudioresampleBufferQueue * queue)
-{
-  GList *g;
-
-  for (g = g_list_first (queue->buffers); g; g = g_list_next (g)) {
-    audioresample_buffer_unref ((AudioresampleBuffer *) g->data);
-  }
-  g_list_free (queue->buffers);
-  g_free (queue);
-}
-
-void
-audioresample_buffer_queue_push (AudioresampleBufferQueue * queue,
-    AudioresampleBuffer * buffer)
-{
-  queue->buffers = g_list_append (queue->buffers, buffer);
-  queue->depth += buffer->length;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_queue_pull (AudioresampleBufferQueue * queue, int length)
-{
-  GList *g;
-  AudioresampleBuffer *newbuffer;
-  AudioresampleBuffer *buffer;
-  AudioresampleBuffer *subbuffer;
-
-  g_return_val_if_fail (length > 0, NULL);
-
-  if (queue->depth < length) {
-    return NULL;
-  }
-
-  RESAMPLE_LOG ("pulling %d, %d available", length, queue->depth);
-
-  g = g_list_first (queue->buffers);
-  buffer = g->data;
-
-  if (buffer->length > length) {
-    newbuffer = audioresample_buffer_new_subbuffer (buffer, 0, length);
-
-    subbuffer = audioresample_buffer_new_subbuffer (buffer, length,
-        buffer->length - length);
-    g->data = subbuffer;
-    audioresample_buffer_unref (buffer);
-  } else {
-    int offset = 0;
-
-    newbuffer = audioresample_buffer_new_and_alloc (length);
-
-    while (offset < length) {
-      g = g_list_first (queue->buffers);
-      buffer = g->data;
-
-      if (buffer->length > length - offset) {
-        int n = length - offset;
-
-        memcpy (newbuffer->data + offset, buffer->data, n);
-        subbuffer =
-            audioresample_buffer_new_subbuffer (buffer, n, buffer->length - n);
-        g->data = subbuffer;
-        audioresample_buffer_unref (buffer);
-        offset += n;
-      } else {
-        memcpy (newbuffer->data + offset, buffer->data, buffer->length);
-
-        queue->buffers = g_list_delete_link (queue->buffers, g);
-        offset += buffer->length;
-        audioresample_buffer_unref (buffer);
-      }
-    }
-  }
-
-  queue->depth -= length;
-  queue->offset += length;
-
-  return newbuffer;
-}
-
-AudioresampleBuffer *
-audioresample_buffer_queue_peek (AudioresampleBufferQueue * queue, int length)
-{
-  GList *g;
-  AudioresampleBuffer *newbuffer;
-  AudioresampleBuffer *buffer;
-  int offset = 0;
-
-  g_return_val_if_fail (length > 0, NULL);
-
-  if (queue->depth < length) {
-    return NULL;
-  }
-
-  RESAMPLE_LOG ("peeking %d, %d available", length, queue->depth);
-
-  g = g_list_first (queue->buffers);
-  buffer = g->data;
-  if (buffer->length > length) {
-    newbuffer = audioresample_buffer_new_subbuffer (buffer, 0, length);
-  } else {
-    newbuffer = audioresample_buffer_new_and_alloc (length);
-    while (offset < length) {
-      buffer = g->data;
-
-      if (buffer->length > length - offset) {
-        int n = length - offset;
-
-        memcpy (newbuffer->data + offset, buffer->data, n);
-        offset += n;
-      } else {
-        memcpy (newbuffer->data + offset, buffer->data, buffer->length);
-        offset += buffer->length;
-      }
-      g = g_list_next (g);
-    }
-  }
-
-  return newbuffer;
-}
-
-void
-audioresample_buffer_queue_flush (AudioresampleBufferQueue * queue)
-{
-  GList *g;
-
-  for (g = g_list_first (queue->buffers); g; g = g_list_next (g)) {
-    audioresample_buffer_unref ((AudioresampleBuffer *) g->data);
-  }
-  g_list_free (queue->buffers);
-  queue->buffers = NULL;
-  queue->depth = 0;
-  queue->offset = 0;
-}

gst/legacyresample/buffer.h

@@ -1,51 +0,0 @@
-
-#ifndef __AUDIORESAMPLE_BUFFER_H__
-#define __AUDIORESAMPLE_BUFFER_H__
-
-#include <glib.h>
-
-typedef struct _AudioresampleBuffer AudioresampleBuffer;
-typedef struct _AudioresampleBufferQueue AudioresampleBufferQueue;
-
-struct _AudioresampleBuffer
-{
-  unsigned char *data;
-  int length;
-
-  int ref_count;
-
-  AudioresampleBuffer *parent;
-
-  void (*free) (AudioresampleBuffer *, void *);
-  void *priv;
-  void *priv2;
-};
-
-struct _AudioresampleBufferQueue
-{
-  GList *buffers;
-  int depth;
-  int offset;
-};
-
-AudioresampleBuffer *   audioresample_buffer_new                (void);
-AudioresampleBuffer *   audioresample_buffer_new_and_alloc      (int size);
-AudioresampleBuffer *   audioresample_buffer_new_with_data      (void *data, int size);
-AudioresampleBuffer *   audioresample_buffer_new_subbuffer      (AudioresampleBuffer * buffer, 
-                                                                 int offset,
-                                                                 int length);
-void                    audioresample_buffer_ref                (AudioresampleBuffer * buffer);
-void                    audioresample_buffer_unref              (AudioresampleBuffer * buffer);
-
-AudioresampleBufferQueue *      
-                        audioresample_buffer_queue_new          (void);
-void                    audioresample_buffer_queue_free         (AudioresampleBufferQueue * queue);
-int                     audioresample_buffer_queue_get_depth    (AudioresampleBufferQueue * queue);
-int                     audioresample_buffer_queue_get_offset   (AudioresampleBufferQueue * queue);
-void                    audioresample_buffer_queue_push         (AudioresampleBufferQueue * queue,
-                                                                 AudioresampleBuffer * buffer);
-AudioresampleBuffer *   audioresample_buffer_queue_pull         (AudioresampleBufferQueue * queue, int len);
-AudioresampleBuffer *   audioresample_buffer_queue_peek         (AudioresampleBufferQueue * queue, int len);
-void                    audioresample_buffer_queue_flush        (AudioresampleBufferQueue * queue);
-
-#endif

gst/legacyresample/debug.c

@@ -1,65 +0,0 @@
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <glib.h>
-#include <stdio.h>
-#include <debug.h>
-
-static const char *resample_debug_level_names[] = {
-  "NONE",
-  "ERROR",
-  "WARNING",
-  "INFO",
-  "DEBUG",
-  "LOG"
-};
-
-static int resample_debug_level = RESAMPLE_LEVEL_ERROR;
-
-void
-resample_debug_log (int level, const char *file, const char *function,
-    int line, const char *format, ...)
-{
-#ifndef GLIB_COMPAT
-  va_list varargs;
-  char *s;
-
-  if (level > resample_debug_level)
-    return;
-
-  va_start (varargs, format);
-  s = g_strdup_vprintf (format, varargs);
-  va_end (varargs);
-
-  fprintf (stderr, "RESAMPLE: %s: %s(%d): %s: %s\n",
-      resample_debug_level_names[level], file, line, function, s);
-  g_free (s);
-#else
-  va_list varargs;
-  char s[1000];
-
-  if (level > resample_debug_level)
-    return;
-
-  va_start (varargs, format);
-  vsnprintf (s, 999, format, varargs);
-  va_end (varargs);
-
-  fprintf (stderr, "RESAMPLE: %s: %s(%d): %s: %s\n",
-      resample_debug_level_names[level], file, line, function, s);
-#endif
-}
-
-void
-resample_debug_set_level (int level)
-{
-  resample_debug_level = level;
-}
-
-int
-resample_debug_get_level (void)
-{
-  return resample_debug_level;
-}

gst/legacyresample/debug.h

@@ -1,51 +0,0 @@
-
-#ifndef __RESAMPLE_DEBUG_H__
-#define __RESAMPLE_DEBUG_H__
-
-#if 0
-enum
-{
-  RESAMPLE_LEVEL_NONE = 0,
-  RESAMPLE_LEVEL_ERROR,
-  RESAMPLE_LEVEL_WARNING,
-  RESAMPLE_LEVEL_INFO,
-  RESAMPLE_LEVEL_DEBUG,
-  RESAMPLE_LEVEL_LOG
-};
-
-#define RESAMPLE_ERROR(...) \
-  RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_ERROR, __VA_ARGS__)
-#define RESAMPLE_WARNING(...) \
-  RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_WARNING, __VA_ARGS__)
-#define RESAMPLE_INFO(...) \
-  RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_INFO, __VA_ARGS__)
-#define RESAMPLE_DEBUG(...) \
-  RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_DEBUG, __VA_ARGS__)
-#define RESAMPLE_LOG(...) \
-  RESAMPLE_DEBUG_LEVEL(RESAMPLE_LEVEL_LOG, __VA_ARGS__)
-
-#define RESAMPLE_DEBUG_LEVEL(level,...) \
-  resample_debug_log ((level), __FILE__, __FUNCTION__, __LINE__, __VA_ARGS__)
-
-void resample_debug_log (int level, const char *file, const char *function,
-    int line, const char *format, ...);
-void resample_debug_set_level (int level);
-int resample_debug_get_level (void);
-#else
-
-#include <gst/gst.h>
-
-GST_DEBUG_CATEGORY_EXTERN (libaudioresample_debug);
-#define GST_CAT_DEFAULT libaudioresample_debug
-
-#define RESAMPLE_ERROR GST_ERROR
-#define RESAMPLE_WARNING GST_WARNING
-#define RESAMPLE_INFO GST_INFO
-#define RESAMPLE_DEBUG GST_DEBUG
-#define RESAMPLE_LOG GST_LOG
-
-#define resample_debug_set_level(x) do { } while (0)
-
-#endif
-
-#endif

