Remove obsolete scale and resample sources

https://bugzilla.gnome.org/show_bug.cgi?id=792900

2 files changed, 0 insertions, 708 deletions

diff --git a/ext/libav/gstavaudioresample.c b/ext/libav/gstavaudioresample.c
deleted file mode 100644
index f5dce0b..0000000
--- a/ext/libav/gstavaudioresample.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- * This file:
- * Copyright (C) 2005 Luca Ognibene <luogni@tin.it>
- * Copyright (C) 2006 Martin Zlomek <martin.zlomek@itonis.tv>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <libavcodec/avcodec.h>
-
-#include <gst/gst.h>
-#include <gst/base/gstbasetransform.h>
-#include <gst/video/video.h>
-
-#include "gstffmpeg.h"
-#include "gstffmpegcodecmap.h"
-
-typedef struct _GstFFMpegAudioResample
-{
-  GstBaseTransform element;
-
-  GstPad *sinkpad, *srcpad;
-
-  gint in_rate, out_rate;
-  gint in_channels, out_channels;
-
-  ReSampleContext *res;
-} GstFFMpegAudioResample;
-
-typedef struct _GstFFMpegAudioResampleClass
-{
-  GstBaseTransformClass parent_class;
-} GstFFMpegAudioResampleClass;
-
-#define GST_TYPE_FFMPEGAUDIORESAMPLE \
-	(gst_ffmpegaudioresample_get_type())
-#define GST_FFMPEGAUDIORESAMPLE(obj) \
-	(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGAUDIORESAMPLE,GstFFMpegAudioResample))
-#define GST_FFMPEGAUDIORESAMPLE_CLASS(klass) \
-	(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGAUDIORESAMPLE,GstFFMpegAudioResampleClass))
-#define GST_IS_FFMPEGAUDIORESAMPLE(obj) \
-	(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGAUDIORESAMPLE))
-#define GST_IS_FFMPEGAUDIORESAMPLE_CLASS(klass) \
-	(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGAUDIORESAMPLE))
-
-GType gst_ffmpegaudioresample_get_type (void);
-
-static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS
-    ("audio/x-raw,"
-        "format = (string) " GST_AUDIO_NE (S16) ","
-        "channels = (int) { 1 , 2 }, rate = (int) [1, MAX ]")
-    );
-
-static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS
-    ("audio/x-raw,"
-        "format = (string) " GST_AUDIO_NE (S16) ","
-        "channels = (int) { 1 , 2 }, rate = (int) [1, MAX ]")
-    );
-
-GST_BOILERPLATE (GstFFMpegAudioResample, gst_ffmpegaudioresample,
-    GstBaseTransform, GST_TYPE_BASE_TRANSFORM);
-
-static void gst_ffmpegaudioresample_finalize (GObject * object);
-
-static GstCaps *gst_ffmpegaudioresample_transform_caps (GstBaseTransform *
-    trans, GstPadDirection direction, GstCaps * caps);
-static gboolean gst_ffmpegaudioresample_transform_size (GstBaseTransform *
-    trans, GstPadDirection direction, GstCaps * caps, gsize size,
-    GstCaps * othercaps, gsize * othersize);
-static gboolean gst_ffmpegaudioresample_get_unit_size (GstBaseTransform * trans,
-    GstCaps * caps, gsize * size);
-static gboolean gst_ffmpegaudioresample_set_caps (GstBaseTransform * trans,
-    GstCaps * incaps, GstCaps * outcaps);
-static GstFlowReturn gst_ffmpegaudioresample_transform (GstBaseTransform *
-    trans, GstBuffer * inbuf, GstBuffer * outbuf);
-
-static void
-gst_ffmpegaudioresample_base_init (gpointer g_class)
-{
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
-  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,
-      "libav Audio resampling element", "Filter/Converter/Audio",
-      "Converts audio from one samplerate to another",
-      "Edward Hervey <bilboed@bilboed.com>");
-}
-
-static void
-gst_ffmpegaudioresample_class_init (GstFFMpegAudioResampleClass * klass)
-{
-  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-  GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
-
-  gobject_class->finalize = gst_ffmpegaudioresample_finalize;
