Merge commit '10e2d8b5562d8729e4eefbcec63a11eb8a0c502c'

[ffmpeg] / libavcodec / g722dec.c

diff --git a/libavcodec/g722dec.c b/libavcodec/g722dec.c
index 14bd67e95f1a5f724bd47371c6a382f4781575ef..22e90a3079b6965bf6ac03dbc3453828b43349e7 100644 (file)
--- a/libavcodec/g722dec.c
+++ b/libavcodec/g722dec.c
@@ -67,6 +67,8 @@ static av_cold int g722_decode_init(AVCodecContext * avctx)
     c->band[1].scale_factor = 2;
     c->prev_samples_pos = 22;
 
+    ff_g722dsp_init(&c->dsp);
+
     return 0;
 }
 
@@ -102,28 +104,27 @@ static int g722_decode_frame(AVCodecContext *avctx, void *data,
 
     for (j = 0; j < avpkt->size; j++) {
         int ilow, ihigh, rlow, rhigh, dhigh;
-        int xout1, xout2;
+        int xout[2];
 
         ihigh = get_bits(&gb, 2);
         ilow = get_bits(&gb, 6 - skip);
         skip_bits(&gb, skip);
 
-        rlow = av_clip((c->band[0].scale_factor * quantizer_table[ilow] >> 10)
-                      + c->band[0].s_predictor, -16384, 16383);
+        rlow = av_clip_intp2((c->band[0].scale_factor * quantizer_table[ilow] >> 10)
+                      + c->band[0].s_predictor, 14);
 
         ff_g722_update_low_predictor(&c->band[0], ilow >> (2 - skip));
 
         dhigh = c->band[1].scale_factor * ff_g722_high_inv_quant[ihigh] >> 10;
-        rhigh = av_clip(dhigh + c->band[1].s_predictor, -16384, 16383);
+        rhigh = av_clip_intp2(dhigh + c->band[1].s_predictor, 14);
 
         ff_g722_update_high_predictor(&c->band[1], dhigh, ihigh);
 
         c->prev_samples[c->prev_samples_pos++] = rlow + rhigh;
         c->prev_samples[c->prev_samples_pos++] = rlow - rhigh;
-        ff_g722_apply_qmf(c->prev_samples + c->prev_samples_pos - 24,
-                          &xout1, &xout2);
-        *out_buf++ = av_clip_int16(xout1 >> 11);
-        *out_buf++ = av_clip_int16(xout2 >> 11);
+        c->dsp.apply_qmf(c->prev_samples + c->prev_samples_pos - 24, xout);
+        *out_buf++ = av_clip_int16(xout[0] >> 11);
+        *out_buf++ = av_clip_int16(xout[1] >> 11);
         if (c->prev_samples_pos >= PREV_SAMPLES_BUF_SIZE) {
             memmove(c->prev_samples, c->prev_samples + c->prev_samples_pos - 22,
                     22 * sizeof(c->prev_samples[0]));