From e02659f6c0a7ad77fb8e765b0c555342cf3b1752 Mon Sep 17 00:00:00 2001 From: Warren Dukes 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/inputPlugins/mpc_plugin.c | 176 ++++++++++++++++++++++++------------------ 1 file changed, 99 insertions(+), 77 deletions(-) (limited to 'src/inputPlugins') 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