1 files changed, 0 insertions, 547 deletions

diff --git a/gst/synaesthesia/gstsynaesthesia.c b/gst/synaesthesia/gstsynaesthesia.c
deleted file mode 100644
index d31847f..0000000
--- a/gst/synaesthesia/gstsynaesthesia.c
+++ /dev/null
@@ -1,547 +0,0 @@
-/* GStreamer
- * Copyright (C) <2001> Richard Boulton <richard@tartarus.org>
- *
- * gstsynaesthesia.c: implementation of synaesthesia drawing element
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-/**
- * SECTION:element-synaesthesia
- * @see_also: goom
- *
- * Synaesthesia is an audio visualisation element. It creates glitter and
- * pulsating fog based on the incomming audio signal.
- *
- * <refsect2>
- * <title>Example launch line</title>
- * |[
- * gst-launch -v audiotestsrc ! audioconvert ! synaesthesia ! ximagesink
- * gst-launch -v audiotestsrc ! audioconvert ! synaesthesia ! ffmpegcolorspace ! xvimagesink
- * ]|
- * </refsect2>
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstsynaesthesia.h"
-
-static GstStaticPadTemplate gst_synaesthesia_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-#if G_BYTE_ORDER == G_BIG_ENDIAN
-    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("xRGB"))
-#else
-    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("BGRx"))
-#endif
-    );
-
-static GstStaticPadTemplate gst_synaesthesia_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw, "
-        "format = (string) " GST_AUDIO_NE (S16) ", "
-        "rate = (int) [ 8000, 96000 ], "
-        "channels = (int) 2, "
-        "channel-mask = (bitmask) 0x3, " "layout = (string) interleaved")
-    );
-
-static void gst_synaesthesia_finalize (GObject * object);
-static void gst_synaesthesia_dispose (GObject * object);
-
-static GstFlowReturn gst_synaesthesia_chain (GstPad * pad, GstObject * parent,
-    GstBuffer * buffer);
-static gboolean gst_synaesthesia_sink_event (GstPad * pad, GstObject * parent,
-    GstEvent * event);
-
-static GstStateChangeReturn
-gst_synaesthesia_change_state (GstElement * element, GstStateChange transition);
-
-static gboolean gst_synaesthesia_src_negotiate (GstSynaesthesia * synaesthesia);
-static gboolean gst_synaesthesia_src_setcaps (GstSynaesthesia * synaesthesia,
-    GstCaps * caps);
-static gboolean gst_synaesthesia_sink_setcaps (GstSynaesthesia * synaesthesia,
-    GstCaps * caps);
-
-#define gst_synaesthesia_parent_class parent_class
-G_DEFINE_TYPE (GstSynaesthesia, gst_synaesthesia, GST_TYPE_ELEMENT);
-
-static void
-gst_synaesthesia_class_init (GstSynaesthesiaClass * klass)
-{
-  GObjectClass *gobject_class;
-  GstElementClass *gstelement_class;
-
-  gobject_class = (GObjectClass *) klass;
-  gstelement_class = (GstElementClass *) klass;
-
-  parent_class = g_type_class_peek_parent (klass);
-
-  gobject_class->dispose = gst_synaesthesia_dispose;
-  gobject_class->finalize = gst_synaesthesia_finalize;
-
-  gstelement_class->change_state =
-      GST_DEBUG_FUNCPTR (gst_synaesthesia_change_state);
-
-  gst_element_class_set_static_metadata (gstelement_class, "Synaesthesia",
-      "Visualization",
-      "Creates video visualizations of audio input, using stereo and pitch information",
-      "Richard Boulton <richard@tartarus.org>");
-
-  gst_element_class_add_pad_template (gstelement_class,
-      gst_static_pad_template_get (&gst_synaesthesia_src_template));
-  gst_element_class_add_pad_template (gstelement_class,
-      gst_static_pad_template_get (&gst_synaesthesia_sink_template));
-
-  synaesthesia_init ();
-}
-
-static void
-gst_synaesthesia_init (GstSynaesthesia * synaesthesia)
-{
-  /* create the sink and src pads */
-  synaesthesia->sinkpad =
-      gst_pad_new_from_static_template (&gst_synaesthesia_sink_template,
-      "sink");
-  gst_pad_set_chain_function (synaesthesia->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_synaesthesia_chain));
-  gst_pad_set_event_function (synaesthesia->sinkpad,
