return -1;
}
init_put_bits(&pb, pce_data, MAX_PCE_SIZE);
- pce_size = ff_copy_pce_data(&pb, &gb)/8;
+ pce_size = avpriv_copy_pce_data(&pb, &gb)/8;
flush_put_bits(&pb);
buf_size -= get_bits_count(&gb)/8;
buf += get_bits_count(&gb)/8;
crc_abs = get_bits1(gbc); /* protection_absent */
aot = get_bits(gbc, 2); /* profile_objecttype */
sr = get_bits(gbc, 4); /* sample_frequency_index */
- if(!ff_mpeg4audio_sample_rates[sr])
+ if(!avpriv_mpeg4audio_sample_rates[sr])
return AAC_AC3_PARSE_ERROR_SAMPLE_RATE;
skip_bits1(gbc); /* private_bit */
ch = get_bits(gbc, 3); /* channel_configuration */
hdr->crc_absent = crc_abs;
hdr->num_aac_frames = rdb + 1;
hdr->sampling_index = sr;
- hdr->sample_rate = ff_mpeg4audio_sample_rates[sr];
+ hdr->sample_rate = avpriv_mpeg4audio_sample_rates[sr];
hdr->samples = (rdb + 1) * 1024;
hdr->bit_rate = size * 8 * hdr->sample_rate / hdr->samples;
init_get_bits(&gb, data, data_size * 8);
- if ((i = ff_mpeg4audio_get_config(m4ac, data, data_size)) < 0)
+ if ((i = avpriv_mpeg4audio_get_config(m4ac, data, data_size)) < 0)
return -1;
if (m4ac->sampling_index > 12) {
av_log(avctx, AV_LOG_ERROR, "invalid sampling rate index %d\n", m4ac->sampling_index);
avctx->frame_size = 1024;
for (i = 0; i < 16; i++)
- if (avctx->sample_rate == ff_mpeg4audio_sample_rates[i])
+ if (avctx->sample_rate == avpriv_mpeg4audio_sample_rates[i])
break;
if (i == 16) {
av_log(avctx, AV_LOG_ERROR, "Unsupported sample rate %d\n", avctx->sample_rate);
init_get_bits(&gb, avctx->extradata, avctx->extradata_size * 8);
- config_offset = ff_mpeg4audio_get_config(&m4ac, avctx->extradata,
+ config_offset = avpriv_mpeg4audio_get_config(&m4ac, avctx->extradata,
avctx->extradata_size);
if (config_offset < 0)
}
for (index = 0; index < 16; index++)
- if (avctx->sample_rate == ff_mpeg4audio_sample_rates[index])
+ if (avctx->sample_rate == avpriv_mpeg4audio_sample_rates[index])
break;
if (index == 16) {
av_log(avctx, AV_LOG_ERROR, "Unsupported sample rate %d\n",
return 0;
}
-const int ff_mpeg4audio_sample_rates[16] = {
+const int avpriv_mpeg4audio_sample_rates[16] = {
96000, 88200, 64000, 48000, 44100, 32000,
24000, 22050, 16000, 12000, 11025, 8000, 7350
};
{
*index = get_bits(gb, 4);
return *index == 0x0f ? get_bits(gb, 24) :
- ff_mpeg4audio_sample_rates[*index];
+ avpriv_mpeg4audio_sample_rates[*index];
}
-int ff_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size)
+int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size)
{
GetBitContext gb;
int specific_config_bitindex;
return el;
}
-int ff_copy_pce_data(PutBitContext *pb, GetBitContext *gb)
+int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb)
{
int five_bit_ch, four_bit_ch, comment_size, bits;
int offset = put_bits_count(pb);
int ps; ///< -1 implicit, 1 presence
} MPEG4AudioConfig;
-extern const int ff_mpeg4audio_sample_rates[16];
+extern const int avpriv_mpeg4audio_sample_rates[16];
extern const uint8_t ff_mpeg4audio_channels[8];
/**
* Parse MPEG-4 systems extradata to retrieve audio configuration.
* @param[in] buf_size Extradata size.
