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authorMax Kellermann <max@duempel.org>2014-09-24 19:13:20 +0200
committerMax Kellermann <max@duempel.org>2014-09-24 22:53:39 +0200
commit78c43edcacb80f89e45ad9d6c97a51924e46c919 (patch)
tree6da9ad005cfc69918eacbf209238d19c5403e28f /src
parentf32d34b9650b34726f002ea067673d565bf6f4bb (diff)
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decoder/mpg123: make variables more local
Diffstat (limited to 'src')
-rw-r--r--src/decoder/plugins/Mpg123DecoderPlugin.cxx31
1 files changed, 11 insertions, 20 deletions
diff --git a/src/decoder/plugins/Mpg123DecoderPlugin.cxx b/src/decoder/plugins/Mpg123DecoderPlugin.cxx
index 013155bf5..1b28f4282 100644
--- a/src/decoder/plugins/Mpg123DecoderPlugin.cxx
+++ b/src/decoder/plugins/Mpg123DecoderPlugin.cxx
@@ -60,14 +60,10 @@ static bool
mpd_mpg123_open(mpg123_handle *handle, const char *path_fs,
AudioFormat &audio_format)
{
- int error;
- int channels, encoding;
- long rate;
-
/* mpg123_open() wants a writable string :-( */
char *const path2 = const_cast<char *>(path_fs);
- error = mpg123_open(handle, path2);
+ int error = mpg123_open(handle, path2);
if (error != MPG123_OK) {
FormatWarning(mpg123_domain,
"libmpg123 failed to open %s: %s",
@@ -77,6 +73,8 @@ mpd_mpg123_open(mpg123_handle *handle, const char *path_fs,
/* obtain the audio format */
+ long rate;
+ int channels, encoding;
error = mpg123_getformat(handle, &rate, &channels, &encoding);
if (error != MPG123_OK) {
FormatWarning(mpg123_domain,
@@ -106,14 +104,10 @@ mpd_mpg123_open(mpg123_handle *handle, const char *path_fs,
static void
mpd_mpg123_file_decode(Decoder &decoder, Path path_fs)
{
- mpg123_handle *handle;
- int error;
- off_t num_samples;
- struct mpg123_frameinfo info;
-
/* open the file */
- handle = mpg123_new(nullptr, &error);
+ int error;
+ mpg123_handle *const handle = mpg123_new(nullptr, &error);
if (handle == nullptr) {
FormatError(mpg123_domain,
"mpg123_new() failed: %s",
@@ -127,7 +121,7 @@ mpd_mpg123_file_decode(Decoder &decoder, Path path_fs)
return;
}
- num_samples = mpg123_length(handle);
+ const off_t num_samples = mpg123_length(handle);
/* tell MPD core we're ready */
@@ -137,6 +131,7 @@ mpd_mpg123_file_decode(Decoder &decoder, Path path_fs)
decoder_initialized(decoder, audio_format, true, duration);
+ struct mpg123_frameinfo info;
if (mpg123_info(handle, &info) != MPG123_OK) {
info.vbr = MPG123_CBR;
info.bitrate = 0;
@@ -156,11 +151,10 @@ mpd_mpg123_file_decode(Decoder &decoder, Path path_fs)
DecoderCommand cmd;
do {
- unsigned char buffer[8192];
- size_t nbytes;
-
/* decode */
+ unsigned char buffer[8192];
+ size_t nbytes;
error = mpg123_read(handle, buffer, sizeof(buffer), &nbytes);
if (error != MPG123_OK) {
if (error != MPG123_DONE)
@@ -205,11 +199,8 @@ static bool
mpd_mpg123_scan_file(Path path_fs,
const struct tag_handler *handler, void *handler_ctx)
{
- mpg123_handle *handle;
int error;
- off_t num_samples;
-
- handle = mpg123_new(nullptr, &error);
+ mpg123_handle *const handle = mpg123_new(nullptr, &error);
if (handle == nullptr) {
FormatError(mpg123_domain,
"mpg123_new() failed: %s",
@@ -223,7 +214,7 @@ mpd_mpg123_scan_file(Path path_fs,
return false;
}
- num_samples = mpg123_length(handle);
+ const off_t num_samples = mpg123_length(handle);
if (num_samples <= 0) {
mpg123_delete(handle);
return false;