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authorViliam Mateicka <viliam.mateicka@gmail.com>2008-12-03 20:26:08 +0100
committerViliam Mateicka <viliam.mateicka@gmail.com>2008-12-03 20:26:08 +0100
commite61ba50ebd77e992f36deddb7f579c090eff0995 (patch)
tree3e70c4f773c43c9004646a3a3c89118963ce232b /src
parentb84f20257a261a3db8f8aa20f3f7455fd81d5fdb (diff)
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decoder: audiofile plugin using input stream instead of file
Diffstat (limited to 'src')
-rw-r--r--src/decoder/audiofile_plugin.c89
1 files changed, 74 insertions, 15 deletions
diff --git a/src/decoder/audiofile_plugin.c b/src/decoder/audiofile_plugin.c
index c862074b5..c4c72ea42 100644
--- a/src/decoder/audiofile_plugin.c
+++ b/src/decoder/audiofile_plugin.c
@@ -20,8 +20,8 @@
#include "../decoder_api.h"
-#include <sys/stat.h>
#include <audiofile.h>
+#include <af_vfs.h>
#include <glib.h>
#undef G_LOG_DOMAIN
@@ -44,27 +44,79 @@ static int getAudiofileTotalTime(const char *file)
return total_time;
}
+static ssize_t
+audiofile_file_read(AFvirtualfile *vfile, void *data, size_t nbytes)
+{
+ struct input_stream *is = (struct input_stream *) vfile->closure;
+ return input_stream_read(is, data, nbytes);
+}
+
+static long
+audiofile_file_length(AFvirtualfile *vfile)
+{
+ struct input_stream *is = (struct input_stream *) vfile->closure;
+ return is->size;
+}
+
+static long
+audiofile_file_tell(AFvirtualfile *vfile)
+{
+ struct input_stream *is = (struct input_stream *) vfile->closure;
+ return is->offset;
+}
+
+static void
+audiofile_file_destroy(AFvirtualfile *vfile)
+{
+ struct input_stream *is = (struct input_stream *) vfile->closure;
+ vfile->closure = NULL;
+ input_stream_close(is);
+}
+
+static long
+audiofile_file_seek(AFvirtualfile *vfile, long offset, int is_relative)
+{
+ struct input_stream *is = (struct input_stream *) vfile->closure;
+ int whence = (is_relative ? SEEK_CUR : SEEK_SET);
+ if (input_stream_seek(is, offset, whence)) {
+ return is->offset;
+ } else {
+ return -1;
+ }
+}
+
+static AFvirtualfile *
+setup_virtual_fops(struct input_stream *stream)
+{
+ AFvirtualfile *vf = g_malloc(sizeof(AFvirtualfile));
+ vf->closure = stream;
+ vf->write = NULL;
+ vf->read = audiofile_file_read;
+ vf->length = audiofile_file_length;
+ vf->destroy = audiofile_file_destroy;
+ vf->seek = audiofile_file_seek;
+ vf->tell = audiofile_file_tell;
+ return vf;
+}
+
static void
-audiofile_decode(struct decoder *decoder, const char *path)
+audiofile_streamdecode(struct decoder * decoder, struct input_stream *inStream)
{
+ AFvirtualfile *vf;
int fs, frame_count;
AFfilehandle af_fp;
int bits;
struct audio_format audio_format;
float total_time;
uint16_t bitRate;
- struct stat st;
int ret, current = 0;
char chunk[CHUNK_SIZE];
- if (stat(path, &st) < 0) {
- g_warning("failed to stat: %s\n", path);
- return;
- }
+ vf = setup_virtual_fops(inStream);
- af_fp = afOpenFile(path, "r", NULL);
+ af_fp = afOpenVirtualFile(vf, "r", NULL);
if (af_fp == AF_NULL_FILEHANDLE) {
- g_warning("failed to open: %s\n", path);
+ g_warning("failed to input stream\n");
return;
}
@@ -89,7 +141,7 @@ audiofile_decode(struct decoder *decoder, const char *path)
total_time = ((float)frame_count / (float)audio_format.sample_rate);
- bitRate = (uint16_t)(st.st_size * 8.0 / total_time / 1000.0 + 0.5);
+ bitRate = (uint16_t)(inStream->size * 8.0 / total_time / 1000.0 + 0.5);
fs = (int)afGetVirtualFrameSize(af_fp, AF_DEFAULT_TRACK, 1);
@@ -118,7 +170,7 @@ audiofile_decode(struct decoder *decoder, const char *path)
afCloseFile(af_fp);
}
-static struct tag *audiofileTagDup(const char *file)
+static struct tag *audiofile_tag_dup(const char *file)
{
struct tag *ret = NULL;
int total_time = getAudiofileTotalTime(file);
@@ -134,13 +186,20 @@ static struct tag *audiofileTagDup(const char *file)
return ret;
}
-static const char *const audiofileSuffixes[] = {
+static const char *const audiofile_suffixes[] = {
"wav", "au", "aiff", "aif", NULL
};
+static const char *const audiofile_mime_types[] = {
+ "audio/x-wav",
+ "audio/x-aiff",
+ NULL
+};
+
const struct decoder_plugin audiofilePlugin = {
.name = "audiofile",
- .file_decode = audiofile_decode,
- .tag_dup = audiofileTagDup,
- .suffixes = audiofileSuffixes,
+ .stream_decode = audiofile_streamdecode,
+ .tag_dup = audiofile_tag_dup,
+ .suffixes = audiofile_suffixes,
+ .mime_types = audiofile_mime_types,
};