1 files changed, 0 insertions, 444 deletions

diff --git a/gst/tta/gstttadec.c b/gst/tta/gstttadec.c
deleted file mode 100644
index 1aa9d95f1..000000000
--- a/gst/tta/gstttadec.c
+++ /dev/null
@@ -1,444 +0,0 @@
-/* GStreamer TTA plugin
- * (c) 2004 Arwed v. Merkatz <v.merkatz@gmx.net>
- *
- * based on ttalib
- * (c) 1999-2004 Alexander Djourik <sasha@iszf.irk.ru>
- * 
- * gstttadec.c: raw TTA bitstream decoder
- *
- * 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., 51 Franklin St, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#include <gst/gst.h>
-
-#include <math.h>
-#include <string.h>
-
-#include "gstttadec.h"
-#include "ttadec.h"
-#include "filters.h"
-
-#define TTA_BUFFER_SIZE (1024 * 32 * 8)
-
-/* this is from ttadec.h originally */
-
-static const unsigned long bit_mask[] = {
-  0x00000000, 0x00000001, 0x00000003, 0x00000007,
-  0x0000000f, 0x0000001f, 0x0000003f, 0x0000007f,
-  0x000000ff, 0x000001ff, 0x000003ff, 0x000007ff,
-  0x00000fff, 0x00001fff, 0x00003fff, 0x00007fff,
-  0x0000ffff, 0x0001ffff, 0x0003ffff, 0x0007ffff,
-  0x000fffff, 0x001fffff, 0x003fffff, 0x007fffff,
-  0x00ffffff, 0x01ffffff, 0x03ffffff, 0x07ffffff,
-  0x0fffffff, 0x1fffffff, 0x3fffffff, 0x7fffffff,
-  0xffffffff
-};
-
-static const unsigned long bit_shift[] = {
-  0x00000001, 0x00000002, 0x00000004, 0x00000008,
-  0x00000010, 0x00000020, 0x00000040, 0x00000080,
-  0x00000100, 0x00000200, 0x00000400, 0x00000800,
-  0x00001000, 0x00002000, 0x00004000, 0x00008000,
-  0x00010000, 0x00020000, 0x00040000, 0x00080000,
-  0x00100000, 0x00200000, 0x00400000, 0x00800000,
-  0x01000000, 0x02000000, 0x04000000, 0x08000000,
-  0x10000000, 0x20000000, 0x40000000, 0x80000000,
-  0x80000000, 0x80000000, 0x80000000, 0x80000000,
-  0x80000000, 0x80000000, 0x80000000, 0x80000000
-};
-
-static const unsigned long *shift_16 = bit_shift + 4;
-
-/* Filter signals and args */
-enum
-{
-  LAST_SIGNAL
-};
-
-enum
-{
-  PROP_0
-};
-
-static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-tta, "
-        "width = (int) { 8, 16, 24 }, "
-        "channels = (int) { 1, 2 }, " "rate = (int) [ 8000, 96000 ]")
-    );
-
-static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw-int, "
-        "width = (int) { 8, 16, 24 }, "
-        "depth = (int) { 8, 16, 24 }, "
-        "channels = (int) { 1, 2 }, "
-        "rate = (int) [ 8000, 96000 ], "
-        "endianness = (int) BYTE_ORDER, " "signed = (boolean) true")
-    );
-
-static void gst_tta_dec_class_init (GstTtaDecClass * klass);
-static void gst_tta_dec_base_init (GstTtaDecClass * klass);
-static void gst_tta_dec_init (GstTtaDec * ttadec);
-
-static GstFlowReturn gst_tta_dec_chain (GstPad * pad, GstBuffer * in);
-
-static GstElementClass *parent = NULL;
-
-static gboolean
-gst_tta_dec_setcaps (GstPad * pad, GstCaps * caps)
-{
-  GstTtaDec *ttadec = GST_TTA_DEC (gst_pad_get_parent (pad));
-  GstStructure *structure = gst_caps_get_structure (caps, 0);
-  GstCaps *srccaps;
-  gint bits, channels;
-  gint32 samplerate;
-
-//  if (!gst_caps_is_fixed (caps))
-//    return GST_PAD_LINK_DELAYED;
-
-  gst_structure_get_int (structure, "rate", &samplerate);
