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authorThomas Vander Stichele <thomas@apestaart.org>2001-12-22 23:44:44 +0000
committerThomas Vander Stichele <thomas@apestaart.org>2001-12-22 23:44:44 +0000
commit6193def94553b6d3e7f39fa975737d43b033a365 (patch)
treebca8c19e69b0b8119d269c9aa437538b0481c153 /gst-libs/audio/gstaudio.c
parent41585b7e7836988c2e6ca136f8a85733ff2dc3cc (diff)
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audio lib removed from this dir
Original commit message from CVS: audio lib removed from this dir
Diffstat (limited to 'gst-libs/audio/gstaudio.c')
-rw-r--r--gst-libs/audio/gstaudio.c152
1 files changed, 0 insertions, 152 deletions
diff --git a/gst-libs/audio/gstaudio.c b/gst-libs/audio/gstaudio.c
deleted file mode 100644
index c18d6c6e..00000000
--- a/gst-libs/audio/gstaudio.c
+++ /dev/null
@@ -1,152 +0,0 @@
-/* Gnome-Streamer
- * 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.
- */
-
-#include "gstaudio.h"
-
-int
-gst_audio_frame_byte_size (GstPad* pad)
-{
-/* calculate byte size of an audio frame
- * this should be moved closer to the gstreamer core
- * and be implemented for every mime type IMO
- * returns 0 if there's an error, or the byte size if everything's ok
- */
-
- int width = 0;
- int channels = 0;
-
- GstCaps *caps = NULL;
-
- /* get caps of pad */
- caps = GST_PAD_CAPS (pad);
-
- if (caps == NULL)
- /* ERROR: could not get caps of pad */
- return 0;
-
- width = gst_caps_get_int (caps, "width");
- channels = gst_caps_get_int (caps, "channels");
- return (width / 8) * channels;
-}
-
-long
-gst_audio_frame_length (GstPad* pad, GstBuffer* buf)
-/* calculate length of buffer in frames
- * this should be moved closer to the gstreamer core
- * and be implemented for every mime type IMO
- * returns 0 if there's an error, or the number of frames if everything's ok
- */
-{
- int frame_byte_size = 0;
-
- frame_byte_size = gst_audio_frame_byte_size (pad);
- if (frame_byte_size == 0)
- /* error */
- return 0;
- /* FIXME: this function assumes the buffer size to be a whole multiple
- * of the frame byte size
- */
- return GST_BUFFER_SIZE (buf) / frame_byte_size;
-}
-
-long
-gst_audio_frame_rate (GstPad *pad)
-/*
- * calculate frame rate (based on caps of pad)
- * returns 0 if failed, rate if success
- */
-{
- GstCaps *caps = NULL;
-
- /* get caps of pad */
- caps = GST_PAD_CAPS (pad);
-
- if (caps == NULL)
- /* ERROR: could not get caps of pad */
- return 0;
- else
- return gst_caps_get_int (caps, "rate");
-}
-
-double
-gst_audio_length (GstPad* pad, GstBuffer* buf)
-{
-/* calculate length in seconds
- * of audio buffer buf
- * based on capabilities of pad
- */
-
- long bytes = 0;
- int width = 0;
- int channels = 0;
- long rate = 0L;
-
- double length;
-
- GstCaps *caps = NULL;
-
- /* get caps of pad */
- caps = GST_PAD_CAPS (pad);
- if (caps == NULL)
- {
- /* ERROR: could not get caps of pad */
- length = 0.0;
- }
- else
- {
- bytes = GST_BUFFER_SIZE (buf);
- width = gst_caps_get_int (caps, "width");
- channels = gst_caps_get_int (caps, "channels");
- rate = gst_caps_get_int (caps, "rate");
-
- length = (bytes * 8.0) / (double) (rate * channels * width);
- }
- return length;
-}
-
-long
-gst_audio_highest_sample_value (GstPad* pad)
-/* calculate highest possible sample value
- * based on capabilities of pad
- */
-{
- gboolean is_signed = FALSE;
- gint width = 0;
- GstCaps *caps = NULL;
-
- caps = GST_PAD_CAPS (pad);
- // FIXME : Please change this to a better warning method !
- if (caps == NULL)
- printf ("WARNING: gstaudio: could not get caps of pad !\n");
- width = gst_caps_get_int (caps, "width");
- is_signed = gst_caps_get_boolean (caps, "signed");
- if (is_signed) --width;
- /* example : 16 bit, signed : samples between -32768 and 32767 */
- return ((long) (1 << width));
-}
-
-gboolean
-gst_audio_is_buffer_framed (GstPad* pad, GstBuffer* buf)
-/* check if the buffer size is a whole multiple of the frame size */
-{
- if (GST_BUFFER_SIZE (buf) % gst_audio_frame_byte_size (pad) == 0)
- return TRUE;
- else
- return FALSE;
-}