gst/legacyresample/functable.c

@@ -1,254 +0,0 @@
-/* Resampling library
- * Copyright (C) <2001> David A. Schleef <ds@schleef.org>
- *
- * 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 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 <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-
-#include "functable.h"
-#include "debug.h"
-
-
-
-void
-functable_func_sinc (double *fx, double *dfx, double x, void *closure)
-{
-  if (x == 0) {
-    *fx = 1;
-    *dfx = 0;
-    return;
-  }
-
-  *fx = sin (x) / x;
-  *dfx = (cos (x) - sin (x) / x) / x;
-}
-
-void
-functable_func_boxcar (double *fx, double *dfx, double x, void *closure)
-{
-  double width = *(double *) closure;
-
-  if (x < width && x > -width) {
-    *fx = 1;
-  } else {
-    *fx = 0;
-  }
-  *dfx = 0;
-}
-
-void
-functable_func_hanning (double *fx, double *dfx, double x, void *closure)
-{
-  double width = *(double *) closure;
-
-  if (x < width && x > -width) {
-    x /= width;
-    *fx = (1 - x * x) * (1 - x * x);
-    *dfx = -2 * 2 * x / width * (1 - x * x);
-  } else {
-    *fx = 0;
-    *dfx = 0;
-  }
-}
-
-
-Functable *
-functable_new (void)
-{
-  Functable *ft;
-
-  ft = malloc (sizeof (Functable));
-  memset (ft, 0, sizeof (Functable));
-
-  return ft;
-}
-
-void
-functable_free (Functable * ft)
-{
-  free (ft);
-}
-
-void
-functable_set_length (Functable * t, int length)
-{
-  t->length = length;
-}
-
-void
-functable_set_offset (Functable * t, double offset)
-{
-  t->offset = offset;
-}
-
-void
-functable_set_multiplier (Functable * t, double multiplier)
-{
-  t->multiplier = multiplier;
-}
-
-void
-functable_calculate (Functable * t, FunctableFunc func, void *closure)
-{
-  int i;
-  double x;
-
-  if (t->fx)
-    free (t->fx);
-  if (t->dfx)
-    free (t->dfx);
-
-  t->fx = malloc (sizeof (double) * (t->length + 1));
-  t->dfx = malloc (sizeof (double) * (t->length + 1));
-
-  t->inv_multiplier = 1.0 / t->multiplier;
-
-  for (i = 0; i < t->length + 1; i++) {
-    x = t->offset + t->multiplier * i;
-
-    func (&t->fx[i], &t->dfx[i], x, closure);
-  }
-}
-
-void
-functable_calculate_multiply (Functable * t, FunctableFunc func, void *closure)
-{
-  int i;
-  double x;
-
-  for (i = 0; i < t->length + 1; i++) {
-    double afx, adfx, bfx, bdfx;
-
-    afx = t->fx[i];
-    adfx = t->dfx[i];
-    x = t->offset + t->multiplier * i;
-    func (&bfx, &bdfx, x, closure);
-    t->fx[i] = afx * bfx;
-    t->dfx[i] = afx * bdfx + adfx * bfx;
-  }
-
-}
-
-double
-functable_evaluate (Functable * t, double x)
-{
-  int i;
-  double f0, f1, w0, w1;
-  double x2, x3;
-  double w;
-
-  if (x < t->offset || x > (t->offset + t->length * t->multiplier)) {
-    RESAMPLE_DEBUG ("x out of range %g", x);
-  }
-
-  x -= t->offset;
-  x *= t->inv_multiplier;
-  i = floor (x);
-  x -= i;
-
-  x2 = x * x;
-  x3 = x2 * x;
-
-  f1 = 3 * x2 - 2 * x3;
-  f0 = 1 - f1;
-  w0 = (x - 2 * x2 + x3) * t->multiplier;
-  w1 = (-x2 + x3) * t->multiplier;
-
-  w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
-
-  /*w = t->fx[i] * (1-x) + t->fx[i+1] * x; */
-
-  return w;
-}
-
-
-double
-functable_fir (Functable * t, double x, int n, double *data, int len)
-{
-  int i, j;
-  double f0, f1, w0, w1;
-  double x2, x3;
-  double w;
-  double sum;
-
-  x -= t->offset;
-  x /= t->multiplier;
-  i = floor (x);
-  x -= i;
-
-  x2 = x * x;
-  x3 = x2 * x;
-
-  f1 = 3 * x2 - 2 * x3;
-  f0 = 1 - f1;
-  w0 = (x - 2 * x2 + x3) * t->multiplier;
-  w1 = (-x2 + x3) * t->multiplier;
-
-  sum = 0;
-  for (j = 0; j < len; j++) {
-    w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
-    sum += data[j * 2] * w;
-    i += n;
-  }
-
-  return sum;
-}
-
-void
-functable_fir2 (Functable * t, double *r0, double *r1, double x,
-    int n, double *data, int len)
-{
-  int i, j;
-  double f0, f1, w0, w1;
-  double x2, x3;
-  double w;
-  double sum0, sum1;
-  double floor_x;
-
-  x -= t->offset;
-  x *= t->inv_multiplier;
-  floor_x = floor (x);
-  i = floor_x;
-  x -= floor_x;
-
-  x2 = x * x;
-  x3 = x2 * x;
-
-  f1 = 3 * x2 - 2 * x3;
-  f0 = 1 - f1;
-  w0 = (x - 2 * x2 + x3) * t->multiplier;
-  w1 = (-x2 + x3) * t->multiplier;
-
-  sum0 = 0;
-  sum1 = 0;
-  for (j = 0; j < len; j++) {
-    w = t->fx[i] * f0 + t->fx[i + 1] * f1 + t->dfx[i] * w0 + t->dfx[i + 1] * w1;
-    sum0 += data[j * 2] * w;
-    sum1 += data[j * 2 + 1] * w;
-    i += n;
-  }
-
-  *r0 = sum0;
-  *r1 = sum1;
-}

gst/legacyresample/functable.h

@@ -1,61 +0,0 @@
-/* Resampling library
- * Copyright (C) <2001> David Schleef <ds@schleef.org>
- *
- * 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 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 __FUNCTABLE_H__
-#define __FUNCTABLE_H__
-
-typedef void FunctableFunc (double *fx, double *dfx, double x, void *closure);
-
-typedef struct _Functable Functable;
-struct _Functable {
-  int length;
-
-  double offset;
-  double multiplier;
-
-  double inv_multiplier;
-
-  double *fx;
-  double *dfx;
-};
-
-Functable *functable_new (void);
-void functable_setup (Functable *t);
-void functable_free (Functable *t);
-
-void functable_set_length (Functable *t, int length);
-void functable_set_offset (Functable *t, double offset);
-void functable_set_multiplier (Functable *t, double multiplier);
-void functable_calculate (Functable *t, FunctableFunc func, void *closure);
-void functable_calculate_multiply (Functable *t, FunctableFunc func, void *closure);
-
-
-double functable_evaluate (Functable *t,double x);
-
-double functable_fir(Functable *t,double x0,int n,double *data,int len);
-void functable_fir2(Functable *t,double *r0, double *r1, double x0,
-        int n,double *data,int len);
-
-void functable_func_sinc(double *fx, double *dfx, double x, void *closure);
-void functable_func_boxcar(double *fx, double *dfx, double x, void *closure);
-void functable_func_hanning(double *fx, double *dfx, double x, void *closure);
-
-#endif /* __PRIVATE_H__ */
-