-
-  trans_class->transform_caps =
-      GST_DEBUG_FUNCPTR (gst_ffmpegaudioresample_transform_caps);
-  trans_class->get_unit_size =
-      GST_DEBUG_FUNCPTR (gst_ffmpegaudioresample_get_unit_size);
-  trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_ffmpegaudioresample_set_caps);
-  trans_class->transform =
-      GST_DEBUG_FUNCPTR (gst_ffmpegaudioresample_transform);
-  trans_class->transform_size =
-      GST_DEBUG_FUNCPTR (gst_ffmpegaudioresample_transform_size);
-
-  trans_class->passthrough_on_same_caps = TRUE;
-}
-
-static void
-gst_ffmpegaudioresample_init (GstFFMpegAudioResample * resample,
-    GstFFMpegAudioResampleClass * klass)
-{
-  GstBaseTransform *trans = GST_BASE_TRANSFORM (resample);
-
-  gst_pad_set_bufferalloc_function (trans->sinkpad, NULL);
-
-  resample->res = NULL;
-}
-
-static void
-gst_ffmpegaudioresample_finalize (GObject * object)
-{
-  GstFFMpegAudioResample *resample = GST_FFMPEGAUDIORESAMPLE (object);
-
-  if (resample->res != NULL)
-    audio_resample_close (resample->res);
-
-  G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static GstCaps *
-gst_ffmpegaudioresample_transform_caps (GstBaseTransform * trans,
-    GstPadDirection direction, GstCaps * caps)
-{
-  GstCaps *retcaps;
-  GstStructure *struc;
-
-  retcaps = gst_caps_copy (caps);
-  struc = gst_caps_get_structure (retcaps, 0);
-  gst_structure_set (struc, "rate", GST_TYPE_INT_RANGE, 1, G_MAXINT, NULL);
-
-  GST_LOG_OBJECT (trans, "returning caps %" GST_PTR_FORMAT, retcaps);
-
-  return retcaps;
-}
-
-static gboolean
-gst_ffmpegaudioresample_transform_size (GstBaseTransform * trans,
-    GstPadDirection direction, GstCaps * caps, gsize size, GstCaps * othercaps,
-    gsize * othersize)
-{
-  gint inrate, outrate;
-  gint inchanns, outchanns;
-  GstStructure *ins, *outs;
-  gboolean ret;
-  guint64 conv;
-
-  ins = gst_caps_get_structure (caps, 0);
-  outs = gst_caps_get_structure (othercaps, 0);
-
-  /* Get input/output sample rate and channels */
-  ret = gst_structure_get_int (ins, "rate", &inrate);
-  ret &= gst_structure_get_int (ins, "channels", &inchanns);
-  ret &= gst_structure_get_int (outs, "rate", &outrate);
-  ret &= gst_structure_get_int (outs, "channels", &outchanns);
-
-  if (!ret)
-    return FALSE;
-
-  conv = gst_util_uint64_scale (size, outrate * outchanns, inrate * inchanns);
-  /* Adding padding to the output buffer size, since audio_resample's internal
-   * methods might write a bit further. */
-  *othersize = (guint) conv + 64;
-
-  GST_DEBUG_OBJECT (trans, "Transformed size from %d to %d", size, *othersize);
-
-  return TRUE;
-}
-
-static gboolean
-gst_ffmpegaudioresample_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
-    gsize * size)
-{
-  gint channels;
-  GstStructure *structure;
-  gboolean ret;
-
-  g_assert (size);
-
-  structure = gst_caps_get_structure (caps, 0);
-  ret = gst_structure_get_int (structure, "channels", &channels);
-  g_return_val_if_fail (ret, FALSE);
-
-  *size = 2 * channels;
-
-  return TRUE;
-}
-
-static gboolean
-gst_ffmpegaudioresample_set_caps (GstBaseTransform * trans, GstCaps * incaps,
-    GstCaps * outcaps)
-{
-  GstFFMpegAudioResample *resample = GST_FFMPEGAUDIORESAMPLE (trans);
-  GstStructure *instructure = gst_caps_get_structure (incaps, 0);
-  GstStructure *outstructure = gst_caps_get_structure (outcaps, 0);
-
-  GST_LOG_OBJECT (resample, "incaps:%" GST_PTR_FORMAT, incaps);
-
-  GST_LOG_OBJECT (resample, "outcaps:%" GST_PTR_FORMAT, outcaps);
-
-  if (!gst_structure_get_int (instructure, "channels", &resample->in_channels))
-    return FALSE;
