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-rw-r--r--src/inputPlugins/mp3_plugin.c88
1 files changed, 70 insertions, 18 deletions
diff --git a/src/inputPlugins/mp3_plugin.c b/src/inputPlugins/mp3_plugin.c
index 8799e1c87..8d2615c4a 100644
--- a/src/inputPlugins/mp3_plugin.c
+++ b/src/inputPlugins/mp3_plugin.c
@@ -35,9 +35,11 @@
#endif
#include "../log.h"
#include "../utils.h"
+#include "../replayGain.h"
#include "../tag.h"
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
@@ -207,13 +209,61 @@ int fillMp3InputBuffer(mp3DecodeData * data) {
}
#ifdef HAVE_ID3TAG
-static MpdTag * mp3_parseId3Tag(mp3DecodeData * data, signed long tagsize) {
- MpdTag * ret = NULL;
+void mp3_getReplayGainInfo(struct id3_tag * tag, ReplayGainInfo ** infoPtr) {
+ int i;
+ char * key;
+ char * value;
+ struct id3_frame * frame;
+ int found = 0;
+
+ if(*infoPtr) freeReplayGainInfo(*infoPtr);
+ *infoPtr = newReplayGainInfo();
+
+ frame = id3_tag_findframe(tag, "TXXX", 0);
+
+ for(i=1;frame;i++) {
+ if(frame->nfields < 3) continue;
+
+ key = (char *) id3_ucs4_latin1duplicate(id3_field_getstring(&frame->fields[1]));
+ value = (char *) id3_ucs4_latin1duplicate(id3_field_getstring(&frame->fields[2]));
+
+ if(strcmp(key, "replaygain_track_gain") == 0) {
+ (*infoPtr)->trackGain = atof(value);
+ found = 1;
+ }
+ else if(strcmp(key, "replaygain_album_gain") == 0) {
+ (*infoPtr)->albumGain = atof(value);
+ found = 1;
+ }
+ else if(strcmp(key, "replaygain_track_peak") == 0) {
+ (*infoPtr)->trackPeak = atof(value);
+ found = 1;
+ }
+ else if(strcmp(key, "replaygain_album_peak") == 0) {
+ (*infoPtr)->albumPeak = atof(value);
+ found = 1;
+ }
+
+ free(key);
+ free(value);
+
+ frame = id3_tag_findframe(tag, "TXXX", i);
+ }
+
+ if(!found) {
+ freeReplayGainInfo(*infoPtr);
+ *infoPtr = NULL;
+ }
+}
+
+static void mp3_parseId3Tag(mp3DecodeData * data, signed long tagsize, MpdTag ** mpdTag, ReplayGainInfo ** replayGainInfo) {
struct id3_tag * id3Tag = NULL;
id3_length_t count;
id3_byte_t const *id3_data;
id3_byte_t * allocated = NULL;
+ if(mpdTag) *mpdTag = NULL;
+
count = data->stream.bufend - data->stream.this_frame;
if(tagsize <= count) {
@@ -251,17 +301,17 @@ static MpdTag * mp3_parseId3Tag(mp3DecodeData * data, signed long tagsize) {
id3Tag = id3_tag_parse(id3_data, tagsize);
if(id3Tag) {
- ret = parseId3Tag(id3Tag);
+ if(mpdTag) *mpdTag = parseId3Tag(id3Tag);
+ if(replayGainInfo) mp3_getReplayGainInfo(id3Tag, replayGainInfo);
id3_tag_delete(id3Tag);
}
fail:
if(allocated) free(allocated);
- return ret;
}
#endif
-int decodeNextFrameHeader(mp3DecodeData * data, MpdTag ** tag) {
+int decodeNextFrameHeader(mp3DecodeData * data, MpdTag ** tag, ReplayGainInfo ** replayGainInfo) {
if((data->stream).buffer==NULL || (data->stream).error==MAD_ERROR_BUFLEN) {
if(fillMp3InputBuffer(data) < 0) {
return DECODE_BREAK;
@@ -279,8 +329,7 @@ int decodeNextFrameHeader(mp3DecodeData * data, MpdTag ** tag) {
if(tagsize>0) {
if(tag && !(*tag)) {
- *tag = mp3_parseId3Tag(data, tagsize);
-
+ mp3_parseId3Tag(data, tagsize, tag, replayGainInfo);
}
else {
mad_stream_skip(&(data->stream),
@@ -408,7 +457,7 @@ fail:
}
int decodeFirstFrame(mp3DecodeData * data, DecoderControl * dc,
- MpdTag ** tag)
+ MpdTag ** tag, ReplayGainInfo ** replayGainInfo)
{
struct xing xing;
int ret;
@@ -419,7 +468,7 @@ int decodeFirstFrame(mp3DecodeData * data, DecoderControl * dc,