gst/legacyresample/gstlegacyresample.c

@@ -1,878 +0,0 @@
-/* GStreamer
- * Copyright (C) 1999 Erik Walthinsen <omega@cse.ogi.edu>
- * Copyright (C) 2003,2004 David A. Schleef <ds@schleef.org>
- *
- * 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.
- */
-/* Element-Checklist-Version: 5 */
-
-/**
- * SECTION:element-legacyresample
- *
- * legacyresample resamples raw audio buffers to different sample rates using
- * a configurable windowing function to enhance quality.
- *
- * <refsect2>
- * <title>Example launch line</title>
- * |[
- * gst-launch -v filesrc location=sine.ogg ! oggdemux ! vorbisdec ! audioconvert ! legacyresample ! audio/x-raw-int, rate=8000 ! alsasink
- * ]| Decode an Ogg/Vorbis downsample to 8Khz and play sound through alsa. 
- * To create the Ogg/Vorbis file refer to the documentation of vorbisenc.
- * </refsect2>
- *
- * Last reviewed on 2006-03-02 (0.10.4)
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <string.h>
-#include <math.h>
-
-/*#define DEBUG_ENABLED */
-#include "gstlegacyresample.h"
-#include <gst/audio/audio.h>
-#include <gst/base/gstbasetransform.h>
-
-GST_DEBUG_CATEGORY_STATIC (legacyresample_debug);
-#define GST_CAT_DEFAULT legacyresample_debug
-
-#define DEFAULT_FILTERLEN       16
-
-enum
-{
-  PROP_0,
-  PROP_FILTERLEN
-};
-
-#define SUPPORTED_CAPS \
-GST_STATIC_CAPS ( \
-    "audio/x-raw-int, " \
-      "rate = (int) [ 1, MAX ], " \
-      "channels = (int) [ 1, MAX ], " \
-      "endianness = (int) BYTE_ORDER, " \
-      "width = (int) 16, " \
-      "depth = (int) 16, " \
-      "signed = (boolean) true;" \
-    "audio/x-raw-int, " \
-      "rate = (int) [ 1, MAX ], " \
-      "channels = (int) [ 1, MAX ], " \
-      "endianness = (int) BYTE_ORDER, " \
-      "width = (int) 32, " \
-      "depth = (int) 32, " \
-      "signed = (boolean) true;" \
-    "audio/x-raw-float, " \
-      "rate = (int) [ 1, MAX ], "	\
-      "channels = (int) [ 1, MAX ], " \
-      "endianness = (int) BYTE_ORDER, " \
-      "width = (int) 32; " \
-    "audio/x-raw-float, " \
-      "rate = (int) [ 1, MAX ], "	\
-      "channels = (int) [ 1, MAX ], " \
-      "endianness = (int) BYTE_ORDER, " \
-      "width = (int) 64" \
-)
-
-static GstStaticPadTemplate gst_legacyresample_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK, GST_PAD_ALWAYS, SUPPORTED_CAPS);
-
-static GstStaticPadTemplate gst_legacyresample_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC, GST_PAD_ALWAYS, SUPPORTED_CAPS);
-
-static void gst_legacyresample_set_property (GObject * object,
-    guint prop_id, const GValue * value, GParamSpec * pspec);
-static void gst_legacyresample_get_property (GObject * object,
-    guint prop_id, GValue * value, GParamSpec * pspec);
-
-/* vmethods */
-static gboolean legacyresample_get_unit_size (GstBaseTransform * base,
-    GstCaps * caps, guint * size);
-static GstCaps *legacyresample_transform_caps (GstBaseTransform * base,
-    GstPadDirection direction, GstCaps * caps);
-static void legacyresample_fixate_caps (GstBaseTransform * base,
-    GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
-static gboolean legacyresample_transform_size (GstBaseTransform * trans,
-    GstPadDirection direction, GstCaps * incaps, guint insize,
-    GstCaps * outcaps, guint * outsize);
-static gboolean legacyresample_set_caps (GstBaseTransform * base,
-    GstCaps * incaps, GstCaps * outcaps);
-static GstFlowReturn legacyresample_pushthrough (GstLegacyresample *
-    legacyresample);
-static GstFlowReturn legacyresample_transform (GstBaseTransform * base,
-    GstBuffer * inbuf, GstBuffer * outbuf);
-static gboolean legacyresample_event (GstBaseTransform * base,
-    GstEvent * event);
-static gboolean legacyresample_start (GstBaseTransform * base);
-static gboolean legacyresample_stop (GstBaseTransform * base);
-
-static gboolean legacyresample_query (GstPad * pad, GstQuery * query);
-static const GstQueryType *legacyresample_query_type (GstPad * pad);
-
-#define DEBUG_INIT(bla) \
-  GST_DEBUG_CATEGORY_INIT (legacyresample_debug, "legacyresample", 0, "audio resampling element");
-
-GST_BOILERPLATE_FULL (GstLegacyresample, gst_legacyresample, GstBaseTransform,
-    GST_TYPE_BASE_TRANSFORM, DEBUG_INIT);
-
-static void
-gst_legacyresample_base_init (gpointer g_class)
-{
-  GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
-
-  gst_element_class_add_pad_template (gstelement_class,
-      gst_static_pad_template_get (&gst_legacyresample_src_template));
-  gst_element_class_add_pad_template (gstelement_class,
-      gst_static_pad_template_get (&gst_legacyresample_sink_template));
-
-  gst_element_class_set_details_simple (gstelement_class, "Audio scaler",
-      "Filter/Converter/Audio",
-      "Resample audio", "David Schleef <ds@schleef.org>");
-}
-
-static void
-gst_legacyresample_class_init (GstLegacyresampleClass * klass)
-{
-  GObjectClass *gobject_class;
-
-  gobject_class = (GObjectClass *) klass;
-
-  gobject_class->set_property = gst_legacyresample_set_property;
-  gobject_class->get_property = gst_legacyresample_get_property;
-
-  g_object_class_install_property (gobject_class, PROP_FILTERLEN,
-      g_param_spec_int ("filter-length", "filter length",
-          "Length of the resample filter", 0, G_MAXINT, DEFAULT_FILTERLEN,
-          G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS));
-
-  GST_BASE_TRANSFORM_CLASS (klass)->start =
-      GST_DEBUG_FUNCPTR (legacyresample_start);
-  GST_BASE_TRANSFORM_CLASS (klass)->stop =
-      GST_DEBUG_FUNCPTR (legacyresample_stop);
-  GST_BASE_TRANSFORM_CLASS (klass)->transform_size =
-      GST_DEBUG_FUNCPTR (legacyresample_transform_size);
-  GST_BASE_TRANSFORM_CLASS (klass)->get_unit_size =
-      GST_DEBUG_FUNCPTR (legacyresample_get_unit_size);
-  GST_BASE_TRANSFORM_CLASS (klass)->transform_caps =
-      GST_DEBUG_FUNCPTR (legacyresample_transform_caps);
-  GST_BASE_TRANSFORM_CLASS (klass)->fixate_caps =
-      GST_DEBUG_FUNCPTR (legacyresample_fixate_caps);
-  GST_BASE_TRANSFORM_CLASS (klass)->set_caps =
-      GST_DEBUG_FUNCPTR (legacyresample_set_caps);
-  GST_BASE_TRANSFORM_CLASS (klass)->transform =
-      GST_DEBUG_FUNCPTR (legacyresample_transform);
-  GST_BASE_TRANSFORM_CLASS (klass)->event =
-      GST_DEBUG_FUNCPTR (legacyresample_event);
-
-  GST_BASE_TRANSFORM_CLASS (klass)->passthrough_on_same_caps = TRUE;
-}
-
-static void
-gst_legacyresample_init (GstLegacyresample * legacyresample,
-    GstLegacyresampleClass * klass)
-{
-  GstBaseTransform *trans;
-
-  trans = GST_BASE_TRANSFORM (legacyresample);
-
-  /* buffer alloc passthrough is too impossible. FIXME, it
-   * is trivial in the passthrough case. */
-  gst_pad_set_bufferalloc_function (trans->sinkpad, NULL);
-
-  legacyresample->filter_length = DEFAULT_FILTERLEN;
-
-  legacyresample->need_discont = FALSE;
-
-  gst_pad_set_query_function (trans->srcpad, legacyresample_query);
-  gst_pad_set_query_type_function (trans->srcpad, legacyresample_query_type);
-}
-
-/* vmethods */
-static gboolean
-legacyresample_start (GstBaseTransform * base)
-{
-  GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
-
-  legacyresample->resample = resample_new ();
-  legacyresample->ts_offset = -1;
-  legacyresample->offset = -1;
-  legacyresample->next_ts = -1;
-
-  resample_set_filter_length (legacyresample->resample,
-      legacyresample->filter_length);
-
-  return TRUE;
-}
-
-static gboolean
-legacyresample_stop (GstBaseTransform * base)
-{
-  GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
-
-  if (legacyresample->resample) {
-    resample_free (legacyresample->resample);
-    legacyresample->resample = NULL;
-  }
-
-  gst_caps_replace (&legacyresample->sinkcaps, NULL);
-  gst_caps_replace (&legacyresample->srccaps, NULL);
-
-  return TRUE;
-}
-
-static gboolean
-legacyresample_get_unit_size (GstBaseTransform * base, GstCaps * caps,
-    guint * size)
-{
-  gint width, channels;
-  GstStructure *structure;
-  gboolean ret;
-
-  g_assert (size);
-
-  /* this works for both float and int */
-  structure = gst_caps_get_structure (caps, 0);
-  ret = gst_structure_get_int (structure, "width", &width);
-  ret &= gst_structure_get_int (structure, "channels", &channels);
-  g_return_val_if_fail (ret, FALSE);
-
-  *size = width * channels / 8;
-
-  return TRUE;
-}
-
-static GstCaps *
-legacyresample_transform_caps (GstBaseTransform * base,
-    GstPadDirection direction, GstCaps * caps)
-{
-  const GValue *val;
-  GstStructure *s;
-  GstCaps *res;
-
-  /* transform single caps into input_caps + input_caps with the rate
-   * field set to our supported range. This ensures that upstream knows
-   * about downstream's prefered rate(s) and can negotiate accordingly. */
-  res = gst_caps_copy (caps);
-
-  /* first, however, check if the caps contain a range for the rate field, in
-   * which case that side isn't going to care much about the exact sample rate
-   * chosen and we should just assume things will get fixated to something sane
-   * and we may just as well offer our full range instead of the range in the
-   * caps. If the rate is not an int range value, it's likely to express a
-   * real preference or limitation and we should maintain that structure as
-   * preference by putting it first into the transformed caps, and only add
-   * our full rate range as second option  */
-  s = gst_caps_get_structure (res, 0);
-  val = gst_structure_get_value (s, "rate");
-  if (val == NULL || GST_VALUE_HOLDS_INT_RANGE (val)) {
-    /* overwrite existing range, or add field if it doesn't exist yet */
-    gst_structure_set (s, "rate", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
-  } else {
-    /* append caps with full range to existing caps with non-range rate field */
-    s = gst_structure_copy (s);
-    gst_structure_set (s, "rate", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
-    gst_caps_append_structure (res, s);
-  }
-
-  return res;
-}
-
-/* Fixate rate to the allowed rate that has the smallest difference */
-static void
-legacyresample_fixate_caps (GstBaseTransform * base,
-    GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
-{
-  GstStructure *s;
-  gint rate;
-
-  s = gst_caps_get_structure (caps, 0);
-  if (!gst_structure_get_int (s, "rate", &rate))
-    return;
-
-  s = gst_caps_get_structure (othercaps, 0);
-  gst_structure_fixate_field_nearest_int (s, "rate", rate);
-}
-
-static gboolean
-resample_set_state_from_caps (ResampleState * state, GstCaps * incaps,
-    GstCaps * outcaps, gint * channels, gint * inrate, gint * outrate)
-{
-  GstStructure *structure;
-  gboolean ret;
-  gint myinrate, myoutrate;
-  int mychannels;
-  gint width, depth;
-  ResampleFormat format;
-
-  GST_DEBUG ("incaps %" GST_PTR_FORMAT ", outcaps %"
-      GST_PTR_FORMAT, incaps, outcaps);
-
-  structure = gst_caps_get_structure (incaps, 0);
-
-  /* get width */
-  ret = gst_structure_get_int (structure, "width", &width);
-  if (!ret)
-    goto no_width;
-
-  /* figure out the format */
-  if (g_str_equal (gst_structure_get_name (structure), "audio/x-raw-float")) {
-    if (width == 32)
-      format = RESAMPLE_FORMAT_F32;
-    else if (width == 64)
-      format = RESAMPLE_FORMAT_F64;
-    else
-      goto wrong_depth;
-  } else {
-    /* for int, depth and width must be the same */
-    ret = gst_structure_get_int (structure, "depth", &depth);
-    if (!ret || width != depth)
-      goto not_equal;
-
-    if (width == 16)
-      format = RESAMPLE_FORMAT_S16;
-    else if (width == 32)
-      format = RESAMPLE_FORMAT_S32;
-    else
-      goto wrong_depth;
-  }
-  ret = gst_structure_get_int (structure, "rate", &myinrate);
-  ret &= gst_structure_get_int (structure, "channels", &mychannels);
-  if (!ret)
-    goto no_in_rate_channels;
-
-  structure = gst_caps_get_structure (outcaps, 0);
-  ret = gst_structure_get_int (structure, "rate", &myoutrate);
-  if (!ret)
-    goto no_out_rate;
-
-  if (channels)
-    *channels = mychannels;
-  if (inrate)
-    *inrate = myinrate;
-  if (outrate)
-    *outrate = myoutrate;
-
-  resample_set_format (state, format);
-  resample_set_n_channels (state, mychannels);
-  resample_set_input_rate (state, myinrate);
-  resample_set_output_rate (state, myoutrate);
-
-  return TRUE;
-
-  /* ERRORS */
-no_width:
-  {
-    GST_DEBUG ("failed to get width from caps");
-    return FALSE;
-  }
-not_equal:
-  {
-    GST_DEBUG ("width %d and depth %d must be the same", width, depth);
-    return FALSE;
-  }
-wrong_depth:
-  {
-    GST_DEBUG ("unknown depth %d found", depth);
-    return FALSE;
-  }
-no_in_rate_channels:
-  {
-    GST_DEBUG ("could not get input rate and channels");
-    return FALSE;
-  }
-no_out_rate:
-  {
-    GST_DEBUG ("could not get output rate");
-    return FALSE;
-  }
-}
-
-static gboolean
-legacyresample_transform_size (GstBaseTransform * base,
-    GstPadDirection direction, GstCaps * caps, guint size, GstCaps * othercaps,
-    guint * othersize)
-{
-  GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
-  ResampleState *state;
-  GstCaps *srccaps, *sinkcaps;
-  gboolean use_internal = FALSE;        /* whether we use the internal state */
-  gboolean ret = TRUE;
-
-  GST_LOG_OBJECT (base, "asked to transform size %d in direction %s",
-      size, direction == GST_PAD_SINK ? "SINK" : "SRC");
-  if (direction == GST_PAD_SINK) {
-    sinkcaps = caps;
-    srccaps = othercaps;
-  } else {
-    sinkcaps = othercaps;
-    srccaps = caps;
-  }
-
-  /* if the caps are the ones that _set_caps got called with; we can use
-   * our own state; otherwise we'll have to create a state */
-  if (gst_caps_is_equal (sinkcaps, legacyresample->sinkcaps) &&
-      gst_caps_is_equal (srccaps, legacyresample->srccaps)) {
-    use_internal = TRUE;
-    state = legacyresample->resample;
-  } else {
-    GST_DEBUG_OBJECT (legacyresample,
-        "caps are not the set caps, creating state");
-    state = resample_new ();
-    resample_set_filter_length (state, legacyresample->filter_length);
-    resample_set_state_from_caps (state, sinkcaps, srccaps, NULL, NULL, NULL);
-  }
-
-  if (direction == GST_PAD_SINK) {
-    /* asked to convert size of an incoming buffer */
-    *othersize = resample_get_output_size_for_input (state, size);
-  } else {
-    /* asked to convert size of an outgoing buffer */
-    *othersize = resample_get_input_size_for_output (state, size);
