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authorWarren Dukes <warren.dukes@gmail.com>2004-03-18 13:47:41 +0000
committerWarren Dukes <warren.dukes@gmail.com>2004-03-18 13:47:41 +0000
commitf409d85bbdde60c3acc175c9ad30a6f9d372e9a8 (patch)
treecd55f2bb9e16ca24974cdbcab54d7d16f3fad06c
parentdeb06d9c6f336eb2d47df61d48ab6433f07a89f8 (diff)
downloadmpd-f409d85bbdde60c3acc175c9ad30a6f9d372e9a8.tar.gz
mpd-f409d85bbdde60c3acc175c9ad30a6f9d372e9a8.tar.xz
mpd-f409d85bbdde60c3acc175c9ad30a6f9d372e9a8.zip
initial mp4/aac decoder, hasn't been tested at all yet, just compiles
git-svn-id: https://svn.musicpd.org/mpd/trunk@275 09075e82-0dd4-0310-85a5-a0d7c8717e4f
-rw-r--r--src/Makefile.am6
-rw-r--r--src/libid3tag/config.h.in6
-rw-r--r--src/libmad/config.h.in6
-rw-r--r--src/mp4_decode.c288
-rw-r--r--src/mp4_decode.h42
-rw-r--r--src/tag.c39
6 files changed, 342 insertions, 45 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index a663cca7f..7e4b12090 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -4,12 +4,14 @@ mpd_headers = buffer2array.h interface.h command.h playlist.h ls.h \
song.h list.h directory.h tables.h utils.h path.h mp3_decode.h \
tag.h player.h listen.h conf.h ogg_decode.h volume.h flac_decode.h \
audio.h playerData.h stats.h myfprintf.h sig_handlers.h decode.h log.h \
- audiofile_decode.h charConv.h permission.h mpd_types.h pcm_utils.h
+ audiofile_decode.h charConv.h permission.h mpd_types.h pcm_utils.h \
+ mp4_decode.h
mpd_SOURCES = main.c buffer2array.c interface.c command.c playlist.c ls.c \
song.c list.c directory.c tables.c utils.c path.c mp3_decode.c \
tag.c player.c listen.c conf.c ogg_decode.c volume.c flac_decode.c \
audio.c playerData.c stats.c myfprintf.c sig_handlers.c decode.c log.c \
- audiofile_decode.c charConv.c permission.c pcm_utils.c $(mpd_headers)
+ audiofile_decode.c charConv.c permission.c pcm_utils.c mp4_decode.c \
+ $(mpd_headers)
mpd_CFLAGS = $(MPD_CFLAGS)
mpd_LDADD = $(MPD_LIBS) $(ID3_LIB) $(MAD_LIB) $(MP4FF_LIB)
diff --git a/src/libid3tag/config.h.in b/src/libid3tag/config.h.in
index ba35b4be9..b4f0f8997 100644
--- a/src/libid3tag/config.h.in
+++ b/src/libid3tag/config.h.in
@@ -72,8 +72,6 @@
/* Define to empty if `const' does not conform to ANSI C. */
#undef const
-/* Define to `__inline__' or `__inline' if that's what the C compiler
- calls it, or to nothing if 'inline' is not supported under any name. */
-#ifndef __cplusplus
+/* Define as `__inline' if that's what the C compiler calls it, or to nothing
+ if it is not supported. */
#undef inline
-#endif
diff --git a/src/libmad/config.h.in b/src/libmad/config.h.in
index a29b58209..2a9671cd2 100644
--- a/src/libmad/config.h.in
+++ b/src/libmad/config.h.in
@@ -125,11 +125,9 @@
