lavc: Add spherical packet side data API

[ffmpeg] / libavcodec / mdec.c

diff --git a/libavcodec/mdec.c b/libavcodec/mdec.c
index 6b70e37e76ad4f8ab0d231f085c752bb68bf2c52..4b6056e15cffe0585e8b9edf4c859fcd919e6cbb 100644 (file)
--- a/libavcodec/mdec.c
+++ b/libavcodec/mdec.c
@@ -30,7 +30,6 @@
 #include "avcodec.h"
 #include "blockdsp.h"
 #include "idctdsp.h"
-#include "mpegvideo.h"
 #include "mpeg12.h"
 #include "thread.h"
 
@@ -86,7 +85,12 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
             if (level == 127) {
                 break;
             } else if (level != 0) {
-                i    += run;
+                i += run;
+                if (i > 63) {
+                    av_log(a->avctx, AV_LOG_ERROR,
+                           "ac-tex damaged at %d %d\n", a->mb_x, a->mb_y);
+                    return AVERROR_INVALIDDATA;
+                }
                 j     = scantable[i];
                 level = (level * qscale * quant_matrix[j]) >> 3;
                 level = (level ^ SHOW_SBITS(re, &a->gb, 1)) - SHOW_SBITS(re, &a->gb, 1);
@@ -96,8 +100,13 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
                 run = SHOW_UBITS(re, &a->gb, 6)+1; LAST_SKIP_BITS(re, &a->gb, 6);
                 UPDATE_CACHE(re, &a->gb);
                 level = SHOW_SBITS(re, &a->gb, 10); SKIP_BITS(re, &a->gb, 10);
-                i    += run;
-                j     = scantable[i];
+                i += run;
+                if (i > 63) {
+                    av_log(a->avctx, AV_LOG_ERROR,
+                           "ac-tex damaged at %d %d\n", a->mb_x, a->mb_y);
+                    return AVERROR_INVALIDDATA;
+                }
+                j = scantable[i];
                 if (level < 0) {
                     level = -level;
                     level = (level * qscale * quant_matrix[j]) >> 3;
@@ -108,10 +117,6 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
                     level = (level - 1) | 1;
                 }
             }
-            if (i > 63) {
-                av_log(a->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", a->mb_x, a->mb_y);
-                return AVERROR_INVALIDDATA;
-            }
 
             block[j] = level;
         }
@@ -124,7 +129,7 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
 static inline int decode_mb(MDECContext *a, int16_t block[6][64])
 {
     int i, ret;
-    const int block_index[6] = { 5, 4, 0, 1, 2, 3 };
+    static const int block_index[6] = { 5, 4, 0, 1, 2, 3 };
 
     a->bdsp.clear_blocks(block[0]);
 
@@ -152,7 +157,7 @@ static inline void idct_put(MDECContext *a, AVFrame *frame, int mb_x, int mb_y)
     a->idsp.idct_put(dest_y + 8 * linesize,     linesize, block[2]);
     a->idsp.idct_put(dest_y + 8 * linesize + 8, linesize, block[3]);
 
-    if (!(a->avctx->flags & CODEC_FLAG_GRAY)) {
+    if (!(a->avctx->flags & AV_CODEC_FLAG_GRAY)) {
         a->idsp.idct_put(dest_cb, frame->linesize[1], block[4]);
         a->idsp.idct_put(dest_cr, frame->linesize[2], block[5]);
     }
@@ -175,7 +180,7 @@ static int decode_frame(AVCodecContext *avctx,
     frame.f->pict_type = AV_PICTURE_TYPE_I;
     frame.f->key_frame = 1;
 
-    av_fast_malloc(&a->bitstream_buffer, &a->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+    av_fast_malloc(&a->bitstream_buffer, &a->bitstream_buffer_size, buf_size + AV_INPUT_BUFFER_PADDING_SIZE);
     if (!a->bitstream_buffer)
         return AVERROR(ENOMEM);
     for (i = 0; i < buf_size; i += 2) {
@@ -257,6 +262,6 @@ AVCodec ff_mdec_decoder = {
     .init             = decode_init,
     .close            = decode_end,
     .decode           = decode_frame,
-    .capabilities     = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
+    .capabilities     = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
     .init_thread_copy = ONLY_IF_THREADS_ENABLED(decode_init_thread_copy)
 };