-  }
-  g_assert (*othersize % state->sample_size == 0);
-
-  /* we make room for one extra sample, given that the resampling filter
-   * can output an extra one for non-integral i_rate/o_rate */
-  GST_LOG_OBJECT (base, "transformed size %d to %d", size, *othersize);
-
-  if (!use_internal) {
-    resample_free (state);
-  }
-
-  return ret;
-}
-
-static gboolean
-legacyresample_set_caps (GstBaseTransform * base, GstCaps * incaps,
-    GstCaps * outcaps)
-{
-  gboolean ret;
-  gint inrate, outrate;
-  int channels;
-  GstLegacyresample *legacyresample = GST_LEGACYRESAMPLE (base);
-
-  GST_DEBUG_OBJECT (base, "incaps %" GST_PTR_FORMAT ", outcaps %"
-      GST_PTR_FORMAT, incaps, outcaps);
-
-  ret = resample_set_state_from_caps (legacyresample->resample, incaps, outcaps,
-      &channels, &inrate, &outrate);
-
-  g_return_val_if_fail (ret, FALSE);
-
-  legacyresample->channels = channels;
-  GST_DEBUG_OBJECT (legacyresample, "set channels to %d", channels);
-  legacyresample->i_rate = inrate;
-  GST_DEBUG_OBJECT (legacyresample, "set i_rate to %d", inrate);
-  legacyresample->o_rate = outrate;
-  GST_DEBUG_OBJECT (legacyresample, "set o_rate to %d", outrate);
-
-  /* save caps so we can short-circuit in the size_transform if the caps
-   * are the same */
-  gst_caps_replace (&legacyresample->sinkcaps, incaps);
-  gst_caps_replace (&legacyresample->srccaps, outcaps);
-
-  return TRUE;
-}
-
-static gboolean
-legacyresample_event (GstBaseTransform * base, GstEvent * event)
-{
-  GstLegacyresample *legacyresample;
-
-  legacyresample = GST_LEGACYRESAMPLE (base);
-
-  switch (GST_EVENT_TYPE (event)) {
-    case GST_EVENT_FLUSH_START:
-      break;
-    case GST_EVENT_FLUSH_STOP:
-      if (legacyresample->resample)
-        resample_input_flush (legacyresample->resample);
-      legacyresample->ts_offset = -1;
-      legacyresample->next_ts = -1;
-      legacyresample->offset = -1;
-      break;
-    case GST_EVENT_NEWSEGMENT:
-      resample_input_pushthrough (legacyresample->resample);
-      legacyresample_pushthrough (legacyresample);
-      legacyresample->ts_offset = -1;
-      legacyresample->next_ts = -1;
-      legacyresample->offset = -1;
-      break;
-    case GST_EVENT_EOS:
-      resample_input_eos (legacyresample->resample);
-      legacyresample_pushthrough (legacyresample);
-      break;
-    default:
-      break;
-  }
-  return parent_class->event (base, event);
-}
-
-static GstFlowReturn
-legacyresample_do_output (GstLegacyresample * legacyresample,
-    GstBuffer * outbuf)
-{
-  int outsize;
-  int outsamples;
-  ResampleState *r;
-
-  r = legacyresample->resample;
-
-  outsize = resample_get_output_size (r);
-  GST_LOG_OBJECT (legacyresample, "legacyresample can give me %d bytes",
-      outsize);
-
-  /* protect against mem corruption */
-  if (outsize > GST_BUFFER_SIZE (outbuf)) {
-    GST_WARNING_OBJECT (legacyresample,
-        "overriding legacyresample's outsize %d with outbuffer's size %d",
-        outsize, GST_BUFFER_SIZE (outbuf));
-    outsize = GST_BUFFER_SIZE (outbuf);
-  }
-  /* catch possibly wrong size differences */
-  if (GST_BUFFER_SIZE (outbuf) - outsize > r->sample_size) {
-    GST_WARNING_OBJECT (legacyresample,
-        "legacyresample's outsize %d too far from outbuffer's size %d",
-        outsize, GST_BUFFER_SIZE (outbuf));
-  }
-
-  outsize = resample_get_output_data (r, GST_BUFFER_DATA (outbuf), outsize);
-  outsamples = outsize / r->sample_size;
-  GST_LOG_OBJECT (legacyresample, "resample gave me %d bytes or %d samples",
-      outsize, outsamples);
-
-  GST_BUFFER_OFFSET (outbuf) = legacyresample->offset;
-  GST_BUFFER_TIMESTAMP (outbuf) = legacyresample->next_ts;
-
-  if (legacyresample->ts_offset != -1) {
-    legacyresample->offset += outsamples;
-    legacyresample->ts_offset += outsamples;
-    legacyresample->next_ts =
-        gst_util_uint64_scale_int (legacyresample->ts_offset, GST_SECOND,
-        legacyresample->o_rate);
-    GST_BUFFER_OFFSET_END (outbuf) = legacyresample->offset;
-
-    /* we calculate DURATION as the difference between "next" timestamp
-     * and current timestamp so we ensure a contiguous stream, instead of
-     * having rounding errors. */
-    GST_BUFFER_DURATION (outbuf) = legacyresample->next_ts -
-        GST_BUFFER_TIMESTAMP (outbuf);
-  } else {
-    /* no valid offset know, we can still sortof calculate the duration though */
-    GST_BUFFER_DURATION (outbuf) =
-        gst_util_uint64_scale_int (outsamples, GST_SECOND,
-        legacyresample->o_rate);
-  }
-
-  /* check for possible mem corruption */
-  if (outsize > GST_BUFFER_SIZE (outbuf)) {
-    /* this is an error that when it happens, would need fixing in the
-     * resample library; we told it we wanted only GST_BUFFER_SIZE (outbuf),
-     * and it gave us more ! */
-    GST_WARNING_OBJECT (legacyresample,
-        "legacyresample, you memory corrupting bastard. "
-        "you gave me outsize %d while my buffer was size %d",
-        outsize, GST_BUFFER_SIZE (outbuf));
-    return GST_FLOW_ERROR;
-  }
-  /* catch possibly wrong size differences */
-  if (GST_BUFFER_SIZE (outbuf) - outsize > r->sample_size) {
-    GST_WARNING_OBJECT (legacyresample,
-        "legacyresample's written outsize %d too far from outbuffer's size %d",
-        outsize, GST_BUFFER_SIZE (outbuf));
-  }
-  GST_BUFFER_SIZE (outbuf) = outsize;
-
-  if (G_UNLIKELY (legacyresample->need_discont)) {
-    GST_DEBUG_OBJECT (legacyresample,
-        "marking this buffer with the DISCONT flag");
-    GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
-    legacyresample->need_discont = FALSE;
-  }
-
-  GST_LOG_OBJECT (legacyresample, "transformed to buffer of %d bytes, ts %"
-      GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT ", offset %"
-      G_GINT64_FORMAT ", offset_end %" G_GINT64_FORMAT,
-      outsize, GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (outbuf)),
-      GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)),
-      GST_BUFFER_OFFSET (outbuf), GST_BUFFER_OFFSET_END (outbuf));
-
-
-  return GST_FLOW_OK;
-}
-
-static gboolean
-legacyresample_check_discont (GstLegacyresample * legacyresample,
-    GstClockTime timestamp)
-{
-  if (timestamp != GST_CLOCK_TIME_NONE &&
-      legacyresample->prev_ts != GST_CLOCK_TIME_NONE &&
-      legacyresample->prev_duration != GST_CLOCK_TIME_NONE &&
-      timestamp != legacyresample->prev_ts + legacyresample->prev_duration) {
-    /* Potentially a discontinuous buffer. However, it turns out that many
-     * elements generate imperfect streams due to rounding errors, so we permit
-     * a small error (up to one sample) without triggering a filter 
-     * flush/restart (if triggered incorrectly, this will be audible) */
-    GstClockTimeDiff diff = timestamp -
-        (legacyresample->prev_ts + legacyresample->prev_duration);
-
-    if (ABS (diff) > GST_SECOND / legacyresample->i_rate) {
-      GST_WARNING_OBJECT (legacyresample,
-          "encountered timestamp discontinuity of %" G_GINT64_FORMAT, diff);
-      return TRUE;
-    }
-  }
-
-  return FALSE;
-}
-
-static GstFlowReturn
-legacyresample_transform (GstBaseTransform * base, GstBuffer * inbuf,
-    GstBuffer * outbuf)
-{
-  GstLegacyresample *legacyresample;
-  ResampleState *r;
-  guchar *data, *datacopy;
-  gulong size;
-  GstClockTime timestamp;
-
-  legacyresample = GST_LEGACYRESAMPLE (base);
-  r = legacyresample->resample;
-
-  data = GST_BUFFER_DATA (inbuf);
-  size = GST_BUFFER_SIZE (inbuf);
-  timestamp = GST_BUFFER_TIMESTAMP (inbuf);
-
-  GST_LOG_OBJECT (legacyresample, "transforming buffer of %ld bytes, ts %"
-      GST_TIME_FORMAT ", duration %" GST_TIME_FORMAT ", offset %"
-      G_GINT64_FORMAT ", offset_end %" G_GINT64_FORMAT,
-      size, GST_TIME_ARGS (timestamp),
-      GST_TIME_ARGS (GST_BUFFER_DURATION (inbuf)),
-      GST_BUFFER_OFFSET (inbuf), GST_BUFFER_OFFSET_END (inbuf));
-
-  /* check for timestamp discontinuities and flush/reset if needed */
-  if (G_UNLIKELY (legacyresample_check_discont (legacyresample, timestamp))) {
-    /* Flush internal samples */
-    legacyresample_pushthrough (legacyresample);
-    /* Inform downstream element about discontinuity */
-    legacyresample->need_discont = TRUE;
-    /* We want to recalculate the offset */
-    legacyresample->ts_offset = -1;
-  }
-
-  if (legacyresample->ts_offset == -1) {
-    /* if we don't know the initial offset yet, calculate it based on the 
-     * input timestamp. */
-    if (GST_CLOCK_TIME_IS_VALID (timestamp)) {
-      GstClockTime stime;
-
-      /* offset used to calculate the timestamps. We use the sample offset for
-       * this to make it more accurate. We want the first buffer to have the
-       * same timestamp as the incoming timestamp. */
-      legacyresample->next_ts = timestamp;
-      legacyresample->ts_offset =
-          gst_util_uint64_scale_int (timestamp, r->o_rate, GST_SECOND);
-      /* offset used to set as the buffer offset, this offset is always
-       * relative to the stream time, note that timestamp is not... */
-      stime = (timestamp - base->segment.start) + base->segment.time;
-      legacyresample->offset =
-          gst_util_uint64_scale_int (stime, r->o_rate, GST_SECOND);
-    }
-  }
-  legacyresample->prev_ts = timestamp;
-  legacyresample->prev_duration = GST_BUFFER_DURATION (inbuf);
-
-  /* need to memdup, resample takes ownership. */
-  datacopy = g_memdup (data, size);
-  resample_add_input_data (r, datacopy, size, g_free, datacopy);
-
-  return legacyresample_do_output (legacyresample, outbuf);
-}
-
-/* push remaining data in the buffers out */
-static GstFlowReturn
-legacyresample_pushthrough (GstLegacyresample * legacyresample)
-{
-  int outsize;
-  ResampleState *r;
-  GstBuffer *outbuf;
-  GstFlowReturn res = GST_FLOW_OK;
-  GstBaseTransform *trans;
-
-  r = legacyresample->resample;
-
-  outsize = resample_get_output_size (r);
-  if (outsize == 0) {
-    GST_DEBUG_OBJECT (legacyresample, "no internal buffers needing flush");
-    goto done;
-  }
-
-  trans = GST_BASE_TRANSFORM (legacyresample);
-
-  res = gst_pad_alloc_buffer (trans->srcpad, GST_BUFFER_OFFSET_NONE, outsize,
-      GST_PAD_CAPS (trans->srcpad), &outbuf);
-  if (G_UNLIKELY (res != GST_FLOW_OK)) {
-    GST_WARNING_OBJECT (legacyresample, "failed allocating buffer of %d bytes",
-        outsize);
-    goto done;
-  }
-
-  res = legacyresample_do_output (legacyresample, outbuf);
-  if (G_UNLIKELY (res != GST_FLOW_OK))
-    goto done;
-
-  res = gst_pad_push (trans->srcpad, outbuf);
-
-done:
-  return res;
-}
-
-static gboolean
-legacyresample_query (GstPad * pad, GstQuery * query)
-{
-  GstLegacyresample *legacyresample =
-      GST_LEGACYRESAMPLE (gst_pad_get_parent (pad));
-  GstBaseTransform *trans = GST_BASE_TRANSFORM (legacyresample);
-  gboolean res = TRUE;
-
-  switch (GST_QUERY_TYPE (query)) {
-    case GST_QUERY_LATENCY:
-    {
-      GstClockTime min, max;
-      gboolean live;
-      guint64 latency;
-      GstPad *peer;
-      gint rate = legacyresample->i_rate;
-      gint resampler_latency = legacyresample->filter_length / 2;
-
-      if (gst_base_transform_is_passthrough (trans))
-        resampler_latency = 0;
-
-      if ((peer = gst_pad_get_peer (trans->sinkpad))) {
-        if ((res = gst_pad_query (peer, query))) {
-          gst_query_parse_latency (query, &live, &min, &max);
-
-          GST_DEBUG ("Peer latency: min %"
-              GST_TIME_FORMAT " max %" GST_TIME_FORMAT,
-              GST_TIME_ARGS (min), GST_TIME_ARGS (max));
-
-          /* add our own latency */
-          if (rate != 0 && resampler_latency != 0)
-            latency =
-                gst_util_uint64_scale (resampler_latency, GST_SECOND, rate);
-          else
-            latency = 0;
-
-          GST_DEBUG ("Our latency: %" GST_TIME_FORMAT, GST_TIME_ARGS (latency));
-
-          min += latency;
-          if (max != GST_CLOCK_TIME_NONE)
-            max += latency;
-
-          GST_DEBUG ("Calculated total latency : min %"
-              GST_TIME_FORMAT " max %" GST_TIME_FORMAT,
-              GST_TIME_ARGS (min), GST_TIME_ARGS (max));
-
-          gst_query_set_latency (query, live, min, max);
-        }
-        gst_object_unref (peer);
-      }
-      break;
-    }
-    default:
-      res = gst_pad_query_default (pad, query);
-      break;
-  }
-  gst_object_unref (legacyresample);
-  return res;
-}
-
-static const GstQueryType *
-legacyresample_query_type (GstPad * pad)
-{
-  static const GstQueryType types[] = {
-    GST_QUERY_LATENCY,
-    0
-  };
-
-  return types;
-}
-
-static void
-gst_legacyresample_set_property (GObject * object, guint prop_id,
-    const GValue * value, GParamSpec * pspec)
-{
-  GstLegacyresample *legacyresample;
-
-  legacyresample = GST_LEGACYRESAMPLE (object);
-
-  switch (prop_id) {
-    case PROP_FILTERLEN:
-      legacyresample->filter_length = g_value_get_int (value);
-      GST_DEBUG_OBJECT (GST_ELEMENT (legacyresample), "new filter length %d",
-          legacyresample->filter_length);
-      if (legacyresample->resample) {
-        resample_set_filter_length (legacyresample->resample,
-            legacyresample->filter_length);
-        gst_element_post_message (GST_ELEMENT (legacyresample),
-            gst_message_new_latency (GST_OBJECT (legacyresample)));
-      }
-      break;
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-  }
-}
-
-static void
-gst_legacyresample_get_property (GObject * object, guint prop_id,
-    GValue * value, GParamSpec * pspec)
-{
-  GstLegacyresample *legacyresample;
-
-  legacyresample = GST_LEGACYRESAMPLE (object);
-
-  switch (prop_id) {
-    case PROP_FILTERLEN:
-      g_value_set_int (value, legacyresample->filter_length);
-      break;
-    default:
-      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
-      break;
-  }
-}
-
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
-  resample_init ();
-
-  if (!gst_element_register (plugin, "legacyresample", GST_RANK_MARGINAL,
-          GST_TYPE_LEGACYRESAMPLE)) {
-    return FALSE;
-  }
-
-  return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
-    GST_VERSION_MINOR,
-    legacyresample,
-    "Resamples audio", plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME,
-    GST_PACKAGE_ORIGIN);

