[FFmpeg-cvslog] r15505 - trunk/libavcodec/vp3.c

conrad subversion
Wed Oct 1 16:48:55 CEST 2008


Author: conrad
Date: Wed Oct  1 16:48:54 2008
New Revision: 15505

Log:
Cosmetics: reindent

Modified:
   trunk/libavcodec/vp3.c

Modified: trunk/libavcodec/vp3.c
==============================================================================
--- trunk/libavcodec/vp3.c	(original)
+++ trunk/libavcodec/vp3.c	Wed Oct  1 16:48:54 2008
@@ -814,152 +814,152 @@ static int unpack_vectors(Vp3DecodeConte
     if (s->keyframe)
         return 0;
 
-        memset(motion_x, 0, 6 * sizeof(int));
-        memset(motion_y, 0, 6 * sizeof(int));
-
-        /* coding mode 0 is the VLC scheme; 1 is the fixed code scheme */
-        coding_mode = get_bits1(gb);
+    memset(motion_x, 0, 6 * sizeof(int));
+    memset(motion_y, 0, 6 * sizeof(int));
 
-        /* iterate through all of the macroblocks that contain 1 or more
-         * coded fragments */
-        for (i = 0; i < s->u_superblock_start; i++) {
+    /* coding mode 0 is the VLC scheme; 1 is the fixed code scheme */
+    coding_mode = get_bits1(gb);
 
-            for (j = 0; j < 4; j++) {
-                current_macroblock = s->superblock_macroblocks[i * 4 + j];
-                if ((current_macroblock == -1) ||
-                    (s->macroblock_coding[current_macroblock] == MODE_COPY))
-                    continue;
-                if (current_macroblock >= s->macroblock_count) {
-                    av_log(s->avctx, AV_LOG_ERROR, "  vp3:unpack_vectors(): bad macroblock number (%d >= %d)\n",
-                        current_macroblock, s->macroblock_count);
-                    return 1;
-                }
+    /* iterate through all of the macroblocks that contain 1 or more
+     * coded fragments */
+    for (i = 0; i < s->u_superblock_start; i++) {
 
-                current_fragment = s->macroblock_fragments[current_macroblock * 6];
-                if (current_fragment >= s->fragment_count) {
-                    av_log(s->avctx, AV_LOG_ERROR, "  vp3:unpack_vectors(): bad fragment number (%d >= %d\n",
-                        current_fragment, s->fragment_count);
-                    return 1;
-                }
-                switch (s->macroblock_coding[current_macroblock]) {
+        for (j = 0; j < 4; j++) {
+            current_macroblock = s->superblock_macroblocks[i * 4 + j];
+            if ((current_macroblock == -1) ||
+                (s->macroblock_coding[current_macroblock] == MODE_COPY))
+                continue;
+            if (current_macroblock >= s->macroblock_count) {
+                av_log(s->avctx, AV_LOG_ERROR, "  vp3:unpack_vectors(): bad macroblock number (%d >= %d)\n",
+                    current_macroblock, s->macroblock_count);
+                return 1;
+            }
 
-                case MODE_INTER_PLUS_MV:
-                case MODE_GOLDEN_MV:
-                    /* all 6 fragments use the same motion vector */
-                    if (coding_mode == 0) {
-                        motion_x[0] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
-                        motion_y[0] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
-                    } else {
-                        motion_x[0] = fixed_motion_vector_table[get_bits(gb, 6)];
-                        motion_y[0] = fixed_motion_vector_table[get_bits(gb, 6)];
-                    }
+            current_fragment = s->macroblock_fragments[current_macroblock * 6];
+            if (current_fragment >= s->fragment_count) {
+                av_log(s->avctx, AV_LOG_ERROR, "  vp3:unpack_vectors(): bad fragment number (%d >= %d\n",
+                    current_fragment, s->fragment_count);
+                return 1;
+            }
+            switch (s->macroblock_coding[current_macroblock]) {
 
