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-rw-r--r--src/inputPlugins/aac_plugin.c602
1 files changed, 0 insertions, 602 deletions
diff --git a/src/inputPlugins/aac_plugin.c b/src/inputPlugins/aac_plugin.c
deleted file mode 100644
index 7842bcc22..000000000
--- a/src/inputPlugins/aac_plugin.c
+++ /dev/null
@@ -1,602 +0,0 @@
-/* the Music Player Daemon (MPD)
- * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
- * 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 "../decoder_api.h"
-
-#define AAC_MAX_CHANNELS 6
-
-#include "../utils.h"
-#include "../log.h"
-
-#include <assert.h>
-#include <faad.h>
-
-/* all code here is either based on or copied from FAAD2's frontend code */
-typedef struct {
- struct decoder *decoder;
- InputStream *inStream;
- size_t bytesIntoBuffer;
- size_t bytesConsumed;
- off_t fileOffset;
- unsigned char *buffer;
- int atEof;
-} AacBuffer;
-
-static void aac_buffer_shift(AacBuffer * b, size_t length)
-{
- assert(length >= b->bytesConsumed);
- assert(length <= b->bytesConsumed + b->bytesIntoBuffer);
-
- memmove(b->buffer, b->buffer + length,
- b->bytesConsumed + b->bytesIntoBuffer - length);
-
- length -= b->bytesConsumed;
- b->bytesConsumed = 0;
- b->bytesIntoBuffer -= length;
-}
-
-static void fillAacBuffer(AacBuffer * b)
-{
- size_t bread;
-
- if (b->bytesIntoBuffer >= FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS)
- /* buffer already full */
- return;
-
- aac_buffer_shift(b, b->bytesConsumed);
-
- if (!b->atEof) {
- size_t rest = FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS -
- b->bytesIntoBuffer;
-
- bread = decoder_read(b->decoder, b->inStream,
- (void *)(b->buffer + b->bytesIntoBuffer),
- rest);
- if (bread == 0 && inputStreamAtEOF(b->inStream))
- b->atEof = 1;
- b->bytesIntoBuffer += bread;
- }
-
- if ((b->bytesIntoBuffer > 3 && memcmp(b->buffer, "TAG", 3) == 0) ||
- (b->bytesIntoBuffer > 11 &&
- memcmp(b->buffer, "LYRICSBEGIN", 11) == 0) ||
- (b->bytesIntoBuffer > 8 && memcmp(b->buffer, "APETAGEX", 8) == 0))
- b->bytesIntoBuffer = 0;
-}
-
-static void advanceAacBuffer(AacBuffer * b, size_t bytes)
-{
- b->fileOffset += bytes;
- b->bytesConsumed = bytes;
- b->bytesIntoBuffer -= bytes;
-}
-
-static int adtsSampleRates[] =
- { 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
- 16000, 12000, 11025, 8000, 7350, 0, 0, 0
-};
-
-/**
- * Check whether the buffer head is an AAC frame, and return the frame
- * length. Returns 0 if it is not a frame.
- */
-static size_t adts_check_frame(AacBuffer * b)
-{
- if (b->bytesIntoBuffer <= 7)
- return 0;
-
- /* check syncword */
- if (!((b->buffer[0] == 0xFF) && ((b->buffer[1] & 0xF6) == 0xF0)))
- return 0;
-
- return (((unsigned int)b->buffer[3] & 0x3) << 11) |
- (((unsigned int)b->buffer[4]) << 3) |
- (b->buffer[5] >> 5);
-}
-
-/**
- * Find the next AAC frame in the buffer. Returns 0 if no frame is
- * found or if not enough data is available.
