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authorDiego Biurrun <diego@biurrun.de>2015-02-15 20:03:03 +0100
committerDiego Biurrun <diego@biurrun.de>2015-02-15 13:34:04 -0800
commit3a651f599a18b023602370b67a77eb0efa309b20 (patch)
treee6c43defe334a16b75fdefc13a13e495e49fed33 /libavcodec/dcadec.c
parent65df9904ceb5477a63e99e1e8fd8ace9a7cb8bda (diff)
dca: Move data tables from a header to an object file
This allows sharing them with the DCA XLL extension w/o duplication.
Diffstat (limited to 'libavcodec/dcadec.c')
-rw-r--r--libavcodec/dcadec.c78
1 files changed, 39 insertions, 39 deletions
diff --git a/libavcodec/dcadec.c b/libavcodec/dcadec.c
index e7bb19113f..6b3a7a5cbd 100644
--- a/libavcodec/dcadec.c
+++ b/libavcodec/dcadec.c
@@ -168,8 +168,8 @@ static av_cold void dca_init_vlcs(void)
dca_bitalloc_index.offset = 1;
dca_bitalloc_index.wrap = 2;
for (i = 0; i < 5; i++) {
- dca_bitalloc_index.vlc[i].table = &dca_table[dca_vlc_offs[i]];
- dca_bitalloc_index.vlc[i].table_allocated = dca_vlc_offs[i + 1] - dca_vlc_offs[i];
+ dca_bitalloc_index.vlc[i].table = &dca_table[ff_dca_vlc_offs[i]];
+ dca_bitalloc_index.vlc[i].table_allocated = ff_dca_vlc_offs[i + 1] - ff_dca_vlc_offs[i];
init_vlc(&dca_bitalloc_index.vlc[i], bitalloc_12_vlc_bits[i], 12,
bitalloc_12_bits[i], 1, 1,
bitalloc_12_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
@@ -177,8 +177,8 @@ static av_cold void dca_init_vlcs(void)
dca_scalefactor.offset = -64;
dca_scalefactor.wrap = 2;
for (i = 0; i < 5; i++) {
- dca_scalefactor.vlc[i].table = &dca_table[dca_vlc_offs[i + 5]];
- dca_scalefactor.vlc[i].table_allocated = dca_vlc_offs[i + 6] - dca_vlc_offs[i + 5];
+ dca_scalefactor.vlc[i].table = &dca_table[ff_dca_vlc_offs[i + 5]];
+ dca_scalefactor.vlc[i].table_allocated = ff_dca_vlc_offs[i + 6] - ff_dca_vlc_offs[i + 5];
init_vlc(&dca_scalefactor.vlc[i], SCALES_VLC_BITS, 129,
scales_bits[i], 1, 1,
scales_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
@@ -186,8 +186,8 @@ static av_cold void dca_init_vlcs(void)
dca_tmode.offset = 0;
dca_tmode.wrap = 1;
for (i = 0; i < 4; i++) {
- dca_tmode.vlc[i].table = &dca_table[dca_vlc_offs[i + 10]];
- dca_tmode.vlc[i].table_allocated = dca_vlc_offs[i + 11] - dca_vlc_offs[i + 10];
+ dca_tmode.vlc[i].table = &dca_table[ff_dca_vlc_offs[i + 10]];
+ dca_tmode.vlc[i].table_allocated = ff_dca_vlc_offs[i + 11] - ff_dca_vlc_offs[i + 10];
init_vlc(&dca_tmode.vlc[i], tmode_vlc_bits[i], 4,
tmode_bits[i], 1, 1,
tmode_codes[i], 2, 2, INIT_VLC_USE_NEW_STATIC);
@@ -199,8 +199,8 @@ static av_cold void dca_init_vlcs(void)
break;
dca_smpl_bitalloc[i + 1].offset = bitalloc_offsets[i];
dca_smpl_bitalloc[i + 1].wrap = 1 + (j > 4);
- dca_smpl_bitalloc[i + 1].vlc[j].table = &dca_table[dca_vlc_offs[c]];
- dca_smpl_bitalloc[i + 1].vlc[j].table_allocated = dca_vlc_offs[c + 1] - dca_vlc_offs[c];
+ dca_smpl_bitalloc[i + 1].vlc[j].table = &dca_table[ff_dca_vlc_offs[c]];
+ dca_smpl_bitalloc[i + 1].vlc[j].table_allocated = ff_dca_vlc_offs[c + 1] - ff_dca_vlc_offs[c];
init_vlc(&dca_smpl_bitalloc[i + 1].vlc[j], bitalloc_maxbits[i][j],
bitalloc_sizes[i],
@@ -293,7 +293,7 @@ static int dca_parse_frame_header(DCAContext *s)
if (!s->sample_rate)
return AVERROR_INVALIDDATA;
s->bit_rate_index = get_bits(&s->gb, 5);
- s->bit_rate = dca_bit_rates[s->bit_rate_index];
+ s->bit_rate = ff_dca_bit_rates[s->bit_rate_index];
if (!s->bit_rate)