gst/legacyresample/gstlegacyresample.h

@@ -1,79 +0,0 @@
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- *
- * 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 __LEGACYRESAMPLE_H__
-#define __LEGACYRESAMPLE_H__
-
-#include <gst/gst.h>
-#include <gst/base/gstbasetransform.h>
-
-#include "resample.h"
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_LEGACYRESAMPLE \
-  (gst_legacyresample_get_type())
-#define GST_LEGACYRESAMPLE(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_LEGACYRESAMPLE,GstLegacyresample))
-#define GST_LEGACYRESAMPLE_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_LEGACYRESAMPLE,GstLegacyresampleClass))
-#define GST_IS_LEGACYRESAMPLE(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_LEGACYRESAMPLE))
-#define GST_IS_LEGACYRESAMPLE_CLASS(klass) \
-  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_LEGACYRESAMPLE))
-
-typedef struct _GstLegacyresample GstLegacyresample;
-typedef struct _GstLegacyresampleClass GstLegacyresampleClass;
-
-/**
- * GstLegacyresample:
- *
- * Opaque data structure.
- */
-struct _GstLegacyresample {
-  GstBaseTransform element;
-
-  GstCaps *srccaps, *sinkcaps;
-
-  gboolean passthru;
-  gboolean need_discont;
-
-  guint64 offset;
-  guint64 ts_offset;
-  GstClockTime next_ts;
-  GstClockTime prev_ts, prev_duration;
-  int channels;
-
-  int i_rate;
-  int o_rate;
-  int filter_length;
-
-  ResampleState * resample;
-};
-
-struct _GstLegacyresampleClass {
-  GstBaseTransformClass parent_class;
-};
-
-GType gst_legacyresample_get_type(void);
-
-G_END_DECLS
-
-#endif /* __LEGACYRESAMPLE_H__ */

gst/legacyresample/resample.c

@@ -1,312 +0,0 @@
-/* Resampling library
- * Copyright (C) <2001> David A. Schleef <ds@schleef.org>
- *
- * 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 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 <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits.h>
-
-#include "resample.h"
-#include "buffer.h"
-#include "debug.h"
-
-GST_DEBUG_CATEGORY (libaudioresample_debug);
-
-void
-resample_init (void)
-{
-  static int inited = 0;
-
-  if (!inited) {
-    inited = 1;
-    GST_DEBUG_CATEGORY_INIT (libaudioresample_debug, "libaudioresample", 0,
-        "audio resampling library");
-
-  }
-}
-
-ResampleState *
-resample_new (void)
-{
-  ResampleState *r;
-
-  r = malloc (sizeof (ResampleState));
-  memset (r, 0, sizeof (ResampleState));
-
-  r->filter_length = 16;
-
-  r->i_start = 0;
-  if (r->filter_length & 1) {
-    r->o_start = 0;
-  } else {
-    r->o_start = r->o_inc * 0.5;
-  }
-
-  r->queue = audioresample_buffer_queue_new ();
-  r->out_tmp = malloc (10000 * sizeof (double));
-
-  r->need_reinit = 1;
-
-  return r;
-}
-
-void
-resample_free (ResampleState * r)
-{
-  if (r->buffer) {
-    free (r->buffer);
-  }
-  if (r->ft) {
-    functable_free (r->ft);
-  }
-  if (r->queue) {
-    audioresample_buffer_queue_free (r->queue);
-  }
-  if (r->out_tmp) {
-    free (r->out_tmp);
-  }
-
-  free (r);
-}
-
-static void
-resample_buffer_free (AudioresampleBuffer * buffer, void *priv)
-{
-  if (buffer->priv2) {
-    ((void (*)(void *)) buffer->priv2) (buffer->priv);
-  }
-}
-
-/*
- * free_func: a function that frees the given closure.  If NULL, caller is
- *            responsible for freeing.
- */
-void
-resample_add_input_data (ResampleState * r, void *data, int size,
-    void (*free_func) (void *), void *closure)
-{
-  AudioresampleBuffer *buffer;
-
-  RESAMPLE_DEBUG ("data %p size %d", data, size);
-
-  buffer = audioresample_buffer_new_with_data (data, size);
-  buffer->free = resample_buffer_free;
-  buffer->priv2 = (void *) free_func;
-  buffer->priv = closure;
-
-  audioresample_buffer_queue_push (r->queue, buffer);
-}
-
-void
-resample_input_flush (ResampleState * r)
-{
-  RESAMPLE_DEBUG ("flush");
-
-  audioresample_buffer_queue_flush (r->queue);
-  r->buffer_filled = 0;
-  r->need_reinit = 1;
-}
-
-void
-resample_input_pushthrough (ResampleState * r)
-{
-  AudioresampleBuffer *buffer;
-  int filter_bytes;
-  int buffer_filled;
-
-  if (r->sample_size == 0)
-    return;
-
-  filter_bytes = r->filter_length * r->sample_size;
-  buffer_filled = r->buffer_filled;
-
-  RESAMPLE_DEBUG ("pushthrough filter_bytes %d, filled %d",
-      filter_bytes, buffer_filled);
-
-  /* if we have no pending samples, we don't need to do anything. */
-  if (buffer_filled <= 0)
-    return;
-
-  /* send filter_length/2 number of samples so we can get to the
-   * last queued samples */
-  buffer = audioresample_buffer_new_and_alloc (filter_bytes / 2);
-  memset (buffer->data, 0, buffer->length);
-
-  RESAMPLE_DEBUG ("pushthrough %u", buffer->length);
-
-  audioresample_buffer_queue_push (r->queue, buffer);
-}
-
-void
-resample_input_eos (ResampleState * r)
-{
-  RESAMPLE_DEBUG ("EOS");
-  resample_input_pushthrough (r);
-  r->eos = 1;
-}
-
-int
-resample_get_output_size_for_input (ResampleState * r, int size)
-{
-  int outsize;
-  double outd;
-  int avail;
-  int filter_bytes;
-  int buffer_filled;
-
-  if (r->sample_size == 0)
-    return 0;
-
-  filter_bytes = r->filter_length * r->sample_size;
-  buffer_filled = filter_bytes / 2 - r->buffer_filled / 2;
-
-  avail =
-      audioresample_buffer_queue_get_depth (r->queue) + size - buffer_filled;
-
-  RESAMPLE_DEBUG ("avail %d, o_rate %f, i_rate %f, filter_bytes %d, filled %d",
-      avail, r->o_rate, r->i_rate, filter_bytes, buffer_filled);
-  if (avail <= 0)
-    return 0;
-
-  outd = (double) avail *r->o_rate / r->i_rate;
-
-  outsize = (int) floor (outd);
-
-  /* round off for sample size */
-  outsize -= outsize % r->sample_size;
-
-  return outsize;
-}
-
-int
-resample_get_input_size_for_output (ResampleState * r, int size)
-{
-  int outsize;
-  double outd;
-  int avail;
-
-  if (r->sample_size == 0)
-    return 0;
-
-  avail = size;
-
-  RESAMPLE_DEBUG ("size %d, o_rate %f, i_rate %f", avail, r->o_rate, r->i_rate);
-  outd = (double) avail *r->i_rate / r->o_rate;
-
-  outsize = (int) ceil (outd);
-
-  /* round off for sample size */
-  outsize -= outsize % r->sample_size;
-
-  return outsize;
-}
-
-int
-resample_get_output_size (ResampleState * r)
-{
-  return resample_get_output_size_for_input (r, 0);
-}
-
-int
-resample_get_output_data (ResampleState * r, void *data, int size)
-{
-  r->o_buf = data;
-  r->o_size = size;
-
-  if (size == 0)
-    return 0;
-
-  switch (r->method) {
-    case 0:
-      resample_scale_ref (r);
-      break;
-    case 1:
-      resample_scale_functable (r);
-      break;
-    default:
-      break;
-  }
-
-  return size - r->o_size;
-}
-
-void
-resample_set_filter_length (ResampleState * r, int length)
-{
-  r->filter_length = length;
-  r->need_reinit = 1;
-}
-
-void
-resample_set_input_rate (ResampleState * r, double rate)
-{
-  r->i_rate = rate;
-  r->need_reinit = 1;
-}
-
-void
-resample_set_output_rate (ResampleState * r, double rate)
-{
-  r->o_rate = rate;
-  r->need_reinit = 1;
-}
-
-void
-resample_set_n_channels (ResampleState * r, int n_channels)
-{
-  r->n_channels = n_channels;
-  r->sample_size = r->n_channels * resample_format_size (r->format);
-  r->need_reinit = 1;
-}
-
-void
-resample_set_format (ResampleState * r, ResampleFormat format)
-{
-  r->format = format;
-  r->sample_size = r->n_channels * resample_format_size (r->format);
-  r->need_reinit = 1;
-}
-
-void
-resample_set_method (ResampleState * r, int method)
-{
-  r->method = method;
-  r->need_reinit = 1;
-}
-
-int
-resample_format_size (ResampleFormat format)
-{
-  switch (format) {
-    case RESAMPLE_FORMAT_S16:
-      return 2;
-    case RESAMPLE_FORMAT_S32:
-    case RESAMPLE_FORMAT_F32:
-      return 4;
-    case RESAMPLE_FORMAT_F64:
-      return 8;
-  }
-  return 0;
-}

