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qcelpdec: K&R formatting cosmetics
Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Asen Lekov
Diego Biurrun
parent
2fd291846b
commit
25c2d76b68
@ -44,8 +44,7 @@
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#undef NDEBUG
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#include <assert.h>
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typedef enum
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{
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typedef enum {
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I_F_Q = -1, /**< insufficient frame quality */
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SILENCE,
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RATE_OCTAVE,
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@ -54,8 +53,7 @@ typedef enum
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RATE_FULL
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} qcelp_packet_rate;
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typedef struct
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{
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typedef struct {
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AVFrame avframe;
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GetBitContext gb;
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qcelp_packet_rate bitrate;
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@ -132,9 +130,9 @@ static int decode_lspf(QCELPContext *q, float *lspf)
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for (i = 0; i < 10; i++) {
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q->predictor_lspf[i] =
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lspf[i] = (q->frame.lspv[i] ? QCELP_LSP_SPREAD_FACTOR
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: -QCELP_LSP_SPREAD_FACTOR)
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+ predictors[i] * QCELP_LSP_OCTAVE_PREDICTOR
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+ (i + 1) * ((1 - QCELP_LSP_OCTAVE_PREDICTOR)/11);
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: -QCELP_LSP_SPREAD_FACTOR) +
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predictors[i] * QCELP_LSP_OCTAVE_PREDICTOR +
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(i + 1) * ((1 - QCELP_LSP_OCTAVE_PREDICTOR) / 11);
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}
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smooth = q->octave_count < 10 ? .875 : 0.1;
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} else {
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@ -147,8 +145,8 @@ static int decode_lspf(QCELPContext *q, float *lspf)
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for (i = 0; i < 10; i++) {
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q->predictor_lspf[i] =
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lspf[i] = (i + 1) * ( 1 - erasure_coeff)/11
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+ erasure_coeff * predictors[i];
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lspf[i] = (i + 1) * (1 - erasure_coeff) / 11 +
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erasure_coeff * predictors[i];
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}
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smooth = 0.125;
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}
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@ -199,8 +197,8 @@ static int decode_lspf(QCELPContext *q, float *lspf)
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*
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* TIA/EIA/IS-733 2.4.6.2
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*/
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static void decode_gain_and_index(QCELPContext *q,
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float *gain) {
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static void decode_gain_and_index(QCELPContext *q, float *gain)
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{
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int i, subframes_count, g1[16];
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float slope;
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@ -240,8 +238,8 @@ static void decode_gain_and_index(QCELPContext *q,
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}
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} else if (q->bitrate != SILENCE) {
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if (q->bitrate == RATE_OCTAVE) {
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g1[0] = 2 * q->frame.cbgain[0]
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+ av_clip((q->prev_g1[0] + q->prev_g1[1]) / 2 - 5, 0, 54);
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g1[0] = 2 * q->frame.cbgain[0] +
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av_clip((q->prev_g1[0] + q->prev_g1[1]) / 2 - 5, 0, 54);
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subframes_count = 8;
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} else {
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assert(q->bitrate == I_F_Q);
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@ -353,15 +351,16 @@ static void compute_svector(QCELPContext *q, const float *gain,
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// FIR filter
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fir_filter_value = 0.0;
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for (j = 0; j < 10; j++)
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fir_filter_value += qcelp_rnd_fir_coefs[j ]
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* (rnd[-j ] + rnd[-20+j]);
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fir_filter_value += qcelp_rnd_fir_coefs[j] *
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(rnd[-j] + rnd[-20+j]);
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fir_filter_value += qcelp_rnd_fir_coefs[10] * rnd[-10];
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*cdn_vector++ = tmp_gain * fir_filter_value;
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rnd++;
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}
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}
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memcpy(q->rnd_fir_filter_mem, q->rnd_fir_filter_mem + 160, 20 * sizeof(float));
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memcpy(q->rnd_fir_filter_mem, q->rnd_fir_filter_mem + 160,
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20 * sizeof(float));
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break;
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case RATE_OCTAVE:
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cbseed = q->first16bits;
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@ -396,8 +395,7 @@ static void compute_svector(QCELPContext *q, const float *gain,
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*
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* TIA/EIA/IS-733 2.4.8.3, 2.4.8.6
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*/
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static void apply_gain_ctrl(float *v_out, const float *v_ref,
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const float *v_in)
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static void apply_gain_ctrl(float *v_out, const float *v_ref, const float *v_in)
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{
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int i;
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@ -473,12 +471,10 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
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int i;
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const float *v_synthesis_filtered, *v_pre_filtered;
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if(q->bitrate >= RATE_HALF ||
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q->bitrate == SILENCE ||
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if (q->bitrate >= RATE_HALF || q->bitrate == SILENCE ||
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(q->bitrate == I_F_Q && (q->prev_bitrate >= RATE_HALF))) {
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if (q->bitrate >= RATE_HALF) {
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// Compute gain & lag for the whole frame.
