From e02659f6c0a7ad77fb8e765b0c555342cf3b1752 Mon Sep 17 00:00:00 2001
From: Warren Dukes <warren.dukes@gmail.com>
Date: Tue, 1 Feb 2005 03:20:16 +0000
Subject: will compile if you manually add "HAVE_MUSEPACK" to config.h and
-lmusepack to MPD_LIBS in Makefile
git-svn-id: https://svn.musicpd.org/mpd/trunk@2919 09075e82-0dd4-0310-85a5-a0d7c8717e4f
---
src/Makefile.am | 1 +
src/inputPlugin.c | 2 +
src/inputPlugins/mpc_plugin.c | 176 ++++++++++++++++++++++++------------------
3 files changed, 102 insertions(+), 77 deletions(-)
diff --git a/src/Makefile.am b/src/Makefile.am
index dbde9a3a0..595259c26 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -13,6 +13,7 @@ mpd_inputPlugins = \
inputPlugins/mod_plugin.c \
inputPlugins/mp3_plugin.c \
inputPlugins/mp4_plugin.c \
+ inputPlugins/mpc_plugin.c \
inputPlugins/ogg_plugin.c
diff --git a/src/inputPlugin.c b/src/inputPlugin.c
index 83ba2e38f..2fe20f5fc 100644
--- a/src/inputPlugin.c
+++ b/src/inputPlugin.c
@@ -113,6 +113,7 @@ extern InputPlugin oggPlugin;
extern InputPlugin flacPlugin;
extern InputPlugin audiofilePlugin;
extern InputPlugin mp4Plugin;
+extern InputPlugin mpcPlugin;
extern InputPlugin aacPlugin;
extern InputPlugin modPlugin;
@@ -125,6 +126,7 @@ void initInputPlugins() {
loadInputPlugin(&flacPlugin);
loadInputPlugin(&audiofilePlugin);
loadInputPlugin(&mp4Plugin);
+ loadInputPlugin(&mpcPlugin);
loadInputPlugin(&modPlugin);
}
diff --git a/src/inputPlugins/mpc_plugin.c b/src/inputPlugins/mpc_plugin.c
index f2c84b22c..4cb53ec06 100644
--- a/src/inputPlugins/mpc_plugin.c
+++ b/src/inputPlugins/mpc_plugin.c
@@ -18,7 +18,7 @@
#include "../inputPlugin.h"
-#ifdef HAVE_MPC
+#ifdef HAVE_MUSEPACK
#include "../utils.h"
#include "../audio.h"
@@ -41,14 +41,14 @@ typedef struct _MpcCallbackData {
/* this is just for tag parsing for db import! */
int getMpcTotalTime(char * file) {
- int totalTime = 0
+ int totalTime = 0;
return totalTime;
}
-mpc_int32_t mpc_read_cb(void * vdata, void * ptr, size_t size) {
+mpc_int32_t mpc_read_cb(void * vdata, void * ptr, mpc_int32_t size) {
mpc_int32_t ret = 0;
- OggCallbackData * data = (OggCallbackData *)vdata;
+ MpcCallbackData * data = (MpcCallbackData *)vdata;
while(1) {
ret = readFromInputStream(data->inStream, ptr, size, 1);
@@ -63,32 +63,59 @@ mpc_int32_t mpc_read_cb(void * vdata, void * ptr, size_t size) {
return ret;
}
-static mpc_bool_t ogg_seek_cb(void * vdata, ogg_int64_t offset) {
- OggCallbackData * data = (OggCallbackData *)vdata;
+static mpc_bool_t mpc_seek_cb(void * vdata, mpc_int32_t offset) {
+ MpcCallbackData * data = (MpcCallbackData *)vdata;
- return data->inStream->seekable ?
