#include "libavcodec/get_bits.h"
#include "libavcodec/put_bits.h"
#include "libavcodec/avcodec.h"
+#include "libavcodec/mpeg4audio.h"
#include "avformat.h"
#include "adts.h"
{
GetBitContext gb;
PutBitContext pb;
+ MPEG4AudioConfig m4ac;
+ int off;
init_get_bits(&gb, buf, size * 8);
- adts->objecttype = get_bits(&gb, 5) - 1;
- adts->sample_rate_index = get_bits(&gb, 4);
- adts->channel_conf = get_bits(&gb, 4);
+ off = ff_mpeg4audio_get_config(&m4ac, buf, size);
+ if (off < 0)
+ return off;
+ skip_bits_long(&gb, off);
+ adts->objecttype = m4ac.object_type - 1;
+ adts->sample_rate_index = m4ac.sampling_index;
+ adts->channel_conf = m4ac.chan_config;
if (adts->objecttype > 3U) {
av_log(s, AV_LOG_ERROR, "MPEG-4 AOT %d is not allowed in ADTS\n", adts->objecttype+1);
av_log(s, AV_LOG_ERROR, "Scalable configurations are not allowed in ADTS\n");
return -1;
}
- if (get_bits(&gb, 1)) {
- av_log_missing_feature(s, "Signaled SBR or PS", 0);
- return -1;
- }
if (!adts->channel_conf) {
init_put_bits(&pb, adts->pce_data, MAX_PCE_SIZE);
ADTSContext *adts = s->priv_data;
AVCodecContext *avc = s->streams[0]->codec;
- if(avc->extradata_size > 0 &&
+ if (avc->extradata_size > 0 &&
ff_adts_decode_extradata(s, adts, avc->extradata, avc->extradata_size) < 0)
return -1;
if (!pkt->size)
return 0;
- if(adts->write_adts) {
+ if (adts->write_adts) {
ff_adts_write_frame_header(adts, buf, pkt->size, adts->pce_size);
put_buffer(pb, buf, ADTS_HEADER_SIZE);
- if(adts->pce_size) {
+ if (adts->pce_size) {
put_buffer(pb, adts->pce_data, adts->pce_size);
adts->pce_size = 0;
}