- */
-static size_t adts_find_frame(AacBuffer * b)
-{
- const unsigned char *p;
- size_t frame_length;
-
- while ((p = memchr(b->buffer, 0xff, b->bytesIntoBuffer)) != NULL) {
- /* discard data before 0xff */
- if (p > b->buffer)
- aac_buffer_shift(b, p - b->buffer);
-
- if (b->bytesIntoBuffer <= 7)
- /* not enough data yet */
- return 0;
-
- /* is it a frame? */
- frame_length = adts_check_frame(b);
- if (frame_length > 0)
- /* yes, it is */
- return frame_length;
-
- /* it's just some random 0xff byte; discard and and
- continue searching */
- aac_buffer_shift(b, 1);
- }
-
- /* nothing at all; discard the whole buffer */
- aac_buffer_shift(b, b->bytesIntoBuffer);
- return 0;
-}
-
-static void adtsParse(AacBuffer * b, float *length)
-{
- unsigned int frames, frameLength;
- int sample_rate = 0;
- float framesPerSec;
-
- /* Read all frames to ensure correct time and bitrate */
- for (frames = 0;; frames++) {
- fillAacBuffer(b);
-
- frameLength = adts_find_frame(b);
- if (frameLength > 0) {
- if (frames == 0) {
- sample_rate = adtsSampleRates[(b->
- buffer[2] & 0x3c)
- >> 2];
- }
-
- if (frameLength > b->bytesIntoBuffer)
- break;
-
- advanceAacBuffer(b, frameLength);
- } else
- break;
- }
-
- framesPerSec = (float)sample_rate / 1024.0;
- if (framesPerSec != 0)
- *length = (float)frames / framesPerSec;
-}
-
-static void initAacBuffer(AacBuffer * b,
- struct decoder *decoder, InputStream * inStream)
-{
- memset(b, 0, sizeof(AacBuffer));
-
- b->decoder = decoder;
- b->inStream = inStream;
-
- b->buffer = xmalloc(FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS);
- memset(b->buffer, 0, FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS);
-}
-
-static void aac_parse_header(AacBuffer * b, float *length)
-{
- size_t fileread;
- size_t tagsize;
-
- if (length)
- *length = -1;
-
- fileread = b->inStream->size;
-
- fillAacBuffer(b);
-
- tagsize = 0;
- if (b->bytesIntoBuffer >= 10 && !memcmp(b->buffer, "ID3", 3)) {
- tagsize = (b->buffer[6] << 21) | (b->buffer[7] << 14) |
- (b->buffer[8] << 7) | (b->buffer[9] << 0);
-
- tagsize += 10;
- advanceAacBuffer(b, tagsize);
- fillAacBuffer(b);
- }
-
- if (length == NULL)
- return;
-
- if (b->bytesIntoBuffer >= 2 &&
- (b->buffer[0] == 0xFF) && ((b->buffer[1] & 0xF6) == 0xF0)) {
- adtsParse(b, length);
- seekInputStream(b->inStream, tagsize, SEEK_SET);
-
- b->bytesIntoBuffer = 0;
- b->bytesConsumed = 0;
- b->fileOffset = tagsize;
-
- fillAacBuffer(b);
- } else if (memcmp(b->buffer, "ADIF", 4) == 0) {
- int bitRate;
- int skipSize = (b->buffer[4] & 0x80) ? 9 : 0;
- bitRate =
- ((unsigned int)(b->
- buffer[4 +
- skipSize] & 0x0F) << 19) | ((unsigned
- int)b->
- buffer[5
- +
- skipSize]
- << 11) |
- ((unsigned int)b->
- buffer[6 + skipSize] << 3) | ((unsigned int)b->buffer[7 +
- skipSize]
- & 0xE0);
-
- if (fileread != 0 && bitRate != 0)
- *length = fileread * 8.0 / bitRate;
- else
- *length = fileread;
- }
-}
-
-static float getAacFloatTotalTime(char *file)
-{
- AacBuffer b;
- float length;
- faacDecHandle decoder;
- faacDecConfigurationPtr config;
- uint32_t sample_rate;
- unsigned char channels;
- InputStream inStream;
- long bread;
-
- if (openInputStream(&inStream, file) < 0)
- return -1;
-
- initAacBuffer(&b, NULL, &inStream);
- aac_parse_header(&b, &length);
-
- if (length < 0) {
- decoder = faacDecOpen();
-
- config = faacDecGetCurrentConfiguration(decoder);
- config->outputFormat = FAAD_FMT_16BIT;
- faacDecSetConfiguration(decoder, config);
-
- fillAacBuffer(&b);
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- bread = faacDecInit(decoder, b.buffer, b.bytesIntoBuffer,
