-
-#ifdef CONFIG_MP3LAME
-
-#define AUDIO_FIFO_SIZE 65536
-
-static const int sSampleRates[3][4] = {
- {44100, 48000, 32000, 0},
- {22050, 24000, 16000, 0},
- {11025, 12000, 8000, 0},
-};
-
-static const int sBitRates[2][3][15] = {
- { { 0, 32, 64, 96,128,160,192,224,256,288,320,352,384,416,448},
- { 0, 32, 48, 56, 64, 80, 96,112,128,160,192,224,256,320,384},
- { 0, 32, 40, 48, 56, 64, 80, 96,112,128,160,192,224,256,320}
- },
- { { 0, 32, 48, 56, 64, 80, 96,112,128,144,160,176,192,224,256},
- { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96,112,128,144,160},
- { 0, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96,112,128,144,160}
- },
-};
-
-static const int sSamplesPerFrame[3][3] =
-{
- { 384, 1152, 1152 },
- { 384, 1152, 576 },
- { 384, 1152, 576 }
-};
-
-static const int sBitsPerSlot[3] = {
- 32,
- 8,
- 8
-};
-
-static int mp3info(void *data, int *byteSize, int *samplesPerFrame, int *sampleRate, int *isMono )
-{
- uint8_t *dataTmp = (uint8_t *)data;
- uint32_t header = ( (uint32_t)dataTmp[0] << 24 ) | ( (uint32_t)dataTmp[1] << 16 ) | ( (uint32_t)dataTmp[2] << 8 ) | (uint32_t)dataTmp[3];
- int layerID = 3 - ((header >> 17) & 0x03);
- int bitRateID = ((header >> 12) & 0x0f);
- int sampleRateID = ((header >> 10) & 0x03);
- int bitRate = 0;
- int bitsPerSlot = sBitsPerSlot[layerID];
- int isPadded = ((header >> 9) & 0x01);
-
- if ( (( header >> 21 ) & 0x7ff) != 0x7ff ) {
- return 0;