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ogg: ogg_getReplayGainInfo() returns replay_gain_info pointer 

Some code simplification.  Avoid pointers to pointers.
This commit is contained in:
Max Kellermann 2008-11-11 16:19:00 +01:00
parent 837cefdb04
commit e2c07dbbbc
1 changed files with 20 additions and 13 deletions
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33
src/decoder/oggvorbis_plugin.c
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@ -93,33 +93,31 @@ static const char *ogg_parseComment(const char *comment, const char *needle)
return NULL;
}
static void
ogg_getReplayGainInfo(char **comments,
struct replay_gain_info **infoPtr)
static struct replay_gain_info *
ogg_getReplayGainInfo(char **comments)
{
struct replay_gain_info *rgi;
const char *temp;
bool found = false;
if (*infoPtr)
replay_gain_info_free(*infoPtr);
*infoPtr = replay_gain_info_new();
rgi = replay_gain_info_new();
while (*comments) {
if ((temp =
ogg_parseComment(*comments, "replaygain_track_gain"))) {
(*infoPtr)->track_gain = atof(temp);
rgi->track_gain = atof(temp);
found = true;
} else if ((temp = ogg_parseComment(*comments,
"replaygain_album_gain"))) {
(*infoPtr)->album_gain = atof(temp);
rgi->album_gain = atof(temp);
found = true;
} else if ((temp = ogg_parseComment(*comments,
"replaygain_track_peak"))) {
(*infoPtr)->track_peak = atof(temp);
rgi->track_peak = atof(temp);
found = true;
} else if ((temp = ogg_parseComment(*comments,
"replaygain_album_peak"))) {
(*infoPtr)->album_peak = atof(temp);
rgi->album_peak = atof(temp);
found = true;
}
@ -127,9 +125,11 @@ ogg_getReplayGainInfo(char **comments,
}
if (!found) {
replay_gain_info_free(*infoPtr);
*infoPtr = NULL;
replay_gain_info_free(rgi);
rgi = NULL;
}
return rgi;
}
static const char *VORBIS_COMMENT_TRACK_KEY = "tracknumber";
@ -275,6 +275,8 @@ oggvorbis_decode(struct decoder *decoder, struct input_stream *inStream)
if (current_section != prev_section) {
/*printf("new song!\n"); */
vorbis_info *vi = ov_info(&vf, -1);
struct replay_gain_info *new_rgi;
audio_format.channels = vi->channels;
audio_format.sample_rate = vi->rate;
if (!initialized) {
@ -289,7 +291,12 @@ oggvorbis_decode(struct decoder *decoder, struct input_stream *inStream)
comments = ov_comment(&vf, -1)->user_comments;
putOggCommentsIntoOutputBuffer(decoder, inStream,
comments);
ogg_getReplayGainInfo(comments, &replayGainInfo);
new_rgi = ogg_getReplayGainInfo(comments);
if (new_rgi != NULL) {
if (replayGainInfo != NULL)
replay_gain_info_free(replayGainInfo);
replayGainInfo = new_rgi;
}
}
prev_section = current_section;