* @return On error -1 is returned, on success AudioSpecificConfig bit index in extradata.
*/
-int ff_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size);
+int avpriv_mpeg4audio_get_config(MPEG4AudioConfig *c, const uint8_t *buf, int buf_size);
enum AudioObjectType {
AOT_NULL,
#define MAX_PCE_SIZE 304 ///<Maximum size of a PCE including the 3-bit ID_PCE
///<marker and the comment
-int ff_copy_pce_data(PutBitContext *pb, GetBitContext *gb);
+int avpriv_copy_pce_data(PutBitContext *pb, GetBitContext *gb);
#endif /* AVCODEC_MPEG4AUDIO_H */
return -1;
}
- ff_mpeg4audio_get_config(&cfg, avctx->extradata, avctx->extradata_size);
+ avpriv_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;
int off;
init_get_bits(&gb, buf, size * 8);
- off = ff_mpeg4audio_get_config(&m4ac, buf, size);
+ off = avpriv_mpeg4audio_get_config(&m4ac, buf, size);
if (off < 0)
return off;
skip_bits_long(&gb, off);
init_put_bits(&pb, adts->pce_data, MAX_PCE_SIZE);
put_bits(&pb, 3, 5); //ID_PCE
- adts->pce_size = (ff_copy_pce_data(&pb, &gb) + 3) / 8;
+ adts->pce_size = (avpriv_copy_pce_data(&pb, &gb) + 3) / 8;
flush_put_bits(&pb);
}
return ret;
if (st->codec->codec_id == CODEC_ID_AAC) {
MPEG4AudioConfig cfg;
- ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
+ avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
st->codec->extradata_size);
st->codec->channels = cfg.channels;
if (cfg.ext_sample_rate)
st->codec->extradata_size = len;
if (st->codec->codec_id == CODEC_ID_AAC) {
MPEG4AudioConfig cfg;
- ff_mpeg4audio_get_config(&cfg, st->codec->extradata,
+ avpriv_mpeg4audio_get_config(&cfg, st->codec->extradata,
st->codec->extradata_size);
st->codec->channels = cfg.channels;
if (cfg.object_type == 29 && cfg.sampling_index < 3) // old mp3on4
MPEG4AudioConfig m4ac;
init_get_bits(&gb, buf, size * 8);
- ctx->off = ff_mpeg4audio_get_config(&m4ac, buf, size);
+ ctx->off = avpriv_mpeg4audio_get_config(&m4ac, buf, size);
if (ctx->off < 0)
return ctx->off;
skip_bits_long(&gb, ctx->off);
ff_copy_bits(bs, avctx->extradata, ctx->off + 3);
if (!ctx->channel_conf) {
- ff_copy_pce_data(bs, &gb);
+ avpriv_copy_pce_data(bs, &gb);
}
}
{
int sri;
- for (sri=0; sri<FF_ARRAY_ELEMS(ff_mpeg4audio_sample_rates); sri++)
- if (ff_mpeg4audio_sample_rates[sri] == samplerate)
+ for (sri=0; sri<FF_ARRAY_ELEMS(avpriv_mpeg4audio_sample_rates); sri++)
+ if (avpriv_mpeg4audio_sample_rates[sri] == samplerate)
break;
return sri;
}
{
MPEG4AudioConfig mp4ac;
- if (ff_mpeg4audio_get_config(&mp4ac, codec->extradata, codec->extradata_size) < 0) {
+ if (avpriv_mpeg4audio_get_config(&mp4ac, codec->extradata, codec->extradata_size) < 0) {
av_log(s, AV_LOG_WARNING, "Error parsing AAC extradata, unable to determine samplerate.\n");
return;
}
char *config;
for (rate_index = 0; rate_index < 16; rate_index++)
- if (ff_mpeg4audio_sample_rates[rate_index] == c->sample_rate)
+ if (avpriv_mpeg4audio_sample_rates[rate_index] == c->sample_rate)
break;
if (rate_index == 16) {
av_log(c, AV_LOG_ERROR, "Unsupported sample rate\n");