qcelpdec: K&R formatting cosmetics

Signed-off-by: Diego Biurrun <diego@biurrun.de>

libavcodec/qcelpdec.c

@@ -44,8 +44,7 @@
 #undef NDEBUG
 #include <assert.h>
 
-typedef enum
-{
+typedef enum {
     I_F_Q = -1,    /**< insufficient frame quality */
     SILENCE,
     RATE_OCTAVE,
@@ -54,8 +53,7 @@ typedef enum
     RATE_FULL
 } qcelp_packet_rate;
 
-typedef struct
-{
+typedef struct {
     AVFrame           avframe;
     GetBitContext     gb;
     qcelp_packet_rate bitrate;
@@ -95,8 +93,8 @@ static av_cold int qcelp_decode_init(AVCodecContext *avctx)
 
     avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
 
-    for(i=0; i<10; i++)
-        q->prev_lspf[i] = (i+1)/11.;
+    for (i = 0; i < 10; i++)
+        q->prev_lspf[i] = (i + 1) / 11.;
 
     avcodec_get_frame_defaults(&q->avframe);
     avctx->coded_frame = &q->avframe;
@@ -129,12 +127,12 @@ static int decode_lspf(QCELPContext *q, float *lspf)
         if (q->bitrate == RATE_OCTAVE) {
             q->octave_count++;
 
-            for (i=0; i<10; i++) {
+            for (i = 0; i < 10; i++) {
                 q->predictor_lspf[i] =
                              lspf[i] = (q->frame.lspv[i] ?  QCELP_LSP_SPREAD_FACTOR
-                                                         : -QCELP_LSP_SPREAD_FACTOR)
-                                     + predictors[i] * QCELP_LSP_OCTAVE_PREDICTOR
-                                     + (i + 1) * ((1 - QCELP_LSP_OCTAVE_PREDICTOR)/11);
+                                                         : -QCELP_LSP_SPREAD_FACTOR) +
+                                        predictors[i] * QCELP_LSP_OCTAVE_PREDICTOR   +
+                                        (i + 1) * ((1 - QCELP_LSP_OCTAVE_PREDICTOR) / 11);
             }
             smooth = q->octave_count < 10 ? .875 : 0.1;
         } else {
@@ -142,49 +140,49 @@ static int decode_lspf(QCELPContext *q, float *lspf)
 
             assert(q->bitrate == I_F_Q);
 
-            if(q->erasure_count > 1)
+            if (q->erasure_count > 1)
                 erasure_coeff *= q->erasure_count < 4 ? 0.9 : 0.7;
 
-            for(i = 0; i < 10; i++) {
+            for (i = 0; i < 10; i++) {
                 q->predictor_lspf[i] =
-                             lspf[i] = (i + 1) * ( 1 - erasure_coeff)/11
-                                     + erasure_coeff * predictors[i];
+                             lspf[i] = (i + 1) * (1 - erasure_coeff) / 11 +
+                                       erasure_coeff * predictors[i];
             }
             smooth = 0.125;
         }
 
         // Check the stability of the LSP frequencies.
         lspf[0] = FFMAX(lspf[0], QCELP_LSP_SPREAD_FACTOR);
-        for(i=1; i<10; i++)
+        for (i = 1; i < 10; i++)
             lspf[i] = FFMAX(lspf[i], lspf[i - 1] + QCELP_LSP_SPREAD_FACTOR);
 
         lspf[9] = FFMIN(lspf[9], 1.0 - QCELP_LSP_SPREAD_FACTOR);
-        for(i=9; i>0; i--)
+        for (i = 9; i > 0; i--)
             lspf[i - 1] = FFMIN(lspf[i - 1], lspf[i] - QCELP_LSP_SPREAD_FACTOR);
 
