Hap decoder and encoder

[ffmpeg] / libavcodec / smc.c

diff --git a/libavcodec/smc.c b/libavcodec/smc.c
index d16242bf506a8c22e4007468c385cbd3bce86af6..c6541da8438f0e267d14a363d1ae6672fd710013 100644 (file)
--- a/libavcodec/smc.c
+++ b/libavcodec/smc.c
@@ -46,7 +46,7 @@
 typedef struct SmcContext {
 
     AVCodecContext *avctx;
-    AVFrame frame;
+    AVFrame *frame;
 
     GetByteContext gb;
 
@@ -70,7 +70,7 @@ typedef struct SmcContext {
         row_ptr += stride * 4; \
     } \
     total_blocks--; \
-    if (total_blocks < 0) \
+    if (total_blocks < !!n_blocks) \
     { \
         av_log(s->avctx, AV_LOG_INFO, "warning: block counter just went negative (this should not happen)\n"); \
         return; \
@@ -81,7 +81,7 @@ static void smc_decode_stream(SmcContext *s)
 {
     int width = s->avctx->width;
     int height = s->avctx->height;
-    int stride = s->frame.linesize[0];
+    int stride = s->frame->linesize[0];
     int i;
     int chunk_size;
     int buf_size = (int) (s->gb.buffer_end - s->gb.buffer_start);
@@ -92,9 +92,9 @@ static void smc_decode_stream(SmcContext *s)
     unsigned int color_flags_b;
     unsigned int flag_mask;
 
-    unsigned char *pixels = s->frame.data[0];
+    unsigned char *pixels = s->frame->data[0];
 
-    int image_size = height * s->frame.linesize[0];
+    int image_size = height * s->frame->linesize[0];
     int row_ptr = 0;
     int pixel_ptr = 0;
     int pixel_x, pixel_y;
@@ -112,7 +112,7 @@ static void smc_decode_stream(SmcContext *s)
     int color_octet_index = 0;
 
     /* make the palette available */
-    memcpy(s->frame.data[1], s->pal, AVPALETTE_SIZE);
+    memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
 
     bytestream2_skip(&s->gb, 1);
     chunk_size = bytestream2_get_be24(&s->gb);
@@ -402,7 +402,7 @@ static void smc_decode_stream(SmcContext *s)
             break;
 
         case 0xF0:
-            av_log_missing_feature(s->avctx, "0xF0 opcode", 1);
+            avpriv_request_sample(s->avctx, "0xF0 opcode");
             break;
         }
     }
@@ -417,7 +417,9 @@ static av_cold int smc_decode_init(AVCodecContext *avctx)
     s->avctx = avctx;
     avctx->pix_fmt = AV_PIX_FMT_PAL8;
 
-    avcodec_get_frame_defaults(&s->frame);
+    s->frame = av_frame_alloc();
+    if (!s->frame)
+        return AVERROR(ENOMEM);
 
     return 0;
 }
@@ -434,20 +436,20 @@ static int smc_decode_frame(AVCodecContext *avctx,
 
     bytestream2_init(&s->gb, buf, buf_size);
 
-    if ((ret = ff_reget_buffer(avctx, &s->frame)) < 0) {
+    if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) {
         av_log(s->avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
         return ret;
     }
 
     if (pal) {
-        s->frame.palette_has_changed = 1;
+        s->frame->palette_has_changed = 1;
         memcpy(s->pal, pal, AVPALETTE_SIZE);
     }
 
     smc_decode_stream(s);
 
     *got_frame      = 1;
-    if ((ret = av_frame_ref(data, &s->frame)) < 0)
+    if ((ret = av_frame_ref(data, s->frame)) < 0)
         return ret;
 
     /* always report that the buffer was completely consumed */
@@ -458,13 +460,14 @@ static av_cold int smc_decode_end(AVCodecContext *avctx)
 {
     SmcContext *s = avctx->priv_data;
 
-    av_frame_unref(&s->frame);
+    av_frame_free(&s->frame);
 
     return 0;
 }
 
 AVCodec ff_smc_decoder = {
     .name           = "smc",
+    .long_name      = NULL_IF_CONFIG_SMALL("QuickTime Graphics (SMC)"),
     .type           = AVMEDIA_TYPE_VIDEO,
     .id             = AV_CODEC_ID_SMC,
     .priv_data_size = sizeof(SmcContext),
@@ -472,5 +475,4 @@ AVCodec ff_smc_decoder = {
     .close          = smc_decode_end,
     .decode         = smc_decode_frame,
     .capabilities   = CODEC_CAP_DR1,
-    .long_name      = NULL_IF_CONFIG_SMALL("QuickTime Graphics (SMC)"),
 };