return AVERROR_INVALIDDATA;
@@ -428,10 +428,10 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index)
s->subband_activity[j] * sizeof(s->scale_factor[0][0][0]) * 2);
if (s->scalefactor_huffman[j] == 6) {
- scale_table = scale_factor_quant7;
+ scale_table = ff_dca_scale_factor_quant7;
log_size = 7;
} else {
- scale_table = scale_factor_quant6;
+ scale_table = ff_dca_scale_factor_quant6;
log_size = 6;
}
@@ -520,7 +520,7 @@ static int dca_subframe_header(DCAContext *s, int base_channel, int block_index)
/* Scale factor index */
skip_bits(&s->gb, 1);
- s->lfe_scale_factor = scale_factor_quant7[get_bits(&s->gb, 7)];
+ s->lfe_scale_factor = ff_dca_scale_factor_quant7[get_bits(&s->gb, 7)];
/* Quantization step size * scale factor */
lfe_scale = 0.035 * s->lfe_scale_factor;
@@ -544,9 +544,9 @@ static void qmf_32_subbands(DCAContext *s, int chans,
/* Select filter */
if (!s->multirate_inter) /* Non-perfect reconstruction */
- prCoeff = fir_32bands_nonperfect;
+ prCoeff = ff_dca_fir_32bands_nonperfect;
else /* Perfect reconstruction */
- prCoeff = fir_32bands_perfect;
+ prCoeff = ff_dca_fir_32bands_perfect;
s->dcadsp.qmf_32_subbands(samples_in, sb_act, &s->synth, &s->imdct,
s->subband_fir_hist[chans],
@@ -574,10 +574,10 @@ static void lfe_interpolation_fir(DCAContext *s, int decimation_select,
/* Select decimation filter */
if (decimation_select == 1) {
idx = 1;
- prCoeff = lfe_fir_128;
+ prCoeff = ff_dca_lfe_fir_128;
} else {
idx = 0;
- prCoeff = lfe_fir_64;
+ prCoeff = ff_dca_lfe_fir_64;
}
/* Interpolation */
for (deciindex = 0; deciindex < num_deci_sample; deciindex++) {
@@ -661,8 +661,8 @@ static void dca_downmix(float **samples, int srcfmt, int lfe_present,
break;
}
if (lfe_present) {
- int lf_buf = dca_lfe_index[srcfmt];
- int lf_idx = dca_channels[srcfmt];
+ int lf_buf = ff_dca_lfe_index[srcfmt];
+ int lf_idx = ff_dca_channels[srcfmt];
for (i = 0; i < 256; i++) {
samples[0][i] += samples[lf_buf][i] * coef[lf_idx][0];
samples[1][i] += samples[lf_buf][i] * coef[lf_idx][1];
@@ -714,9 +714,9 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
/* Select quantization step size table */
if (s->bit_rate_index == 0x1f)
- quant_step_table = lossless_quant_d;
+ quant_step_table = ff_dca_lossless_quant_d;
else
- quant_step_table = lossy_quant_d;
+ quant_step_table = ff_dca_lossy_quant_d;
for (k = base_channel; k < s->prim_channels; k++) {
float rscale[DCA_SUBBANDS];
@@ -793,24 +793,24 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
if (s->prediction_mode[k][l]) {
int n;
if (s->predictor_history)
- subband_samples[k][l][0] += (adpcm_vb[s->prediction_vq[k][l]][0] *
+ subband_samples[k][l][0] += (ff_dca_adpcm_vb[s->prediction_vq[k][l]][0] *
s->subband_samples_hist[k][l][3] +
- adpcm_vb[s->prediction_vq[k][l]][1] *
+ ff_dca_adpcm_vb[s->prediction_vq[k][l]][1] *
s->subband_samples_hist[k][l][2] +
- adpcm_vb[s->prediction_vq[k][l]][2] *
+ ff_dca_adpcm_vb[s->prediction_vq[k][l]][2] *
s->subband_samples_hist[k][l][1] +
- adpcm_vb[s->prediction_vq[k][l]][3] *
+ ff_dca_adpcm_vb[s->prediction_vq[k][l]][3] *
s->subband_samples_hist[k][l][0]) *
(1.0f / 8192);
for (m = 1; m < 8; m++) {
- float sum = adpcm_vb[s->prediction_vq[k][l]][0] *
+ float sum = ff_dca_adpcm_vb[s->prediction_vq[k][l]][0] *
subband_samples[k][l][m - 1];
for (n = 2; n <= 4; n++)
if (m >= n)
- sum += adpcm_vb[s->prediction_vq[k][l]][n - 1] *