-  if (!gst_structure_get_int (instructure, "rate", &resample->in_rate))
-    return FALSE;
-
-  if (!gst_structure_get_int (outstructure, "channels",
-          &resample->out_channels))
-    return FALSE;
-  if (!gst_structure_get_int (outstructure, "rate", &resample->out_rate))
-    return FALSE;
-
-  /* FIXME : Allow configuring the various resampling properties */
-#define TAPS 16
-  resample->res =
-      av_audio_resample_init (resample->out_channels, resample->in_channels,
-      resample->out_rate, resample->in_rate,
-      AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_S16, TAPS, 10, 0, 0.8);
-  if (resample->res == NULL)
-    return FALSE;
-
-  return TRUE;
-}
-
-static GstFlowReturn
-gst_ffmpegaudioresample_transform (GstBaseTransform * trans, GstBuffer * inbuf,
-    GstBuffer * outbuf)
-{
-  GstFFMpegAudioResample *resample = GST_FFMPEGAUDIORESAMPLE (trans);
-  gint nbsamples;
-  gint ret;
-  guint8 *indata, *outdata;
-  gsize insize, outsize;
-
-  gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
-
-  indata = gst_buffer_map (inbuf, &insize, NULL, GST_MAP_READ);
-  nbsamples = insize / (2 * resample->in_channels);
-
-  GST_LOG_OBJECT (resample, "input buffer duration:%" GST_TIME_FORMAT,
-      GST_TIME_ARGS (GST_BUFFER_DURATION (inbuf)));
-
-  outdata = gst_buffer_map (outbuf, &outsize, NULL, GST_MAP_WRITE);
-  GST_DEBUG_OBJECT (resample,
-      "audio_resample(ctx, output:%p [size:%d], input:%p [size:%d], nbsamples:%d",
-      outdata, outsize, indata, insize, nbsamples);
-
-  ret =
-      audio_resample (resample->res, (short *) outdata, (short *) indata,
-      nbsamples);
-
-  GST_DEBUG_OBJECT (resample, "audio_resample returned %d", ret);
-
-  GST_BUFFER_DURATION (outbuf) = gst_util_uint64_scale (ret, GST_SECOND,
-      resample->out_rate);
-
-  outsize = ret * 2 * resample->out_channels;
-  gst_buffer_unmap (outbuf, outdata, outsize);
-  gst_buffer_unmap (inbuf, indata, insize);
-
-  GST_LOG_OBJECT (resample, "Output buffer duration:%" GST_TIME_FORMAT,
-      GST_TIME_ARGS (GST_BUFFER_DURATION (outbuf)));
-
-  return GST_FLOW_OK;
-}
-
-gboolean
-gst_ffmpegaudioresample_register (GstPlugin * plugin)
-{
-  return gst_element_register (plugin, "avaudioresample",
-      GST_RANK_NONE, GST_TYPE_FFMPEGAUDIORESAMPLE);
-}
diff --git a/ext/libav/gstavscale.c b/ext/libav/gstavscale.c
deleted file mode 100644
index a6d6a18..0000000
--- a/ext/libav/gstavscale.c
+++ /dev/null
@@ -1,401 +0,0 @@
-/* GStreamer
- * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
- * This file:
- * Copyright (C) 2005 Luca Ognibene <luogni@tin.it>
- * Copyright (C) 2006 Martin Zlomek <martin.zlomek@itonis.tv>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <libavcodec/avcodec.h>
-
-#include <gst/gst.h>
-#include <gst/base/gstbasetransform.h>
-#include <gst/video/video.h>
-
-#include "gstffmpeg.h"
-#include "gstffmpegcodecmap.h"
-
-typedef struct _GstFFMpegScale
-{
-  GstBaseTransform element;
-
-  GstPad *sinkpad, *srcpad;
-
-  gint in_width, in_height;
-  gint out_width, out_height;
-
-  enum PixelFormat pixfmt;
-
-  ImgReSampleContext *res;
-} GstFFMpegScale;
-
-typedef struct _GstFFMpegScaleClass
-{
-  GstBaseTransformClass parent_class;
-} GstFFMpegScaleClass;
-
-#define GST_TYPE_FFMPEGSCALE \
-	(gst_ffmpegscale_get_type())
-#define GST_FFMPEGSCALE(obj) \
-	(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_FFMPEGSCALE,GstFFMpegScale))
-#define GST_FFMPEGSCALE_CLASS(klass) \
-	(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_FFMPEGSCALE,GstFFMpegScaleClass))
-#define GST_IS_FFMPEGSCALE(obj) \
-	(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_FFMPEGSCALE))