-      GST_DEBUG_FUNCPTR (gst_synaesthesia_sink_event));
-  gst_element_add_pad (GST_ELEMENT (synaesthesia), synaesthesia->sinkpad);
-
-  synaesthesia->srcpad =
-      gst_pad_new_from_static_template (&gst_synaesthesia_src_template, "src");
-  gst_element_add_pad (GST_ELEMENT (synaesthesia), synaesthesia->srcpad);
-
-  synaesthesia->adapter = gst_adapter_new ();
-
-  /* reset the initial video state */
-  synaesthesia->width = 320;
-  synaesthesia->height = 200;
-  synaesthesia->fps_n = 25;     /* desired frame rate */
-  synaesthesia->fps_d = 1;
-  synaesthesia->frame_duration = -1;
-
-  /* reset the initial audio state */
-  synaesthesia->rate = GST_AUDIO_DEF_RATE;
-  synaesthesia->channels = 2;
-
-  synaesthesia->next_ts = GST_CLOCK_TIME_NONE;
-
-  synaesthesia->si =
-      synaesthesia_new (synaesthesia->width, synaesthesia->height);
-}
-
-static void
-gst_synaesthesia_dispose (GObject * object)
-{
-  GstSynaesthesia *synaesthesia;
-
-  synaesthesia = GST_SYNAESTHESIA (object);
-
-  if (synaesthesia->adapter) {
-    g_object_unref (synaesthesia->adapter);
-    synaesthesia->adapter = NULL;
-  }
-
-  G_OBJECT_CLASS (parent_class)->dispose (object);
-}
-
-static void
-gst_synaesthesia_finalize (GObject * object)
-{
-  GstSynaesthesia *synaesthesia;
-
-  synaesthesia = GST_SYNAESTHESIA (object);
-
-  synaesthesia_close (synaesthesia->si);
-
-  G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_synaesthesia_sink_setcaps (GstSynaesthesia * synaesthesia, GstCaps * caps)
-{
-  GstStructure *structure;
-  gint channels;
-  gint rate;
-  gboolean res = TRUE;
-
-  structure = gst_caps_get_structure (caps, 0);
-
-  if (!gst_structure_get_int (structure, "channels", &channels) ||
-      !gst_structure_get_int (structure, "rate", &rate))
-    goto missing_caps_details;
-
-  if (channels != 2)
-    goto wrong_channels;
-
-  if (rate <= 0)
-    goto wrong_rate;
-
-  synaesthesia->channels = channels;
-  synaesthesia->rate = rate;
-
-done:
-  return res;
-
-  /* Errors */
-missing_caps_details:
-  {
-    GST_WARNING_OBJECT (synaesthesia, "missing channels or rate in the caps");
-    res = FALSE;
-    goto done;
-  }
-wrong_channels:
-  {
-    GST_WARNING_OBJECT (synaesthesia, "number of channels must be 2, but is %d",
-        channels);
-    res = FALSE;
-    goto done;
-  }
-wrong_rate:
-  {
-    GST_WARNING_OBJECT (synaesthesia, "sample rate must be >0, but is %d",
-        rate);
-    res = FALSE;
-    goto done;
-  }
-}
-
-static gboolean
-gst_synaesthesia_src_negotiate (GstSynaesthesia * synaesthesia)
-{
-  GstCaps *othercaps, *target, *intersect;
-  GstStructure *structure;
-  GstCaps *templ;
-  GstQuery *query;
-  GstBufferPool *pool = NULL;
-  guint size, min, max;
-
-  templ = gst_pad_get_pad_template_caps (synaesthesia->srcpad);
-
-  GST_DEBUG_OBJECT (synaesthesia, "performing negotiation");
-
-  /* see what the peer can do */
-  othercaps = gst_pad_peer_query_caps (synaesthesia->srcpad, NULL);
-  if (othercaps) {
-    intersect = gst_caps_intersect (othercaps, templ);
-    gst_caps_unref (othercaps);
-    gst_caps_unref (templ);
-
-    if (gst_caps_is_empty (intersect))
-      goto no_format;
-
-    target = gst_caps_copy_nth (intersect, 0);
-    gst_caps_unref (intersect);
-  } else {
-    target = templ;
-  }
-
-  structure = gst_caps_get_structure (target, 0);
-  gst_structure_fixate_field_nearest_int (structure, "width",
-      synaesthesia->width);
-  gst_structure_fixate_field_nearest_int (structure, "height",
-      synaesthesia->height);
-  gst_structure_fixate_field_nearest_fraction (structure, "framerate",
-      synaesthesia->fps_n, synaesthesia->fps_d);
-
-  GST_DEBUG_OBJECT (synaesthesia, "final caps are %" GST_PTR_FORMAT, target);
-
-  gst_synaesthesia_src_setcaps (synaesthesia, target);
-
-  /* try to get a bufferpool now */
-  /* find a pool for the negotiated caps now */
-  query = gst_query_new_allocation (target, TRUE);