         // Low-pass filter the LSP frequencies.
-        ff_weighted_vector_sumf(lspf, lspf, q->prev_lspf, smooth, 1.0-smooth, 10);
+        ff_weighted_vector_sumf(lspf, lspf, q->prev_lspf, smooth, 1.0 - smooth, 10);
     } else {
         q->octave_count = 0;
 
         tmp_lspf = 0.;
         for (i = 0; i < 5; i++) {
-            lspf[2*i+0] = tmp_lspf += qcelp_lspvq[i][q->frame.lspv[i]][0] * 0.0001;
-            lspf[2*i+1] = tmp_lspf += qcelp_lspvq[i][q->frame.lspv[i]][1] * 0.0001;
+            lspf[2 * i + 0] = tmp_lspf += qcelp_lspvq[i][q->frame.lspv[i]][0] * 0.0001;
+            lspf[2 * i + 1] = tmp_lspf += qcelp_lspvq[i][q->frame.lspv[i]][1] * 0.0001;
         }
 
         // Check for badly received packets.
         if (q->bitrate == RATE_QUARTER) {
-            if(lspf[9] <= .70 || lspf[9] >=  .97)
+            if (lspf[9] <= .70 || lspf[9] >= .97)
                 return -1;
-            for(i=3; i<10; i++)
-                if(fabs(lspf[i] - lspf[i-2]) < .08)
+            for (i = 3; i < 10; i++)
+                if (fabs(lspf[i] - lspf[i - 2]) < .08)
                     return -1;
         } else {
-            if(lspf[9] <= .66 || lspf[9] >= .985)
+            if (lspf[9] <= .66 || lspf[9] >= .985)
                 return -1;
-            for(i=4; i<10; i++)
-                if (fabs(lspf[i] - lspf[i-4]) < .0931)
+            for (i = 4; i < 10; i++)
+                if (fabs(lspf[i] - lspf[i - 4]) < .0931)
                     return -1;
         }
     }
@@ -199,8 +197,8 @@ static int decode_lspf(QCELPContext *q, float *lspf)
  *
  * TIA/EIA/IS-733 2.4.6.2
  */
-static void decode_gain_and_index(QCELPContext  *q,
-                                  float *gain) {
+static void decode_gain_and_index(QCELPContext *q, float *gain)
+{
     int i, subframes_count, g1[16];
     float slope;
 
@@ -210,38 +208,38 @@ static void decode_gain_and_index(QCELPContext  *q,
         case RATE_HALF: subframes_count =  4; break;
         default:        subframes_count =  5;
         }
-        for(i = 0; i < subframes_count; i++) {
+        for (i = 0; i < subframes_count; i++) {
             g1[i] = 4 * q->frame.cbgain[i];
-            if (q->bitrate == RATE_FULL && !((i+1) & 3)) {
-                g1[i] += av_clip((g1[i-1] + g1[i-2] + g1[i-3]) / 3 - 6, 0, 32);
+            if (q->bitrate == RATE_FULL && !((i + 1) & 3)) {
+                g1[i] += av_clip((g1[i - 1] + g1[i - 2] + g1[i - 3]) / 3 - 6, 0, 32);
             }
 
             gain[i] = qcelp_g12ga[g1[i]];
 
             if (q->frame.cbsign[i]) {
                 gain[i] = -gain[i];
-                q->frame.cindex[i] = (q->frame.cindex[i]-89) & 127;
+                q->frame.cindex[i] = (q->frame.cindex[i] - 89) & 127;
             }
         }
 
-        q->prev_g1[0] = g1[i-2];
-        q->prev_g1[1] = g1[i-1];
-        q->last_codebook_gain = qcelp_g12ga[g1[i-1]];
+        q->prev_g1[0]         = g1[i - 2];
+        q->prev_g1[1]         = g1[i - 1];
+        q->last_codebook_gain = qcelp_g12ga[g1[i - 1]];
 
