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avcodec/mpegvideo: Move sprite-related fields to Mpeg4DecContext 

Only used there.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-10-12 17:58:40 +02:00
parent 4209216ee8
commit 5d93c330f7
4 changed files with 58 additions and 58 deletions
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106
libavcodec/mpeg4videodec.c
View File

@ -81,12 +81,12 @@ static void gmc1_motion(MpegEncContext *s, const Mpeg4DecContext *ctx,
ptrdiff_t offset, linesize, uvlinesize;
int emu = 0;
motion_x = s->sprite_offset[0][0];
motion_y = s->sprite_offset[0][1];
src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy + 1));
src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy + 1));
motion_x *= 1 << (3 - s->sprite_warping_accuracy);
motion_y *= 1 << (3 - s->sprite_warping_accuracy);
motion_x = ctx->sprite_offset[0][0];
motion_y = ctx->sprite_offset[0][1];
src_x = s->mb_x * 16 + (motion_x >> (ctx->sprite_warping_accuracy + 1));
src_y = s->mb_y * 16 + (motion_y >> (ctx->sprite_warping_accuracy + 1));
motion_x *= 1 << (3 - ctx->sprite_warping_accuracy);
motion_y *= 1 << (3 - ctx->sprite_warping_accuracy);
src_x = av_clip(src_x, -16, s->width);
if (src_x == s->width)
motion_x = 0;
@ -128,12 +128,12 @@ static void gmc1_motion(MpegEncContext *s, const Mpeg4DecContext *ctx,
if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
return;
motion_x = s->sprite_offset[1][0];
motion_y = s->sprite_offset[1][1];
src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy + 1));
src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy + 1));
motion_x *= 1 << (3 - s->sprite_warping_accuracy);
motion_y *= 1 << (3 - s->sprite_warping_accuracy);
motion_x = ctx->sprite_offset[1][0];
motion_y = ctx->sprite_offset[1][1];
src_x = s->mb_x * 8 + (motion_x >> (ctx->sprite_warping_accuracy + 1));
src_y = s->mb_y * 8 + (motion_y >> (ctx->sprite_warping_accuracy + 1));
motion_x *= 1 << (3 - ctx->sprite_warping_accuracy);
motion_y *= 1 << (3 - ctx->sprite_warping_accuracy);
src_x = av_clip(src_x, -8, s->width >> 1);
if (src_x == s->width >> 1)
motion_x = 0;
@ -175,7 +175,7 @@ static void gmc_motion(MpegEncContext *s, const Mpeg4DecContext *ctx,
{
const uint8_t *ptr;
int linesize, uvlinesize;
const int a = s->sprite_warping_accuracy;
const int a = ctx->sprite_warping_accuracy;
int ox, oy;
linesize = s->linesize;
@ -183,46 +183,46 @@ static void gmc_motion(MpegEncContext *s, const Mpeg4DecContext *ctx,
ptr = ref_picture[0];
ox = s->sprite_offset[0][0] + s->sprite_delta[0][0] * s->mb_x * 16 +
s->sprite_delta[0][1] * s->mb_y * 16;
oy = s->sprite_offset[0][1] + s->sprite_delta[1][0] * s->mb_x * 16 +
s->sprite_delta[1][1] * s->mb_y * 16;
ox = ctx->sprite_offset[0][0] + ctx->sprite_delta[0][0] * s->mb_x * 16 +
ctx->sprite_delta[0][1] * s->mb_y * 16;
oy = ctx->sprite_offset[0][1] + ctx->sprite_delta[1][0] * s->mb_x * 16 +
ctx->sprite_delta[1][1] * s->mb_y * 16;
ctx->mdsp.gmc(dest_y, ptr, linesize, 16,
ox, oy,
s->sprite_delta[0][0], s->sprite_delta[0][1],
s->sprite_delta[1][0], s->sprite_delta[1][1],
ctx->sprite_delta[0][0], ctx->sprite_delta[0][1],
ctx->sprite_delta[1][0], ctx->sprite_delta[1][1],
a + 1, (1 << (2 * a + 1)) - s->no_rounding,
s->h_edge_pos, s->v_edge_pos);
ctx->mdsp.gmc(dest_y + 8, ptr, linesize, 16,
ox + s->sprite_delta[0][0] * 8,
oy + s->sprite_delta[1][0] * 8,
s->sprite_delta[0][0], s->sprite_delta[0][1],
s->sprite_delta[1][0], s->sprite_delta[1][1],
a + 1, (1 << (2 * a + 1)) - s->no_rounding,
s->h_edge_pos, s->v_edge_pos);
ox + ctx->sprite_delta[0][0] * 8,
oy + ctx->sprite_delta[1][0] * 8,
ctx->sprite_delta[0][0], ctx->sprite_delta[0][1],
ctx->sprite_delta[1][0], ctx->sprite_delta[1][1],
a + 1, (1 << (2 * a + 1)) - s->no_rounding,
s->h_edge_pos, s->v_edge_pos);
if (CONFIG_GRAY && s->avctx->flags & AV_CODEC_FLAG_GRAY)
return;
ox = s->sprite_offset[1][0] + s->sprite_delta[0][0] * s->mb_x * 8 +