-#define GST_IS_FFMPEGSCALE_CLASS(klass) \
-	(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGSCALE))
-
-static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
-    );
-
-static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
-    );
-
-GST_BOILERPLATE (GstFFMpegScale, gst_ffmpegscale, GstBaseTransform,
-    GST_TYPE_BASE_TRANSFORM);
-
-static void gst_ffmpegscale_finalize (GObject * object);
-
-static GstCaps *gst_ffmpegscale_transform_caps (GstBaseTransform * trans,
-    GstPadDirection direction, GstCaps * caps);
-static void gst_ffmpegscale_fixate_caps (GstBaseTransform * trans,
-    GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
-static gboolean gst_ffmpegscale_get_unit_size (GstBaseTransform * trans,
-    GstCaps * caps, guint * size);
-static gboolean gst_ffmpegscale_set_caps (GstBaseTransform * trans,
-    GstCaps * incaps, GstCaps * outcaps);
-static GstFlowReturn gst_ffmpegscale_transform (GstBaseTransform * trans,
-    GstBuffer * inbuf, GstBuffer * outbuf);
-
-static gboolean gst_ffmpegscale_handle_src_event (GstPad * pad,
-    GstEvent * event);
-
-static void
-gst_ffmpegscale_base_init (gpointer g_class)
-{
-  GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
-  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, "libav Scale element",
-      "Filter/Converter/Video/Scaler",
-      "Converts video from one resolution to another",
-      "Luca Ognibene <luogni@tin.it>");
-}
-
-static void
-gst_ffmpegscale_class_init (GstFFMpegScaleClass * klass)
-{
-  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-  GstBaseTransformClass *trans_class = GST_BASE_TRANSFORM_CLASS (klass);
-
-  gobject_class->finalize = gst_ffmpegscale_finalize;
-
-  trans_class->transform_caps =
-      GST_DEBUG_FUNCPTR (gst_ffmpegscale_transform_caps);
-  trans_class->fixate_caps = GST_DEBUG_FUNCPTR (gst_ffmpegscale_fixate_caps);
-  trans_class->get_unit_size =
-      GST_DEBUG_FUNCPTR (gst_ffmpegscale_get_unit_size);
-  trans_class->set_caps = GST_DEBUG_FUNCPTR (gst_ffmpegscale_set_caps);
-  trans_class->transform = GST_DEBUG_FUNCPTR (gst_ffmpegscale_transform);
-
-  trans_class->passthrough_on_same_caps = TRUE;
-}
-
-static void
-gst_ffmpegscale_init (GstFFMpegScale * scale, GstFFMpegScaleClass * klass)
-{
-  GstBaseTransform *trans = GST_BASE_TRANSFORM (scale);
-
-  gst_pad_set_event_function (trans->srcpad, gst_ffmpegscale_handle_src_event);
-
-  scale->pixfmt = AV_PIX_FMT_NB;
-  scale->res = NULL;
-}
-
-static void
-gst_ffmpegscale_finalize (GObject * object)
-{
-  GstFFMpegScale *scale = GST_FFMPEGSCALE (object);
-
-  if (scale->res != NULL)
-    img_resample_close (scale->res);
-
-  G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static GstCaps *
-gst_ffmpegscale_transform_caps (GstBaseTransform * trans,
-    GstPadDirection direction, GstCaps * caps)
-{
-  GstCaps *retcaps;
-  int i;
-
-  retcaps = gst_caps_copy (caps);
-
-  for (i = 0; i < gst_caps_get_size (retcaps); i++) {
-    GstStructure *structure = gst_caps_get_structure (retcaps, i);
-
-    gst_structure_set (structure,
-        "width", GST_TYPE_INT_RANGE, 16, 4096,
-        "height", GST_TYPE_INT_RANGE, 16, 4096, NULL);
-    gst_structure_remove_field (structure, "pixel-aspect-ratio");
-  }
-
-  return retcaps;
-}
-
-static void
-gst_ffmpegscale_fixate_caps (GstBaseTransform * trans,
-    GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
-{
-  GstStructure *instructure = gst_caps_get_structure (caps, 0);
-  GstStructure *outstructure = gst_caps_get_structure (othercaps, 0);
-  const GValue *in_par, *out_par;
-
-  in_par = gst_structure_get_value (instructure, "pixel-aspect-ratio");
