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-rw-r--r--ext/audiofile/gstafparse.c26
-rw-r--r--ext/audiofile/gstaftypes.c186
2 files changed, 199 insertions, 13 deletions
diff --git a/ext/audiofile/gstafparse.c b/ext/audiofile/gstafparse.c
index adabd20a..11deb600 100644
--- a/ext/audiofile/gstafparse.c
+++ b/ext/audiofile/gstafparse.c
@@ -149,8 +149,7 @@ gst_afparse_init (GstAFParse *afparse)
afparse->vfile->seek = gst_afparse_vf_seek;
afparse->vfile->tell = gst_afparse_vf_tell;
- /* default to low latency */
- afparse->frames_per_read = 64;
+ afparse->frames_per_read = 1024;
afparse->curoffset = 0;
afparse->seq = 0;
@@ -175,6 +174,7 @@ gst_afparse_loop(GstElement *element)
guint8 *data;
gboolean bypass_afread = TRUE;
GstByteStream *bs;
+ int s_format, v_format, s_width, v_width;
afparse = GST_AFPARSE(element);
@@ -191,15 +191,15 @@ gst_afparse_loop(GstElement *element)
/* if audiofile changes the data in any way, we have to access
* the audio data via afReadFrames. Otherwise we can just access
* the data directly. */
+ afGetSampleFormat(afparse->file, AF_DEFAULT_TRACK, &s_format, &s_width);
+ afGetVirtualSampleFormat(afparse->file, AF_DEFAULT_TRACK, &v_format, &v_width);
if (afGetCompression != AF_COMPRESSION_NONE ||
- afGetByteOrder(afparse->file, AF_DEFAULT_TRACK) != afGetVirtualByteOrder(afparse->file, AF_DEFAULT_TRACK)){
- int s_format, v_format, s_width, v_width;
- afGetSampleFormat(afparse->file, AF_DEFAULT_TRACK, &s_format, &s_width);
- afGetVirtualSampleFormat(afparse->file, AF_DEFAULT_TRACK, &v_format, &v_width);
- if (s_format != v_format || s_width != v_width){
- bypass_afread = FALSE;
- }
+ afGetByteOrder(afparse->file, AF_DEFAULT_TRACK) != afGetVirtualByteOrder(afparse->file, AF_DEFAULT_TRACK) ||
+ s_format != v_format ||
+ s_width != v_width){
+ bypass_afread = FALSE;
}
+
if (bypass_afread){
g_print("will bypass afReadFrames\n");
}
@@ -226,9 +226,10 @@ gst_afparse_loop(GstElement *element)
break;
}
}
-
- gst_pad_push (afparse->srcpad, buf);
- afparse->timestamp += numframes * 1E9 / afparse->rate;
+ else {
+ gst_pad_push (afparse->srcpad, buf);
+ afparse->timestamp += numframes * 1E9 / afparse->rate;
+ }
}
while (TRUE);
@@ -255,7 +256,6 @@ gst_afparse_loop(GstElement *element)
}
while (TRUE);
}
-
gst_afparse_close_file (afparse);
gst_buffer_pool_unref(bufpool);
diff --git a/ext/audiofile/gstaftypes.c b/ext/audiofile/gstaftypes.c
new file mode 100644
index 00000000..0a718c5a
--- /dev/null
+++ b/ext/audiofile/gstaftypes.c
@@ -0,0 +1,186 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wtay@chello.be>
+ *
+ * gstaftypes.c:
+ *
+ * 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 <gst/gst.h>
+#include <string.h>
+#include <audiofile.h>
+#include <af_vfs.h>
+
+static ssize_t gst_aftypes_vf_read (AFvirtualfile *vfile, void *data, size_t nbytes);
+static long gst_aftypes_vf_length (AFvirtualfile *vfile);
+static ssize_t gst_aftypes_vf_write (AFvirtualfile *vfile, const void *data, size_t nbytes);
+static void gst_aftypes_vf_destroy(AFvirtualfile *vfile);
+static long gst_aftypes_vf_seek (AFvirtualfile *vfile, long offset, int is_relative);
+static long gst_aftypes_vf_tell (AFvirtualfile *vfile);
+
+static GstCaps* gst_aftypes_type_find(GstBuffer *buf, gpointer private);
+
+static GstTypeDefinition aftype_definitions[] = {
+ { "aftypes audio/audiofile", "audio/audiofile", ".wav .aiff .aif .aifc", gst_aftypes_type_find },