         if (q->bitrate == RATE_QUARTER) {
             // Provide smoothing of the unvoiced excitation energy.
             gain[7] =       gain[4];
-            gain[6] = 0.4*gain[3] + 0.6*gain[4];
+            gain[6] = 0.4 * gain[3] + 0.6 * gain[4];
             gain[5] =       gain[3];
-            gain[4] = 0.8*gain[2] + 0.2*gain[3];
-            gain[3] = 0.2*gain[1] + 0.8*gain[2];
+            gain[4] = 0.8 * gain[2] + 0.2 * gain[3];
+            gain[3] = 0.2 * gain[1] + 0.8 * gain[2];
             gain[2] =       gain[1];
-            gain[1] = 0.6*gain[0] + 0.4*gain[1];
+            gain[1] = 0.6 * gain[0] + 0.4 * gain[1];
         }
     } else if (q->bitrate != SILENCE) {
         if (q->bitrate == RATE_OCTAVE) {
-            g1[0] = 2 * q->frame.cbgain[0]
-                  + av_clip((q->prev_g1[0] + q->prev_g1[1]) / 2 - 5, 0, 54);
+            g1[0] = 2 * q->frame.cbgain[0] +
+                    av_clip((q->prev_g1[0] + q->prev_g1[1]) / 2 - 5, 0, 54);
             subframes_count = 8;
         } else {
             assert(q->bitrate == I_F_Q);
@@ -253,16 +251,16 @@ static void decode_gain_and_index(QCELPContext  *q,
             case 3 : g1[0] -= 2; break;
             default: g1[0] -= 6;
             }
-            if(g1[0] < 0)
+            if (g1[0] < 0)
                 g1[0] = 0;
             subframes_count = 4;
         }
         // This interpolation is done to produce smoother background noise.
-        slope = 0.5*(qcelp_g12ga[g1[0]] - q->last_codebook_gain) / subframes_count;
-        for(i=1; i<=subframes_count; i++)
-            gain[i-1] = q->last_codebook_gain + slope * i;
+        slope = 0.5 * (qcelp_g12ga[g1[0]] - q->last_codebook_gain) / subframes_count;
+        for (i = 1; i <= subframes_count; i++)
+                gain[i - 1] = q->last_codebook_gain + slope * i;
 
-        q->last_codebook_gain = gain[i-2];
+        q->last_codebook_gain = gain[i - 2];
         q->prev_g1[0]         = q->prev_g1[1];
         q->prev_g1[1]         = g1[0];
     }
@@ -279,13 +277,13 @@ static void decode_gain_and_index(QCELPContext  *q,
  */
 static int codebook_sanity_check_for_rate_quarter(const uint8_t *cbgain)
 {
-    int i, diff, prev_diff=0;
+    int i, diff, prev_diff = 0;
 
-    for(i=1; i<5; i++) {
+    for (i = 1; i < 5; i++) {
         diff = cbgain[i] - cbgain[i-1];
-        if(FFABS(diff) > 10)
+        if (FFABS(diff) > 10)
             return -1;
-        else if(FFABS(diff - prev_diff) > 12)
+        else if (FFABS(diff - prev_diff) > 12)
             return -1;
         prev_diff = diff;
     }
@@ -325,7 +323,7 @@ static void compute_svector(QCELPContext *q, const float *gain,
         for (i = 0; i < 16; i++) {
             tmp_gain = gain[i] * QCELP_RATE_FULL_CODEBOOK_RATIO;
             cindex   = -q->frame.cindex[i];
-                for(j=0; j<10; j++)
+            for (j = 0; j < 10; j++)
                 *cdn_vector++ = tmp_gain * qcelp_rate_full_codebook[cindex++ & 127];
         }
         break;
@@ -338,30 +336,31 @@ static void compute_svector(QCELPContext *q, const float *gain,
         }
         break;
     case RATE_QUARTER:
-            cbseed = (0x0003 & q->frame.lspv[4])<<14 |
-                     (0x003F & q->frame.lspv[3])<< 8 |
-                     (0x0060 & q->frame.lspv[2])<< 1 |
-                     (0x0007 & q->frame.lspv[1])<< 3 |
-                     (0x0038 & q->frame.lspv[0])>> 3 ;
+        cbseed = (0x0003 & q->frame.lspv[4]) << 14 |
+                 (0x003F & q->frame.lspv[3]) <<  8 |
+                 (0x0060 & q->frame.lspv[2]) <<  1 |
+                 (0x0007 & q->frame.lspv[1]) <<  3 |
+                 (0x0038 & q->frame.lspv[0]) >>  3;
         rnd    = q->rnd_fir_filter_mem + 20;
         for (i = 0; i < 8; i++) {
             tmp_gain = gain[i] * (QCELP_SQRT1887 / 32768.0);
             for (k = 0; k < 20; k++) {
                 cbseed = 521 * cbseed + 259;
-                    *rnd = (int16_t)cbseed;
+                *rnd   = (int16_t) cbseed;
 