-  out_par = gst_structure_get_value (outstructure, "pixel-aspect-ratio");
-
-  if (in_par && out_par) {
-    GValue out_ratio = { 0, };  /* w/h of output video */
-    int in_w, in_h, in_par_n, in_par_d, out_par_n, out_par_d;
-    int count = 0, w = 0, h = 0, num, den;
-
-    /* if both width and height are already fixed, we can't do anything
-     * about it anymore */
-    if (gst_structure_get_int (outstructure, "width", &w))
-      ++count;
-    if (gst_structure_get_int (outstructure, "height", &h))
-      ++count;
-    if (count == 2) {
-      GST_DEBUG_OBJECT (trans, "dimensions already set to %dx%d, not fixating",
-          w, h);
-      return;
-    }
-
-    gst_structure_get_int (instructure, "width", &in_w);
-    gst_structure_get_int (instructure, "height", &in_h);
-    in_par_n = gst_value_get_fraction_numerator (in_par);
-    in_par_d = gst_value_get_fraction_denominator (in_par);
-    out_par_n = gst_value_get_fraction_numerator (out_par);
-    out_par_d = gst_value_get_fraction_denominator (out_par);
-
-    g_value_init (&out_ratio, GST_TYPE_FRACTION);
-    gst_value_set_fraction (&out_ratio, in_w * in_par_n * out_par_d,
-        in_h * in_par_d * out_par_n);
-    num = gst_value_get_fraction_numerator (&out_ratio);
-    den = gst_value_get_fraction_denominator (&out_ratio);
-    GST_DEBUG_OBJECT (trans,
-        "scaling input with %dx%d and PAR %d/%d to output PAR %d/%d",
-        in_w, in_h, in_par_n, in_par_d, out_par_n, out_par_d);
-    GST_DEBUG_OBJECT (trans, "resulting output should respect ratio of %d/%d",
-        num, den);
-
-    /* now find a width x height that respects this display ratio.
-     * prefer those that have one of w/h the same as the incoming video
-     * using wd / hd = num / den */
-
-    /* start with same height, because of interlaced video */
-    /* check hd / den is an integer scale factor, and scale wd with the PAR */
-    if (in_h % den == 0) {
-      GST_DEBUG_OBJECT (trans, "keeping video height");
-      h = in_h;
-      w = h * num / den;
-    } else if (in_w % num == 0) {
-      GST_DEBUG_OBJECT (trans, "keeping video width");
-      w = in_w;
-      h = w * den / num;
-    } else {
-      GST_DEBUG_OBJECT (trans, "approximating but keeping video height");
-      h = in_h;
-      w = h * num / den;
-    }
-    GST_DEBUG_OBJECT (trans, "scaling to %dx%d", w, h);
-
-    /* now fixate */
-    gst_structure_fixate_field_nearest_int (outstructure, "width", w);
-    gst_structure_fixate_field_nearest_int (outstructure, "height", h);
-  } else {
-    gint width, height;
-
-    if (gst_structure_get_int (instructure, "width", &width)) {
-      if (gst_structure_has_field (outstructure, "width"))
-        gst_structure_fixate_field_nearest_int (outstructure, "width", width);
-    }
-    if (gst_structure_get_int (instructure, "height", &height)) {
-      if (gst_structure_has_field (outstructure, "height"))
-        gst_structure_fixate_field_nearest_int (outstructure, "height", height);
-    }
-  }
-}
-
-static gboolean
-gst_ffmpegscale_get_unit_size (GstBaseTransform * trans, GstCaps * caps,
-    guint * size)
-{
-  GstStructure *structure = gst_caps_get_structure (caps, 0);
-  gint width, height;
-  AVCodecContext *ctx;
-
-  if (!gst_structure_get_int (structure, "width", &width))
-    return FALSE;
-  if (!gst_structure_get_int (structure, "height", &height))
-    return FALSE;
-
-  ctx = avcodec_alloc_context ();
-  ctx->width = width;
-  ctx->height = height;
-  ctx->pix_fmt = AV_PIX_FMT_NB;
-  gst_ffmpeg_caps_with_codectype (AV_CODEC_TYPE_VIDEO, caps, ctx);
-  if (ctx->pix_fmt == AV_PIX_FMT_NB) {
