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Diffstat (limited to 'faad2/src/plugins/QCDMp4/aac2mp4.cpp')
-rw-r--r--faad2/src/plugins/QCDMp4/aac2mp4.cpp319
1 files changed, 0 insertions, 319 deletions
diff --git a/faad2/src/plugins/QCDMp4/aac2mp4.cpp b/faad2/src/plugins/QCDMp4/aac2mp4.cpp
deleted file mode 100644
index 8dd0811..0000000
--- a/faad2/src/plugins/QCDMp4/aac2mp4.cpp
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
-** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding
-** Copyright (C) 2003 M. Bakker, Ahead Software AG, http://www.nero.com
-**
-** 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.
-**
-** Any non-GPL usage of this software or parts of this software is strictly
-** forbidden.
-**
-** Commercial non-GPL licensing of this software is possible.
-** For more info contact Ahead Software through Mpeg4AAClicense@nero.com.
-**
-** $Id: aac2mp4.cpp,v 1.3 2003/12/06 04:24:17 rjamorim Exp $
-**/
-
-#include <mpeg4ip.h>
-#include <mp4.h>
-#include <mp4av.h>
-
-#include "aac2mp4.h"
-
-int covert_aac_to_mp4(char *inputFileName, char *mp4FileName)
-{
- int Mp4TimeScale = 90000;
- int allMpeg4Streams = 0;
- MP4FileHandle mp4File;
- FILE* inFile;
- const char *type;
- MP4TrackId createdTrackId = MP4_INVALID_TRACK_ID;
-
- mp4File = MP4Create(mp4FileName, 0, 0, 0);
- if (mp4File)
- {
- MP4SetTimeScale(mp4File, Mp4TimeScale);
- } else {
- return 1;
- }
-
- inFile = fopen(inputFileName, "rb");
-
- if (inFile == NULL)
- {
- MP4Close(mp4File);
- return 2;
- }
-
- createdTrackId = AacCreator(mp4File, inFile);
-
- if (createdTrackId == MP4_INVALID_TRACK_ID)
- {
- fclose(inFile);
- MP4Close(mp4File);
- return 3;
- }
-
- type = MP4GetTrackType(mp4File, createdTrackId);
-
- if (!strcmp(type, MP4_AUDIO_TRACK_TYPE))
- {
- allMpeg4Streams &=
- (MP4GetTrackAudioType(mp4File, createdTrackId)
- == MP4_MPEG4_AUDIO_TYPE);
- }
-
- if (inFile)
- {
- fclose(inFile);
- }
-
- MP4Close(mp4File);
- MP4MakeIsmaCompliant(mp4FileName, 0, allMpeg4Streams);
-
- return 0;
-}
-
-#define ADTS_HEADER_MAX_SIZE 10 /* bytes */
-
-static u_int8_t firstHeader[ADTS_HEADER_MAX_SIZE];
-
-/*
- * hdr must point to at least ADTS_HEADER_MAX_SIZE bytes of memory
- */
-static bool LoadNextAdtsHeader(FILE* inFile, u_int8_t* hdr)
-{
- u_int state = 0;
- u_int dropped = 0;
- u_int hdrByteSize = ADTS_HEADER_MAX_SIZE;
-
- while (1) {
- /* read a byte */
- u_int8_t b;
-
- if (fread(&b, 1, 1, inFile) == 0) {
- return false;
- }
-
- /* header is complete, return it */
- if (state == hdrByteSize - 1) {
- hdr[state] = b;
- if (dropped > 0) {
- fprintf(stderr, "Warning: dropped %u input bytes\n", dropped);
- }
- return true;
- }
-
- /* collect requisite number of bytes, no constraints on data */
- if (state >= 2) {
- hdr[state++] = b;
- } else {
- /* have first byte, check if we have 1111X00X */
- if (state == 1) {
- if ((b & 0xF6) == 0xF0) {
- hdr[state] = b;
- state = 2;
- /* compute desired header size */
- hdrByteSize = MP4AV_AdtsGetHeaderByteSize(hdr);
- } else {
- state = 0;
- }
- }
- /* initial state, looking for 11111111 */
- if (state == 0) {
- if (b == 0xFF) {
- hdr[state] = b;
- state = 1;
- } else {
- /* else drop it */
- dropped++;
- }
- }
- }
- }
-}
-
-/*
- * Load the next frame from the file
- * into the supplied buffer, which better be large enough!