                     // FIR filter
                 fir_filter_value = 0.0;
-                    for(j=0; j<10; j++)
-                        fir_filter_value += qcelp_rnd_fir_coefs[j ]
-                                          * (rnd[-j ] + rnd[-20+j]);
+                for (j = 0; j < 10; j++)
+                    fir_filter_value += qcelp_rnd_fir_coefs[j] *
+                                        (rnd[-j] + rnd[-20+j]);
 
                 fir_filter_value += qcelp_rnd_fir_coefs[10] * rnd[-10];
                 *cdn_vector++     = tmp_gain * fir_filter_value;
                 rnd++;
             }
         }
-            memcpy(q->rnd_fir_filter_mem, q->rnd_fir_filter_mem + 160, 20 * sizeof(float));
+        memcpy(q->rnd_fir_filter_mem, q->rnd_fir_filter_mem + 160,
+               20 * sizeof(float));
         break;
     case RATE_OCTAVE:
         cbseed = q->first16bits;
@@ -369,7 +368,7 @@ static void compute_svector(QCELPContext *q, const float *gain,
             tmp_gain = gain[i] * (QCELP_SQRT1887 / 32768.0);
             for (j = 0; j < 20; j++) {
                 cbseed        = 521 * cbseed + 259;
-                    *cdn_vector++ = tmp_gain * (int16_t)cbseed;
+                *cdn_vector++ = tmp_gain * (int16_t) cbseed;
             }
         }
         break;
@@ -377,7 +376,7 @@ static void compute_svector(QCELPContext *q, const float *gain,
         cbseed = -44; // random codebook index
         for (i = 0; i < 4; i++) {
             tmp_gain = gain[i] * QCELP_RATE_FULL_CODEBOOK_RATIO;
-                for(j=0; j<40; j++)
+            for (j = 0; j < 40; j++)
                 *cdn_vector++ = tmp_gain * qcelp_rate_full_codebook[cbseed++ & 127];
         }
         break;
@@ -396,8 +395,7 @@ static void compute_svector(QCELPContext *q, const float *gain,
  *
  * TIA/EIA/IS-733 2.4.8.3, 2.4.8.6
  */
-static void apply_gain_ctrl(float *v_out, const float *v_ref,
-                            const float *v_in)
+static void apply_gain_ctrl(float *v_out, const float *v_ref, const float *v_in)
 {
     int i;
 
@@ -440,9 +438,9 @@ static const float *do_pitchfilter(float memory[303], const float v_in[160],
             v_lag = memory + 143 + 40 * i - lag[i];
             for (v_len = v_in + 40; v_in < v_len; v_in++) {
                 if (pfrac[i]) { // If it is a fractional lag...
-                    for(j=0, *v_out=0.; j<4; j++)
-                        *v_out += qcelp_hammsinc_table[j] * (v_lag[j-4] + v_lag[3-j]);
-                }else
+                    for (j = 0, *v_out = 0.; j < 4; j++)
+                        *v_out += qcelp_hammsinc_table[j] * (v_lag[j - 4] + v_lag[3 - j]);
+                } else
                     *v_out = *v_lag;
 
                 *v_out = *v_in + gain[i] * *v_out;
@@ -473,12 +471,10 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
     int i;
     const float *v_synthesis_filtered, *v_pre_filtered;
 
-    if(q->bitrate >= RATE_HALF ||
-       q->bitrate == SILENCE ||
+    if (q->bitrate >= RATE_HALF || q->bitrate == SILENCE ||
         (q->bitrate == I_F_Q && (q->prev_bitrate >= RATE_HALF))) {
 
-        if(q->bitrate >= RATE_HALF) {
-
+        if (q->bitrate >= RATE_HALF) {
             // Compute gain & lag for the whole frame.
             for (i = 0; i < 4; i++) {
                 q->pitch_gain[i] = q->frame.plag[i] ? (q->frame.pgain[i] + 1) * 0.25 : 0.0;
@@ -497,7 +493,7 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
                 assert(q->bitrate == SILENCE);
                 max_pitch_gain = 1.0;
             }
-            for(i=0; i<4; i++)
+            for (i = 0; i < 4; i++)
                 q->pitch_gain[i] = FFMIN(q->pitch_gain[i], max_pitch_gain);
 
             memset(q->frame.pfrac, 0, sizeof(q->frame.pfrac));
@@ -509,7 +505,7 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
                                               q->pitch_lag, q->frame.pfrac);
 