-  ttadec->samplerate = (guint32) samplerate;
-  gst_structure_get_int (structure, "channels", &channels);
-  ttadec->channels = (guint) channels;
-  gst_structure_get_int (structure, "width", &bits);
-  ttadec->bytes = bits / 8;
-
-  srccaps = gst_caps_new_simple ("audio/x-raw-int",
-      "rate", G_TYPE_INT, ttadec->samplerate,
-      "channels", G_TYPE_INT, ttadec->channels,
-      "depth", G_TYPE_INT, bits,
-      "width", G_TYPE_INT, bits,
-      "endianness", G_TYPE_INT, G_BYTE_ORDER,
-      "signed", G_TYPE_BOOLEAN, TRUE, NULL);
-
-  if (!gst_pad_set_caps (ttadec->srcpad, srccaps))
-    return FALSE;
-
-  ttadec->frame_length = FRAME_TIME * ttadec->samplerate;
-
-  ttadec->tta = g_malloc (ttadec->channels * sizeof (decoder));
-  ttadec->cache = g_malloc (ttadec->channels * sizeof (long));
-
-  ttadec->decdata =
-      (guchar *) g_malloc (ttadec->channels * ttadec->frame_length *
-      ttadec->bytes * sizeof (guchar));
-
-  return TRUE;
-}
-
-GType
-gst_tta_dec_get_type (void)
-{
-  static GType plugin_type = 0;
-
-  if (!plugin_type) {
-    static const GTypeInfo plugin_info = {
-      sizeof (GstTtaDecClass),
-      (GBaseInitFunc) gst_tta_dec_base_init,
-      NULL,
-      (GClassInitFunc) gst_tta_dec_class_init,
-      NULL,
-      NULL,
-      sizeof (GstTtaDec),
-      0,
-      (GInstanceInitFunc) gst_tta_dec_init,
-    };
-    plugin_type = g_type_register_static (GST_TYPE_ELEMENT,
-        "GstTtaDec", &plugin_info, 0);
-  }
-  return plugin_type;
-}
-
-static void
-gst_tta_dec_base_init (GstTtaDecClass * klass)
-{
-
-  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
-
-  gst_element_class_add_static_pad_template (element_class, &src_factory);
-  gst_element_class_add_static_pad_template (element_class, &sink_factory);
-  gst_element_class_set_static_metadata (element_class, "TTA audio decoder",
-      "Codec/Decoder/Audio",
-      "Decode TTA audio data", "Arwed v. Merkatz <v.merkatz@gmx.net>");
-}
-
-static void
-gst_tta_dec_dispose (GObject * object)
-{
-  GstTtaDec *ttadec = GST_TTA_DEC (object);
-
-  g_free (ttadec->tta);
-  g_free (ttadec->decdata);
-  g_free (ttadec->tta_buf.buffer);
-
-  G_OBJECT_CLASS (parent)->dispose (object);
-}
-
-static void
-gst_tta_dec_class_init (GstTtaDecClass * klass)
-{
-  GObjectClass *gobject_class;
-
-  gobject_class = (GObjectClass *) klass;
-
-  parent = g_type_class_peek_parent (klass);
-
-  gobject_class->dispose = gst_tta_dec_dispose;
-}
-
-static void
-gst_tta_dec_init (GstTtaDec * ttadec)
-{
-  GstElementClass *klass = GST_ELEMENT_GET_CLASS (ttadec);
-
-  ttadec->sinkpad =
-      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
-          "sink"), "sink");
-  gst_pad_set_setcaps_function (ttadec->sinkpad, gst_tta_dec_setcaps);
-
-  ttadec->srcpad =
-      gst_pad_new_from_template (gst_element_class_get_pad_template (klass,
-          "src"), "src");
-  gst_pad_use_fixed_caps (ttadec->srcpad);
-
-  gst_element_add_pad (GST_ELEMENT (ttadec), ttadec->sinkpad);
-  gst_element_add_pad (GST_ELEMENT (ttadec), ttadec->srcpad);
-  gst_pad_set_chain_function (ttadec->sinkpad, gst_tta_dec_chain);