gst/legacyresample/resample.h

@@ -1,131 +0,0 @@
-/* Resampling library
- * Copyright (C) <2001> David Schleef <ds@schleef.org>
- *
- * 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 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 __RESAMPLE_H__
-#define __RESAMPLE_H__
-
-#include "functable.h"
-#include "buffer.h"
-
-#ifndef M_PI
-#define M_PI  3.14159265358979323846
-#endif
-
-#ifdef WIN32
-#define rint(x) (floor((x)+0.5))  
-#endif 
-
-typedef enum {
-        RESAMPLE_FORMAT_S16 = 0,
-        RESAMPLE_FORMAT_S32,
-        RESAMPLE_FORMAT_F32,
-        RESAMPLE_FORMAT_F64
-} ResampleFormat;
-
-typedef void (*ResampleCallback) (void *);
-
-typedef struct _ResampleState ResampleState;
-
-struct _ResampleState {
-        /* parameters */
-
-        int n_channels;
-        ResampleFormat format;
-
-        int filter_length;
-
-        double i_rate;
-        double o_rate;
-
-        int method;
-
-        /* internal parameters */
-
-        int need_reinit;
-
-        double halftaps;
-
-        /* filter state */
-
-        unsigned char *o_buf;
-        int o_size;
-
-        AudioresampleBufferQueue *queue;
-        int eos;
-        int started;
-
-        int sample_size;
-
-        unsigned char *buffer;
-        int buffer_len;
-        int buffer_filled;
-
-        double i_start;
-        double o_start;
-
-        double i_inc;
-        double o_inc;
-
-        double sinc_scale;
-
-        double i_end;
-        double o_end;
-
-        int i_samples;
-        int o_samples;
-
-        //void *i_buf;
-
-        Functable *ft;
-
-        double *out_tmp;
-};
-
-void resample_init (void);
-void resample_cleanup (void);
-
-ResampleState *resample_new (void);
-void resample_free (ResampleState *state);
-
-void resample_add_input_data (ResampleState * r, void *data, int size,
-    ResampleCallback free_func, void *closure);
-void resample_input_eos (ResampleState *r);
-void resample_input_flush (ResampleState *r);
-void resample_input_pushthrough (ResampleState *r);
-
-int resample_get_output_size_for_input (ResampleState * r, int size);
-int resample_get_input_size_for_output (ResampleState * r, int size);
-
-int resample_get_output_size (ResampleState *r);
-int resample_get_output_data (ResampleState *r, void *data, int size);
-
-void resample_set_filter_length (ResampleState *r, int length);
-void resample_set_input_rate (ResampleState *r, double rate);
-void resample_set_output_rate (ResampleState *r, double rate);
-void resample_set_n_channels (ResampleState *r, int n_channels);
-void resample_set_format (ResampleState *r, ResampleFormat format);
-void resample_set_method (ResampleState *r, int method);
-int resample_format_size (ResampleFormat format);
-
-void resample_scale_ref (ResampleState * r);
-void resample_scale_functable (ResampleState * r);
-
-#endif /* __RESAMPLE_H__ */
-

gst/legacyresample/resample_functable.c

@@ -1,274 +0,0 @@
-/* Resampling library
- * Copyright (C) <2001> David A. Schleef <ds@schleef.org>
- *
- * 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 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 <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits.h>
-
-#include <gst/math-compat.h>
-
-#include "_stdint.h"
-
-#include "resample.h"
-#include "buffer.h"
-#include "debug.h"
-
-static void
-func_sinc (double *fx, double *dfx, double x, void *closure)
-{
-  //double scale = *(double *)closure;
-  double scale = M_PI;
-
-  if (x == 0) {
-    *fx = 1;
-    *dfx = 0;
-    return;
-  }
-
-  x *= scale;
-  *fx = sin (x) / x;
-  *dfx = scale * (cos (x) - sin (x) / x) / x;
-}
-
-static void
-func_hanning (double *fx, double *dfx, double x, void *closure)
-{
-  double width = *(double *) closure;
-
-  if (x < width && x > -width) {
-    x /= width;
-    *fx = (1 - x * x) * (1 - x * x);
-    *dfx = -2 * 2 * x / width * (1 - x * x);
-  } else {
-    *fx = 0;
-    *dfx = 0;
-  }
-}
-
-#if 0
-static double
-resample_sinc_window (double x, double halfwidth, double scale)
-{
-  double y;
-
-  if (x == 0)
-    return 1.0;
-  if (x < -halfwidth || x > halfwidth)
-    return 0.0;
-
-  y = sin (x * M_PI * scale) / (x * M_PI * scale) * scale;
-
-  x /= halfwidth;
-  y *= (1 - x * x) * (1 - x * x);
-
-  return y;
-}
-#endif
-
-#if 0
-static void
-functable_test (Functable * ft, double halfwidth)
-{
-  int i;
-  double x;
-
-  for (i = 0; i < 100; i++) {
-    x = i * 0.1;
-    printf ("%d %g %g\n", i, resample_sinc_window (x, halfwidth, 1.0),
-        functable_evaluate (ft, x));
-  }
-  exit (0);
-
-}
-#endif
-
-
-void
-resample_scale_functable (ResampleState * r)
-{
-  if (r->need_reinit) {
-    double hanning_width;
-
-    RESAMPLE_DEBUG ("sample size %d", r->sample_size);
-
-    if (r->buffer)
-      free (r->buffer);
-    r->buffer_len = r->sample_size * r->filter_length;
-    r->buffer = malloc (r->buffer_len);
-    memset (r->buffer, 0, r->buffer_len);
-
-    r->i_inc = r->o_rate / r->i_rate;
-    r->o_inc = r->i_rate / r->o_rate;
-    RESAMPLE_DEBUG ("i_inc %g o_inc %g", r->i_inc, r->o_inc);
-
-    r->i_start = -r->i_inc * r->filter_length;
-
-    if (r->ft) {
-      functable_free (r->ft);
-    }
-    r->ft = functable_new ();
-    functable_set_length (r->ft, r->filter_length * 16);
-    functable_set_offset (r->ft, -r->filter_length / 2);
-    functable_set_multiplier (r->ft, 1 / 16.0);
-
-    hanning_width = r->filter_length / 2;
-    functable_calculate (r->ft, func_sinc, NULL);
-    functable_calculate_multiply (r->ft, func_hanning, &hanning_width);
-
-    //functable_test(r->ft, 0.5 * r->filter_length);
-#if 0
-    if (r->i_inc < 1.0) {
-      r->sinc_scale = r->i_inc;
-      if (r->sinc_scale == 0.5) {
-        /* strange things happen at integer multiples */
-        r->sinc_scale = 1.0;
-      }
-    } else {
-      r->sinc_scale = 1.0;
-    }
-#else
-    r->sinc_scale = 1.0;
-#endif
-
-    r->need_reinit = 0;
-  }
-
-  while (r->o_size > 0) {
-    double midpoint;
-    int i;
-    int j;
-
-    RESAMPLE_DEBUG ("i_start %g", r->i_start);
-    midpoint = r->i_start + (r->filter_length - 1) * 0.5 * r->i_inc;
-    if (midpoint > 0.5 * r->i_inc) {
-      RESAMPLE_ERROR ("inconsistent state");
-    }
-    while (midpoint < -0.5 * r->i_inc) {
-      AudioresampleBuffer *buffer;
-
-      buffer = audioresample_buffer_queue_pull (r->queue, r->sample_size);
-      if (buffer == NULL) {
-        RESAMPLE_ERROR ("buffer_queue_pull returned NULL");
-        return;
-      }
-
-      r->i_start += r->i_inc;
-      RESAMPLE_DEBUG ("pulling (i_start = %g)", r->i_start);
-
-      midpoint += r->i_inc;
-      memmove (r->buffer, r->buffer + r->sample_size,
-          r->buffer_len - r->sample_size);
-
-      memcpy (r->buffer + r->buffer_len - r->sample_size, buffer->data,
-          r->sample_size);
-      audioresample_buffer_unref (buffer);
-    }
-
-    switch (r->format) {
-      case RESAMPLE_FORMAT_S16:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(int16_t *) (r->buffer + i * sizeof (int16_t) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-          if (acc < -32768.0)
-            acc = -32768.0;
-          if (acc > 32767.0)
-            acc = 32767.0;
-
-          *(int16_t *) (r->o_buf + i * sizeof (int16_t)) = rint (acc);
-        }
-        break;
-      case RESAMPLE_FORMAT_S32:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(int32_t *) (r->buffer + i * sizeof (int32_t) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-          if (acc < -2147483648.0)
-            acc = -2147483648.0;
-          if (acc > 2147483647.0)
-            acc = 2147483647.0;
-
-          *(int32_t *) (r->o_buf + i * sizeof (int32_t)) = rint (acc);
-        }
-        break;
-      case RESAMPLE_FORMAT_F32:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(float *) (r->buffer + i * sizeof (float) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-
-          *(float *) (r->o_buf + i * sizeof (float)) = acc;
-        }
-        break;
-      case RESAMPLE_FORMAT_F64:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(double *) (r->buffer + i * sizeof (double) +
-                j * r->sample_size);
-            acc += functable_evaluate (r->ft, offset) * x;
-            //acc += resample_sinc_window (offset, r->filter_length * 0.5, r->sinc_scale) * x;
-          }
-
-          *(double *) (r->o_buf + i * sizeof (double)) = acc;
-        }
-        break;
-    }
-
-    r->i_start -= 1.0;
-    r->o_buf += r->sample_size;
-    r->o_size -= r->sample_size;
-  }
-
-}

gst/legacyresample/resample_ref.c

@@ -1,224 +0,0 @@
-/* Resampling library
- * Copyright (C) <2001> David A. Schleef <ds@schleef.org>
- *
- * 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 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 <math.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <limits.h>
-
-#include <gst/math-compat.h>
-#include "_stdint.h"
-
-#include "resample.h"
-#include "buffer.h"
-#include "debug.h"
-
-static double
-resample_sinc_window (double x, double halfwidth, double scale)
-{
-  double y;
-
-  if (x == 0)
-    return 1.0;
-  if (x < -halfwidth || x > halfwidth)
-    return 0.0;
-
-  y = sin (x * M_PI * scale) / (x * M_PI * scale) * scale;
-
-  x /= halfwidth;
-  y *= (1 - x * x) * (1 - x * x);
-
-  return y;
-}
-
-void
-resample_scale_ref (ResampleState * r)
-{
-  if (r->need_reinit) {
-    RESAMPLE_DEBUG ("sample size %d", r->sample_size);
-
-    if (r->buffer)
-      free (r->buffer);
-    r->buffer_len = r->sample_size * r->filter_length;
-    r->buffer = malloc (r->buffer_len);
-    memset (r->buffer, 0, r->buffer_len);
-    r->buffer_filled = 0;
-
-    r->i_inc = r->o_rate / r->i_rate;
-    r->o_inc = r->i_rate / r->o_rate;
-    RESAMPLE_DEBUG ("i_inc %g o_inc %g", r->i_inc, r->o_inc);
-
-    r->i_start = -r->i_inc * r->filter_length;
-
-    r->need_reinit = 0;
-
-#if 0
-    if (r->i_inc < 1.0) {
-      r->sinc_scale = r->i_inc;
-      if (r->sinc_scale == 0.5) {
-        /* strange things happen at integer multiples */
-        r->sinc_scale = 1.0;
-      }
-    } else {
-      r->sinc_scale = 1.0;
-    }
-#else
-    r->sinc_scale = 1.0;
-#endif
-  }
-
-  RESAMPLE_DEBUG ("asked to resample %d bytes", r->o_size);
-  RESAMPLE_DEBUG ("%d bytes in queue",
-      audioresample_buffer_queue_get_depth (r->queue));
-
-  while (r->o_size >= r->sample_size) {
-    double midpoint;
-    int i;
-    int j;
-
-    midpoint = r->i_start + (r->filter_length - 1) * 0.5 * r->i_inc;
-    RESAMPLE_DEBUG
-        ("still need to output %d bytes, %d input left, i_start %g, midpoint %f",
-        r->o_size, audioresample_buffer_queue_get_depth (r->queue), r->i_start,
-        midpoint);
-    if (midpoint > 0.5 * r->i_inc) {
-      RESAMPLE_ERROR ("inconsistent state");
-    }
-    while (midpoint < -0.5 * r->i_inc) {
-      AudioresampleBuffer *buffer;
-
-      RESAMPLE_DEBUG ("midpoint %f < %f, r->i_inc %f", midpoint,
-          -0.5 * r->i_inc, r->i_inc);
-      buffer = audioresample_buffer_queue_pull (r->queue, r->sample_size);
-      if (buffer == NULL) {
-        /* FIXME: for the first buffer, this isn't necessarily an error,
-         * since because of the filter length we'll output less buffers.
-         * deal with that so we don't print to console */
-        RESAMPLE_ERROR ("buffer_queue_pull returned NULL");
-        return;
-      }
-
-      r->i_start += r->i_inc;
-      RESAMPLE_DEBUG ("pulling (i_start = %g)", r->i_start);
-
-      midpoint += r->i_inc;
-      memmove (r->buffer, r->buffer + r->sample_size,
-          r->buffer_len - r->sample_size);
-
-      memcpy (r->buffer + r->buffer_len - r->sample_size, buffer->data,
-          r->sample_size);
-      r->buffer_filled = MIN (r->buffer_filled + r->sample_size, r->buffer_len);
-
-      audioresample_buffer_unref (buffer);
-    }
-
-    switch (r->format) {
-      case RESAMPLE_FORMAT_S16:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(int16_t *) (r->buffer + i * sizeof (int16_t) +
-                j * r->sample_size);
-            acc +=
-                resample_sinc_window (offset, r->filter_length * 0.5,
-                r->sinc_scale) * x;
-          }
-          if (acc < -32768.0)
-            acc = -32768.0;
-          if (acc > 32767.0)
-            acc = 32767.0;
-
-          *(int16_t *) (r->o_buf + i * sizeof (int16_t)) = rint (acc);
-        }
-        break;
-      case RESAMPLE_FORMAT_S32:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(int32_t *) (r->buffer + i * sizeof (int32_t) +
-                j * r->sample_size);
-            acc +=
-                resample_sinc_window (offset, r->filter_length * 0.5,
-                r->sinc_scale) * x;
-          }
-          if (acc < -2147483648.0)
-            acc = -2147483648.0;
-          if (acc > 2147483647.0)
-            acc = 2147483647.0;
-
-          *(int32_t *) (r->o_buf + i * sizeof (int32_t)) = rint (acc);
-        }
-        break;
-      case RESAMPLE_FORMAT_F32:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(float *) (r->buffer + i * sizeof (float) +
-                j * r->sample_size);
-            acc +=
-                resample_sinc_window (offset, r->filter_length * 0.5,
-                r->sinc_scale) * x;
-          }
-
-          *(float *) (r->o_buf + i * sizeof (float)) = acc;
-        }
-        break;
-      case RESAMPLE_FORMAT_F64:
-        for (i = 0; i < r->n_channels; i++) {
-          double acc = 0;
-          double offset;
-          double x;
-
-          for (j = 0; j < r->filter_length; j++) {
-            offset = (r->i_start + j * r->i_inc) * r->o_inc;
-            x = *(double *) (r->buffer + i * sizeof (double) +
-                j * r->sample_size);
-            acc +=
-                resample_sinc_window (offset, r->filter_length * 0.5,
-                r->sinc_scale) * x;
-          }
-
-          *(double *) (r->o_buf + i * sizeof (double)) = acc;
-        }
-        break;
-    }
-
-    r->i_start -= 1.0;
-    r->o_buf += r->sample_size;
-    r->o_size -= r->sample_size;
-  }
-}

