frsh: Export information about the last RTP contract and VRES

[frescor/ffmpeg.git] / libavcodec / svq1dec.c

diff --git a/libavcodec/svq1dec.c b/libavcodec/svq1dec.c
index fd9607495ef21d5b0bf2a2eb8c511d456949eaa9..f31b69f2a19ab07cdae75c2ee44ee07db7885909 100644 (file)
--- a/libavcodec/svq1dec.c
+++ b/libavcodec/svq1dec.c
@@ -26,7 +26,7 @@
  */
 
 /**
- * @file svq1.c
+ * @file libavcodec/svq1.c
  * Sorenson Vector Quantizer #1 (SVQ1) video codec.
  * For more information of the SVQ1 algorithm, visit:
  *   http://www.pcisys.net/~melanson/codecs/
@@ -37,6 +37,7 @@
 #include "avcodec.h"
 #include "dsputil.h"
 #include "mpegvideo.h"
+#include "mathops.h"
 
 #include "svq1.h"
 
@@ -56,7 +57,7 @@ static VLC svq1_inter_mean;
 typedef struct svq1_pmv_s {
   int           x;
   int           y;
-} svq1_pmv_t;
+} svq1_pmv;
 
 static const uint16_t checksum_table[256] = {
   0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7,
@@ -301,7 +302,7 @@ static int svq1_decode_block_non_intra (GetBitContext *bitbuf, uint8_t *pixels,
   return 0;
 }
 
-static int svq1_decode_motion_vector (GetBitContext *bitbuf, svq1_pmv_t *mv, svq1_pmv_t **pmv) {
+static int svq1_decode_motion_vector (GetBitContext *bitbuf, svq1_pmv *mv, svq1_pmv **pmv) {
   int        diff;
   int        i;
 
@@ -342,11 +343,11 @@ static void svq1_skip_block (uint8_t *current, uint8_t *previous, int pitch, int
 
 static int svq1_motion_inter_block (MpegEncContext *s, GetBitContext *bitbuf,
                                uint8_t *current, uint8_t *previous, int pitch,
-                               svq1_pmv_t *motion, int x, int y) {
+                               svq1_pmv *motion, int x, int y) {
   uint8_t    *src;
   uint8_t    *dst;
-  svq1_pmv_t  mv;
-  svq1_pmv_t *pmv[3];
+  svq1_pmv    mv;
+  svq1_pmv   *pmv[3];
   int         result;
 
   /* predict and decode motion vector */
@@ -394,11 +395,11 @@ static int svq1_motion_inter_block (MpegEncContext *s, GetBitContext *bitbuf,
 
 static int svq1_motion_inter_4v_block (MpegEncContext *s, GetBitContext *bitbuf,
                                   uint8_t *current, uint8_t *previous, int pitch,
-                                  svq1_pmv_t *motion,int x, int y) {
+                                  svq1_pmv *motion,int x, int y) {
   uint8_t    *src;
   uint8_t    *dst;
-  svq1_pmv_t  mv;
-  svq1_pmv_t *pmv[4];
+  svq1_pmv    mv;
+  svq1_pmv   *pmv[4];
   int         i, result;
 
   /* predict and decode motion vector (0) */
@@ -484,7 +485,7 @@ static int svq1_motion_inter_4v_block (MpegEncContext *s, GetBitContext *bitbuf,
 
 static int svq1_decode_delta_block (MpegEncContext *s, GetBitContext *bitbuf,
                         uint8_t *current, uint8_t *previous, int pitch,
-                        svq1_pmv_t *motion, int x, int y) {
+                        svq1_pmv *motion, int x, int y) {
   uint32_t block_type;
   int      result = 0;
 
@@ -540,7 +541,7 @@ static int svq1_decode_delta_block (MpegEncContext *s, GetBitContext *bitbuf,
   return result;
 }
 
-static uint16_t svq1_packet_checksum (const uint8_t *data, const int length, int value) {
+uint16_t ff_svq1_packet_checksum (const uint8_t *data, const int length, int value) {
   int i;
 
   for (i=0; i < length; i++) {
@@ -581,7 +582,7 @@ static int svq1_decode_frame_header (GetBitContext *bitbuf,MpegEncContext *s) {
     if (s->f_code == 0x50 || s->f_code == 0x60) {
       int csum = get_bits (bitbuf, 16);
 