/* Define to empty if `const' does not conform to ANSI C. */
#undef const
-/* Define to `__inline__' or `__inline' if that's what the C compiler
- calls it, or to nothing if 'inline' is not supported under any name. */
-#ifndef __cplusplus
+/* Define as `__inline' if that's what the C compiler calls it, or to nothing
+ if it is not supported. */
#undef inline
-#endif
/* Define to `int' if <sys/types.h> does not define. */
#undef pid_t
diff --git a/src/mp4_decode.c b/src/mp4_decode.c
new file mode 100644
index 000000000..a96cc3536
--- /dev/null
+++ b/src/mp4_decode.c
@@ -0,0 +1,288 @@
+/* the Music Player Daemon (MPD)
+ * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
+ * This project's homepage is: http://www.musicpd.org
+ *
+ * libaudiofile (wave) support added by Eric Wong <normalperson@yhbt.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "mp4_decode.h"
+
+#ifdef HAVE_FAAD
+
+#include "command.h"
+#include "utils.h"
+#include "audio.h"
+#include "log.h"
+#include "pcm_utils.h"
+
+#include "mp4ff/mp4ff.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <faad.h>
+
+int mp4_getAACTrack(mp4ff_t *infile) {
+ /* find AAC track */
+ int i, rc;
+ int numTracks = mp4ff_total_tracks(infile);
+
+ for (i = 0; i < numTracks; i++) {
+ unsigned char *buff = NULL;
+ int buff_size = 0;
+ mp4AudioSpecificConfig mp4ASC;
+
+ mp4ff_get_decoder_config(infile, i, &buff, &buff_size);
+
+ if (buff) {
+ rc = AudioSpecificConfig(buff, buff_size, &mp4ASC);
+ free(buff);
+ if (rc < 0) continue;
+ return i;
+ }
+ }
+
+ /* can't decode this */
+ return -1;
+}
+
+uint32_t mp4_readCallback(void *user_data, void *buffer, uint32_t length) {
+ return fread(buffer, 1, length, (FILE*)user_data);
+}
+
+uint32_t mp4_seekCallback(void *user_data, uint64_t position) {
+ return fseek((FILE*)user_data, position, SEEK_SET);
+}
+
+
+int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc)
+{
+ FILE * fh;
+ mp4ff_t * mp4fh;
+ mp4ff_callback_t * mp4cb;
+ int32_t track;
+ int32_t time;
+ int32_t scale;
+ faacDecHandle decoder;
+ faacDecFrameInfo frameInfo;
+ faacDecConfigurationPtr config;
+ mp4AudioSpecificConfig mp4ASC;
+ unsigned char * mp4Buffer;
+ int mp4BufferSize;
+ unsigned int frameSize;
+ unsigned int useAacLength;
+ unsigned long sampleRate;
+ unsigned char channels;
+ long sampleId;
+ long numSamples;
+
+ fh = fopen(dc->file,"r");
+ if(!fh) {
+ ERROR("failed to open %s\n",dc->file);
+ return -1;
+ }
+
+ mp4cb = malloc(sizeof(mp4ff_callback_t));
+ mp4cb->read = mp4_readCallback;
+ mp4cb->seek = mp4_seekCallback;
+ mp4cb->user_data = fh;
+
+ mp4fh = mp4ff_open_read(mp4cb);
+ if(!mp4fh) {
+ ERROR("Input does not appear to be a mp4 stream.\n");
+ free(mp4cb);
+ fclose(fh);
+ return -1;
+ }
+
+ track = mp4_getAACTrack(mp4fh);
+ if(track < 0) {