tests/check/Makefile.am

@@ -193,7 +193,6 @@ check_PROGRAMS = \
 	elements/baseaudiovisualizer \
 	elements/camerabin \
 	elements/dataurisrc \
-	elements/legacyresample \
         $(check_jifmux) \
 	elements/jpegparse \
 	$(check_logoinsert) \
@@ -286,13 +285,6 @@ elements_faac_LDADD = \
 	$(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) $(LDADD) \
 	-lgstaudio-@GST_API_VERSION@
 
-elements_legacyresample_CFLAGS = \
-	$(GST_PLUGINS_BASE_CFLAGS) \
-	$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS)
-elements_legacyresample_LDADD = \
-	$(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS) $(LDADD) \
-	-lgstaudio-@GST_API_VERSION@
-
 elements_voaacenc_CFLAGS = \
 	$(GST_PLUGINS_BASE_CFLAGS) \
 	$(GST_BASE_CFLAGS) $(GST_CFLAGS) $(AM_CFLAGS)

tests/check/elements/legacyresample.c

@@ -1,574 +0,0 @@
-/* GStreamer
- *
- * unit test for legacyresample
- *
- * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
- * Copyright (C) <2006> Tim-Philipp Müller <tim at centricular 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.
- */
-
-#include <unistd.h>
-
-#include <gst/check/gstcheck.h>
-#include <gst/audio/audio.h>
-
-/* For ease of programming we use globals to keep refs for our floating
- * src and sink pads we create; otherwise we always have to do get_pad,
- * get_peer, and then remove references in every test function */
-static GstPad *mysrcpad, *mysinkpad;
-
-
-#define RESAMPLE_CAPS_TEMPLATE_STRING   \
-    "audio/x-raw, "                     \
-    "format = (string) " GST_AUDIO_NE (S16) ", "     \
-    "channels = (int) [ 1, MAX ], "     \
-    "rate = (int) [ 1,  MAX ]"
-
-static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS (RESAMPLE_CAPS_TEMPLATE_STRING)
-    );
-static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS (RESAMPLE_CAPS_TEMPLATE_STRING)
-    );
-
-static GstElement *
-setup_legacyresample (int channels, int inrate, int outrate)
-{
-  GstElement *legacyresample;
-  GstCaps *caps;
-  GstStructure *structure;
-
-  GST_DEBUG ("setup_legacyresample");
-  legacyresample = gst_check_setup_element ("legacyresample");
-
-  caps = gst_caps_from_string (RESAMPLE_CAPS_TEMPLATE_STRING);
-  structure = gst_caps_get_structure (caps, 0);
-  gst_structure_set (structure, "channels", G_TYPE_INT, channels,
-      "rate", G_TYPE_INT, inrate, NULL);
-  fail_unless (gst_caps_is_fixed (caps));
-
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_PAUSED) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to paused");
-
-  mysrcpad = gst_check_setup_src_pad (legacyresample, &srctemplate);
-  gst_pad_set_active (mysrcpad, TRUE);
-  fail_unless (gst_pad_set_caps (mysrcpad, caps));
-  gst_caps_unref (caps);
-
-  caps = gst_caps_from_string (RESAMPLE_CAPS_TEMPLATE_STRING);
-  structure = gst_caps_get_structure (caps, 0);
-  gst_structure_set (structure, "channels", G_TYPE_INT, channels,
-      "rate", G_TYPE_INT, outrate, NULL);
-  fail_unless (gst_caps_is_fixed (caps));
-
-  mysinkpad = gst_check_setup_sink_pad (legacyresample, &sinktemplate);
-  gst_pad_set_active (mysinkpad, TRUE);
-  /* this installs a getcaps func that will always return the caps we set
-   * later */
-  fail_unless (gst_pad_set_caps (mysinkpad, caps));
-  gst_pad_use_fixed_caps (mysinkpad);
-  gst_caps_unref (caps);
-
-  return legacyresample;
-}
-
-static void
-cleanup_legacyresample (GstElement * legacyresample)
-{
-  GST_DEBUG ("cleanup_legacyresample");
-
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to NULL");
-
-  gst_pad_set_active (mysrcpad, FALSE);
-  gst_pad_set_active (mysinkpad, FALSE);
-  gst_check_teardown_src_pad (legacyresample);
-  gst_check_teardown_sink_pad (legacyresample);
-  gst_check_teardown_element (legacyresample);
-}
-
-static void
-fail_unless_perfect_stream (void)
-{
-  guint64 timestamp = 0L, duration = 0L;
-  guint64 offset = 0L, offset_end = 0L;
-
-  GList *l;
-  GstBuffer *buffer;
-
-  for (l = buffers; l; l = l->next) {
-    buffer = GST_BUFFER (l->data);
-    ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
-    GST_DEBUG ("buffer timestamp %" G_GUINT64_FORMAT ", duration %"
-        G_GUINT64_FORMAT " offset %" G_GUINT64_FORMAT " offset_end %"
-        G_GUINT64_FORMAT,
-        GST_BUFFER_TIMESTAMP (buffer),
-        GST_BUFFER_DURATION (buffer),
-        GST_BUFFER_OFFSET (buffer), GST_BUFFER_OFFSET_END (buffer));
-
-    fail_unless_equals_uint64 (timestamp, GST_BUFFER_TIMESTAMP (buffer));
-    fail_unless_equals_uint64 (offset, GST_BUFFER_OFFSET (buffer));
-    duration = GST_BUFFER_DURATION (buffer);
-    offset_end = GST_BUFFER_OFFSET_END (buffer);
-
-    timestamp += duration;
-    offset = offset_end;
-    gst_buffer_unref (buffer);
-  }
-  g_list_free (buffers);
-  buffers = NULL;
-}
-
-/* this tests that the output is a perfect stream if the input is */
-static void
-test_perfect_stream_instance (int inrate, int outrate, int samples,
-    int numbuffers)
-{
-  GstElement *legacyresample;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  guint64 offset = 0;
-
-  int i, j;
-  gint16 *p;
-
-  legacyresample = setup_legacyresample (2, inrate, outrate);
-  caps = gst_pad_get_current_caps (mysrcpad);
-  fail_unless (gst_caps_is_fixed (caps));
-
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  for (j = 1; j <= numbuffers; ++j) {
-    GstMapInfo map;
-
-    inbuffer = gst_buffer_new_and_alloc (samples * 4);
-    GST_BUFFER_DURATION (inbuffer) = samples * GST_SECOND / inrate;
-    GST_BUFFER_TIMESTAMP (inbuffer) = GST_BUFFER_DURATION (inbuffer) * (j - 1);
-    GST_BUFFER_OFFSET (inbuffer) = offset;
-    offset += samples;
-    GST_BUFFER_OFFSET_END (inbuffer) = offset;
-
-    gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
-    p = (gint16 *) map.data;
-
-    /* create a 16 bit signed ramp */
-    for (i = 0; i < samples; ++i) {
-      *p = -32767 + i * (65535 / samples);
-      ++p;
-      *p = -32767 + i * (65535 / samples);
-      ++p;
-    }
-    gst_buffer_unmap (inbuffer, &map);
-
-    /* pushing gives away my reference ... */
-    fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-    /* ... but it ends up being collected on the global buffer list */
-    fail_unless_equals_int (g_list_length (buffers), j);
-  }
-
-  /* FIXME: we should make legacyresample handle eos by flushing out the last
-   * samples, which will give us one more, small, buffer */
-  fail_if ((outbuffer = (GstBuffer *) buffers->data) == NULL);
-  ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
-
-  fail_unless_perfect_stream ();
-
-  /* cleanup */
-  gst_caps_unref (caps);
-  cleanup_legacyresample (legacyresample);
-}
-
-
-/* make sure that outgoing buffers are contiguous in timestamp/duration and
- * offset/offsetend
- */
-GST_START_TEST (test_perfect_stream)
-{
-  /* integral scalings */
-  test_perfect_stream_instance (48000, 24000, 500, 20);
-  test_perfect_stream_instance (48000, 12000, 500, 20);
-  test_perfect_stream_instance (12000, 24000, 500, 20);
-  test_perfect_stream_instance (12000, 48000, 500, 20);
-
-  /* non-integral scalings */
-  test_perfect_stream_instance (44100, 8000, 500, 20);
-  test_perfect_stream_instance (8000, 44100, 500, 20);
-
-  /* wacky scalings */
-  test_perfect_stream_instance (12345, 54321, 500, 20);
-  test_perfect_stream_instance (101, 99, 500, 20);
-}
-
-GST_END_TEST;
-
-/* this tests that the output is a correct discontinuous stream
- * if the input is; ie input drops in time come out the same way */
-static void
-test_discont_stream_instance (int inrate, int outrate, int samples,
-    int numbuffers)
-{
-  GstElement *legacyresample;
-  GstBuffer *inbuffer, *outbuffer;
-  GstCaps *caps;
-  GstClockTime ints;
-
-  int i, j;
-  gint16 *p;
-
-  GST_DEBUG ("inrate:%d outrate:%d samples:%d numbuffers:%d",
-      inrate, outrate, samples, numbuffers);
-
-  legacyresample = setup_legacyresample (2, inrate, outrate);
-  caps = gst_pad_get_current_caps (mysrcpad);
-  fail_unless (gst_caps_is_fixed (caps));
-
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  for (j = 1; j <= numbuffers; ++j) {
-    GstMapInfo map;
-
-    inbuffer = gst_buffer_new_and_alloc (samples * 4);
-    GST_BUFFER_DURATION (inbuffer) = samples * GST_SECOND / inrate;
-    /* "drop" half the buffers */
-    ints = GST_BUFFER_DURATION (inbuffer) * 2 * (j - 1);
-    GST_BUFFER_TIMESTAMP (inbuffer) = ints;
-    GST_BUFFER_OFFSET (inbuffer) = (j - 1) * 2 * samples;
-    GST_BUFFER_OFFSET_END (inbuffer) = j * 2 * samples + samples;
-
-    gst_buffer_map (inbuffer, &map, GST_MAP_WRITE);
-    p = (gint16 *) map.data;
-
-    /* create a 16 bit signed ramp */
-    for (i = 0; i < samples; ++i) {
-      *p = -32767 + i * (65535 / samples);
-      ++p;
-      *p = -32767 + i * (65535 / samples);
-      ++p;
-    }
-    gst_buffer_unmap (inbuffer, &map);
-
-    GST_DEBUG ("Sending Buffer time:%" G_GUINT64_FORMAT " duration:%"
-        G_GINT64_FORMAT " discont:%d offset:%" G_GUINT64_FORMAT " offset_end:%"
-        G_GUINT64_FORMAT, GST_BUFFER_TIMESTAMP (inbuffer),
-        GST_BUFFER_DURATION (inbuffer), GST_BUFFER_IS_DISCONT (inbuffer),
-        GST_BUFFER_OFFSET (inbuffer), GST_BUFFER_OFFSET_END (inbuffer));
-    /* pushing gives away my reference ... */
-    fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-
