X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fmpeg4video.h;h=dd0a59038d4974c56c7a7a3b53608b1672b7379a;hb=7f22a4ebc97817fd0968f5ea8295c9a59a6292e0;hp=6672c6dd66dbd2183b918a33fafb0f3fe32b512c;hpb=c00579ab32aa620116c97dbc52c4c31418bc7fbb;p=ffmpeg

diff --git a/libavcodec/mpeg4video.h b/libavcodec/mpeg4video.h
index 6672c6dd66d..dd0a59038d4 100644
--- a/libavcodec/mpeg4video.h
+++ b/libavcodec/mpeg4video.h
@@ -41,6 +41,8 @@
 #define NBIT_VO_TYPE             5
 #define ARTS_VO_TYPE            10
 #define ACE_VO_TYPE             12
+#define SIMPLE_STUDIO_VO_TYPE   14
+#define CORE_STUDIO_VO_TYPE     15
 #define ADV_SIMPLE_VO_TYPE      17
 
 #define VOT_VIDEO_ID 1
@@ -61,6 +63,10 @@
 #define GOP_STARTCODE        0x1B3
 #define VISUAL_OBJ_STARTCODE 0x1B5
 #define VOP_STARTCODE        0x1B6
+#define SLICE_STARTCODE      0x1B7
+#define EXT_STARTCODE        0x1B8
+
+#define QUANT_MATRIX_EXT_ID  0x3
 
 /* smaller packets likely don't contain a real frame */
 #define MAX_NVOP_SIZE 19
@@ -108,8 +114,16 @@ typedef struct Mpeg4DecContext {
     int cplx_estimation_trash_i;
     int cplx_estimation_trash_p;
     int cplx_estimation_trash_b;
+
+    VLC studio_intra_tab[12];
+    VLC studio_luma_dc;
+    VLC studio_chroma_dc;
+
+    int rgb;
 } Mpeg4DecContext;
 
+static const uint8_t mpeg4_block_count[4] = {0, 6, 8, 12};
+
 /* dc encoding for MPEG-4 */
 extern const uint8_t ff_mpeg4_DCtab_lum[13][2];
 extern const uint8_t ff_mpeg4_DCtab_chrom[13][2];
@@ -137,6 +151,10 @@ extern const uint16_t ff_mpeg4_resync_prefix[8];
 
 extern const uint8_t ff_mpeg4_dc_threshold[8];
 
+extern const uint16_t ff_mpeg4_studio_dc_luma[19][2];
+extern const uint16_t ff_mpeg4_studio_dc_chroma[19][2];
+extern const uint16_t ff_mpeg4_studio_intra[12][22][2];
+
 void ff_mpeg4_encode_mb(MpegEncContext *s,
                         int16_t block[6][64],
                         int motion_x, int motion_y);
@@ -155,6 +173,7 @@ void ff_clean_mpeg4_qscales(MpegEncContext *s);
 int ff_mpeg4_decode_partitions(Mpeg4DecContext *ctx);
 int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
 int ff_mpeg4_decode_video_packet_header(Mpeg4DecContext *ctx);
+int ff_mpeg4_decode_studio_slice_header(Mpeg4DecContext *ctx);
 void ff_mpeg4_init_direct_mv(MpegEncContext *s);
 void ff_mpeg4videodec_static_init(void);
 int ff_mpeg4_workaround_bugs(AVCodecContext *avctx);