+ ERROR("No AAC track found in mp4 stream.\n");
+ mp4ff_close(mp4fh);
+ fclose(fh);
+ free(mp4cb);
+ return -1;
+ }
+
+ decoder = faacDecOpen();
+
+ config = faacDecGetCurrentConfiguration(decoder);
+ config->outputFormat = FAAD_FMT_16BIT;
+ config->downMatrix = 1;
+ config->dontUpSampleImplicitSBR = 1;
+ faacDecSetConfiguration(decoder,config);
+
+ af->bits = 16;
+
+ mp4Buffer = NULL;
+ mp4BufferSize = 0;
+ mp4ff_get_decoder_config(mp4fh,track,&mp4Buffer,&mp4BufferSize);
+
+ if(faacDecInit2(decoder,mp4Buffer,mp4BufferSize,&sampleRate,&channels)
+ < 0)
+ {
+ ERROR("Error initializing AAC decoder library.\n");
+ faacDecClose(decoder);
+ mp4ff_close(mp4fh);
+ free(mp4cb);
+ fclose(fh);
+ return -1;
+ }
+
+ af->sampleRate = sampleRate;
+ af->channels = channels;
+ time = mp4ff_get_track_duration_use_offsets(mp4fh,track);
+ scale = mp4ff_time_scale(mp4fh,track);
+ frameSize = 1024;
+ useAacLength = 0;
+
+ if(mp4Buffer) {
+ if(AudioSpecificConfig(mp4Buffer,mp4BufferSize,&mp4ASC) >= 0) {
+ if(mp4ASC.frameLengthFlag==1) frameSize = 960;
+ if(mp4ASC.sbr_present_flag==1) frameSize*= 2;
+ }
+ free(mp4Buffer);
+ }
+
+ if(scale < 0) {
+ ERROR("Error getting audio format of mp4 AAC track.\n");
+ faacDecClose(decoder);
+ mp4ff_close(mp4fh);
+ fclose(fh);
+ free(mp4cb);
+ return -1;
+ }
+ cb->totalTime = ((float)time)/scale;
+
+ numSamples = mp4ff_num_samples(mp4fh,track);
+
+ dc->state = DECODE_STATE_DECODE;
+ dc->start = 0;
+ {
+ int eof = 0;
+ int rc;
+ long dur;
+ unsigned int sampleCount;
+ unsigned int delay = 0;
+ char * sampleBuffer;
+ unsigned int initial = 1;
+ size_t sampleBufferLen;
+
+ for(sampleId=0; sampleId<numSamples && !eof; sampleId++) {
+ if(dc->seek) {
+ cb->end = 0;
+ cb->wrap = 0;
+//#warning implement seeking here!
+ dc->seek = 0;
+ }
+
+ dur = mp4ff_get_sample_duration(mp4fh,track,sampleId);
+ rc = mp4ff_read_sample(mp4fh,track,sampleId,&mp4Buffer,
+ &mp4BufferSize);
+
+ if(rc==0) eof = 1;
+ else {
+ sampleBuffer = faacDecDecode(decoder,
+ &frameInfo,
+ mp4Buffer,
+ mp4BufferSize);
+ if(mp4Buffer) free(mp4Buffer);
+ if(sampleId==0) dur = 0;
+ if(useAacLength || scale!=sampleRate) {
+ sampleCount = frameInfo.samples;
+ }
+ else {
+ sampleCount = (unsigned long)(dur *
+ frameInfo.channels);
+ if(!useAacLength && !initial &&
+ (sampleId < numSamples/2) &&
+ (sampleCount!=
+ frameInfo.samples))
+ {
+ useAacLength = 1;
+ sampleCount = frameInfo.samples;
+ }
+
+ if(initial && (sampleCount < frameSize*
+ frameInfo.channels) &&
+ (frameInfo.samples >
+ sampleCount))
+ {
+ delay = frameInfo.samples -
+ sampleCount;
+ }
+
+ }
+
+ if(sampleCount>0) initial =0;
+ sampleBufferLen = sampleCount*2;
+ sampleBuffer+=delay*2;
+ while(sampleBufferLen > 0) {
+ size_t size = sampleBufferLen>
+ CHUNK_SIZE?
