av_log(ac->avctx, AV_LOG_ERROR, "Too many channels\n");
return AVERROR_INVALIDDATA;
}
- ac->output_data[(*channels)++] = ac->che[type][id]->ch[0].ret;
+ ac->output_element[(*channels)++] = &ac->che[type][id]->ch[0];
if (type == TYPE_CPE ||
(type == TYPE_SCE && ac->oc[1].m4ac.ps == 1)) {
- ac->output_data[(*channels)++] = ac->che[type][id]->ch[1].ret;
+ ac->output_element[(*channels)++] = &ac->che[type][id]->ch[1];
}
}
} else {
return 0;
}
+static int frame_configure_elements(AVCodecContext *avctx)
+{
+ AACContext *ac = avctx->priv_data;
+ int type, id, ch, ret;
+
+ /* set channel pointers to internal buffers by default */
+ for (type = 0; type < 4; type++) {
+ for (id = 0; id < MAX_ELEM_ID; id++) {
+ ChannelElement *che = ac->che[type][id];
+ if (che) {
+ che->ch[0].ret = che->ch[0].ret_buf;
+ che->ch[1].ret = che->ch[1].ret_buf;
+ }
+ }
+ }
+
+ /* get output buffer */
+ ac->frame.nb_samples = 2048;
+ if ((ret = ff_get_buffer(avctx, &ac->frame)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
+ }
+
+ /* map output channel pointers to AVFrame data */
+ for (ch = 0; ch < avctx->channels; ch++) {
+ if (ac->output_element[ch])
+ ac->output_element[ch]->ret = (float *)ac->frame.extended_data[ch];
+ }
+
+ return 0;
+}
+
struct elem_to_channel {
uint64_t av_position;
uint8_t syn_ele;
* @return Returns error status. 0 - OK, !0 - error
*/
static int output_configure(AACContext *ac,
- uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
- enum OCStatus oc_type)
+ uint8_t layout_map[MAX_ELEM_ID*4][3], int tags,
+ enum OCStatus oc_type, int get_new_frame)
{
AVCodecContext *avctx = ac->avctx;
int i, channels = 0, ret;
avctx->channels = ac->oc[1].channels = channels;
ac->oc[1].status = oc_type;
+ if (get_new_frame) {
+ if ((ret = frame_configure_elements(ac->avctx)) < 0)
+ return ret;
+ }
+
return 0;
}
2) < 0)
return NULL;
if (output_configure(ac, layout_map, layout_map_tags,
- OC_TRIAL_FRAME) < 0)
+ OC_TRIAL_FRAME, 1) < 0)
return NULL;
ac->oc[1].m4ac.chan_config = 2;
1) < 0)
return NULL;
if (output_configure(ac, layout_map, layout_map_tags,
- OC_TRIAL_FRAME) < 0)
+ OC_TRIAL_FRAME, 1) < 0)
return NULL;
ac->oc[1].m4ac.chan_config = 1;
} else if (m4ac->sbr == 1 && m4ac->ps == -1)
m4ac->ps = 1;
- if (ac && (ret = output_configure(ac, layout_map, tags, OC_GLOBAL_HDR)))
+ if (ac && (ret = output_configure(ac, layout_map, tags, OC_GLOBAL_HDR, 0)))
return ret;
if (extension_flag) {
*/
static av_always_inline int lcg_random(unsigned previous_val)
{
- return previous_val * 1664525 + 1013904223;
+ union { unsigned u; int s; } v = { previous_val * 1664525u + 1013904223 };
+ return v.s;
}
static av_always_inline void reset_predict_state(PredictorState *ps)
static av_cold int aac_decode_init(AVCodecContext *avctx)
{
AACContext *ac = avctx->priv_data;
- float output_scale_factor;
ac->avctx = avctx;
ac->oc[1].m4ac.sample_rate = avctx->sample_rate;
- if (avctx->request_sample_fmt == AV_SAMPLE_FMT_FLT) {
- avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
- output_scale_factor = 1.0 / 32768.0;
- } else {
- avctx->sample_fmt = AV_SAMPLE_FMT_S16;
- output_scale_factor = 1.0;
- }
+ avctx->sample_fmt = AV_SAMPLE_FMT_FLTP;
if (avctx->extradata_size > 0) {
if (decode_audio_specific_config(ac, ac->avctx, &ac->oc[1].m4ac,
&layout_map_tags, ac->oc[1].m4ac.chan_config);
if (!ret)
output_configure(ac, layout_map, layout_map_tags,
- OC_GLOBAL_HDR);
+ OC_GLOBAL_HDR, 0);
else if (avctx->err_recognition & AV_EF_EXPLODE)
return AVERROR_INVALIDDATA;
}
ff_aac_scalefactor_code, sizeof(ff_aac_scalefactor_code[0]), sizeof(ff_aac_scalefactor_code[0]),
352);
- ff_mdct_init(&ac->mdct, 11, 1, output_scale_factor/1024.0);
- ff_mdct_init(&ac->mdct_small, 8, 1, output_scale_factor/128.0);
- ff_mdct_init(&ac->mdct_ltp, 11, 0, -2.0/output_scale_factor);
+ ff_mdct_init(&ac->mdct, 11, 1, 1.0 / (32768.0 * 1024.0));
+ ff_mdct_init(&ac->mdct_small, 8, 1, 1.0 / (32768.0 * 128.0));
+ ff_mdct_init(&ac->mdct_ltp, 11, 0, -2.0 * 32768.0);
// window initialization