-                    for (k = 1; k < 6; k++) {
-                        motion_x[k] = motion_x[0];
-                        motion_y[k] = motion_y[0];
-                    }
+            case MODE_INTER_PLUS_MV:
+            case MODE_GOLDEN_MV:
+                /* all 6 fragments use the same motion vector */
+                if (coding_mode == 0) {
+                    motion_x[0] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
+                    motion_y[0] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
+                } else {
+                    motion_x[0] = fixed_motion_vector_table[get_bits(gb, 6)];
+                    motion_y[0] = fixed_motion_vector_table[get_bits(gb, 6)];
+                }
 
-                    /* vector maintenance, only on MODE_INTER_PLUS_MV */
-                    if (s->macroblock_coding[current_macroblock] ==
-                        MODE_INTER_PLUS_MV) {
-                        prior_last_motion_x = last_motion_x;
-                        prior_last_motion_y = last_motion_y;
-                        last_motion_x = motion_x[0];
-                        last_motion_y = motion_y[0];
-                    }
-                    break;
+                for (k = 1; k < 6; k++) {
+                    motion_x[k] = motion_x[0];
+                    motion_y[k] = motion_y[0];
+                }
 
-                case MODE_INTER_FOURMV:
-                    /* vector maintenance */
+                /* vector maintenance, only on MODE_INTER_PLUS_MV */
+                if (s->macroblock_coding[current_macroblock] ==
+                    MODE_INTER_PLUS_MV) {
                     prior_last_motion_x = last_motion_x;
                     prior_last_motion_y = last_motion_y;
+                    last_motion_x = motion_x[0];
+                    last_motion_y = motion_y[0];
+                }
+                break;
 
-                    /* fetch 4 vectors from the bitstream, one for each
-                     * Y fragment, then average for the C fragment vectors */
-                    motion_x[4] = motion_y[4] = 0;
-                    for (k = 0; k < 4; k++) {
-                        for (l = 0; l < s->coded_fragment_list_index; l++)
-                            if (s->coded_fragment_list[l] == s->macroblock_fragments[6*current_macroblock + k])
-                                break;
-                        if (l < s->coded_fragment_list_index) {
-                            if (coding_mode == 0) {
-                                motion_x[k] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
-                                motion_y[k] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
-                            } else {
-                                motion_x[k] = fixed_motion_vector_table[get_bits(gb, 6)];
-                                motion_y[k] = fixed_motion_vector_table[get_bits(gb, 6)];
-                            }
-                            last_motion_x = motion_x[k];
-                            last_motion_y = motion_y[k];
+            case MODE_INTER_FOURMV:
+                /* vector maintenance */
+                prior_last_motion_x = last_motion_x;
+                prior_last_motion_y = last_motion_y;
+
+                /* fetch 4 vectors from the bitstream, one for each
+                 * Y fragment, then average for the C fragment vectors */
+                motion_x[4] = motion_y[4] = 0;
+                for (k = 0; k < 4; k++) {
+                    for (l = 0; l < s->coded_fragment_list_index; l++)
+                        if (s->coded_fragment_list[l] == s->macroblock_fragments[6*current_macroblock + k])
+                            break;
+                    if (l < s->coded_fragment_list_index) {
+                        if (coding_mode == 0) {
+                            motion_x[k] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
+                            motion_y[k] = motion_vector_table[get_vlc2(gb, s->motion_vector_vlc.table, 6, 2)];
                         } else {
-                            motion_x[k] = 0;
-                            motion_y[k] = 0;
+                            motion_x[k] = fixed_motion_vector_table[get_bits(gb, 6)];
+                            motion_y[k] = fixed_motion_vector_table[get_bits(gb, 6)];
                         }
-                        motion_x[4] += motion_x[k];
-                        motion_y[4] += motion_y[k];
+                        last_motion_x = motion_x[k];
+                        last_motion_y = motion_y[k];
+                    } else {
+                        motion_x[k] = 0;
+                        motion_y[k] = 0;
                     }
+                    motion_x[4] += motion_x[k];
+                    motion_y[4] += motion_y[k];
+                }
 
-                    motion_x[5]=
-                    motion_x[4]= RSHIFT(motion_x[4], 2);
-                    motion_y[5]=
-                    motion_y[4]= RSHIFT(motion_y[4], 2);
-                    break;
+                motion_x[5]=
+                motion_x[4]= RSHIFT(motion_x[4], 2);
+                motion_y[5]=
+                motion_y[4]= RSHIFT(motion_y[4], 2);
+                break;
 