- !seekInputStream(data->inStream , offset, SEEK_SET) :
- false;
+ return !seekInputStream(data->inStream , offset, SEEK_SET);
}
-mpd_int32_t mpc_tell_cb(void * vdata) {
- OggCallbackData * data = (OggCallbackData *)vdata;
+mpc_int32_t mpc_tell_cb(void * vdata) {
+ MpcCallbackData * data = (MpcCallbackData *)vdata;
return (long)(data->inStream->offset);
}
mpc_bool_t mpc_canseek_cb(void * vdata) {
- OggCallbackData * data = (OggCallbackData *)vdata;
+ MpcCallbackData * data = (MpcCallbackData *)vdata;
return data->inStream->seekable;
}
mpc_int32_t mpc_getsize_cb(void * vdata) {
- OggCallbackData * data = (OggCallbackData *)vdata;
+ MpcCallbackData * data = (MpcCallbackData *)vdata;
return data->inStream->size;
}
+inline mpd_sint16 convertSample(MPC_SAMPLE_FORMAT sample) {
+ /* only doing 16-bit audio for now */
+ mpd_sint32 val;
+
+ const int clip_min = -1 << (16 - 1);
+ const int clip_max = (1 << (16 - 1)) - 1;
+
+#ifdef MPC_FIXED_POINT
+ const int shift = 16 - MPC_FIXED_POINT_SCALE_SHIFT;
+
+ if( ssample > 0 ) {
+ sample <<= shift;
+ }
+ else if ( shift < 0 ) {
+ sample >>= -shift;
+ }
+ val = sample;
+#else
+ const int float_scale = 1 << (16 - 1);
+
+ val = sample * float_scale;
+#endif
+
+ if( val < clip_min) val = clip_min;
+ else if ( val > clip_max ) val = clip_max;
+
+ return val;
+}
+
int mpc_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
{
mpc_decoder decoder;
@@ -96,8 +123,8 @@ int mpc_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
mpc_streaminfo info;
MpcCallbackData data;
- data.inStream = inStream;
- data.dc = dc;
+
+ MPC_SAMPLE_FORMAT sample_buffer[MPC_DECODER_BUFFER_LENGTH];
int eof = 0;
long ret;
@@ -105,7 +132,12 @@ int mpc_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
char chunk[MPC_CHUNK_SIZE];
int chunkpos = 0;
long bitRate = 0;
- char ** comments;
+ mpd_sint16 * s16 = (mpd_sint16 *) chunk;
+ unsigned long samplePos = 0;
+ mpc_uint32_t vbrUpdateAcc;
+ mpc_uint32_t vbrUpdateBits;
+ float time;
+ int i;
data.inStream = inStream;
data.dc = dc;
@@ -143,75 +175,72 @@ int mpc_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
}
}
- dc->totalTime = 0;
+ dc->totalTime = mpc_streaminfo_get_length(&info);
dc->audioFormat.bits = 16;
+ dc->audioFormat.sampleRate = info.sample_freq;
while(!eof) {
if(dc->seek) {
- if(0 == ov_time_seek_page(&vf,dc->seekWhere)) {
+ samplePos = dc->seekWhere * dc->audioFormat.sampleRate;
+ if(0 == mpc_decoder_seek_sample(&decoder, samplePos)) {
clearOutputBuffer(cb);
chunkpos = 0;
}
else dc->seekError = 1;
dc->seek = 0;
}
- ret = ov_read(&vf, chunk+chunkpos,
- OGG_CHUNK_SIZE-chunkpos,
- OGG_DECODE_USE_BIGENDIAN,
- 2, 1, ¤t_section);
-
- if(current_section!=prev_section) {
- /*printf("new song!\n");*/
- vorbis_info *vi=ov_info(&vf,-1);
- dc->audioFormat.channels = vi->channels;
- dc->audioFormat.sampleRate = vi->rate;
- if(dc->state == DECODE_STATE_START) {