-    /* check if the timestamp of the pushed buffer matches the incoming one */
-    outbuffer = g_list_nth_data (buffers, g_list_length (buffers) - 1);
-    fail_if (outbuffer == NULL);
-    fail_unless_equals_uint64 (ints, GST_BUFFER_TIMESTAMP (outbuffer));
-    GST_DEBUG ("Got Buffer time:%" G_GUINT64_FORMAT " duration:%"
-        G_GINT64_FORMAT " discont:%d offset:%" G_GUINT64_FORMAT " offset_end:%"
-        G_GUINT64_FORMAT, GST_BUFFER_TIMESTAMP (outbuffer),
-        GST_BUFFER_DURATION (outbuffer), GST_BUFFER_IS_DISCONT (outbuffer),
-        GST_BUFFER_OFFSET (outbuffer), GST_BUFFER_OFFSET_END (outbuffer));
-    if (j > 1) {
-      fail_unless (GST_BUFFER_IS_DISCONT (outbuffer),
-          "expected discont for buffer #%d", j);
-    }
-  }
-
-  /* cleanup */
-  gst_caps_unref (caps);
-  cleanup_legacyresample (legacyresample);
-}
-
-GST_START_TEST (test_discont_stream)
-{
-  /* integral scalings */
-  test_discont_stream_instance (48000, 24000, 500, 20);
-  test_discont_stream_instance (48000, 12000, 500, 20);
-  test_discont_stream_instance (12000, 24000, 500, 20);
-  test_discont_stream_instance (12000, 48000, 500, 20);
-
-  /* non-integral scalings */
-  test_discont_stream_instance (44100, 8000, 500, 20);
-  test_discont_stream_instance (8000, 44100, 500, 20);
-
-  /* wacky scalings */
-  test_discont_stream_instance (12345, 54321, 500, 20);
-  test_discont_stream_instance (101, 99, 500, 20);
-}
-
-GST_END_TEST;
-
-
-
-GST_START_TEST (test_reuse)
-{
-  GstElement *legacyresample;
-  GstEvent *newseg;
-  GstBuffer *inbuffer;
-  GstCaps *caps;
-  GstSegment seg;
-
-  legacyresample = setup_legacyresample (1, 9343, 48000);
-  caps = gst_pad_get_current_caps (mysrcpad);
-  fail_unless (gst_caps_is_fixed (caps));
-
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  gst_segment_init (&seg, GST_FORMAT_TIME);
-  newseg = gst_event_new_segment (&seg);
-  fail_unless (gst_pad_push_event (mysrcpad, newseg) != FALSE);
-
-  inbuffer = gst_buffer_new_and_alloc (9343 * 4);
-  gst_buffer_memset (inbuffer, 0, 0, -1);
-  GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
-  GST_BUFFER_TIMESTAMP (inbuffer) = 0;
-  GST_BUFFER_OFFSET (inbuffer) = 0;
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-
-  /* ... but it ends up being collected on the global buffer list */
-  fail_unless_equals_int (g_list_length (buffers), 1);
-
-  /* now reset and try again ... */
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_NULL) == GST_STATE_CHANGE_SUCCESS, "could not set to NULL");
-
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  gst_segment_init (&seg, GST_FORMAT_TIME);
-  newseg = gst_event_new_segment (&seg);
-  fail_unless (gst_pad_push_event (mysrcpad, newseg) != FALSE);
-
-  inbuffer = gst_buffer_new_and_alloc (9343 * 4);
-  gst_buffer_memset (inbuffer, 0, 0, -1);
-  GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
-  GST_BUFFER_TIMESTAMP (inbuffer) = 0;
-  GST_BUFFER_OFFSET (inbuffer) = 0;
-
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-
-  /* ... it also ends up being collected on the global buffer list. If we
-   * now have more than 2 buffers, then legacyresample probably didn't clean
-   * up its internal buffer properly and tried to push the remaining samples
-   * when it got the second NEWSEGMENT event */
-  fail_unless_equals_int (g_list_length (buffers), 2);
-
-  cleanup_legacyresample (legacyresample);
-  gst_caps_unref (caps);
-}
-
-GST_END_TEST;
-
-GST_START_TEST (test_shutdown)
-{
-  GstElement *pipeline, *src, *cf1, *ar, *cf2, *sink;
-  GstCaps *caps;
-  guint i;
-
-  /* create pipeline, force legacyresample to actually resample */
-  pipeline = gst_pipeline_new (NULL);
-
-  src = gst_check_setup_element ("audiotestsrc");
-  cf1 = gst_check_setup_element ("capsfilter");
-  ar = gst_check_setup_element ("legacyresample");
-  cf2 = gst_check_setup_element ("capsfilter");
-  g_object_set (cf2, "name", "capsfilter2", NULL);
-  sink = gst_check_setup_element ("fakesink");
-
-  caps =
-      gst_caps_new_simple ("audio/x-raw-int", "rate", G_TYPE_INT, 11025, NULL);
-  g_object_set (cf1, "caps", caps, NULL);
-  gst_caps_unref (caps);
-
-  caps =
-      gst_caps_new_simple ("audio/x-raw-int", "rate", G_TYPE_INT, 48000, NULL);
-  g_object_set (cf2, "caps", caps, NULL);
-  gst_caps_unref (caps);
-
-  /* don't want to sync against the clock, the more throughput the better */
-  g_object_set (src, "is-live", FALSE, NULL);
-  g_object_set (sink, "sync", FALSE, NULL);
-
-  gst_bin_add_many (GST_BIN (pipeline), src, cf1, ar, cf2, sink, NULL);
-  fail_if (!gst_element_link_many (src, cf1, ar, cf2, sink, NULL));
-
-  /* now, wait until pipeline is running and then shut it down again; repeat */
-  for (i = 0; i < 20; ++i) {
-    gst_element_set_state (pipeline, GST_STATE_PAUSED);
-    gst_element_get_state (pipeline, NULL, NULL, -1);
-    gst_element_set_state (pipeline, GST_STATE_PLAYING);
-    g_usleep (100);
-    gst_element_set_state (pipeline, GST_STATE_NULL);
-  }
-
-  gst_object_unref (pipeline);
-}
-
-GST_END_TEST;
-
-#if 0
-static GstFlowReturn
-live_switch_alloc_only_48000 (GstPad * pad, guint64 offset,
-    guint size, GstCaps * caps, GstBuffer ** buf)
-{
-  GstStructure *structure;
-  gint rate;
-  gint channels;
-  GstCaps *desired;
-
-  structure = gst_caps_get_structure (caps, 0);
-  fail_unless (gst_structure_get_int (structure, "rate", &rate));
-  fail_unless (gst_structure_get_int (structure, "channels", &channels));
-
-  if (rate < 48000)
-    return GST_FLOW_NOT_NEGOTIATED;
-
-  desired = gst_caps_copy (caps);
-  gst_caps_set_simple (desired, "rate", G_TYPE_INT, 48000, NULL);
-
-  *buf = gst_buffer_new_and_alloc (channels * 48000);
-  gst_buffer_set_caps (*buf, desired);
-  gst_caps_unref (desired);
-
-  return GST_FLOW_OK;
-}
-
-static GstCaps *
-live_switch_get_sink_caps (GstPad * pad)
-{
-  GstCaps *result;
-
-  result = gst_caps_copy (GST_PAD_CAPS (pad));
-
-  gst_caps_set_simple (result,
-      "rate", GST_TYPE_INT_RANGE, 48000, G_MAXINT, NULL);
-
-  return result;
-}
-
-static void
-live_switch_push (int rate, GstCaps * caps)
-{
-  GstBuffer *inbuffer;
-  GstCaps *desired;
-  GList *l;
-
-  desired = gst_caps_copy (caps);
-  gst_caps_set_simple (desired, "rate", G_TYPE_INT, rate, NULL);
-
-  fail_unless (gst_pad_alloc_buffer_and_set_caps (mysrcpad,
-          GST_BUFFER_OFFSET_NONE, rate * 4, desired, &inbuffer) == GST_FLOW_OK);
-
-  /* When the basetransform hits the non-configured case it always
-   * returns a buffer with exactly the same caps as we requested so the actual
-   * renegotiation (if needed) will be done in the _chain*/
-  fail_unless (inbuffer != NULL);
-  fail_unless (gst_caps_is_equal (desired, GST_BUFFER_CAPS (inbuffer)));
-
-  gst_buffer_memset (inbuffer, 0, 0, -1);
-  GST_BUFFER_DURATION (inbuffer) = GST_SECOND;
-  GST_BUFFER_TIMESTAMP (inbuffer) = 0;
-  GST_BUFFER_OFFSET (inbuffer) = 0;
-
-  /* pushing gives away my reference ... */
-  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
-
-  /* ... but it ends up being collected on the global buffer list */
-  fail_unless_equals_int (g_list_length (buffers), 1);
-
-  for (l = buffers; l; l = l->next) {
-    GstBuffer *buffer = GST_BUFFER (l->data);
-
-    gst_buffer_unref (buffer);
-  }
-
-  g_list_free (buffers);
-  buffers = NULL;
-
-  gst_caps_unref (desired);
-}
-
-GST_START_TEST (test_live_switch)
-{
-  GstElement *legacyresample;
-  GstEvent *newseg;
-  GstCaps *caps;
-
-  legacyresample = setup_legacyresample (4, 48000, 48000);
-
-  /* Let the sinkpad act like something that can only handle things of
-   * rate 48000- and can only allocate buffers for that rate, but if someone
-   * tries to get a buffer with a rate higher then 48000 tries to renegotiate
-   * */
-  gst_pad_set_bufferalloc_function (mysinkpad, live_switch_alloc_only_48000);
-  gst_pad_set_getcaps_function (mysinkpad, live_switch_get_sink_caps);
-
-  caps = gst_pad_get_negotiated_caps (mysrcpad);
-  fail_unless (gst_caps_is_fixed (caps));
-
-  fail_unless (gst_element_set_state (legacyresample,
-          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
-      "could not set to playing");
-
-  newseg = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_TIME, 0, -1, 0);
-  fail_unless (gst_pad_push_event (mysrcpad, newseg) != FALSE);
-
-  /* downstream can provide the requested rate, a buffer alloc will be passed
-   * on */
-  live_switch_push (48000, caps);
-
-  /* Downstream can never accept this rate, buffer alloc isn't passed on */
-  live_switch_push (40000, caps);
-
-  /* Downstream can provide the requested rate but will re-negotiate */
-  live_switch_push (50000, caps);
-
-  cleanup_legacyresample (legacyresample);
-  gst_caps_unref (caps);
-}
-
-GST_END_TEST
-#endif
-static Suite *
-legacyresample_suite (void)
-{
-  Suite *s = suite_create ("legacyresample");
-  TCase *tc_chain = tcase_create ("general");
-
-  suite_add_tcase (s, tc_chain);
-  tcase_add_test (tc_chain, test_perfect_stream);
-  tcase_add_test (tc_chain, test_discont_stream);
-  tcase_add_test (tc_chain, test_reuse);
-  tcase_add_test (tc_chain, test_shutdown);
-#if 0
-  tcase_add_test (tc_chain, test_live_switch);
-#endif
-
-  return s;
-}
-
-GST_CHECK_MAIN (legacyresample);