h263enc: test that dimensions are a multiple of 4

[ffmpeg] / libavcodec / vp56.c

diff --git a/libavcodec/vp56.c b/libavcodec/vp56.c
index c6be75d5ee63719141903eaf0ac8c93afd427e4c..c6e32af867c6056a232e53478194b53574c6f4b6 100644 (file)
--- a/libavcodec/vp56.c
+++ b/libavcodec/vp56.c
@@ -1,20 +1,20 @@
 /*
  * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * 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 2.1 of the License, or (at your option) any later version.
  *
- * Libav 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 Libav; 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
  */
 
@@ -268,7 +268,7 @@ static void vp56_add_predictors_dc(VP56Context *s, VP56Frame ref_frame)
 
     for (b=0; b<6; b++) {
         VP56RefDc *ab = &s->above_blocks[s->above_block_idx[b]];
-        VP56RefDc *lb = &s->left_block[vp56_b6to4[b]];
+        VP56RefDc *lb = &s->left_block[ff_vp56_b6to4[b]];
         int count = 0;
         int dc = 0;
         int i;
@@ -288,12 +288,12 @@ static void vp56_add_predictors_dc(VP56Context *s, VP56Frame ref_frame)
                     count++;
                 }
         if (count == 0)
-            dc = s->prev_dc[vp56_b2p[b]][ref_frame];
+            dc = s->prev_dc[ff_vp56_b2p[b]][ref_frame];
         else if (count == 2)
             dc /= 2;
 
         s->block_coeff[b][idx] += dc;
-        s->prev_dc[vp56_b2p[b]][ref_frame] = s->block_coeff[b][idx];
+        s->prev_dc[ff_vp56_b2p[b]][ref_frame] = s->block_coeff[b][idx];
         ab->dc_coeff = s->block_coeff[b][idx];
         ab->ref_frame = ref_frame;
         lb->dc_coeff = s->block_coeff[b][idx];
@@ -410,7 +410,7 @@ static void vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha)
     switch (mb_type) {
         case VP56_MB_INTRA:
             for (b=0; b<b_max; b++) {
-                plane = vp56_b2p[b+ab];
+                plane = ff_vp56_b2p[b+ab];
                 s->dsp.idct_put(frame_current->data[plane] + s->block_offset[b],
                                 s->stride[plane], s->block_coeff[b]);
             }
@@ -419,7 +419,7 @@ static void vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha)
         case VP56_MB_INTER_NOVEC_PF:
         case VP56_MB_INTER_NOVEC_GF:
             for (b=0; b<b_max; b++) {
-                plane = vp56_b2p[b+ab];
+                plane = ff_vp56_b2p[b+ab];
                 off = s->block_offset[b];
                 s->dsp.put_pixels_tab[1][0](frame_current->data[plane] + off,
                                             frame_ref->data[plane] + off,
@@ -439,7 +439,7 @@ static void vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha)
             for (b=0; b<b_max; b++) {
                 int x_off = b==1 || b==3 ? 8 : 0;
                 int y_off = b==2 || b==3 ? 8 : 0;
-                plane = vp56_b2p[b+ab];
+                plane = ff_vp56_b2p[b+ab];
                 vp56_mc(s, b, plane, frame_ref->data[plane], s->stride[plane],
                         16*col+x_off, 16*row+y_off);
                 s->dsp.idct_add(frame_current->data[plane] + s->block_offset[b],
@@ -529,7 +529,7 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
         }
 
         if (!is_alpha) {
-            p->reference = 1;
+            p->reference = 3;
             if (avctx->get_buffer(avctx, p) < 0) {
                 av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
                 return -1;
@@ -621,7 +621,7 @@ int ff_vp56_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
 
     next:
         if (p->key_frame || golden_frame) {
-            if (s->framep[VP56_FRAME_GOLDEN]->data[0] &&
+            if (s->framep[VP56_FRAME_GOLDEN]->data[0] && s->framep[VP56_FRAME_GOLDEN] != p &&
                 s->framep[VP56_FRAME_GOLDEN] != s->framep[VP56_FRAME_GOLDEN2])
                 avctx->release_buffer(avctx, s->framep[VP56_FRAME_GOLDEN]);
             s->framep[VP56_FRAME_GOLDEN] = p;
@@ -672,8 +672,10 @@ av_cold void ff_vp56_init(AVCodecContext *avctx, int flip, int has_alpha)
     ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
     ff_init_scantable(s->dsp.idct_permutation, &s->scantable,ff_zigzag_direct);
 
-    for (i=0; i<4; i++)
+    for (i=0; i<4; i++) {
         s->framep[i] = &s->frames[i];
+        avcodec_get_frame_defaults(&s->frames[i]);
+    }
     s->framep[VP56_FRAME_UNUSED] = s->framep[VP56_FRAME_GOLDEN];
     s->framep[VP56_FRAME_UNUSED2] = s->framep[VP56_FRAME_GOLDEN2];
     s->edge_emu_buffer_alloc = NULL;