#endif /* CONFIG_MP3ADU_DECODER */
#ifdef CONFIG_MP3ON4_DECODER
+
+#include "mpeg4audio.h"
+
/* Next 3 arrays are indexed by channel config number (passed via codecdata) */
static const uint8_t mp3Frames[16] = {0,1,1,2,3,3,4,5,2}; /* number of mp3 decoder instances */
-static const uint8_t mp3Channels[16] = {0,1,2,3,4,5,6,8,4}; /* total output channels */
/* offsets into output buffer, assume output order is FL FR BL BR C LFE */
static const uint8_t chan_offset[9][5] = {
{0},
static int decode_init_mp3on4(AVCodecContext * avctx)
{
MP3On4DecodeContext *s = avctx->priv_data;
+ MPEG4AudioConfig cfg;
int i;
if ((avctx->extradata_size < 2) || (avctx->extradata == NULL)) {
return -1;
}
- s->chan_cfg = (((unsigned char *)avctx->extradata)[1] >> 3) & 0x0f;
- s->frames = mp3Frames[s->chan_cfg];
- if(!s->frames) {
+ ff_mpeg4audio_get_config(&cfg, avctx->extradata, avctx->extradata_size);
+ if (!cfg.chan_config || cfg.chan_config > 7) {
av_log(avctx, AV_LOG_ERROR, "Invalid channel config number.\n");
return -1;
}
- avctx->channels = mp3Channels[s->chan_cfg];
+ s->chan_cfg = cfg.chan_config;
+ s->frames = mp3Frames[s->chan_cfg];
+ avctx->channels = ff_mpeg4audio_channels[s->chan_cfg];
/* Init the first mp3 decoder in standard way, so that all tables get builded
* We replace avctx->priv_data with the context of the first decoder so that