Cosmetics: reindent

Originally committed as revision 15505 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad
2008-10-01 14:48:54 +00:00
parent 10f38380be
commit 1ae4518d73

View File

@ -814,152 +814,152 @@ static int unpack_vectors(Vp3DecodeContext *s, GetBitContext *gb)
if (s->keyframe) if (s->keyframe)
return 0; return 0;
memset(motion_x, 0, 6 * sizeof(int)); memset(motion_x, 0, 6 * sizeof(int));
memset(motion_y, 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 0 is the VLC scheme; 1 is the fixed code scheme */
coding_mode = get_bits1(gb); coding_mode = get_bits1(gb);
/* iterate through all of the macroblocks that contain 1 or more /* iterate through all of the macroblocks that contain 1 or more
* coded fragments */ * coded fragments */
for (i = 0; i < s->u_superblock_start; i++) { for (i = 0; i < s->u_superblock_start; i++) {
for (j = 0; j < 4; j++) { for (j = 0; j < 4; j++) {
current_macroblock = s->superblock_macroblocks[i * 4 + j]; current_macroblock = s->superblock_macroblocks[i * 4 + j];
if ((current_macroblock == -1) || if ((current_macroblock == -1) ||
(s->macroblock_coding[current_macroblock] == MODE_COPY)) (s->macroblock_coding[current_macroblock] == MODE_COPY))
continue; continue;
if (current_macroblock >= s->macroblock_count) { if (current_macroblock >= s->macroblock_count) {
av_log(s->avctx, AV_LOG_ERROR, " vp3:unpack_vectors(): bad macroblock number (%d >= %d)\n", av_log(s->avctx, AV_LOG_ERROR, " vp3:unpack_vectors(): bad macroblock number (%d >= %d)\n",
current_macroblock, s->macroblock_count); current_macroblock, s->macroblock_count);
return 1; return 1;
}
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]) {
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]; for (k = 1; k < 6; k++) {
if (current_fragment >= s->fragment_count) { motion_x[k] = motion_x[0];
av_log(s->avctx, AV_LOG_ERROR, " vp3:unpack_vectors(): bad fragment number (%d >= %d\n", motion_y[k] = motion_y[0];
current_fragment, s->fragment_count);
return 1;
} }
switch (s->macroblock_coding[current_macroblock]) {
case MODE_INTER_PLUS_MV: /* vector maintenance, only on MODE_INTER_PLUS_MV */
case MODE_GOLDEN_MV: if (s->macroblock_coding[current_macroblock] ==
/* all 6 fragments use the same motion vector */ MODE_INTER_PLUS_MV) {
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)];
}
for (k = 1; k < 6; k++) {
motion_x[k] = motion_x[0];
motion_y[k] = motion_y[0];
}
/* 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;
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] = 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];
} 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;
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;
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_x = last_motion_x;
prior_last_motion_y = last_motion_y; prior_last_motion_y = last_motion_y;
last_motion_x = motion_x[0]; last_motion_x = motion_x[0];
last_motion_y = motion_y[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));
/* no vector maintenance */
break;
} }
break;
/* assign the motion vectors to the correct fragments */ case MODE_INTER_FOURMV:
for (k = 0; k < 6; k++) { /* vector maintenance */
current_fragment = prior_last_motion_x = last_motion_x;
s->macroblock_fragments[current_macroblock * 6 + k]; prior_last_motion_y = last_motion_y;
if (current_fragment == -1)
continue; /* fetch 4 vectors from the bitstream, one for each
if (current_fragment >= s->fragment_count) { * Y fragment, then average for the C fragment vectors */
av_log(s->avctx, AV_LOG_ERROR, " vp3:unpack_vectors(): bad fragment number (%d >= %d)\n", motion_x[4] = motion_y[4] = 0;
current_fragment, s->fragment_count); for (k = 0; k < 4; k++) {
return 1; 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];
} else {
motion_x[k] = 0;
motion_y[k] = 0;
} }
s->all_fragments[current_fragment].motion_x = motion_x[k]; motion_x[4] += motion_x[k];
s->all_fragments[current_fragment].motion_y = motion_y[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;
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;
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;
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;
}
/* 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; return 0;
} }