avcodec/cabac: force get_cabac to be not inlined

[ffmpeg] / libavcodec / hnm4video.c

diff --git a/libavcodec/hnm4video.c b/libavcodec/hnm4video.c
index b3cf8ef19945f930dd0535ce3ef9ca0b73a16921..177972ba64d0057242682b8e119c2d009f670504 100644 (file)
--- a/libavcodec/hnm4video.c
+++ b/libavcodec/hnm4video.c
@@ -78,7 +78,7 @@ static void unpack_intraframe(AVCodecContext *avctx, uint8_t *src,
         if (getbit(&gb, &bitbuf, &bits)) {
             if (writeoffset >= hnm->width * hnm->height) {
                 av_log(avctx, AV_LOG_ERROR,
-                       "Attempting to write out of bounds");
+                       "Attempting to write out of bounds\n");
                 break;
             }
             hnm->current[writeoffset++] = bytestream2_get_byte(&gb);
@@ -99,11 +99,11 @@ static void unpack_intraframe(AVCodecContext *avctx, uint8_t *src,
             count  += 2;
             offset += writeoffset;
             if (offset < 0 || offset + count >= hnm->width * hnm->height) {
-                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds");
+                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds\n");
                 break;
             } else if (writeoffset + count >= hnm->width * hnm->height) {
                 av_log(avctx, AV_LOG_ERROR,
-                       "Attempting to write out of bounds");
+                       "Attempting to write out of bounds\n");
                 break;
             }
             while (count--) {
@@ -202,14 +202,14 @@ static void decode_interframe_v4(AVCodecContext *avctx, uint8_t *src, uint32_t s
             left = count;
 
             if (!backward && offset + 2*count > hnm->width * hnm->height) {
-                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds");
+                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds\n");
                 break;
             } else if (backward && offset + 1 >= hnm->width * hnm->height) {
-                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds");
+                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds\n");
                 break;
             } else if (writeoffset + 2*count > hnm->width * hnm->height) {
                 av_log(avctx, AV_LOG_ERROR,
-                       "Attempting to write out of bounds");
+                       "Attempting to write out of bounds\n");
                 break;
             }
             if(backward) {
@@ -287,6 +287,10 @@ static void decode_interframe_v4a(AVCodecContext *avctx, uint8_t *src,
             if (tag == 0) {
                 writeoffset += bytestream2_get_byte(&gb);
             } else if (tag == 1) {
+                if (writeoffset + hnm->width >= hnm->width * hnm->height) {
+                    av_log(avctx, AV_LOG_ERROR, "writeoffset out of bounds\n");
+                    break;
+                }
                 hnm->current[writeoffset]              = bytestream2_get_byte(&gb);
                 hnm->current[writeoffset + hnm->width] = bytestream2_get_byte(&gb);
                 writeoffset++;
@@ -295,6 +299,10 @@ static void decode_interframe_v4a(AVCodecContext *avctx, uint8_t *src,
             } else if (tag == 3) {
                 break;
             }
+            if (writeoffset > hnm->width * hnm->height) {
+                av_log(avctx, AV_LOG_ERROR, "writeoffset out of bounds\n");
+                break;
+            }
         } else {
             delta    = bytestream2_peek_byte(&gb) & 0x80;
             previous = bytestream2_peek_byte(&gb) & 0x40;
@@ -307,10 +315,10 @@ static void decode_interframe_v4a(AVCodecContext *avctx, uint8_t *src,
                 offset -= 0x10000;
 
             if (offset + hnm->width + count >= hnm->width * hnm->height) {
-                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds");
+                av_log(avctx, AV_LOG_ERROR, "Attempting to read out of bounds\n");
                 break;
             } else if (writeoffset + hnm->width + count >= hnm->width * hnm->height) {
-                av_log(avctx, AV_LOG_ERROR, "Attempting to write out of bounds");
+                av_log(avctx, AV_LOG_ERROR, "Attempting to write out of bounds\n");
                 break;
             }
 
@@ -389,19 +397,18 @@ static int hnm_decode_frame(AVCodecContext *avctx, void *data,
         return AVERROR_INVALIDDATA;
     }
 
-    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
-        return ret;
-
     chunk_id = AV_RL16(avpkt->data + 4);
 
     if (chunk_id == HNM4_CHUNK_ID_PL) {
         hnm_update_palette(avctx, avpkt->data, avpkt->size);
-        frame->palette_has_changed = 1;
     } else if (chunk_id == HNM4_CHUNK_ID_IZ) {
         if (avpkt->size < 12) {
             av_log(avctx, AV_LOG_ERROR, "packet too small\n");
             return AVERROR_INVALIDDATA;
         }
+        if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
+            return ret;
+
         unpack_intraframe(avctx, avpkt->data + 12, avpkt->size - 12);
         memcpy(hnm->previous, hnm->current, hnm->width * hnm->height);
         if (hnm->version == 0x4a)
@@ -414,6 +421,9 @@ static int hnm_decode_frame(AVCodecContext *avctx, void *data,
         memcpy(frame->data[1], hnm->palette, 256 * 4);
         *got_frame = 1;
     } else if (chunk_id == HNM4_CHUNK_ID_IU) {
+        if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
+            return ret;
+
         if (hnm->version == 0x4a) {
             decode_interframe_v4a(avctx, avpkt->data + 8, avpkt->size - 8);
             memcpy(hnm->processed, hnm->current, hnm->width * hnm->height);
@@ -453,7 +463,9 @@ static av_cold int hnm_decode_init(AVCodecContext *avctx)
     hnm->buffer2   = av_mallocz(avctx->width * avctx->height);
     hnm->processed = av_mallocz(avctx->width * avctx->height);
 
-    if (!hnm->buffer1 || !hnm->buffer2 || !hnm->processed) {
+    if (   !hnm->buffer1 || !hnm->buffer2 || !hnm->processed
+        || avctx->width * avctx->height == 0
+        || avctx->height % 2) {
         av_log(avctx, AV_LOG_ERROR, "av_mallocz() failed\n");
         av_freep(&hnm->buffer1);
         av_freep(&hnm->buffer2);