         // pitch prefilter update
-        for(i=0; i<4; i++)
+        for (i = 0; i < 4; i++)
             q->pitch_gain[i] = 0.5 * FFMIN(q->pitch_gain[i], 1.0);
 
         v_pre_filtered       = do_pitchfilter(q->pitch_pre_filter_mem,
@@ -519,8 +515,7 @@ static void apply_pitch_filters(QCELPContext *q, float *cdn_vector)
 
         apply_gain_ctrl(cdn_vector, v_synthesis_filtered, v_pre_filtered);
     } else {
-        memcpy(q->pitch_synthesis_filter_mem, cdn_vector + 17,
-               143 * sizeof(float));
+        memcpy(q->pitch_synthesis_filter_mem, cdn_vector + 17, 143 * sizeof(float));
         memcpy(q->pitch_pre_filter_mem, cdn_vector + 17, 143 * sizeof(float));
         memset(q->pitch_gain, 0, sizeof(q->pitch_gain));
         memset(q->pitch_lag,  0, sizeof(q->pitch_lag));
@@ -545,7 +540,7 @@ static void lspf2lpc(const float *lspf, float *lpc)
     double bandwidth_expansion_coeff = QCELP_BANDWIDTH_EXPANSION_COEFF;
     int i;
 
-    for (i=0; i<10; i++)
+    for (i = 0; i < 10; i++)
         lsp[i] = cos(M_PI * lspf[i]);
 
     ff_acelp_lspd2lpc(lsp, lpc, 5);
@@ -573,9 +568,9 @@ static void interpolate_lpc(QCELPContext *q, const float *curr_lspf,
     float interpolated_lspf[10];
     float weight;
 
-    if(q->bitrate >= RATE_QUARTER)
+    if (q->bitrate >= RATE_QUARTER)
         weight = 0.25 * (subframe_num + 1);
-    else if(q->bitrate == RATE_OCTAVE && !subframe_num)
+    else if (q->bitrate == RATE_OCTAVE && !subframe_num)
         weight = 0.625;
     else
         weight = 1.0;
@@ -584,10 +579,10 @@ static void interpolate_lpc(QCELPContext *q, const float *curr_lspf,
         ff_weighted_vector_sumf(interpolated_lspf, curr_lspf, q->prev_lspf,
                                 weight, 1.0 - weight, 10);
         lspf2lpc(interpolated_lspf, lpc);
-    }else if(q->bitrate >= RATE_QUARTER ||
+    } else if (q->bitrate >= RATE_QUARTER ||
                (q->bitrate == I_F_Q && !subframe_num))
         lspf2lpc(curr_lspf, lpc);
-    else if(q->bitrate == SILENCE && !subframe_num)
+    else if (q->bitrate == SILENCE && !subframe_num)
         lspf2lpc(q->prev_lspf, lpc);
 }
 
@@ -616,7 +611,8 @@ static qcelp_packet_rate buf_size2bitrate(const int buf_size)
  *
  * TIA/EIA/IS-733 2.4.8.7.1
  */
-static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx, const int buf_size,
+static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx,
+                                           const int buf_size,
                                            const uint8_t **buf)
 {
     qcelp_packet_rate bitrate;
@@ -639,7 +635,7 @@ static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx, const int buf_
     } else if ((bitrate = buf_size2bitrate(buf_size + 1)) >= 0) {
         av_log(avctx, AV_LOG_WARNING,
                "Bitrate byte is missing, guessing the bitrate from packet size.\n");
-    }else
+    } else
         return I_F_Q;
 
     if (bitrate == SILENCE) {
@@ -652,8 +648,8 @@ static qcelp_packet_rate determine_bitrate(AVCodecContext *avctx, const int buf_
 static void warn_insufficient_frame_quality(AVCodecContext *avctx,
                                             const char *message)
 {
-    av_log(avctx, AV_LOG_WARNING, "Frame #%d, IFQ: %s\n", avctx->frame_number,
-           message);
+    av_log(avctx, AV_LOG_WARNING, "Frame #%d, IFQ: %s\n",
+           avctx->frame_number, message);
 }
 