- &sample_rate, &channels);
-#else
- bread = faacDecInit(decoder, b.buffer, &sample_rate, &channels);
-#endif
- if (bread >= 0 && sample_rate > 0 && channels > 0)
- length = 0;
-
- faacDecClose(decoder);
- }
-
- if (b.buffer)
- free(b.buffer);
- closeInputStream(&inStream);
-
- return length;
-}
-
-static int getAacTotalTime(char *file)
-{
- int file_time = -1;
- float length;
-
- if ((length = getAacFloatTotalTime(file)) >= 0)
- file_time = length + 0.5;
-
- return file_time;
-}
-
-static int aac_stream_decode(struct decoder * mpd_decoder,
- InputStream *inStream)
-{
- float file_time;
- float totalTime = 0;
- faacDecHandle decoder;
- faacDecFrameInfo frameInfo;
- faacDecConfigurationPtr config;
- long bread;
- struct audio_format audio_format;
- uint32_t sample_rate;
- unsigned char channels;
- unsigned int sampleCount;
- char *sampleBuffer;
- size_t sampleBufferLen;
- uint16_t bitRate = 0;
- AacBuffer b;
- int initialized = 0;
-
- initAacBuffer(&b, mpd_decoder, inStream);
-
- 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);
-
- while (b.bytesIntoBuffer < FAAD_MIN_STREAMSIZE * AAC_MAX_CHANNELS &&
- !b.atEof &&
- decoder_get_command(mpd_decoder) == DECODE_COMMAND_NONE) {
- fillAacBuffer(&b);
- adts_find_frame(&b);
- fillAacBuffer(&b);
- my_usleep(10000);
- }
-
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- bread = faacDecInit(decoder, b.buffer, b.bytesIntoBuffer,
- &sample_rate, &channels);
-#else
- bread = faacDecInit(decoder, b.buffer, &sample_rate, &channels);
-#endif
- if (bread < 0) {
- ERROR("Error not a AAC stream.\n");
- faacDecClose(decoder);
- if (b.buffer)
- free(b.buffer);
- return -1;
- }
-
- audio_format.bits = 16;
-
- file_time = 0.0;
-
- advanceAacBuffer(&b, bread);
-
- while (1) {
- fillAacBuffer(&b);
- adts_find_frame(&b);
- fillAacBuffer(&b);
-
- if (b.bytesIntoBuffer == 0)
- break;
-
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- sampleBuffer = faacDecDecode(decoder, &frameInfo, b.buffer,
- b.bytesIntoBuffer);
-#else
- sampleBuffer = faacDecDecode(decoder, &frameInfo, b.buffer);
-#endif
-
- if (frameInfo.error > 0) {
- ERROR("error decoding AAC stream\n");
- ERROR("faad2 error: %s\n",
- faacDecGetErrorMessage(frameInfo.error));
- break;
- }
-#ifdef HAVE_FAACDECFRAMEINFO_SAMPLERATE
- sample_rate = frameInfo.samplerate;
-#endif
-
- if (!initialized) {
- audio_format.channels = frameInfo.channels;
- audio_format.sample_rate = sample_rate;
- decoder_initialized(mpd_decoder, &audio_format, totalTime);
- initialized = 1;
- }
-
- advanceAacBuffer(&b, frameInfo.bytesconsumed);
-
- sampleCount = (unsigned long)(frameInfo.samples);
-
- if (sampleCount > 0) {
- bitRate = frameInfo.bytesconsumed * 8.0 *
- frameInfo.channels * sample_rate /
- frameInfo.samples / 1000 + 0.5;
- file_time +=
- (float)(frameInfo.samples) / frameInfo.channels /
- sample_rate;
- }
-
- sampleBufferLen = sampleCount * 2;
-
- decoder_data(mpd_decoder, NULL, 0, sampleBuffer,
- sampleBufferLen, file_time,
- bitRate, NULL);
- if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_SEEK) {
- decoder_seek_error(mpd_decoder);
- } else if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_STOP)
- break;
- }
-
- decoder_flush(mpd_decoder);
-
- faacDecClose(decoder);
- if (b.buffer)
- free(b.buffer);
-
- if (!initialized)
- return -1;
-
- if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_SEEK) {
- decoder_seek_error(mpd_decoder);
- }
-
- return 0;
-}
-
-
-static int aac_decode(struct decoder * mpd_decoder, char *path)
-{
- float file_time;
- float totalTime;
- faacDecHandle decoder;
