Add a function to match a 2 element vector of uint16_t and use it in h263 and svq1

[ffmpeg] / libavcodec / truespeech.c

diff --git a/libavcodec/truespeech.c b/libavcodec/truespeech.c
index 24a93e8b5494a25b1236329827a1251284ad4808..598d414832a3e8f8d9e7198f22ec8d838f355a3f 100644 (file)
--- a/libavcodec/truespeech.c
+++ b/libavcodec/truespeech.c
@@ -2,25 +2,29 @@
  * DSP Group TrueSpeech compatible decoder
  * Copyright (c) 2005 Konstantin Shishkov
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
+
+#include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 
 #include "truespeech_data.h"
 /**
- * @file truespeech.c
+ * @file libavcodec/truespeech.c
  * TrueSpeech decoder.
  */
 
@@ -48,19 +52,20 @@ typedef struct {
     int16_t filters[32]; // filters for every subframe
 } TSContext;
 
-static int truespeech_decode_init(AVCodecContext * avctx)
+static av_cold int truespeech_decode_init(AVCodecContext * avctx)
 {
 //    TSContext *c = avctx->priv_data;
 
+    avctx->sample_fmt = SAMPLE_FMT_S16;
     return 0;
 }
 
-static void truespeech_read_frame(TSContext *dec, uint8_t *input)
+static void truespeech_read_frame(TSContext *dec, const uint8_t *input)
 {
     uint32_t t;
 
     /* first dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->flag = t & 1;
@@ -75,7 +80,7 @@ static void truespeech_read_frame(TSContext *dec, uint8_t *input)
     dec->vector[7] = ts_codebook[7][(t >> 29) &  0x7];
 
     /* second dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->offset2[0] = (t >>  0) & 0x7F;
@@ -86,7 +91,7 @@ static void truespeech_read_frame(TSContext *dec, uint8_t *input)
     dec->offset1[0] = ((t >> 28) & 0xF) << 4;
 
     /* third dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->pulseval[0] = (t >>  0) & 0x3FFF;
@@ -95,7 +100,7 @@ static void truespeech_read_frame(TSContext *dec, uint8_t *input)
     dec->offset1[1] = (t >> 28) & 0x0F;
 
     /* fourth dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->pulseval[2] = (t >>  0) & 0x3FFF;
@@ -104,7 +109,7 @@ static void truespeech_read_frame(TSContext *dec, uint8_t *input)
     dec->offset1[1] |= ((t >> 28) & 0x0F) << 4;
 
     /* fifth dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->pulsepos[0] = (t >> 4) & 0x7FFFFFF;
@@ -114,7 +119,7 @@ static void truespeech_read_frame(TSContext *dec, uint8_t *input)
     dec->offset1[0] |= (t >> 31) & 1;
 
     /* sixth dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->pulsepos[1] = (t >> 4) & 0x7FFFFFF;
@@ -124,7 +129,7 @@ static void truespeech_read_frame(TSContext *dec, uint8_t *input)
     dec->offset1[0] |= ((t >> 31) & 1) << 1;
 
     /* seventh dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->pulsepos[2] = (t >> 4) & 0x7FFFFFF;
@@ -134,7 +139,7 @@ static void truespeech_read_frame(TSContext *dec, uint8_t *input)
     dec->offset1[0] |= ((t >> 31) & 1) << 2;
 
     /* eighth dword */
-    t = LE_32(input);
+    t = AV_RL32(input);
     input += 4;
 
     dec->pulsepos[3] = (t >> 4) & 0x7FFFFFF;
@@ -188,7 +193,8 @@ static void truespeech_filters_merge(TSContext *dec)
 
 static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
 {
-    int16_t tmp[146 + 60], *ptr0, *ptr1, *filter;
+    int16_t tmp[146 + 60], *ptr0, *ptr1;
+    const int16_t *filter;
     int i, t, off;
 