+ sum += ff_dca_adpcm_vb[s->prediction_vq[k][l]][n - 1] *
subband_samples[k][l][m - n];
else if (s->predictor_history)
- sum += adpcm_vb[s->prediction_vq[k][l]][n - 1] *
+ sum += ff_dca_adpcm_vb[s->prediction_vq[k][l]][n - 1] *
s->subband_samples_hist[k][l][m - n + 4];
subband_samples[k][l][m] += sum * 1.0f / 8192;
}
@@ -827,7 +827,7 @@ static int dca_subsubframe(DCAContext *s, int base_channel, int block_index)
s->debug_flag |= 0x01;
}
s->dcadsp.decode_hf(subband_samples[k], s->high_freq_vq[k],
- high_freq_vq, subsubframe * 8,
+ ff_dca_high_freq_vq, subsubframe * 8,
s->scale_factor[k], s->vq_start_subband[k],
s->subband_activity[k]);
}
@@ -866,7 +866,7 @@ static int dca_filter_channels(DCAContext *s, int block_index)
if (s->lfe) {
lfe_interpolation_fir(s, s->lfe, 2 * s->lfe,
s->lfe_data + 2 * s->lfe * (block_index + 4),
- s->samples_chanptr[dca_lfe_index[s->amode]]);
+ s->samples_chanptr[ff_dca_lfe_index[s->amode]]);
/* Outputs 20bits pcm samples */
}
@@ -947,7 +947,7 @@ static int dca_subframe_footer(DCAContext *s, int base_channel)
am);
return AVERROR_INVALIDDATA;
}
- for (out = 0; out < dca_channels[s->core_downmix_amode]; out++) {
+ for (out = 0; out < ff_dca_channels[s->core_downmix_amode]; out++) {
for (in = 0; in < s->prim_channels + !!s->lfe; in++) {
uint16_t tmp = get_bits(&s->gb, 9);
if ((tmp & 0xFF) > 241) {
@@ -1029,7 +1029,7 @@ static float dca_dmix_code(unsigned code)
{
int sign = (code >> 8) - 1;
code &= 0xff;
- return ((dca_dmixtable[code] ^ sign) - sign) * (1.0 / (1U << 15));
+ return ((ff_dca_dmixtable[code] ^ sign) - sign) * (1.0 / (1U << 15));
}
/**
@@ -1207,18 +1207,18 @@ FF_ENABLE_DEPRECATION_WARNINGS
avctx->channel_layout |= AV_CH_BACK_CENTER;
if (s->lfe) {
avctx->channel_layout |= AV_CH_LOW_FREQUENCY;
- s->channel_order_tab = dca_channel_reorder_lfe_xch[s->amode];
+ s->channel_order_tab = ff_dca_channel_reorder_lfe_xch[s->amode];
} else {
- s->channel_order_tab = dca_channel_reorder_nolfe_xch[s->amode];
+ s->channel_order_tab = ff_dca_channel_reorder_nolfe_xch[s->amode];
}
} else {
channels = num_core_channels + !!s->lfe;
s->xch_present = 0; /* disable further xch processing */
if (s->lfe) {
avctx->channel_layout |= AV_CH_LOW_FREQUENCY;
- s->channel_order_tab = dca_channel_reorder_lfe[s->amode];
+ s->channel_order_tab = ff_dca_channel_reorder_lfe[s->amode];
} else
- s->channel_order_tab = dca_channel_reorder_nolfe[s->amode];
+ s->channel_order_tab = ff_dca_channel_reorder_nolfe[s->amode];
}
if (channels > !!s->lfe &&
@@ -1246,20 +1246,20 @@ FF_ENABLE_DEPRECATION_WARNINGS
s->output = s->core_downmix_amode;
} else {
int am = s->amode & DCA_CHANNEL_MASK;
- if (am >= FF_ARRAY_ELEMS(dca_default_coeffs)) {
+ if (am >= FF_ARRAY_ELEMS(ff_dca_default_coeffs)) {
av_log(s->avctx, AV_LOG_ERROR,
"Invalid channel mode %d\n", am);
return AVERROR_INVALIDDATA;
}
if (num_core_channels + !!s->lfe >
- FF_ARRAY_ELEMS(dca_default_coeffs[0])) {
+ FF_ARRAY_ELEMS(ff_dca_default_coeffs[0])) {
avpriv_request_sample(s->avctx, "Downmixing %d channels",
s->prim_channels + !!s->lfe);
return AVERROR_PATCHWELCOME;
}
for (i = 0; i < num_core_channels + !!s->lfe; i++) {
- s->downmix_coef[i][0] = dca_default_coeffs[am][i][0];
- s->downmix_coef[i][1] = dca_default_coeffs[am][i][1];
+ s->downmix_coef[i][0] = ff_dca_default_coeffs[am][i][0];
+ s->downmix_coef[i][1] = ff_dca_default_coeffs[am][i][1];
}
}
av_dlog(s->avctx, "Stereo downmix coeffs:\n");