+ { NULL, NULL, NULL, NULL },
+};
+
+typedef struct _GstAFTypesBuffer GstAFTypesBuffer;
+struct _GstAFTypesBuffer {
+ GstBuffer *buffer;
+ long offset;
+};
+
+static GstCaps*
+gst_aftypes_type_find(GstBuffer *buf, gpointer private)
+{
+
+ GstAFTypesBuffer *buffer_wrap = g_new0(GstAFTypesBuffer, 1);
+ AFvirtualfile *vfile;
+ AFfilehandle file;
+ int file_format, format_version;
+
+ g_print("calling gst_aftypes_type_find\n");
+
+ buffer_wrap->buffer = buf;
+ buffer_wrap->offset = 0;
+
+ vfile = af_virtual_file_new();
+ vfile->closure = buffer_wrap;
+ vfile->read = gst_aftypes_vf_read;
+ vfile->length = gst_aftypes_vf_length;
+ vfile->write = gst_aftypes_vf_write;
+ vfile->destroy = gst_aftypes_vf_destroy;
+ vfile->seek = gst_aftypes_vf_seek;
+ vfile->tell = gst_aftypes_vf_tell;
+
+ file = afOpenVirtualFile (vfile, "r", AF_NULL_FILESETUP);
+ file_format = afGetFileFormat (file, &format_version);
+ afCloseFile (file);
+
+ g_print("file format: %d\n", file_format);
+
+ /* reject raw data, just in case it is some other format */
+ if (file_format == AF_FILE_UNKNOWN ||
+ file_format == AF_FILE_RAWDATA){
+ return NULL;
+ }
+
+ return gst_caps_new ("audiofile_type_find", "audio/audiofile", NULL);
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+ gint i=0;
+
+ while (aftype_definitions[i].name) {
+ GstTypeFactory *type;
+
+ type = gst_type_factory_new (&aftype_definitions[i]);
+ gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
+ i++;
+ }
+
+ return TRUE;
+}
+
+
+GstPluginDesc plugin_desc = {
+ GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "aftypes",
+ plugin_init
+};
+
+
+static ssize_t
+gst_aftypes_vf_read (AFvirtualfile *vfile, void *data, size_t nbytes)
+{
+ GstAFTypesBuffer *bwrap = (GstAFTypesBuffer*)vfile->closure;
+ long bufsize = GST_BUFFER_SIZE(bwrap->buffer);
+ guchar *bytes = GST_BUFFER_DATA(bwrap->buffer);
+
+ if (bwrap->offset + nbytes > bufsize){
+ nbytes = bufsize;
+ }
+
+ bytes += bwrap->offset;
+ memcpy(data, bytes, nbytes);
+ bwrap->offset += nbytes;
+
+ g_print("read %d bytes\n", nbytes);
+
+ return nbytes;
+}
+
+static long
+gst_aftypes_vf_seek (AFvirtualfile *vfile, long offset, int is_relative)
+{
+ GstAFTypesBuffer *bwrap = (GstAFTypesBuffer*)vfile->closure;
+ long bufsize = GST_BUFFER_SIZE(bwrap->buffer);
+
+ g_print("request seek to: %ld\n", offset);
+ if (!is_relative){
+ if (offset > bufsize || offset < 0){
+ return -1;
+ }
+ bwrap->offset = offset;
+ }
+ else {
+ if (bwrap->offset + offset > bufsize ||
+ bwrap->offset + offset < 0){
+ return -1;
+ }
+ bwrap->offset += offset;
+ }
+
+ g_print("seek to: %ld\n", bwrap->offset);
+ return bwrap->offset;
+}
+
+static long
+gst_aftypes_vf_length (AFvirtualfile *vfile)
+{
+ GstAFTypesBuffer *bwrap = (GstAFTypesBuffer*)vfile->closure;
+ return GST_BUFFER_SIZE(bwrap->buffer);
+}
+
+static ssize_t
+gst_aftypes_vf_write (AFvirtualfile *vfile, const void *data, size_t nbytes)
+{
+ g_warning("shouldn't write to a readonly pad");
+ return 0;
+}
+
+static void
+gst_aftypes_vf_destroy(AFvirtualfile *vfile)
+{
+
+}
+
+static long
+gst_aftypes_vf_tell (AFvirtualfile *vfile)
+{
+ GstAFTypesBuffer *bwrap = (GstAFTypesBuffer*)vfile->closure;
+ g_print("doing tell: %ld\n", bwrap->offset);
+ return bwrap->offset;
+}
+
+
+
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-07 06:05:17 +0000