- getOutputAudioFormat(&(dc->audioFormat),
- &(cb->audioFormat));
- dc->state = DECODE_STATE_DECODE;
- }
- comments = ov_comment(&vf, -1)->user_comments;
- putOggCommentsIntoOutputBuffer(cb, inStream->metaName,
- comments);
- ogg_getReplayGainInfo(comments, &replayGainInfo);
- }
+ ret = mpc_decoder_decode(&decoder, sample_buffer,
+ &vbrUpdateAcc, &vbrUpdateBits);
- prev_section = current_section;
-
- if(ret <= 0 && ret != OV_HOLE) {
+ if(ret <= 0 ) {
eof = 1;
break;
}
- if(ret == OV_HOLE) ret = 0;
- chunkpos+=ret;
+ samplePos += ret;
- if(chunkpos >= OGG_CHUNK_SIZE) {
- if((test = ov_bitrate_instant(&vf))>0) {
- bitRate = test/1000;
- }
- sendDataToOutputBuffer(cb, inStream, dc,
+ /* ret is in samples, and we have stereo */
+ ret *= 2;
+
+ for(i = 0; i < ret; i++) {
+ /* 16 bit audio again */
+ *s16 = convertSample(sample_buffer[i]);
+ chunkpos += 2;
+ s16++;
+
+ if(chunkpos >= MPC_CHUNK_SIZE) {
+ time = ((float)samplePos) /
+ dc->audioFormat.sampleRate;
+
+ bitRate = vbrUpdateBits *
+ dc->audioFormat.sampleRate /
+ (MPC_CHUNK_SIZE);
+
+ sendDataToOutputBuffer(cb, inStream, dc,
inStream->seekable,
chunk, chunkpos,
- ov_pcm_tell(&vf)/
- dc->audioFormat.sampleRate,
+ time,
bitRate,
- replayGainInfo);
- chunkpos = 0;
- if(dc->stop) break;
+ NULL);
+ chunkpos = 0;
+ s16 = (mpd_sint16 *)chunk;
+ if(dc->stop) break;
+ }
}
}
if(!dc->stop && chunkpos > 0) {
+ time = ((float)samplePos) / dc->audioFormat.sampleRate;
+
+ bitRate = vbrUpdateBits * dc->audioFormat.sampleRate /
+ chunkpos;
+
sendDataToOutputBuffer(cb, NULL, dc, inStream->seekable,
- chunk, chunkpos,
- ov_time_tell(&vf), bitRate, replayGainInfo);
+ chunk, chunkpos, time, bitRate, NULL);
}
- if(replayGainInfo) freeReplayGainInfo(replayGainInfo);
-
- ov_clear(&vf);
+ closeInputStream(inStream);
flushOutputBuffer(cb);
@@ -224,47 +253,40 @@ int mpc_decode(OutputBuffer * cb, DecoderControl * dc, InputStream * inStream)
return 0;
}
-MpdTag * oggTagDup(char * file) {
+MpdTag * mpcTagDup(char * file) {
MpdTag * ret = NULL;
FILE * fp;
- OggVorbis_File vf;
fp = fopen(file,"r");
if(!fp) return NULL;
- if(ov_open(fp,&vf,NULL,0)<0) {
- fclose(fp);
- return NULL;
- }
- ret = oggCommentsParse(ov_comment(&vf,-1)->user_comments);
+ /* get tag info here */
if(!ret) ret = newMpdTag();
- ret->time = (int)(ov_time_total(&vf,-1)+0.5);
-
- ov_clear(&vf);
+ ret->time = getMpcTotalTime(file);
return ret;
}
-char * oggSuffixes[] = {"ogg", NULL};
-char * oggMimeTypes[] = {"application/ogg", NULL};
+char * mpcSuffixes[] = {"mpc", NULL};
+char * mpcMimeTypes[] = {NULL};
-InputPlugin oggPlugin =
+InputPlugin mpcPlugin =
{
- "ogg",
+ "mpc",
NULL,
NULL,
- ogg_decode,
+ mpc_decode,
NULL,
- oggTagDup,
+ mpcTagDup,
INPUT_PLUGIN_STREAM_URL | INPUT_PLUGIN_STREAM_FILE,
- oggSuffixes,
- oggMimeTypes
+ mpcSuffixes,
+ mpcMimeTypes
};
#else
-InputPlugin oggPlugin =
+InputPlugin mpcPlugin =
{
NULL,
NULL,
--
cgit v1.2.3