 static void postfilter(QCELPContext *q, float *samples, float *lpc)
@@ -682,7 +678,8 @@ static void postfilter(QCELPContext *q, float *samples, float *lpc)
     ff_tilt_compensation(&q->postfilter_tilt_mem, 0.3, pole_out + 10, 160);
 
     ff_adaptive_gain_control(samples, pole_out + 10,
-        ff_dot_productf(q->formant_mem + 10, q->formant_mem + 10, 160),
+                             ff_dot_productf(q->formant_mem + 10,
+                                             q->formant_mem + 10, 160),
                              160, 0.9375, &q->postfilter_agc_mem);
 }
 
@@ -711,7 +708,7 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
         goto erasure;
     }
 
-    if(q->bitrate == RATE_OCTAVE &&
+    if (q->bitrate == RATE_OCTAVE &&
         (q->first16bits = AV_RB16(buf)) == 0xFFFF) {
         warn_insufficient_frame_quality(avctx, "Bitrate is 1/8 and first 16 bits are on.");
         goto erasure;
@@ -719,15 +716,15 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
 
     if (q->bitrate > SILENCE) {
         const QCELPBitmap *bitmaps     = qcelp_unpacking_bitmaps_per_rate[q->bitrate];
-        const QCELPBitmap *bitmaps_end = qcelp_unpacking_bitmaps_per_rate[q->bitrate]
-                                       + qcelp_unpacking_bitmaps_lengths[q->bitrate];
+        const QCELPBitmap *bitmaps_end = qcelp_unpacking_bitmaps_per_rate[q->bitrate] +
+                                         qcelp_unpacking_bitmaps_lengths[q->bitrate];
         uint8_t *unpacked_data         = (uint8_t *)&q->frame;
 
-        init_get_bits(&q->gb, buf, 8*buf_size);
+        init_get_bits(&q->gb, buf, 8 * buf_size);
 
         memset(&q->frame, 0, sizeof(QCELPFrame));
 
-        for(; bitmaps < bitmaps_end; bitmaps++)
+        for (; bitmaps < bitmaps_end; bitmaps++)
             unpacked_data[bitmaps->index] |= get_bits(&q->gb, bitmaps->bitlen) << bitmaps->bitpos;
 
         // Check for erasures/blanks on rates 1, 1/4 and 1/8.
@@ -735,7 +732,7 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
             warn_insufficient_frame_quality(avctx, "Wrong data in reserved frame area.");
             goto erasure;
         }
-        if(q->bitrate == RATE_QUARTER &&
+        if (q->bitrate == RATE_QUARTER &&
             codebook_sanity_check_for_rate_quarter(q->frame.cbgain)) {
             warn_insufficient_frame_quality(avctx, "Codebook gain sanity check failed.");
             goto erasure;
@@ -759,7 +756,6 @@ static int qcelp_decode_frame(AVCodecContext *avctx, void *data,
         goto erasure;
     }
 
-
     apply_pitch_filters(q, outbuffer);
 
     if (q->bitrate == I_F_Q) {
@@ -770,14 +766,13 @@ erasure:
         compute_svector(q, gain, outbuffer);
         decode_lspf(q, quantized_lspf);
         apply_pitch_filters(q, outbuffer);
-    }else
+    } else
         q->erasure_count = 0;
 
     formant_mem = q->formant_mem + 10;
     for (i = 0; i < 4; i++) {
         interpolate_lpc(q, quantized_lspf, lpc, i);
-        ff_celp_lp_synthesis_filterf(formant_mem, lpc, outbuffer + i * 40, 40,
-                                     10);
+        ff_celp_lp_synthesis_filterf(formant_mem, lpc, outbuffer + i * 40, 40, 10);
         formant_mem += 40;
     }
 
@@ -795,8 +790,7 @@ erasure:
     return buf_size;
 }
 
-AVCodec ff_qcelp_decoder =
-{
+AVCodec ff_qcelp_decoder = {
     .name           = "qcelp",
     .type           = AVMEDIA_TYPE_AUDIO,
     .id             = CODEC_ID_QCELP,