-
-  if (gst_pad_peer_query (synaesthesia->srcpad, query) &&
-      gst_query_get_n_allocation_pools (query) > 0) {
-    /* we got configuration from our peer, parse them */
-    gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
-  } else {
-    size = synaesthesia->outsize;
-    min = max = 0;
-  }
-
-  if (pool == NULL) {
-    GstStructure *config;
-
-    /* we did not get a pool, make one ourselves then */
-    pool = gst_buffer_pool_new ();
-
-    config = gst_buffer_pool_get_config (pool);
-    gst_buffer_pool_config_set_params (config, target, size, min, max);
-    gst_buffer_pool_set_config (pool, config);
-  }
-
-  if (synaesthesia->pool)
-    gst_object_unref (synaesthesia->pool);
-  synaesthesia->pool = pool;
-
-  /* and activate */
-  gst_buffer_pool_set_active (pool, TRUE);
-
-  gst_caps_unref (target);
-
-  return TRUE;
-
-no_format:
-  {
-    gst_caps_unref (intersect);
-    return FALSE;
-  }
-}
-
-static gboolean
-gst_synaesthesia_src_setcaps (GstSynaesthesia * synaesthesia, GstCaps * caps)
-{
-  GstStructure *structure;
-  gint w, h;
-  gint num, denom;
-  gboolean res = TRUE;
-
-  structure = gst_caps_get_structure (caps, 0);
-
-  if (!gst_structure_get_int (structure, "width", &w) ||
-      !gst_structure_get_int (structure, "height", &h) ||
-      !gst_structure_get_fraction (structure, "framerate", &num, &denom)) {
-    goto missing_caps_details;
-  }
-
-  synaesthesia->width = w;
-  synaesthesia->height = h;
-  synaesthesia->fps_n = num;
-  synaesthesia->fps_d = denom;
-
-  synaesthesia_resize (synaesthesia->si, synaesthesia->width,
-      synaesthesia->height);
-
-  /* size of the output buffer in bytes, depth is always 4 bytes */
-  synaesthesia->outsize = synaesthesia->width * synaesthesia->height * 4;
-  synaesthesia->frame_duration = gst_util_uint64_scale_int (GST_SECOND,
-      synaesthesia->fps_d, synaesthesia->fps_n);
-  synaesthesia->spf = gst_util_uint64_scale_int (synaesthesia->rate,
-      synaesthesia->fps_d, synaesthesia->fps_n);
-
-  GST_DEBUG_OBJECT (synaesthesia, "dimension %dx%d, framerate %d/%d, spf %d",
-      synaesthesia->width, synaesthesia->height,
-      synaesthesia->fps_n, synaesthesia->fps_d, synaesthesia->spf);
-
-  res = gst_pad_push_event (synaesthesia->srcpad, gst_event_new_caps (caps));
-
-done:
-  return res;
-
-  /* Errors */
-missing_caps_details:
-  {
-    GST_WARNING_OBJECT (synaesthesia,
-        "missing width, height or framerate in the caps");
-    res = FALSE;
-    goto done;
-  }
-}
-
-/* make sure we are negotiated */
-static GstFlowReturn
-ensure_negotiated (GstSynaesthesia * synaesthesia)
-{
-  gboolean reconfigure;
-
-  reconfigure = gst_pad_check_reconfigure (synaesthesia->srcpad);
-
-  /* we don't know an output format yet, pick one */
-  if (reconfigure || !gst_pad_has_current_caps (synaesthesia->srcpad)) {
-    if (!gst_synaesthesia_src_negotiate (synaesthesia))
-      return GST_FLOW_NOT_NEGOTIATED;
-  }
-  return GST_FLOW_OK;
-}
-
-static GstFlowReturn
-gst_synaesthesia_chain (GstPad * pad, GstObject * parent, GstBuffer * buffer)
-{
-  GstFlowReturn ret = GST_FLOW_OK;
-  GstSynaesthesia *synaesthesia;
-  guint32 avail, bytesperread;
-
-  synaesthesia = GST_SYNAESTHESIA (parent);
-
-  GST_LOG_OBJECT (synaesthesia, "chainfunc called");
-
-  if (synaesthesia->rate == 0) {
-    gst_buffer_unref (buffer);
-    ret = GST_FLOW_NOT_NEGOTIATED;
-    goto exit;
-  }
-
-  /* Make sure have an output format */
-  ret = ensure_negotiated (synaesthesia);
-  if (ret != GST_FLOW_OK) {
-    gst_buffer_unref (buffer);
-    goto exit;
-  }
-
-  /* resync on DISCONT */
-  if (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT)) {
-    synaesthesia->next_ts = GST_CLOCK_TIME_NONE;
-    gst_adapter_clear (synaesthesia->adapter);
-  }
-
-  /* Match timestamps from the incoming audio */
-  if (GST_BUFFER_TIMESTAMP (buffer) != GST_CLOCK_TIME_NONE)