while(1) {
skip = 0;
- while((ret = decodeNextFrameHeader(data, tag))==DECODE_CONT &&
+ while((ret = decodeNextFrameHeader(data, tag, replayGainInfo))==DECODE_CONT &&
(!dc || !dc->stop));
if(ret==DECODE_SKIP) skip = 1;
else if(ret==DECODE_BREAK || (dc && dc->stop)) return -1;
@@ -485,7 +534,7 @@ int getMp3TotalTime(char * file) {
if(openInputStream(&inStream, file) < 0) return -1;
initMp3DecodeData(&data,&inStream);
- if(decodeFirstFrame(&data, NULL, NULL)<0) ret = -1;
+ if(decodeFirstFrame(&data, NULL, NULL,NULL)<0) ret = -1;
else ret = data.totalTime+0.5;
mp3DecodeDataFinalize(&data);
closeInputStream(&inStream);
@@ -494,11 +543,11 @@ int getMp3TotalTime(char * file) {
}
int openMp3FromInputStream(InputStream * inStream, mp3DecodeData * data,
- DecoderControl * dc, MpdTag ** tag)
+ DecoderControl * dc, MpdTag ** tag, ReplayGainInfo ** replayGainInfo)
{
initMp3DecodeData(data, inStream);
*tag = NULL;
- if(decodeFirstFrame(data, dc, tag)<0) {
+ if(decodeFirstFrame(data, dc, tag, replayGainInfo)<0) {
mp3DecodeDataFinalize(data);
if(tag && *tag) freeMpdTag(*tag);
return -1;
@@ -507,7 +556,7 @@ int openMp3FromInputStream(InputStream * inStream, mp3DecodeData * data,
return 0;
}
-int mp3Read(mp3DecodeData * data, OutputBuffer * cb, DecoderControl * dc) {
+int mp3Read(mp3DecodeData * data, OutputBuffer * cb, DecoderControl * dc, ReplayGainInfo ** replayGainInfo) {
int i;
int ret;
int skip;
@@ -593,7 +642,7 @@ int mp3Read(mp3DecodeData * data, OutputBuffer * cb, DecoderControl * dc) {
data->outputBuffer,
data->elapsedTime,
data->bitRate/1000,
- NULL);
+ (replayGainInfo != NULL) ? *replayGainInfo : NULL);
if(ret == OUTPUT_BUFFER_DC_STOP) {
data->flush = 0;
return DECODE_BREAK;
@@ -635,7 +684,7 @@ int mp3Read(mp3DecodeData * data, OutputBuffer * cb, DecoderControl * dc) {
while(1) {
skip = 0;
- while((ret = decodeNextFrameHeader(data, NULL))==DECODE_CONT &&
+ while((ret = decodeNextFrameHeader(data, NULL, replayGainInfo))==DECODE_CONT &&
!dc->stop && !dc->seek);
if(ret==DECODE_BREAK || dc->stop || dc->seek) break;
else if(ret==DECODE_SKIP) skip = 1;
@@ -661,8 +710,9 @@ void initAudioFormatFromMp3DecodeData(mp3DecodeData * data, AudioFormat * af) {
int mp3_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream) {
mp3DecodeData data;
MpdTag * tag = NULL;
+ ReplayGainInfo * replayGainInfo = NULL;
- if(openMp3FromInputStream(inStream, &data, dc, &tag) < 0) {
+ if(openMp3FromInputStream(inStream, &data, dc, &tag, &replayGainInfo) < 0) {
closeInputStream(inStream);
if(!dc->stop) {
ERROR("Input does not appear to be a mp3 bit stream.\n");
@@ -714,7 +764,7 @@ int mp3_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream) {
dc->state = DECODE_STATE_DECODE;
- while(mp3Read(&data,cb,dc)!=DECODE_BREAK);
+ while(mp3Read(&data,cb,dc, &replayGainInfo)!=DECODE_BREAK);
/* send last little bit if not dc->stop */
if(!dc->stop && data.outputPtr!=data.outputBuffer && data.flush) {
sendDataToOutputBuffer(cb, NULL, dc,
@@ -722,9 +772,11 @@ int mp3_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream) {
data.outputBuffer,
data.outputPtr-data.outputBuffer,
data.elapsedTime,data.bitRate/1000,
- NULL);
+ replayGainInfo);
}
+ if (replayGainInfo) freeReplayGainInfo(replayGainInfo);
+
closeInputStream(inStream);
if(dc->seek && data.muteFrame == MUTEFRAME_SEEK) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 17:20:49 +0000