     t = dec->offset2[quart];
@@ -201,7 +207,7 @@ static void truespeech_apply_twopoint_filter(TSContext *dec, int quart)
     off = (t / 25) + dec->offset1[quart >> 1] + 18;
     ptr0 = tmp + 145 - off;
     ptr1 = tmp + 146;
-    filter = ts_240 + (t % 25) * 2;
+    filter = (const int16_t*)ts_240 + (t % 25) * 2;
     for(i = 0; i < 60; i++){
         t = (ptr0[0] * filter[0] + ptr0[1] * filter[1] + 0x2000) >> 14;
         ptr0++;
@@ -214,7 +220,8 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
 {
     int16_t tmp[7];
     int i, j, t;
-    int16_t *ptr1, *ptr2;
+    const int16_t *ptr1;
+    int16_t *ptr2;
     int coef;
 
     memset(out, 0, 60 * 2);
@@ -225,7 +232,7 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
     }
 
     coef = dec->pulsepos[quart] >> 15;
-    ptr1 = ts_140 + 30;
+    ptr1 = (const int16_t*)ts_140 + 30;
     ptr2 = tmp;
     for(i = 0, j = 3; (i < 30) && (j > 0); i++){
         t = *ptr1++;
@@ -238,7 +245,7 @@ static void truespeech_place_pulses(TSContext *dec, int16_t *out, int quart)
         }
     }
     coef = dec->pulsepos[quart] & 0x7FFF;
-    ptr1 = ts_140;
+    ptr1 = (const int16_t*)ts_140;
     for(i = 30, j = 4; (i < 60) && (j > 0); i++){
         t = *ptr1++;
         if(coef >= t)
@@ -277,7 +284,7 @@ static void truespeech_synth(TSContext *dec, int16_t *out, int quart)
         for(k = 0; k < 8; k++)
             sum += ptr0[k] * ptr1[k];
         sum = (sum + (out[i] << 12) + 0x800) >> 12;
-        out[i] = clip(sum, -0x7FFE, 0x7FFE);
+        out[i] = av_clip(sum, -0x7FFE, 0x7FFE);
         for(k = 7; k > 0; k--)
             ptr0[k] = ptr0[k - 1];
         ptr0[0] = out[i];
@@ -307,11 +314,11 @@ static void truespeech_synth(TSContext *dec, int16_t *out, int quart)
             sum += ptr0[k] * t[k];
         for(k = 7; k > 0; k--)
             ptr0[k] = ptr0[k - 1];
-        ptr0[0] = clip((sum + 0x800) >> 12, -0x7FFE, 0x7FFE);
+        ptr0[0] = av_clip((sum + 0x800) >> 12, -0x7FFE, 0x7FFE);
 
         sum = ((ptr0[1] * (dec->filtval - (dec->filtval >> 2))) >> 4) + sum;
         sum = sum - (sum >> 3);
-        out[i] = clip((sum + 0x800) >> 12, -0x7FFE, 0x7FFE);
+        out[i] = av_clip((sum + 0x800) >> 12, -0x7FFE, 0x7FFE);
     }
 }
 
@@ -325,19 +332,23 @@ static void truespeech_save_prevvec(TSContext *c)
 
 static int truespeech_decode_frame(AVCodecContext *avctx,
                 void *data, int *data_size,
-                uint8_t *buf, int buf_size)
+                AVPacket *avpkt)
 {
+    const uint8_t *buf = avpkt->data;
+    int buf_size = avpkt->size;
     TSContext *c = avctx->priv_data;
 
-    int i;
+    int i, j;
     short *samples = data;
     int consumed = 0;
     int16_t out_buf[240];
+    int iterations;
 
     if (!buf_size)
         return 0;
 
-    while (consumed < buf_size) {
+    iterations = FFMIN(buf_size / 32, *data_size / 480);
+    for(j = 0; j < iterations; j++) {
         truespeech_read_frame(c, buf + consumed);
         consumed += 32;
 
@@ -362,7 +373,7 @@ static int truespeech_decode_frame(AVCodecContext *avctx,
 
     *data_size = consumed * 15;
 
-    return buf_size;
+    return consumed;
 }
 
 AVCodec truespeech_decoder = {
@@ -374,4 +385,5 @@ AVCodec truespeech_decoder = {
     NULL,
     NULL,
     truespeech_decode_frame,
+    .long_name = NULL_IF_CONFIG_SMALL("DSP Group TrueSpeech"),
 };