-    synaesthesia->next_ts = GST_BUFFER_TIMESTAMP (buffer);
-
-  gst_adapter_push (synaesthesia->adapter, buffer);
-
-  /* this is what we want */
-  bytesperread =
-      MAX (FFT_BUFFER_SIZE,
-      synaesthesia->spf) * synaesthesia->channels * sizeof (gint16);
-
-  /* this is what we have */
-  avail = gst_adapter_available (synaesthesia->adapter);
-  while (avail > bytesperread) {
-    const guint16 *data =
-        (const guint16 *) gst_adapter_map (synaesthesia->adapter,
-        bytesperread);
-    GstBuffer *outbuf = NULL;
-    guchar *out_frame;
-    guint i;
-
-    /* deinterleave */
-    for (i = 0; i < FFT_BUFFER_SIZE; i++) {
-      synaesthesia->datain[0][i] = *data++;
-      synaesthesia->datain[1][i] = *data++;
-    }
-
-    /* alloc a buffer */
-    GST_DEBUG_OBJECT (synaesthesia, "allocating output buffer");
-    ret = gst_buffer_pool_acquire_buffer (synaesthesia->pool, &outbuf, NULL);
-    if (ret != GST_FLOW_OK) {
-      gst_adapter_unmap (synaesthesia->adapter);
-      goto exit;
-    }
-
-    GST_BUFFER_TIMESTAMP (outbuf) = synaesthesia->next_ts;
-    GST_BUFFER_DURATION (outbuf) = synaesthesia->frame_duration;
-
-    out_frame = (guchar *)
-        synaesthesia_update (synaesthesia->si, synaesthesia->datain);
-    gst_buffer_fill (outbuf, 0, out_frame, synaesthesia->outsize);
-
-    gst_adapter_unmap (synaesthesia->adapter);
-
-    ret = gst_pad_push (synaesthesia->srcpad, outbuf);
-    outbuf = NULL;
-
-    if (ret != GST_FLOW_OK)
-      break;
-
-    if (synaesthesia->next_ts != GST_CLOCK_TIME_NONE)
-      synaesthesia->next_ts += synaesthesia->frame_duration;
-
-    /* flush sampled for one frame */
-    gst_adapter_flush (synaesthesia->adapter, synaesthesia->spf *
-        synaesthesia->channels * sizeof (gint16));
-
-    avail = gst_adapter_available (synaesthesia->adapter);
-  }
-
-exit:
-  return ret;
-}
-
-static gboolean
-gst_synaesthesia_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
-{
-  gboolean res;
-  GstSynaesthesia *synaesthesia;
-
-  synaesthesia = GST_SYNAESTHESIA (parent);
-
-  switch (GST_EVENT_TYPE (event)) {
-    case GST_EVENT_CAPS:
-    {
-      GstCaps *caps;
-
-      gst_event_parse_caps (event, &caps);
-      res = gst_synaesthesia_sink_setcaps (synaesthesia, caps);
-      gst_event_unref (event);
-      break;
-    }
-    default:
-      res = gst_pad_push_event (synaesthesia->srcpad, event);
-      break;
-  }
-
-  return res;
-}
-
-static GstStateChangeReturn
-gst_synaesthesia_change_state (GstElement * element, GstStateChange transition)
-{
-  GstSynaesthesia *synaesthesia;
-  GstStateChangeReturn ret;
-
-  synaesthesia = GST_SYNAESTHESIA (element);
-
-  switch (transition) {
-    case GST_STATE_CHANGE_READY_TO_PAUSED:
-      synaesthesia->next_ts = GST_CLOCK_TIME_NONE;
-      gst_adapter_clear (synaesthesia->adapter);
-      synaesthesia->channels = synaesthesia->rate = 0;
-      break;
-    default:
-      break;
-  }
-
-  ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
-  switch (transition) {
-    case GST_STATE_CHANGE_PAUSED_TO_READY:
-      if (synaesthesia->pool) {
-        gst_buffer_pool_set_active (synaesthesia->pool, FALSE);
-        gst_object_replace ((GstObject **) & synaesthesia->pool, NULL);
-      }
-      break;
-    case GST_STATE_CHANGE_READY_TO_NULL:
-      break;
-    default:
-      break;
-  }
-
-  return ret;
-}
-
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
-  GST_DEBUG_CATEGORY_INIT (synaesthesia_debug, "synaesthesia", 0,
-      "synaesthesia audio visualisations");
-
-  return gst_element_register (plugin, "synaesthesia", GST_RANK_NONE,
-      GST_TYPE_SYNAESTHESIA);
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
-    GST_VERSION_MINOR,
-    synaesthesia,
-    "Creates video visualizations of audio input, using stereo and pitch information",
-    plugin_init, VERSION, "GPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)