ff_kbd_window_init(ff_aac_kbd_long_1024, 4.0, 1024);
ff_kbd_window_init(ff_aac_kbd_short_128, 6.0, 128);
band_energy = ac->dsp.scalarproduct_float(cfo, cfo, off_len);
scale = sf[idx] / sqrtf(band_energy);
- ac->dsp.vector_fmul_scalar(cfo, cfo, scale, off_len);
+ ac->fdsp.vector_fmul_scalar(cfo, cfo, scale, off_len);
}
} else {
const float *vq = ff_aac_codebook_vector_vals[cbt_m1];
}
} while (len -= 2);
- ac->dsp.vector_fmul_scalar(cfo, cfo, sf[idx], off_len);
+ ac->fdsp.vector_fmul_scalar(cfo, cfo, sf[idx], off_len);
}
}
c *= 1 - 2 * cpe->ms_mask[idx];
scale = c * sce1->sf[idx];
for (group = 0; group < ics->group_len[g]; group++)
- ac->dsp.vector_fmul_scalar(coef1 + group * 128 + offsets[i],
- coef0 + group * 128 + offsets[i],
- scale,
- offsets[i + 1] - offsets[i]);
+ ac->fdsp.vector_fmul_scalar(coef1 + group * 128 + offsets[i],
+ coef0 + group * 128 + offsets[i],
+ scale,
+ offsets[i + 1] - offsets[i]);
}
} else {
int bt_run_end = sce1->band_type_run_end[idx];
ac->oc[1].m4ac.sbr = 1;
ac->oc[1].m4ac.ps = 1;
output_configure(ac, ac->oc[1].layout_map, ac->oc[1].layout_map_tags,
- ac->oc[1].status);
+ ac->oc[1].status, 1);
} else {
ac->oc[1].m4ac.sbr = 1;
}
&layout_map_tags, hdr_info.chan_config))
return -7;
if (output_configure(ac, layout_map, layout_map_tags,
- FFMAX(ac->oc[1].status, OC_TRIAL_FRAME)))
+ FFMAX(ac->oc[1].status, OC_TRIAL_FRAME), 0))
return -7;
} else {
ac->oc[1].m4ac.chan_config = 0;
* WITHOUT specifying PCE.
* thus, set dual mono as default.
*/
+#if 0
if (ac->enable_jp_dmono && ac->oc[0].status == OC_NONE) {
layout_map_tags = 2;
layout_map[0][0] = layout_map[1][0] = TYPE_SCE;
OC_TRIAL_FRAME))
return -7;
}
+#endif
}
ac->oc[1].m4ac.sample_rate = hdr_info.sample_rate;
ac->oc[1].m4ac.sampling_index = hdr_info.sampling_index;
}
}
+ if (frame_configure_elements(avctx) < 0) {
+ err = -1;
+ goto fail;
+ }
+
ac->tags_mapped = 0;
// parse
while ((elem_type = get_bits(gb, 3)) != TYPE_END) {
"Not evaluating a further program_config_element as this construct is dubious at best.\n");
pop_output_configuration(ac);
} else {
- err = output_configure(ac, layout_map, tags, OC_TRIAL_PCE);
+ err = output_configure(ac, layout_map, tags, OC_TRIAL_PCE, 1);
if (!err)
ac->oc[1].m4ac.chan_config = 0;
pce_found = 1;
multiplier = (ac->oc[1].m4ac.sbr == 1) ? ac->oc[1].m4ac.ext_sample_rate > ac->oc[1].m4ac.sample_rate : 0;
samples <<= multiplier;
-
+#if 0
/* for dual-mono audio (SCE + SCE) */
is_dmono = ac->enable_jp_dmono && sce_count == 2 &&
ac->oc[1].channel_layout == (AV_CH_FRONT_LEFT | AV_CH_FRONT_RIGHT);
ac->output_data[0] = ac->output_data[1];
}
}
-
+#endif
if (samples) {
- /* get output buffer */
ac->frame.nb_samples = samples;
- if ((err = avctx->get_buffer(avctx, &ac->frame)) < 0) {
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- err = -1;
- goto fail;
- }
-
- if (avctx->sample_fmt == AV_SAMPLE_FMT_FLT)
- ac->fmt_conv.float_interleave((float *)ac->frame.data[0],
- (const float **)ac->output_data,
- samples, avctx->channels);
- else
- ac->fmt_conv.float_to_int16_interleave((int16_t *)ac->frame.data[0],
- (const float **)ac->output_data,
- samples, avctx->channels);
-
*(AVFrame *)data = ac->frame;
}
*got_frame_ptr = !!samples;
-
+#if 0
if (is_dmono) {
if (ac->dmono_mode == 0)
ac->output_data[1] = tmp;
else if (ac->dmono_mode == 1)
ac->output_data[0] = tmp;
}
-
+#endif
if (ac->oc[1].status && audio_found) {
avctx->sample_rate = ac->oc[1].m4ac.sample_rate << multiplier;
avctx->frame_size = samples;
.decode = aac_decode_frame,
.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
+ AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE
},
.capabilities = CODEC_CAP_CHANNEL_CONF | CODEC_CAP_DR1,
.channel_layouts = aac_channel_layout,
.decode = latm_decode_frame,
.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
+ AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_NONE
},
.capabilities = CODEC_CAP_CHANNEL_CONF | CODEC_CAP_DR1,
.channel_layouts = aac_channel_layout,
projects / ffmpeg / blobdiff