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for (i = 0; i < 4; i++) {
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q->pitch_gain[i] = q->frame.plag[i] ? (q->frame.pgain[i] + 1) * 0.25 : 0.0;
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@ -519,8 +515,7 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
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apply_gain_ctrl(cdn_vector, v_synthesis_filtered, v_pre_filtered);
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} else {
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memcpy(q->pitch_synthesis_filter_mem, cdn_vector + 17,
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143 * sizeof(float));
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memcpy(q->pitch_synthesis_filter_mem, cdn_vector + 17, 143 * sizeof(float));
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memcpy(q->pitch_pre_filter_mem, cdn_vector + 17, 143 * sizeof(float));
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memset(q->pitch_gain, 0, sizeof(q->pitch_gain));
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memset(q->pitch_lag, 0, sizeof(q->pitch_lag));
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@ -616,7 +611,8 @@ static qcelp_packet_rate buf_size2bitrate(const int buf_size)
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*
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* TIA/EIA/IS-733 2.4.8.7.1
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*/
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static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx, const int buf_size,
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static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx,
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const int buf_size,
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const uint8_t **buf)
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{
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qcelp_packet_rate bitrate;
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@ -652,8 +648,8 @@ static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx, const int buf_
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static void warn_insufficient_frame_quality(AVCodecContext *avctx,
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const char *message)
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{
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av_log(avctx, AV_LOG_WARNING, "Frame #%d, IFQ: %s\n", avctx->frame_number,
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message);
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av_log(avctx, AV_LOG_WARNING, "Frame #%d, IFQ: %s\n",
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avctx->frame_number, message);
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}
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static void postfilter(QCELPContext *q, float *samples, float *lpc)
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@ -682,7 +678,8 @@ static void postfilter(QCELPContext *q, float *samples, float *lpc)
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ff_tilt_compensation(&q->postfilter_tilt_mem, 0.3, pole_out + 10, 160);
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ff_adaptive_gain_control(samples, pole_out + 10,
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ff_dot_productf(q->formant_mem + 10, q->formant_mem + 10, 160),
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ff_dot_productf(q->formant_mem + 10,
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q->formant_mem + 10, 160),
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160, 0.9375, &q->postfilter_agc_mem);
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}
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@ -719,8 +716,8 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
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if (q->bitrate > SILENCE) {
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const QCELPBitmap *bitmaps = qcelp_unpacking_bitmaps_per_rate[q->bitrate];
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const QCELPBitmap *bitmaps_end = qcelp_unpacking_bitmaps_per_rate[q->bitrate]
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+ qcelp_unpacking_bitmaps_lengths[q->bitrate];
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const QCELPBitmap *bitmaps_end = qcelp_unpacking_bitmaps_per_rate[q->bitrate] +
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qcelp_unpacking_bitmaps_lengths[q->bitrate];
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uint8_t *unpacked_data = (uint8_t *)&q->frame;
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init_get_bits(&q->gb, buf, 8 * buf_size);
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@ -759,7 +756,6 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
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goto erasure;
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}
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apply_pitch_filters(q, outbuffer);
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if (q->bitrate == I_F_Q) {
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@ -776,8 +772,7 @@ erasure:
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formant_mem = q->formant_mem + 10;
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for (i = 0; i < 4; i++) {
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interpolate_lpc(q, quantized_lspf, lpc, i);
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ff_celp_lp_synthesis_filterf(formant_mem, lpc, outbuffer + i * 40, 40,
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10);
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ff_celp_lp_synthesis_filterf(formant_mem, lpc, outbuffer + i * 40, 40, 10);
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formant_mem += 40;
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}
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@ -795,8 +790,7 @@ erasure:
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return buf_size;
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}
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AVCodec ff_qcelp_decoder =
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{
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AVCodec ff_qcelp_decoder = {
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.name = "qcelp",
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.type = AVMEDIA_TYPE_AUDIO,
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.id = CODEC_ID_QCELP,
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