tscc2: Fix an out of array access
[ffmpeg.git] / libavcodec / vp3.c
index 373f5e0..90532cb 100644 (file)
@@ -40,6 +40,7 @@
 #include "get_bits.h"
 
 #include "vp3data.h"
+#include "vp3dsp.h"
 #include "xiph.h"
 #include "thread.h"
 
@@ -135,6 +136,7 @@ typedef struct Vp3DecodeContext {
     AVFrame current_frame;
     int keyframe;
     DSPContext dsp;
+    VP3DSPContext vp3dsp;
     int flipped_image;
     int last_slice_end;
     int skip_loop_filter;
@@ -1302,14 +1304,14 @@ static void apply_loop_filter(Vp3DecodeContext *s, int plane, int ystart, int ye
             {
                 /* do not perform left edge filter for left columns frags */
                 if (x > 0) {
-                    s->dsp.vp3_h_loop_filter(
+                    s->vp3dsp.h_loop_filter(
                         plane_data + 8*x,
                         stride, bounding_values);
                 }
 
                 /* do not perform top edge filter for top row fragments */
                 if (y > 0) {
-                    s->dsp.vp3_v_loop_filter(
+                    s->vp3dsp.v_loop_filter(
                         plane_data + 8*x,
                         stride, bounding_values);
                 }
@@ -1319,7 +1321,7 @@ static void apply_loop_filter(Vp3DecodeContext *s, int plane, int ystart, int ye
                  * in this frame (it will be filtered in next iteration) */
                 if ((x < width - 1) &&
                     (s->all_fragments[fragment + 1].coding_method == MODE_COPY)) {
-                    s->dsp.vp3_h_loop_filter(
+                    s->vp3dsp.h_loop_filter(
                         plane_data + 8*x + 8,
                         stride, bounding_values);
                 }
@@ -1329,7 +1331,7 @@ static void apply_loop_filter(Vp3DecodeContext *s, int plane, int ystart, int ye
                  * in this frame (it will be filtered in the next row) */
                 if ((y < height - 1) &&
                     (s->all_fragments[fragment + width].coding_method == MODE_COPY)) {
-                    s->dsp.vp3_v_loop_filter(
+                    s->vp3dsp.v_loop_filter(
                         plane_data + 8*x + 8*stride,
                         stride, bounding_values);
                 }
@@ -1577,9 +1579,7 @@ static void render_slice(Vp3DecodeContext *s, int slice)
                         index = vp3_dequant(s, s->all_fragments + i, plane, 0, block);
                         if (index > 63)
                             continue;
-                        if(s->avctx->idct_algo!=FF_IDCT_VP3)
-                            block[0] += 128<<3;
-                        s->dsp.idct_put(
+                        s->vp3dsp.idct_put(
                             output_plane + first_pixel,
                             stride,
                             block);
@@ -1588,12 +1588,12 @@ static void render_slice(Vp3DecodeContext *s, int slice)
                         if (index > 63)
                             continue;
                         if (index > 0) {
-                        s->dsp.idct_add(
+                        s->vp3dsp.idct_add(
                             output_plane + first_pixel,
                             stride,
                             block);
                         } else {
-                            s->dsp.vp3_idct_dc_add(output_plane + first_pixel, stride, block);
+                            s->vp3dsp.idct_dc_add(output_plane + first_pixel, stride, block);
                         }
                     }
                 } else {
@@ -1673,13 +1673,13 @@ static av_cold int vp3_decode_init(AVCodecContext *avctx)
     s->avctx = avctx;
     s->width = FFALIGN(avctx->width, 16);
     s->height = FFALIGN(avctx->height, 16);
-    if (avctx->pix_fmt == PIX_FMT_NONE)
-        avctx->pix_fmt = PIX_FMT_YUV420P;
+    if (avctx->pix_fmt == AV_PIX_FMT_NONE)
+        avctx->pix_fmt = AV_PIX_FMT_YUV420P;
     avctx->chroma_sample_location = AVCHROMA_LOC_CENTER;
-    if(avctx->idct_algo==FF_IDCT_AUTO)
-        avctx->idct_algo=FF_IDCT_VP3;
     ff_dsputil_init(&s->dsp, avctx);
+    ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
 
+    ff_init_scantable_permutation(s->dsp.idct_permutation, s->vp3dsp.idct_perm);
     ff_init_scantable(s->dsp.idct_permutation, &s->scantable, ff_zigzag_direct);
 
     /* initialize to an impossible value which will force a recalculation
@@ -2073,7 +2073,8 @@ static int read_huffman_tree(AVCodecContext *avctx, GetBitContext *gb)
             return -1;
         }
         token = get_bits(gb, 5);
-        //av_log(avctx, AV_LOG_DEBUG, "hti %d hbits %x token %d entry : %d size %d\n", s->hti, s->hbits, token, s->entries, s->huff_code_size);
+        av_dlog(avctx, "hti %d hbits %x token %d entry : %d size %d\n",
+                s->hti, s->hbits, token, s->entries, s->huff_code_size);
         s->huffman_table[s->hti][token][0] = s->hbits;
         s->huffman_table[s->hti][token][1] = s->huff_code_size;
         s->entries++;
@@ -2114,8 +2115,8 @@ static int vp3_init_thread_copy(AVCodecContext *avctx)
 }
 
 #if CONFIG_THEORA_DECODER
-static const enum PixelFormat theora_pix_fmts[4] = {
-    PIX_FMT_YUV420P, PIX_FMT_NONE, PIX_FMT_YUV422P, PIX_FMT_YUV444P
+static const enum AVPixelFormat theora_pix_fmts[4] = {
+    AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P
 };
 
 static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
@@ -2377,7 +2378,7 @@ static av_cold int theora_decode_init(AVCodecContext *avctx)
 AVCodec ff_theora_decoder = {
     .name                  = "theora",
     .type                  = AVMEDIA_TYPE_VIDEO,
-    .id                    = CODEC_ID_THEORA,
+    .id                    = AV_CODEC_ID_THEORA,
     .priv_data_size        = sizeof(Vp3DecodeContext),
     .init                  = theora_decode_init,
     .close                 = vp3_decode_end,
@@ -2394,7 +2395,7 @@ AVCodec ff_theora_decoder = {
 AVCodec ff_vp3_decoder = {
     .name                  = "vp3",
     .type                  = AVMEDIA_TYPE_VIDEO,
-    .id                    = CODEC_ID_VP3,
+    .id                    = AV_CODEC_ID_VP3,
     .priv_data_size        = sizeof(Vp3DecodeContext),
     .init                  = vp3_decode_init,
     .close                 = vp3_decode_end,