From 3aba9b2a668170babcafe4a4ee9b6ca684ed51e4 Mon Sep 17 00:00:00 2001 From: Warren Dukes Date: Mon, 31 May 2004 02:42:22 +0000 Subject: mp4_plugin git-svn-id: https://svn.musicpd.org/mpd/trunk@1249 09075e82-0dd4-0310-85a5-a0d7c8717e4f --- src/mp4_decode.c | 316 ------------------------------------------------------- 1 file changed, 316 deletions(-) delete mode 100644 src/mp4_decode.c (limited to 'src/mp4_decode.c') diff --git a/src/mp4_decode.c b/src/mp4_decode.c deleted file mode 100644 index 219053538..000000000 --- a/src/mp4_decode.c +++ /dev/null @@ -1,316 +0,0 @@ -/* 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 - * - * 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 "inputStream.h" -#include "outputBuffer.h" -#include "decode.h" - -#include "mp4ff/mp4ff.h" - -#include -#include -#include -#include -#include - -/* all code here is either based on or copied from FAAD2's frontend code */ - -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; -#ifdef HAVE_MP4AUDIOSPECIFICCONFIG - mp4AudioSpecificConfig mp4ASC; -#else - unsigned long dummy1_32; - unsigned char dummy2_8, dummy3_8, dummy4_8, dummy5_8, dummy6_8, - dummy7_8, dummy8_8; -#endif - - mp4ff_get_decoder_config(infile, i, &buff, &buff_size); - - if (buff) { -#ifdef HAVE_MP4AUDIOSPECIFICCONFIG - rc = AudioSpecificConfig(buff, buff_size, &mp4ASC); -#else - rc = AudioSpecificConfig(buff, &dummy1_32, &dummy2_8, - &dummy3_8, &dummy4_8, &dummy5_8, - &dummy6_8, &dummy7_8, &dummy8_8); -#endif - free(buff); - if (rc < 0) continue; - return i; - } - } - - /* can't decode this */ - return -1; -} - -uint32_t mp4_inputStreamReadCallback(void *inStream, void *buffer, - uint32_t length) -{ - return readFromInputStream((InputStream*) inStream, buffer, 1, length); -} - -uint32_t mp4_inputStreamSeekCallback(void *inStream, uint64_t position) { - return seekInputStream((InputStream *) inStream, position, SEEK_SET); -} - - -int mp4_decode(OutputBuffer * cb, DecoderControl * dc) { - mp4ff_t * mp4fh; - mp4ff_callback_t * mp4cb; - int32_t track; - float time; - int32_t scale; - faacDecHandle decoder; - faacDecFrameInfo frameInfo; - faacDecConfigurationPtr config; - unsigned char * mp4Buffer; - int mp4BufferSize; - unsigned long sampleRate; - unsigned char channels; - long sampleId; - long numSamples; - int eof = 0; - long dur; - unsigned int sampleCount; - char * sampleBuffer; - size_t sampleBufferLen; - unsigned int initial = 1; - float * seekTable; - long seekTableEnd = -1; - int seekPositionFound = 0; - long offset; - mpd_uint16 bitRate = 0; - InputStream inStream; - - if(openInputStream(&inStream,dc->file) < 0) { - ERROR("failed to open %s\n",dc->file); - return -1; - } - - mp4cb = malloc(sizeof(mp4ff_callback_t)); - mp4cb->read = mp4_inputStreamReadCallback; - mp4cb->seek = mp4_inputStreamSeekCallback; - mp4cb->user_data = &inStream; - - mp4fh = mp4ff_open_read(mp4cb); - if(!mp4fh) { - ERROR("Input does not appear to be a mp4 stream.\n"); - free(mp4cb); - closeInputStream(&inStream); - return -1; - } - - track = mp4_getAACTrack(mp4fh); - if(track < 0) { - ERROR("No AAC track found in mp4 stream.\n"); - mp4ff_close(mp4fh); - closeInputStream(&inStream); - free(mp4cb); - return -1; - } - - decoder = faacDecOpen(); - - config = faacDecGetCurrentConfiguration(decoder); - config->outputFormat = FAAD_FMT_16BIT; -#ifdef HAVE_FAACDECCONFIGURATION_DOWNMATRIX - config->downMatrix = 1; -#endif -#ifdef HAVE_FAACDECCONFIGURATION_DONTUPSAMPLEIMPLICITSBR - config->dontUpSampleImplicitSBR = 0; -#endif - faacDecSetConfiguration(decoder,config); - - dc->audioFormat.bits = 16; - - mp4Buffer = NULL; - mp4BufferSize = 0; - mp4ff_get_decoder_config(mp4fh,track,&mp4Buffer,&mp4BufferSize); - - if(faacDecInit2(decoder,mp4Buffer,mp4BufferSize,&sampleRate,&channels) - < 0) - { - ERROR("Error not a AAC stream.