-    av_free (ctx);
-    return FALSE;
-  }
-
-  *size =
-      (guint) av_image_get_buffer_size (pix->pix_fmt, ctx->width, ctx->height,
-      1);
-
-  av_free (ctx);
-
-  return TRUE;
-}
-
-static gboolean
-gst_ffmpegscale_set_caps (GstBaseTransform * trans, GstCaps * incaps,
-    GstCaps * outcaps)
-{
-  GstFFMpegScale *scale = GST_FFMPEGSCALE (trans);
-  GstStructure *instructure = gst_caps_get_structure (incaps, 0);
-  GstStructure *outstructure = gst_caps_get_structure (outcaps, 0);
-  gint par_num, par_den;
-  AVCodecContext *ctx;
-
-  if (!gst_structure_get_int (instructure, "width", &scale->in_width))
-    return FALSE;
-  if (!gst_structure_get_int (instructure, "height", &scale->in_height))
-    return FALSE;
-
-  if (!gst_structure_get_int (outstructure, "width", &scale->out_width))
-    return FALSE;
-  if (!gst_structure_get_int (outstructure, "height", &scale->out_height))
-    return FALSE;
-
-  if (gst_structure_get_fraction (instructure, "pixel-aspect-ratio",
-          &par_num, &par_den)) {
-    gst_structure_set (outstructure,
-        "pixel-aspect-ratio", GST_TYPE_FRACTION,
-        par_num * scale->in_width / scale->out_width,
-        par_den * scale->in_height / scale->out_height, NULL);
-  }
-
-  ctx = avcodec_alloc_context ();
-  ctx->width = scale->in_width;
-  ctx->height = scale->in_height;
-  ctx->pix_fmt = AV_PIX_FMT_NB;
-  gst_ffmpeg_caps_with_codectype (AV_CODEC_TYPE_VIDEO, incaps, ctx);
-  if (ctx->pix_fmt == AV_PIX_FMT_NB) {
-    av_free (ctx);
-    return FALSE;
-  }
-
-  scale->pixfmt = ctx->pix_fmt;
-
-  av_free (ctx);
-
-  scale->res = img_resample_init (scale->out_width, scale->out_height,
-      scale->in_width, scale->in_height);
-
-  return TRUE;
-}
-
-static GstFlowReturn
-gst_ffmpegscale_transform (GstBaseTransform * trans, GstBuffer * inbuf,
-    GstBuffer * outbuf)
-{
-  GstFFMpegScale *scale = GST_FFMPEGSCALE (trans);
-  AVPicture in_frame, out_frame;
-
-  gst_buffer_copy_metadata (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS);
-
-  gst_ffmpeg_avpicture_fill (&in_frame,
-      GST_BUFFER_DATA (inbuf),
-      scale->pixfmt, scale->in_width, scale->in_height);
-
-  gst_ffmpeg_avpicture_fill (&out_frame,
-      GST_BUFFER_DATA (outbuf),
-      scale->pixfmt, scale->out_width, scale->out_height);
-
-  img_resample (scale->res, &out_frame, &in_frame);
-
-  return GST_FLOW_OK;
-}
-
-static gboolean
-gst_ffmpegscale_handle_src_event (GstPad * pad, GstEvent * event)
-{
-  GstFFMpegScale *scale;
-  GstStructure *structure;
-  gdouble pointer;
-  gboolean res;
-
-  scale = GST_FFMPEGSCALE (gst_pad_get_parent (pad));
-
-  switch (GST_EVENT_TYPE (event)) {
-    case GST_EVENT_NAVIGATION:
-      event =
-          GST_EVENT (gst_mini_object_make_writable (GST_MINI_OBJECT (event)));
-
-      structure = (GstStructure *) gst_event_get_structure (event);
-      if (gst_structure_get_double (structure, "pointer_x", &pointer)) {
-        gst_structure_set (structure,
-            "pointer_x", G_TYPE_DOUBLE,
-            pointer * scale->in_width / scale->out_width, NULL);
-      }
-      if (gst_structure_get_double (structure, "pointer_y", &pointer)) {
-        gst_structure_set (structure,
-            "pointer_y", G_TYPE_DOUBLE,
-            pointer * scale->in_height / scale->out_height, NULL);
-      }
-      break;
-    default:
-      break;
-  }
-
-  res = gst_pad_event_default (pad, event);
-
-  gst_object_unref (scale);
-
-  return res;
-}
-
-gboolean
-gst_ffmpegscale_register (GstPlugin * plugin)
-{
-  return gst_element_register (plugin, "avvideoscale",
-      GST_RANK_NONE, GST_TYPE_FFMPEGSCALE);
-}