Add forgotten xsub timecode parsing

[ffmpeg] / libavcodec / smacker.c

diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
index 2d4c1e242b3bab391543491e41379e25d8b582bd..fa1bdf6c8bd5a6ef21958c046bfa58288b294023 100644 (file)
--- a/libavcodec/smacker.c
+++ b/libavcodec/smacker.c
@@ -2,20 +2,21 @@
  * Smacker decoder
  * Copyright (c) 2006 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
- *
  */
 
 /**
@@ -30,7 +31,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#include "common.h"
 #include "avcodec.h"
 
 #define ALT_BITSTREAM_READER_LE
@@ -275,10 +275,10 @@ static int decode_header_trees(SmackVContext *smk) {
     GetBitContext gb;
     int mmap_size, mclr_size, full_size, type_size;
 
-    mmap_size = LE_32(smk->avctx->extradata);
-    mclr_size = LE_32(smk->avctx->extradata + 4);
-    full_size = LE_32(smk->avctx->extradata + 8);
-    type_size = LE_32(smk->avctx->extradata + 12);
+    mmap_size = AV_RL32(smk->avctx->extradata);
+    mclr_size = AV_RL32(smk->avctx->extradata + 4);
+    full_size = AV_RL32(smk->avctx->extradata + 8);
+    type_size = AV_RL32(smk->avctx->extradata + 12);
 
     init_get_bits(&gb, smk->avctx->extradata + 16, (smk->avctx->extradata_size - 16) * 8);
 
@@ -318,12 +318,12 @@ static int decode_header_trees(SmackVContext *smk) {
     return 0;
 }
 
-static always_inline void last_reset(int *recode, int *last) {
+static av_always_inline void last_reset(int *recode, int *last) {
     recode[last[0]] = recode[last[1]] = recode[last[2]] = 0;
 }
 
 /* get code and update history */
-static always_inline int smk_get_code(GetBitContext *gb, int *recode, int *last) {
+static av_always_inline int smk_get_code(GetBitContext *gb, int *recode, int *last) {
     register int *table = recode;
     int v, b;
 
@@ -346,7 +346,7 @@ static always_inline int smk_get_code(GetBitContext *gb, int *recode, int *last)
 
 static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8_t *buf, int buf_size)
 {
-    SmackVContext * const smk = (SmackVContext *)avctx->priv_data;
+    SmackVContext * const smk = avctx->priv_data;
     uint8_t *out;
     uint32_t *pal;
     GetBitContext gb;
@@ -435,11 +435,9 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
                 case 0:
                     for(i = 0; i < 4; i++) {
                         pix = smk_get_code(&gb, smk->full_tbl, smk->full_last);
-                        out[2] = pix & 0xFF;
-                        out[3] = pix >> 8;
+                        AV_WL16(out+2,pix);
                         pix = smk_get_code(&gb, smk->full_tbl, smk->full_last);
-                        out[0] = pix & 0xFF;
-                        out[1] = pix >> 8;
+                        AV_WL16(out,pix);
                         out += stride;
                     }
                     break;
@@ -464,11 +462,11 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
                         uint16_t pix1, pix2;
                         pix1 = smk_get_code(&gb, smk->full_tbl, smk->full_last);
                         pix2 = smk_get_code(&gb, smk->full_tbl, smk->full_last);
-                        out[0] = pix1 & 0xFF; out[1] = pix1 >> 8;
-                        out[2] = pix2 & 0xFF; out[3] = pix2 >> 8;
+                        AV_WL16(out,pix1);
+                        AV_WL16(out+2,pix2);
                         out += stride;
-                        out[0] = pix1 & 0xFF; out[1] = pix1 >> 8;
-                        out[2] = pix2 & 0xFF; out[3] = pix2 >> 8;
+                        AV_WL16(out,pix1);
+                        AV_WL16(out+2,pix2);
                         out += stride;
                     }
                     break;
@@ -513,14 +511,13 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, uint8
  */
 static int decode_init(AVCodecContext *avctx)
 {
-    SmackVContext * const c = (SmackVContext *)avctx->priv_data;
+    SmackVContext * const c = avctx->priv_data;
 
     c->avctx = avctx;
-    avctx->has_b_frames = 0;
 
     c->pic.data[0] = NULL;
 
-    if (avcodec_check_dimensions(avctx, avctx->height, avctx->width) < 0) {
+    if (avcodec_check_dimensions(avctx, avctx->width, avctx->height) < 0) {
         return 1;
     }
 
@@ -548,7 +545,7 @@ static int decode_init(AVCodecContext *avctx)
  */
 static int decode_end(AVCodecContext *avctx)
 {
-    SmackVContext * const smk = (SmackVContext *)avctx->priv_data;
+    SmackVContext * const smk = avctx->priv_data;
 
     av_freep(&smk->mmap_tbl);
     av_freep(&smk->mclr_tbl);
@@ -582,7 +579,7 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
     int bits, stereo;
     int pred[2] = {0, 0};
 
-    unp_size = LE_32(buf);
+    unp_size = AV_RL32(buf);
 
     init_get_bits(&gb, buf + 4, (buf_size - 4) * 8);
 
@@ -618,14 +615,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
         }
     }
     if(bits) { //decode 16-bit data
-        pred[0]  = get_bits(&gb, 8);
-        pred[0] |= get_bits(&gb, 8);
-        *samples++ = pred[0];
-        if(stereo) {
-            pred[1]  = get_bits(&gb, 8);
-            pred[1] |= get_bits(&gb, 8);
-            *samples++ = pred[1];
-        }
+        for(i = stereo; i >= 0; i--)
+            pred[i] = bswap_16(get_bits(&gb, 16));
+        for(i = 0; i < stereo; i++)
+            *samples++ = pred[i];
         for(i = 0; i < unp_size / 2; i++) {
             if(i & stereo) {
                 if(vlc[2].table)
@@ -656,12 +649,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
             }
         }
     } else { //8-bit data
-        pred[0] = get_bits(&gb, 8);
-        *samples++ = (pred[0] - 0x80) << 8;
-        if(stereo) {
-            pred[1] = get_bits(&gb, 8);
-            *samples++ = (pred[1] - 0x80) << 8;
-        }
+        for(i = stereo; i >= 0; i--)
+            pred[i] = get_bits(&gb, 8);
+        for(i = 0; i < stereo; i++)
+            *samples++ = (pred[i] - 0x80) << 8;
         for(i = 0; i < unp_size; i++) {
             if(i & stereo){
                 if(vlc[1].table)