Parametric Stereo.
*/
-
+#include "libavutil/float_dsp.h"
#include "avcodec.h"
#include "internal.h"
#include "get_bits.h"
* configuration is unlocked.
*/
static void pop_output_configuration(AACContext *ac) {
- if (ac->oc[1].status != OC_LOCKED) {
+ if (ac->oc[1].status != OC_LOCKED && ac->oc[0].status != OC_NONE) {
ac->oc[1] = ac->oc[0];
ac->avctx->channels = ac->oc[1].channels;
- ac->avctx->channel_layout = ac->oc[1].channels;
+ ac->avctx->channel_layout = ac->oc[1].channel_layout;
}
}
if (ret < 0)
return ret;
}
+ if (ac->oc[1].m4ac.ps == 1 && channels == 2) {
+ if (layout == AV_CH_FRONT_CENTER) {
+ layout = AV_CH_FRONT_LEFT|AV_CH_FRONT_RIGHT;
+ } else {
+ layout = 0;
+ }
+ }
memcpy(ac->tag_che_map, ac->che, 4 * MAX_ELEM_ID * sizeof(ac->che[0][0]));
avctx->channel_layout = ac->oc[1].channel_layout = layout;
return NULL;
ac->oc[1].m4ac.chan_config = 2;
+ ac->oc[1].m4ac.ps = 0;
}
// And vice-versa
if (!ac->tags_mapped && type == TYPE_SCE && ac->oc[1].m4ac.chan_config == 2) {
return NULL;
ac->oc[1].m4ac.chan_config = 1;
+ if (ac->oc[1].m4ac.sbr)
+ ac->oc[1].m4ac.ps = -1;
}
// For indexed channel configurations map the channels solely based on position.
switch (ac->oc[1].m4ac.chan_config) {
ff_dsputil_init(&ac->dsp, avctx);
ff_fmt_convert_init(&ac->fmt_conv, avctx);
+ avpriv_float_dsp_init(&ac->fdsp, avctx->flags & CODEC_FLAG_BITEXACT);
ac->random_state = 0x1f2e3d4c;
t.i = s.i ^ (sign & 1U<<31);
*dst++ = v[idx>>4 & 3] * t.f;
- sign <<= nz & 1; nz >>= 1;
+ sign <<= nz & 1;
t.i = s.i ^ (sign & 1U<<31);
*dst++ = v[idx>>6 & 3] * t.f;
const float *swindow_prev = ics->use_kb_window[1] ? ff_aac_kbd_short_128 : ff_sine_128;
if (ics->window_sequence[0] != LONG_STOP_SEQUENCE) {
- ac->dsp.vector_fmul(in, in, lwindow_prev, 1024);
+ ac->fdsp.vector_fmul(in, in, lwindow_prev, 1024);
} else {
memset(in, 0, 448 * sizeof(float));
- ac->dsp.vector_fmul(in + 448, in + 448, swindow_prev, 128);
+ ac->fdsp.vector_fmul(in + 448, in + 448, swindow_prev, 128);
}
if (ics->window_sequence[0] != LONG_START_SEQUENCE) {
ac->dsp.vector_fmul_reverse(in + 1024, in + 1024, lwindow, 1024);
AVCodec ff_aac_decoder = {
.name = "aac",
.type = AVMEDIA_TYPE_AUDIO,
- .id = CODEC_ID_AAC,
+ .id = AV_CODEC_ID_AAC,
.priv_data_size = sizeof(AACContext),
.init = aac_decode_init,
.close = aac_decode_close,
.decode = aac_decode_frame,
- .long_name = NULL_IF_CONFIG_SMALL("Advanced Audio Coding"),
+ .long_name = NULL_IF_CONFIG_SMALL("AAC (Advanced Audio Coding)"),
.sample_fmts = (const enum AVSampleFormat[]) {
AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE
},
AVCodec ff_aac_latm_decoder = {
.name = "aac_latm",
.type = AVMEDIA_TYPE_AUDIO,
- .id = CODEC_ID_AAC_LATM,
+ .id = AV_CODEC_ID_AAC_LATM,
.priv_data_size = sizeof(struct LATMContext),
.init = latm_decode_init,
.close = aac_decode_close,
.decode = latm_decode_frame,
- .long_name = NULL_IF_CONFIG_SMALL("AAC LATM (Advanced Audio Codec LATM syntax)"),
+ .long_name = NULL_IF_CONFIG_SMALL("AAC LATM (Advanced Audio Coding LATM syntax)"),
.sample_fmts = (const enum AVSampleFormat[]) {
AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_NONE
},