+ CHUNK_SIZE:
+ sampleBufferLen;
+ while(cb->begin==cb->end && cb->wrap &&
+ !dc->stop && !dc->seek)
+ {
+ usleep(10000);
+ }
+ if(dc->stop) {
+ eof = 1;
+ break;
+ }
+ else if(dc->seek) break;
+
+#ifdef WORDS_BIGENDIAN
+ pcm_changeBufferEndianness(sampleBuffer,
+ size,af->bits);
+#endif
+ memcpy(cb->chunks+cb->end*CHUNK_SIZE,
+ sampleBuffer,size);
+ cb->chunkSize[cb->end] = size;
+
+//#warning implement time for AAC
+ cb->times[cb->end] = 0;
+
+ ++cb->end;
+
+ if(cb->end>=buffered_chunks) {
+ cb->end = 0;
+ cb->wrap = 1;
+ }
+ }
+ }
+ }
+
+ if(dc->seek) dc->seek = 0;
+
+ if(dc->stop) {
+ dc->state = DECODE_STATE_STOP;
+ dc->stop = 0;
+ }
+ else dc->state = DECODE_STATE_STOP;
+ }
+
+ faacDecClose(decoder);
+ mp4ff_close(mp4fh);
+ fclose(fh);
+ free(mp4cb);
+
+ return 0;
+}
+
+#endif /* HAVE_FAAD */
diff --git a/src/mp4_decode.h b/src/mp4_decode.h
new file mode 100644
index 000000000..14d0e495c
--- /dev/null
+++ b/src/mp4_decode.h
@@ -0,0 +1,42 @@
+/* the Music Player Daemon (MPD)
+ * (c)2003-2004 by Warren Dukes (shank@mercury.chem.pitt.edu)
+ * This project's homepage is: http://www.musicpd.org
+ *
+ * libaudiofile (wave) support added by Eric Wong <normalperson@yhbt.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef MP4_DECODE_H
+#define MP$_DECODE_H
+
+#include "../config.h"
+
+#ifdef HAVE_FAAD
+
+#include "playerData.h"
+
+#include "mp4ff/mp4ff.h"
+
+int mp4_getAACTrack(mp4ff_t *infile);
+
+uint32_t mp4_readCallback(void *user_data, void *buffer, uint32_t length);
+
+uint32_t mp4_seekCallback(void *user_data, uint64_t position);
+
+int mp4_decode(Buffer * cb, AudioFormat * af, DecoderControl * dc);
+
+#endif /* HAVE_FAAD */
+
+#endif
diff --git a/src/tag.c b/src/tag.c
index 1a0acb3ea..c5b012b79 100644
--- a/src/tag.c
+++ b/src/tag.c
@@ -22,6 +22,7 @@
#include "sig_handlers.h"
#include "mp3_decode.h"
#include "audiofile_decode.h"
+#include "mp4_decode.h"
#include "utils.h"
#include <sys/stat.h>
@@ -173,38 +174,6 @@ MpdTag * mp3TagDup(char * utf8file) {
#ifdef HAVE_FAAD
/* copied from FAAD2 frontend */
-int mp4GetAACTrack(mp4ff_t *infile) {
- /* find AAC track */
- int i, rc;
- int numTracks = mp4ff_total_tracks(infile);
-
- for (i = 0; i < numTracks; i++) {
- unsigned char *buff = NULL;
- int buff_size = 0;
- mp4AudioSpecificConfig mp4ASC;
-
- mp4ff_get_decoder_config(infile, i, &buff, &buff_size);
-
- if (buff) {
- rc = AudioSpecificConfig(buff, buff_size, &mp4ASC);
- free(buff);
- if (rc < 0) continue;
- return i;
- }
- }
-
- /* can't decode this */
- return -1;
-}
-
-uint32_t mp4ReadCallback(void *user_data, void *buffer, uint32_t length) {
- return fread(buffer, 1, length, (FILE*)user_data);
-}
-
-uint32_t mp4SeekCallback(void *user_data, uint64_t position) {
- return fseek((FILE*)user_data, position, SEEK_SET);
-}
-
MpdTag * mp4DataDup(char * utf8file, int * mp4MetadataFound) {
MpdTag * ret = NULL;
FILE * fh;
@@ -225,8 +194,8 @@ MpdTag * mp4DataDup(char * utf8file, int * mp4MetadataFound) {
}
cb = malloc(sizeof(mp4ff_callback_t));
- cb->read = mp4ReadCallback;
- cb->seek = mp4SeekCallback;
+ cb->read = mp4_readCallback;
+ cb->seek = mp4_seekCallback;
cb->user_data = fh;
mp4fh = mp4ff_open_read(cb);
@@ -237,7 +206,7 @@ MpdTag * mp4DataDup(char * utf8file, int * mp4MetadataFound) {
return NULL;
}
- track = mp4GetAACTrack(mp4fh);
+ track = mp4_getAACTrack(mp4fh);
if(track < 0) {
mp4ff_close(mp4fh);
fclose(fh);