Merge remote-tracking branch 'qatar/master'

[ffmpeg] / libavcodec / tscc.c

diff --git a/libavcodec/tscc.c b/libavcodec/tscc.c
index 9de53a726763719f681f420e54e94c40491aefed..bc57ec74cb01657dfd8703d97eff06b29227d676 100644 (file)
--- a/libavcodec/tscc.c
+++ b/libavcodec/tscc.c
@@ -60,6 +60,8 @@ typedef struct TsccContext {
     unsigned char* decomp_buf;
     int height;
     z_stream zstream;
+
+    uint32_t pal[256];
 } CamtasiaContext;
 
 /*
@@ -73,7 +75,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
     int buf_size = avpkt->size;
     CamtasiaContext * const c = avctx->priv_data;
     const unsigned char *encoded = buf;
-    unsigned char *outptr;
     int zret; // Zlib return code
     int len = buf_size;
 
@@ -87,8 +88,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
         return -1;
     }
 
-    outptr = c->pic.data[0]; // Output image pointer
-
     zret = inflateReset(&(c->zstream));
     if (zret != Z_OK) {
         av_log(avctx, AV_LOG_ERROR, "Inflate reset error: %d\n", zret);
@@ -111,11 +110,13 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPac
 
     /* make the palette available on the way out */
     if (c->avctx->pix_fmt == PIX_FMT_PAL8) {
-        memcpy(c->pic.data[1], c->avctx->palctrl->palette, AVPALETTE_SIZE);
-        if (c->avctx->palctrl->palette_changed) {
+        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
+
+        if (pal) {
             c->pic.palette_has_changed = 1;
-            c->avctx->palctrl->palette_changed = 0;
+            memcpy(c->pal, pal, AVPALETTE_SIZE);
         }
+        memcpy(c->pic.data[1], c->pal, AVPALETTE_SIZE);
     }
 
     *data_size = sizeof(AVFrame);
@@ -141,6 +142,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
     c->height = avctx->height;
 
+    avcodec_get_frame_defaults(&c->pic);
     // Needed if zlib unused or init aborted before inflateInit
     memset(&(c->zstream), 0, sizeof(z_stream));
     switch(avctx->bits_per_coded_sample){