-  ttadec->tta_buf.buffer = (guchar *) g_malloc (TTA_BUFFER_SIZE + 4);
-  ttadec->tta_buf.buffer_end = ttadec->tta_buf.buffer + TTA_BUFFER_SIZE;
-}
-
-static void
-rice_init (adapt * rice, unsigned long k0, unsigned long k1)
-{
-  rice->k0 = k0;
-  rice->k1 = k1;
-  rice->sum0 = shift_16[k0];
-  rice->sum1 = shift_16[k1];
-}
-
-static void
-decoder_init (decoder * tta, long nch, long byte_size)
-{
-  long shift = flt_set[byte_size - 1];
-  long i;
-
-  for (i = 0; i < nch; i++) {
-    filter_init (&tta[i].fst, shift);
-    rice_init (&tta[i].rice, 10, 10);
-    tta[i].last = 0;
-  }
-}
-
-static void
-get_binary (tta_buffer * tta_buf, guchar * buffer, unsigned long buffersize,
-    unsigned long *value, unsigned long bits)
-{
-  while (tta_buf->bit_count < bits) {
-    if (tta_buf->bitpos == tta_buf->buffer_end) {
-      int max =
-          TTA_BUFFER_SIZE <=
-          buffersize - tta_buf->offset ? TTA_BUFFER_SIZE : buffersize -
-          tta_buf->offset;
-      memcpy (tta_buf->buffer, buffer + tta_buf->offset, max);
-      tta_buf->offset += max;
-      tta_buf->bitpos = tta_buf->buffer;
-    }
-
-    tta_buf->bit_cache |= *tta_buf->bitpos << tta_buf->bit_count;
-    tta_buf->bit_count += 8;
-    tta_buf->bitpos++;
-  }
-
-  *value = tta_buf->bit_cache & bit_mask[bits];
-  tta_buf->bit_cache >>= bits;
-  tta_buf->bit_count -= bits;
-  tta_buf->bit_cache &= bit_mask[tta_buf->bit_count];
-}
-
-static void
-get_unary (tta_buffer * tta_buf, guchar * buffer, unsigned long buffersize,
-    unsigned long *value)
-{
-  *value = 0;
-
-  while (!(tta_buf->bit_cache ^ bit_mask[tta_buf->bit_count])) {
-    if (tta_buf->bitpos == tta_buf->buffer_end) {
-      int max =
-          TTA_BUFFER_SIZE <=
-          buffersize - tta_buf->offset ? TTA_BUFFER_SIZE : buffersize -
-          tta_buf->offset;
-      memcpy (tta_buf->buffer, buffer + tta_buf->offset, max);
-      tta_buf->offset += max;
-      tta_buf->bitpos = tta_buf->buffer;
-    }
-
-    *value += tta_buf->bit_count;
-    tta_buf->bit_cache = *tta_buf->bitpos++;
-    tta_buf->bit_count = 8;
-  }
-
-  while (tta_buf->bit_cache & 1) {
-    (*value)++;
-    tta_buf->bit_cache >>= 1;
-    tta_buf->bit_count--;
-  }
-
-  tta_buf->bit_cache >>= 1;
-  tta_buf->bit_count--;
-}
-
-static GstFlowReturn
-gst_tta_dec_chain (GstPad * pad, GstBuffer * in)
-{
-  GstTtaDec *ttadec;
-  GstBuffer *outbuf, *buf = GST_BUFFER (in);
-  guchar *data, *p;
-  decoder *dec;
-  unsigned long outsize;
-  unsigned long size;
-  guint32 frame_samples;
-  long res;
-  long *prev;
-
-  ttadec = GST_TTA_DEC (GST_OBJECT_PARENT (pad));
-
-  data = GST_BUFFER_DATA (buf);
-  size = GST_BUFFER_SIZE (buf);
-
-  ttadec->tta_buf.bit_count = 0;
-  ttadec->tta_buf.bit_cache = 0;
-  ttadec->tta_buf.bitpos = ttadec->tta_buf.buffer_end;
-  ttadec->tta_buf.offset = 0;
-  decoder_init (ttadec->tta, ttadec->channels, ttadec->bytes);
-
-  if (GST_BUFFER_DURATION_IS_VALID (buf)) {
-    frame_samples =
-        ceil ((gdouble) (GST_BUFFER_DURATION (buf) * ttadec->samplerate) /
-        (gdouble) GST_SECOND);
-  } else {