\n"); - faacDecClose(decoder); - mp4ff_close(mp4fh); - free(mp4cb); - closeInputStream(&inStream); - return -1; - } - - dc->audioFormat.sampleRate = sampleRate; - dc->audioFormat.channels = channels; - time = mp4ff_get_track_duration_use_offsets(mp4fh,track); - scale = mp4ff_time_scale(mp4fh,track); - - if(mp4Buffer) free(mp4Buffer); - - if(scale < 0) { - ERROR("Error getting audio format of mp4 AAC track.\n"); - faacDecClose(decoder); - mp4ff_close(mp4fh); - closeInputStream(&inStream); - free(mp4cb); - return -1; - } - dc->totalTime = ((float)time)/scale; - - numSamples = mp4ff_num_samples(mp4fh,track); - - time = 0.0; - - seekTable = malloc(sizeof(float)*numSamples); - - for(sampleId=0; sampleIdseek && seekTableEnd>1 && - seekTable[seekTableEnd]>=dc->seekWhere) - { - int i = 2; - while(seekTable[i]seekWhere) i++; - sampleId = i-1; - time = seekTable[sampleId]; - } - - dur = mp4ff_get_sample_duration(mp4fh,track,sampleId); - offset = mp4ff_get_sample_offset(mp4fh,track,sampleId); - - if(sampleId>seekTableEnd) { - seekTable[sampleId] = time; - seekTableEnd = sampleId; - } - - if(sampleId==0) dur = 0; - if(offset>dur) dur = 0; - else dur-=offset; - time+=((float)dur)/scale; - - if(dc->seek && time>dc->seekWhere) seekPositionFound = 1; - - if(dc->seek && seekPositionFound) { - seekPositionFound = 0; - clearOutputBuffer(cb); - dc->seek = 0; - } - - if(dc->seek) continue; - - if(mp4ff_read_sample(mp4fh,track,sampleId,&mp4Buffer, - &mp4BufferSize) == 0) - { - eof = 1; - continue; - } - -#ifdef HAVE_FAAD_BUFLEN_FUNCS - sampleBuffer = faacDecDecode(decoder,&frameInfo,mp4Buffer, - mp4BufferSize); -#else - sampleBuffer = faacDecDecode(decoder,&frameInfo,mp4Buffer); -#endif - - if(mp4Buffer) free(mp4Buffer); - if(frameInfo.error > 0) { - ERROR("error decoding MP4 file: %s\n",dc->file); - ERROR("faad2 error: %s\n", - faacDecGetErrorMessage(frameInfo.error)); - eof = 1; - break; - } - - if(dc->state != DECODE_STATE_DECODE) { - channels = frameInfo.channels; -#ifdef HAVE_FAACDECFRAMEINFO_SAMPLERATE - scale = frameInfo.samplerate; -#endif - dc->audioFormat.sampleRate = scale; - dc->audioFormat.channels = frameInfo.channels; - getOutputAudioFormat(&(dc->audioFormat), - &(cb->audioFormat)); - dc->state = DECODE_STATE_DECODE; - } - - if(channels*(dur+offset) > frameInfo.samples) { - dur = frameInfo.samples/channels; - offset = 0; - } - - sampleCount = (unsigned long)(dur*channels); - - if(sampleCount>0) { - initial =0; - bitRate = frameInfo.bytesconsumed*8.0* - frameInfo.channels*scale/ - frameInfo.samples/1000+0.5; - } - - - sampleBufferLen = sampleCount*2; - - sampleBuffer+=offset*channels*2; - - sendDataToOutputBuffer(cb, NULL, dc, 1, sampleBuffer, - sampleBufferLen, time, bitRate); - if(dc->stop) { - eof = 1; - break; - } - } - - flushOutputBuffer(cb); - - free(seekTable); - faacDecClose(decoder); - mp4ff_close(mp4fh); - closeInputStream(&inStream); - free(mp4cb); - - if(dc->state != DECODE_STATE_DECODE) return -1; - - /*if(dc->seek) { - dc->seekError = 1; - dc->seek = 0; - }*/ - - if(dc->stop) { - dc->state = DECODE_STATE_STOP; - dc->stop = 0; - } - else dc->state = DECODE_STATE_STOP; - - return 0; -} - -#endif /* HAVE_FAAD */ -/* vim:set shiftwidth=4 tabstop=8 expandtab: */ -- cgit v1.2.3