-      csum = svq1_packet_checksum (bitbuf->buffer, bitbuf->size_in_bits>>3, csum);
+      csum = ff_svq1_packet_checksum (bitbuf->buffer, bitbuf->size_in_bits>>3, csum);
 
 //      av_log(s->avctx, AV_LOG_INFO, "%s checksum (%02x) for packet data\n",
 //              (csum == 0) ? "correct" : "incorrect", csum);
@@ -641,8 +642,10 @@ static int svq1_decode_frame_header (GetBitContext *bitbuf,MpegEncContext *s) {
 
 static int svq1_decode_frame(AVCodecContext *avctx,
                              void *data, int *data_size,
-                             const uint8_t *buf, int buf_size)
+                             AVPacket *avpkt)
 {
+  const uint8_t *buf = avpkt->data;
+  int buf_size = avpkt->size;
   MpegEncContext *s=avctx->priv_data;
   uint8_t        *current, *previous;
   int             result, i, x, y, width, height;
@@ -727,9 +730,9 @@ static int svq1_decode_frame(AVCodecContext *avctx,
         current += 16*linesize;
       }
     } else {
-      svq1_pmv_t pmv[width/8+3];
+      svq1_pmv pmv[width/8+3];
       /* delta frame */
-      memset (pmv, 0, ((width / 8) + 3) * sizeof(svq1_pmv_t));
+      memset (pmv, 0, ((width / 8) + 3) * sizeof(svq1_pmv));
 
       for (y=0; y < height; y+=16) {
         for (x=0; x < width; x+=16) {
@@ -779,28 +782,28 @@ static av_cold int svq1_decode_init(AVCodecContext *avctx)
 
     init_vlc(&svq1_block_type, 2, 4,
         &ff_svq1_block_type_vlc[0][1], 2, 1,
-        &ff_svq1_block_type_vlc[0][0], 2, 1, 1);
+        &ff_svq1_block_type_vlc[0][0], 2, 1, INIT_VLC_USE_STATIC);
 
     init_vlc(&svq1_motion_component, 7, 33,
         &mvtab[0][1], 2, 1,
-        &mvtab[0][0], 2, 1, 1);
+        &mvtab[0][0], 2, 1, INIT_VLC_USE_STATIC);
 
     for (i = 0; i < 6; i++) {
         init_vlc(&svq1_intra_multistage[i], 3, 8,
             &ff_svq1_intra_multistage_vlc[i][0][1], 2, 1,
-            &ff_svq1_intra_multistage_vlc[i][0][0], 2, 1, 1);
+            &ff_svq1_intra_multistage_vlc[i][0][0], 2, 1, INIT_VLC_USE_STATIC);
         init_vlc(&svq1_inter_multistage[i], 3, 8,
             &ff_svq1_inter_multistage_vlc[i][0][1], 2, 1,
-            &ff_svq1_inter_multistage_vlc[i][0][0], 2, 1, 1);
+            &ff_svq1_inter_multistage_vlc[i][0][0], 2, 1, INIT_VLC_USE_STATIC);
     }
 
     init_vlc(&svq1_intra_mean, 8, 256,
         &ff_svq1_intra_mean_vlc[0][1], 4, 2,
-        &ff_svq1_intra_mean_vlc[0][0], 4, 2, 1);
+        &ff_svq1_intra_mean_vlc[0][0], 4, 2, INIT_VLC_USE_STATIC);
 
     init_vlc(&svq1_inter_mean, 9, 512,
         &ff_svq1_inter_mean_vlc[0][1], 4, 2,
-        &ff_svq1_inter_mean_vlc[0][0], 4, 2, 1);
+        &ff_svq1_inter_mean_vlc[0][0], 4, 2, INIT_VLC_USE_STATIC);
 
     return 0;
 }
@@ -826,5 +829,5 @@ AVCodec svq1_decoder = {
     CODEC_CAP_DR1,
     .flush= ff_mpeg_flush,
     .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV410P, PIX_FMT_NONE},
-    .long_name= "Sorenson Vector Quantizer 1",
+    .long_name= NULL_IF_CONFIG_SMALL("Sorenson Vector Quantizer 1"),
 };