iirfilter: fix biquad filter coefficients.

[ffmpeg] / libavcodec / vp3.c

diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index ee41846e740f3e24240ad4a32cda449f6de8e22a..c3dff7f89facddfb7dcbbba99b95392864308251 100644 (file)
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (C) 2003-2004 the ffmpeg project
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
@@ -237,8 +237,7 @@ typedef struct Vp3DecodeContext {
      * is coded. */
     unsigned char *macroblock_coding;
 
-    uint8_t edge_emu_buffer[9*2048]; //FIXME dynamic alloc
-    int8_t qscale_table[2048]; //FIXME dynamic alloc (width+15)/16
+    uint8_t *edge_emu_buffer;
 
     /* Huffman decode */
     int hti;
@@ -325,8 +324,6 @@ static void init_dequantizer(Vp3DecodeContext *s, int qpi)
             s->qmat[qpi][inter][plane][0] = s->qmat[0][inter][plane][0];
         }
     }
-
-    memset(s->qscale_table, (FFMAX(s->qmat[0][0][0][1], s->qmat[0][0][1][1])+8)/16, 512); //FIXME finetune
 }
 
 /*
@@ -1409,10 +1406,6 @@ static void render_slice(Vp3DecodeContext *s, int slice)
         if (CONFIG_GRAY && plane && (s->avctx->flags & CODEC_FLAG_GRAY))
             continue;
 
-
-        if(FFABS(stride) > 2048)
-            return; //various tables are fixed size
-
         /* for each superblock row in the slice (both of them)... */
         for (; sb_y < slice_height; sb_y++) {
 
@@ -1466,8 +1459,7 @@ static void render_slice(Vp3DecodeContext *s, int slice)
 
                         if(src_x<0 || src_y<0 || src_x + 9 >= plane_width || src_y + 9 >= plane_height){
                             uint8_t *temp= s->edge_emu_buffer;
-                            if(stride<0) temp -= 9*stride;
-                            else temp += 9*stride;
+                            if(stride<0) temp -= 8*stride;
 
                             s->dsp.emulated_edge_mc(temp, motion_source, stride, 9, 9, src_x, src_y, plane_width, plane_height);
                             motion_source= temp;
@@ -1817,10 +1809,8 @@ static int vp3_update_thread_context(AVCodecContext *dst, const AVCodecContext *
             }
         }
 
-        if (s->qps[0] != s1->qps[0]) {
-            memcpy(&s->qscale_table, &s1->qscale_table, sizeof(s->qscale_table));
+        if (s->qps[0] != s1->qps[0])
             memcpy(&s->bounding_values_array, &s1->bounding_values_array, sizeof(s->bounding_values_array));
-        }
 
         if (qps_changed)
             copy_fields(s, s1, qps, superblock_count);
@@ -1886,12 +1876,15 @@ static int vp3_decode_frame(AVCodecContext *avctx,
         return buf_size;
 
     s->current_frame.reference = 3;
-    s->current_frame.pict_type = s->keyframe ? FF_I_TYPE : FF_P_TYPE;
+    s->current_frame.pict_type = s->keyframe ? AV_PICTURE_TYPE_I : AV_PICTURE_TYPE_P;
     if (ff_thread_get_buffer(avctx, &s->current_frame) < 0) {
         av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
         goto error;
     }
 
+    if (!s->edge_emu_buffer)
+        s->edge_emu_buffer = av_malloc(9*FFABS(s->current_frame.linesize[0]));
+
     if (s->keyframe) {
         if (!s->theora)
         {
@@ -1915,19 +1908,17 @@ static int vp3_decode_frame(AVCodecContext *avctx,
             av_log(s->avctx, AV_LOG_WARNING, "vp3: first frame not a keyframe\n");
 
             s->golden_frame.reference = 3;
-            s->golden_frame.pict_type = FF_I_TYPE;
+            s->golden_frame.pict_type = AV_PICTURE_TYPE_I;
             if (ff_thread_get_buffer(avctx, &s->golden_frame) < 0) {
                 av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
                 goto error;
             }
             s->last_frame = s->golden_frame;
             s->last_frame.type = FF_BUFFER_TYPE_COPY;
+            ff_thread_report_progress(&s->last_frame, INT_MAX, 0);
         }
     }
 
-    s->current_frame.qscale_table= s->qscale_table; //FIXME allocate individual tables per AVFrame
-    s->current_frame.qstride= 0;
-
     memset(s->all_fragments, 0, s->fragment_count * sizeof(Vp3Fragment));
     ff_thread_finish_setup(avctx);
 
@@ -2007,6 +1998,7 @@ static av_cold int vp3_decode_end(AVCodecContext *avctx)
     av_free(s->macroblock_coding);
     av_free(s->motion_val[0]);
     av_free(s->motion_val[1]);
+    av_free(s->edge_emu_buffer);
 
     if (avctx->is_copy) return 0;