[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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