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mpeg4videodec: move num_sprite_warping_points from MpegEncContext to Mpeg4DecContext

This commit is contained in:
Anton Khirnov 2013-11-26 14:34:52 +01:00
parent 9ba3fc3e3d
commit 513d849bb6
4 changed files with 12 additions and 11 deletions
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2
libavcodec/mpeg4video.h
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@ -67,6 +67,8 @@ typedef struct Mpeg4DecContext {
int shape;
int vol_sprite_usage;
int sprite_brightness_change;
int num_sprite_warping_points;
// reversible vlc
int rvlc;
///< could this stream contain resync markers

16
libavcodec/mpeg4videodec.c
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@ -172,7 +172,7 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
if (w <= 0 || h <= 0)
return AVERROR_INVALIDDATA;
for (i = 0; i < s->num_sprite_warping_points; i++) {
for (i = 0; i < ctx->num_sprite_warping_points; i++) {
int length;
int x = 0, y = 0;
@ -240,7 +240,7 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
ROUNDED_DIV(((h - h2) * (r * sprite_ref[0][1] - 16 * vop_ref[0][1]) +
h2 * (r * sprite_ref[2][1] - 16 * vop_ref[2][1])), h);
switch (s->num_sprite_warping_points) {
switch (ctx->num_sprite_warping_points) {
case 0:
s->sprite_offset[0][0] =
s->sprite_offset[0][1] =
@ -359,7 +359,7 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
s->sprite_delta[1][i] <<= shift_y;
s->sprite_shift[i] = 16;
}
s->real_sprite_warping_points = s->num_sprite_warping_points;
s->real_sprite_warping_points = ctx->num_sprite_warping_points;
}
return 0;
@ -1780,12 +1780,12 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
skip_bits(gb, 13); // sprite_top
skip_bits1(gb); /* marker */
}
s->num_sprite_warping_points = get_bits(gb, 6);
if (s->num_sprite_warping_points > 3) {
ctx->num_sprite_warping_points = get_bits(gb, 6);
if (ctx->num_sprite_warping_points > 3) {
av_log(s->avctx, AV_LOG_ERROR,
"%d sprite_warping_points\n",
s->num_sprite_warping_points);
s->num_sprite_warping_points = 0;
ctx->num_sprite_warping_points);
ctx->num_sprite_warping_points = 0;
return -1;
}
s->sprite_warping_accuracy = get_bits(gb, 2);
@ -2242,7 +2242,7 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb)
gb->size_in_bits, s->progressive_sequence, s->alternate_scan,
s->top_field_first, s->quarter_sample ? "q" : "h",
s->data_partitioning, ctx->resync_marker,
s->num_sprite_warping_points, s->sprite_warping_accuracy,
ctx->num_sprite_warping_points, s->sprite_warping_accuracy,
1 - s->no_rounding, s->vo_type,
s->vol_control_parameters ? " VOLC" : " ", s->intra_dc_threshold,
ctx->cplx_estimation_trash_i, ctx->cplx_estimation_trash_p,

1
libavcodec/mpegvideo.h
View File

@ -579,7 +579,6 @@ typedef struct MpegEncContext {
uint16_t pb_time; ///< time distance between the last b and p,s,i frame
uint16_t pp_field_time;
uint16_t pb_field_time; ///< like above, just for interlaced
int num_sprite_warping_points;
int real_sprite_warping_points;
uint16_t sprite_traj[4][2]; ///< sprite trajectory points
int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY]

4
libavcodec/vaapi_mpeg4.c
View File

@ -73,8 +73,8 @@ static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_
pic_param->vol_fields.bits.data_partitioned = s->data_partitioning;
pic_param->vol_fields.bits.reversible_vlc = ctx->rvlc;
pic_param->vol_fields.bits.resync_marker_disable = !ctx->resync_marker;
pic_param->no_of_sprite_warping_points = s->num_sprite_warping_points;
for (i = 0; i < s->num_sprite_warping_points && i < 3; i++) {
pic_param->no_of_sprite_warping_points = ctx->num_sprite_warping_points;
for (i = 0; i < ctx->num_sprite_warping_points && i < 3; i++) {
pic_param->sprite_trajectory_du[i] = s->sprite_traj[i][0];
pic_param->sprite_trajectory_dv[i] = s->sprite_traj[i][1];
}