- faacDecFrameInfo frameInfo;
- faacDecConfigurationPtr config;
- long bread;
- struct audio_format audio_format;
- uint32_t sample_rate;
- unsigned char channels;
- unsigned int sampleCount;
- char *sampleBuffer;
- size_t sampleBufferLen;
- /*float * seekTable;
- long seekTableEnd = -1;
- int seekPositionFound = 0; */
- uint16_t bitRate = 0;
- AacBuffer b;
- InputStream inStream;
- int initialized = 0;
-
- if ((totalTime = getAacFloatTotalTime(path)) < 0)
- return -1;
-
- if (openInputStream(&inStream, path) < 0)
- return -1;
-
- initAacBuffer(&b, mpd_decoder, &inStream);
- aac_parse_header(&b, NULL);
-
- 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);
-
- fillAacBuffer(&b);
-
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- bread = faacDecInit(decoder, b.buffer, b.bytesIntoBuffer,
- &sample_rate, &channels);
-#else
- bread = faacDecInit(decoder, b.buffer, &sample_rate, &channels);
-#endif
- if (bread < 0) {
- ERROR("Error not a AAC stream.\n");
- faacDecClose(decoder);
- if (b.buffer)
- free(b.buffer);
- return -1;
- }
-
- audio_format.bits = 16;
-
- file_time = 0.0;
-
- advanceAacBuffer(&b, bread);
-
- while (1) {
- fillAacBuffer(&b);
-
- if (b.bytesIntoBuffer == 0)
- break;
-
-#ifdef HAVE_FAAD_BUFLEN_FUNCS
- sampleBuffer = faacDecDecode(decoder, &frameInfo, b.buffer,
- b.bytesIntoBuffer);
-#else
- sampleBuffer = faacDecDecode(decoder, &frameInfo, b.buffer);
-#endif
-
- if (frameInfo.error > 0) {
- ERROR("error decoding AAC file: %s\n", path);
- ERROR("faad2 error: %s\n",
- faacDecGetErrorMessage(frameInfo.error));
- break;
- }
-#ifdef HAVE_FAACDECFRAMEINFO_SAMPLERATE
- sample_rate = frameInfo.samplerate;
-#endif
-
- if (!initialized) {
- audio_format.channels = frameInfo.channels;
- audio_format.sample_rate = sample_rate;
- decoder_initialized(mpd_decoder, &audio_format,
- totalTime);
- initialized = 1;
- }
-
- advanceAacBuffer(&b, frameInfo.bytesconsumed);
-
- sampleCount = (unsigned long)(frameInfo.samples);
-
- if (sampleCount > 0) {
- bitRate = frameInfo.bytesconsumed * 8.0 *
- frameInfo.channels * sample_rate /
- frameInfo.samples / 1000 + 0.5;
- file_time +=
- (float)(frameInfo.samples) / frameInfo.channels /
- sample_rate;
- }
-
- sampleBufferLen = sampleCount * 2;
-
- decoder_data(mpd_decoder, NULL, 0, sampleBuffer,
- sampleBufferLen, file_time,
- bitRate, NULL);
- if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_SEEK) {
- decoder_seek_error(mpd_decoder);
- } else if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_STOP)
- break;
- }
-
- decoder_flush(mpd_decoder);
-
- faacDecClose(decoder);
- if (b.buffer)
- free(b.buffer);
-
- if (!initialized)
- return -1;
-
- if (decoder_get_command(mpd_decoder) == DECODE_COMMAND_SEEK) {
- decoder_seek_error(mpd_decoder);
- }
-
- return 0;
-}
-
-static struct tag *aacTagDup(char *file)
-{
- struct tag *ret = NULL;
- int file_time = getAacTotalTime(file);
-
- if (file_time >= 0) {
- if ((ret = tag_id3_load(file)) == NULL)
- ret = tag_new();
- ret->time = file_time;
- } else {
- DEBUG("aacTagDup: Failed to get total song time from: %s\n",
- file);
- }
-
- return ret;
-}
-
-static const char *aac_suffixes[] = { "aac", NULL };
-static const char *aac_mimeTypes[] = { "audio/aac", "audio/aacp", NULL };
-
-struct decoder_plugin aacPlugin = {
- .name = "aac",
- .stream_decode = aac_stream_decode,
- .file_decode = aac_decode,
- .tag_dup = aacTagDup,
- .stream_types = INPUT_PLUGIN_STREAM_FILE | INPUT_PLUGIN_STREAM_URL,
- .suffixes = aac_suffixes,
- .mime_types = aac_mimeTypes
-};
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