-                case MODE_INTER_LAST_MV:
-                    /* all 6 fragments use the last motion vector */
-                    motion_x[0] = last_motion_x;
-                    motion_y[0] = last_motion_y;
-                    for (k = 1; k < 6; k++) {
-                        motion_x[k] = motion_x[0];
-                        motion_y[k] = motion_y[0];
-                    }
+            case MODE_INTER_LAST_MV:
+                /* all 6 fragments use the last motion vector */
+                motion_x[0] = last_motion_x;
+                motion_y[0] = last_motion_y;
+                for (k = 1; k < 6; k++) {
+                    motion_x[k] = motion_x[0];
+                    motion_y[k] = motion_y[0];
+                }
 
-                    /* no vector maintenance (last vector remains the
-                     * last vector) */
-                    break;
+                /* no vector maintenance (last vector remains the
+                 * last vector) */
+                break;
 
-                case MODE_INTER_PRIOR_LAST:
-                    /* all 6 fragments use the motion vector prior to the
-                     * last motion vector */
-                    motion_x[0] = prior_last_motion_x;
-                    motion_y[0] = prior_last_motion_y;
-                    for (k = 1; k < 6; k++) {
-                        motion_x[k] = motion_x[0];
-                        motion_y[k] = motion_y[0];
-                    }
+            case MODE_INTER_PRIOR_LAST:
+                /* all 6 fragments use the motion vector prior to the
+                 * last motion vector */
+                motion_x[0] = prior_last_motion_x;
+                motion_y[0] = prior_last_motion_y;
+                for (k = 1; k < 6; k++) {
+                    motion_x[k] = motion_x[0];
+                    motion_y[k] = motion_y[0];
+                }
 
-                    /* vector maintenance */
-                    prior_last_motion_x = last_motion_x;
-                    prior_last_motion_y = last_motion_y;
-                    last_motion_x = motion_x[0];
-                    last_motion_y = motion_y[0];
-                    break;
+                /* vector maintenance */
+                prior_last_motion_x = last_motion_x;
+                prior_last_motion_y = last_motion_y;
+                last_motion_x = motion_x[0];
+                last_motion_y = motion_y[0];
+                break;
 
-                default:
-                    /* covers intra, inter without MV, golden without MV */
-                    memset(motion_x, 0, 6 * sizeof(int));
-                    memset(motion_y, 0, 6 * sizeof(int));
+            default:
+                /* covers intra, inter without MV, golden without MV */
+                memset(motion_x, 0, 6 * sizeof(int));
+                memset(motion_y, 0, 6 * sizeof(int));
 
-                    /* no vector maintenance */
-                    break;
-                }
+                /* no vector maintenance */
+                break;
+            }
 
-                /* assign the motion vectors to the correct fragments */
-                for (k = 0; k < 6; k++) {
-                    current_fragment =
-                        s->macroblock_fragments[current_macroblock * 6 + k];
-                    if (current_fragment == -1)
-                        continue;
-                    if (current_fragment >= s->fragment_count) {
-                        av_log(s->avctx, AV_LOG_ERROR, "  vp3:unpack_vectors(): bad fragment number (%d >= %d)\n",
-                            current_fragment, s->fragment_count);
-                        return 1;
-                    }
-                    s->all_fragments[current_fragment].motion_x = motion_x[k];
-                    s->all_fragments[current_fragment].motion_y = motion_y[k];
+            /* assign the motion vectors to the correct fragments */
+            for (k = 0; k < 6; k++) {
+                current_fragment =
+                    s->macroblock_fragments[current_macroblock * 6 + k];
+                if (current_fragment == -1)
+                    continue;
+                if (current_fragment >= s->fragment_count) {
+                    av_log(s->avctx, AV_LOG_ERROR, "  vp3:unpack_vectors(): bad fragment number (%d >= %d)\n",
+                        current_fragment, s->fragment_count);
+                    return 1;
                 }
+                s->all_fragments[current_fragment].motion_x = motion_x[k];
+                s->all_fragments[current_fragment].motion_y = motion_y[k];
             }
         }
+    }
 
     return 0;
 }




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