-    frame_samples = ttadec->samplerate * FRAME_TIME;
-  }
-  outsize = ttadec->channels * frame_samples * ttadec->bytes;
-
-  dec = ttadec->tta;
-  p = ttadec->decdata;
-  prev = ttadec->cache;
-  for (res = 0;
-      p < ttadec->decdata + frame_samples * ttadec->channels * ttadec->bytes;) {
-    unsigned long unary, binary, depth, k;
-    long value, temp_value;
-    fltst *fst = &dec->fst;
-    adapt *rice = &dec->rice;
-    long *last = &dec->last;
-
-    // decode Rice unsigned
-    get_unary (&ttadec->tta_buf, data, size, &unary);
-
-    switch (unary) {
-      case 0:
-        depth = 0;
-        k = rice->k0;
-        break;
-      default:
-        depth = 1;
-        k = rice->k1;
-        unary--;
-    }
-
-    if (k) {
-      get_binary (&ttadec->tta_buf, data, size, &binary, k);
-      value = (unary << k) + binary;
-    } else
-      value = unary;
-
-    switch (depth) {
-      case 1:
-        rice->sum1 += value - (rice->sum1 >> 4);
-        if (rice->k1 > 0 && rice->sum1 < shift_16[rice->k1])
-          rice->k1--;
-        else if (rice->sum1 > shift_16[rice->k1 + 1])
-          rice->k1++;
-        value += bit_shift[rice->k0];
-      default:
-        rice->sum0 += value - (rice->sum0 >> 4);
-        if (rice->k0 > 0 && rice->sum0 < shift_16[rice->k0])
-          rice->k0--;
-        else if (rice->sum0 > shift_16[rice->k0 + 1])
-          rice->k0++;
-    }
-
-    /* this only uses a temporary variable to silence a gcc warning */
-    temp_value = DEC (value);
-    value = temp_value;
-
-    // decompress stage 1: adaptive hybrid filter
-    hybrid_filter (fst, &value);
-
-    // decompress stage 2: fixed order 1 prediction
-    switch (ttadec->bytes) {
-      case 1:
-        value += PREDICTOR1 (*last, 4);
-        break;                  // bps 8
-      case 2:
-        value += PREDICTOR1 (*last, 5);
-        break;                  // bps 16
-      case 3:
-        value += PREDICTOR1 (*last, 5);
-        break;                  // bps 24
-      case 4:
-        value += *last;
-        break;                  // bps 32
-    }
-    *last = value;
-
-    if (dec < ttadec->tta + ttadec->channels - 1) {
-      *prev++ = value;
-      dec++;
-    } else {
-      *prev = value;
-      if (ttadec->channels > 1) {
-        long *r = prev - 1;
-
-        for (*prev += *r / 2; r >= ttadec->cache; r--)
-          *r = *(r + 1) - *r;
-        for (r = ttadec->cache; r < prev; r++)
-          WRITE_BUFFER (r, ttadec->bytes, p);
-      }
-      WRITE_BUFFER (prev, ttadec->bytes, p);
-      prev = ttadec->cache;
-      res++;
-      dec = ttadec->tta;
-    }
-  }
-
-  outbuf = gst_buffer_new_and_alloc (outsize);
-  memcpy (GST_BUFFER_DATA (outbuf), ttadec->decdata, outsize);
-  GST_BUFFER_TIMESTAMP (outbuf) = GST_BUFFER_TIMESTAMP (buf);
-  GST_BUFFER_DURATION (outbuf) = GST_BUFFER_DURATION (buf);
-  gst_buffer_set_caps (outbuf, GST_PAD_CAPS (ttadec->srcpad));
-  return gst_pad_push (ttadec->srcpad, outbuf);
-}
-
-gboolean
-gst_tta_dec_plugin_init (GstPlugin * plugin)
-{
-  return gst_element_register (plugin, "ttadec",
-      GST_RANK_NONE, GST_TYPE_TTA_DEC);
-}