- *
- * Note: Frames are padded to byte boundaries
- */
-static bool LoadNextAacFrame(FILE* inFile, u_int8_t* pBuf, u_int32_t* pBufSize, bool stripAdts)
-{
- u_int16_t frameSize;
- u_int16_t hdrBitSize, hdrByteSize;
- u_int8_t hdrBuf[ADTS_HEADER_MAX_SIZE];
-
- /* get the next AAC frame header, more or less */
- if (!LoadNextAdtsHeader(inFile, hdrBuf)) {
- return false;
- }
-
- /* get frame size from header */
- frameSize = MP4AV_AdtsGetFrameSize(hdrBuf);
-
- /* get header size in bits and bytes from header */
- hdrBitSize = MP4AV_AdtsGetHeaderBitSize(hdrBuf);
- hdrByteSize = MP4AV_AdtsGetHeaderByteSize(hdrBuf);
-
- /* adjust the frame size to what remains to be read */
- frameSize -= hdrByteSize;
-
- if (stripAdts) {
- if ((hdrBitSize % 8) == 0) {
- /* header is byte aligned, i.e. MPEG-2 ADTS */
- /* read the frame data into the buffer */
- if (fread(pBuf, 1, frameSize, inFile) != frameSize) {
- return false;
- }
- (*pBufSize) = frameSize;
- } else {
- /* header is not byte aligned, i.e. MPEG-4 ADTS */
- int i;
- u_int8_t newByte;
- int upShift = hdrBitSize % 8;
- int downShift = 8 - upShift;
-
- pBuf[0] = hdrBuf[hdrBitSize / 8] << upShift;
-
- for (i = 0; i < frameSize; i++) {
- if (fread(&newByte, 1, 1, inFile) != 1) {
- return false;
- }
- pBuf[i] |= (newByte >> downShift);
- pBuf[i+1] = (newByte << upShift);
- }
- (*pBufSize) = frameSize + 1;
- }
- } else { /* don't strip ADTS headers */
- memcpy(pBuf, hdrBuf, hdrByteSize);
- if (fread(&pBuf[hdrByteSize], 1, frameSize, inFile) != frameSize) {
- return false;
- }
- }
-
- return true;
-}
-
-static bool GetFirstHeader(FILE* inFile)
-{
- /* read file until we find an audio frame */
- fpos_t curPos;
-
- /* already read first header */
- if (firstHeader[0] == 0xff) {
- return true;
- }
-
- /* remember where we are */
- fgetpos(inFile, &curPos);
-
- /* go back to start of file */
- rewind(inFile);
-
- if (!LoadNextAdtsHeader(inFile, firstHeader)) {
- return false;
- }
-
- /* reposition the file to where we were */
- fsetpos(inFile, &curPos);
-
- return true;
-}
-
-MP4TrackId AacCreator(MP4FileHandle mp4File, FILE* inFile)
-{
- // collect all the necessary meta information
- u_int32_t samplesPerSecond;
- u_int8_t mpegVersion;
- u_int8_t profile;
- u_int8_t channelConfig;
-
- if (!GetFirstHeader(inFile)) {
- return MP4_INVALID_TRACK_ID;
- }
-
- samplesPerSecond = MP4AV_AdtsGetSamplingRate(firstHeader);
- mpegVersion = MP4AV_AdtsGetVersion(firstHeader);
- profile = MP4AV_AdtsGetProfile(firstHeader);
- channelConfig = MP4AV_AdtsGetChannels(firstHeader);
-
- u_int8_t audioType = MP4_INVALID_AUDIO_TYPE;
- switch (mpegVersion) {
- case 0:
- audioType = MP4_MPEG4_AUDIO_TYPE;
- break;
- case 1:
- switch (profile) {
- case 0:
- audioType = MP4_MPEG2_AAC_MAIN_AUDIO_TYPE;
- break;
- case 1:
- audioType = MP4_MPEG2_AAC_LC_AUDIO_TYPE;
- break;
- case 2:
- audioType = MP4_MPEG2_AAC_SSR_AUDIO_TYPE;
- break;
- case 3:
- return MP4_INVALID_TRACK_ID;
- }
- break;
- }
-
- // add the new audio track
- MP4TrackId trackId =
- MP4AddAudioTrack(mp4File,
- samplesPerSecond, 1024, audioType);
-
- if (trackId == MP4_INVALID_TRACK_ID) {
- return MP4_INVALID_TRACK_ID;
- }
-
- if (MP4GetNumberOfTracks(mp4File, MP4_AUDIO_TRACK_TYPE) == 1) {
- MP4SetAudioProfileLevel(mp4File, 0x0F);
- }
-
- u_int8_t* pConfig = NULL;
- u_int32_t configLength = 0;
-
- MP4AV_AacGetConfiguration(
- &pConfig,
- &configLength,
- profile,
- samplesPerSecond,
- channelConfig);
-
- if (!MP4SetTrackESConfiguration(mp4File, trackId,
- pConfig, configLength)) {
- MP4DeleteTrack(mp4File, trackId);
- return MP4_INVALID_TRACK_ID;
- }
-
- // parse the ADTS frames, and write the MP4 samples
- u_int8_t sampleBuffer[8 * 1024];
- u_int32_t sampleSize = sizeof(sampleBuffer);
- MP4SampleId sampleId = 1;
-
- while (LoadNextAacFrame(inFile, sampleBuffer, &sampleSize, true)) {
- if (!MP4WriteSample(mp4File, trackId, sampleBuffer, sampleSize)) {
- MP4DeleteTrack(mp4File, trackId);
- return MP4_INVALID_TRACK_ID;
- }
- sampleId++;
- sampleSize = sizeof(sampleBuffer);
- }
-
- return trackId;
-}