s->sprite_delta[0][1] * s->mb_y * 8;
oy = s->sprite_offset[1][1] + s->sprite_delta[1][0] * s->mb_x * 8 +
s->sprite_delta[1][1] * s->mb_y * 8;
ox = ctx->sprite_offset[1][0] + ctx->sprite_delta[0][0] * s->mb_x * 8 +
ctx->sprite_delta[0][1] * s->mb_y * 8;
oy = ctx->sprite_offset[1][1] + ctx->sprite_delta[1][0] * s->mb_x * 8 +
ctx->sprite_delta[1][1] * s->mb_y * 8;
ptr = ref_picture[1];
ctx->mdsp.gmc(dest_cb, ptr, uvlinesize, 8,
ox, oy,
s->sprite_delta[0][0], s->sprite_delta[0][1],
s->sprite_delta[1][0], s->sprite_delta[1][1],
ctx->sprite_delta[0][0], ctx->sprite_delta[0][1],
ctx->sprite_delta[1][0], ctx->sprite_delta[1][1],
a + 1, (1 << (2 * a + 1)) - s->no_rounding,
(s->h_edge_pos + 1) >> 1, (s->v_edge_pos + 1) >> 1);
ptr = ref_picture[2];
ctx->mdsp.gmc(dest_cr, ptr, uvlinesize, 8,
ox, oy,
s->sprite_delta[0][0], s->sprite_delta[0][1],
s->sprite_delta[1][0], s->sprite_delta[1][1],
ctx->sprite_delta[0][0], ctx->sprite_delta[0][1],
ctx->sprite_delta[1][0], ctx->sprite_delta[1][1],
a + 1, (1 << (2 * a + 1)) - s->no_rounding,
(s->h_edge_pos + 1) >> 1, (s->v_edge_pos + 1) >> 1);
}
@ -233,7 +233,7 @@ void ff_mpeg4_mcsel_motion(MpegEncContext *s,
{
const Mpeg4DecContext *const ctx = (Mpeg4DecContext*)s;
if (s->real_sprite_warping_points == 1) {
if (ctx->real_sprite_warping_points == 1) {
gmc1_motion(s, ctx, dest_y, dest_cb, dest_cr,
ref_picture);
} else {
@ -418,8 +418,8 @@ static inline int mpeg4_is_resync(Mpeg4DecContext *ctx)
static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *gb)
{
MpegEncContext *s = &ctx->m;
int a = 2 << s->sprite_warping_accuracy;
int rho = 3 - s->sprite_warping_accuracy;
int a = 2 << ctx->sprite_warping_accuracy;
int rho = 3 - ctx->sprite_warping_accuracy;
int r = 16 / a;
int alpha = 1;
int beta = 0;
@ -607,7 +607,7 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
sprite_delta[1][1] = a;
ctx->sprite_shift[0] = 0;
ctx->sprite_shift[1] = 0;
s->real_sprite_warping_points = 1;
ctx->real_sprite_warping_points = 1;
} else {
int shift_y = 16 - ctx->sprite_shift[0];
int shift_c = 16 - ctx->sprite_shift[1];
@ -653,18 +653,18 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
goto overflow;
}
}
s->real_sprite_warping_points = ctx->num_sprite_warping_points;
ctx->real_sprite_warping_points = ctx->num_sprite_warping_points;
}
for (i = 0; i < 4; i++) {
s->sprite_offset[i&1][i>>1] = sprite_offset[i&1][i>>1];
s->sprite_delta [i&1][i>>1] = sprite_delta [i&1][i>>1];
ctx->sprite_offset[i&1][i>>1] = sprite_offset[i&1][i>>1];
ctx->sprite_delta [i&1][i>>1] = sprite_delta [i&1][i>>1];
}
return 0;
overflow:
memset(s->sprite_offset, 0, sizeof(s->sprite_offset));
memset(s->sprite_delta, 0, sizeof(s->sprite_delta));
memset(ctx->sprite_offset, 0, sizeof(ctx->sprite_offset));
memset(ctx->sprite_delta, 0, sizeof(ctx->sprite_delta));
return AVERROR_PATCHWELCOME;
}
@ -832,25 +832,25 @@ static inline int get_amv(Mpeg4DecContext *ctx, int n)
MpegEncContext *s = &ctx->m;
int x, y, mb_v, sum, dx, dy, shift;
int len = 1 << (s->f_code + 4);
const int a = s->sprite_warping_accuracy;
const int a = ctx->sprite_warping_accuracy;
if (s->workaround_bugs & FF_BUG_AMV)
len >>= s->quarter_sample;
if (s->real_sprite_warping_points == 1) {
if (ctx->real_sprite_warping_points == 1) {
if (ctx->divx_version == 500 && ctx->divx_build == 413 && a >= s->quarter_sample)
sum = s->sprite_offset[0][n] / (1 << (a - s->quarter_sample));
sum = ctx->sprite_offset[0][n] / (1 << (a - s->quarter_sample));
else
sum = RSHIFT(s->sprite_offset[0][n] * (1 << s->quarter_sample), a);
sum = RSHIFT(ctx->sprite_offset[0][n] * (1 << s->quarter_sample), a);
} else {
dx = s->sprite_delta[n][0];
dy = s->sprite_delta[n][1];
dx = ctx->sprite_delta[n][0];
dy = ctx->sprite_delta[n][1];
shift = ctx->sprite_shift[0];
if (n)
dy -= 1 << (shift + a + 1);
else
dx -= 1 << (shift + a + 1);
mb_v = s->sprite_offset[0][n] + dx * s->mb_x * 16U + dy * s->mb_y * 16U;
mb_v = ctx->sprite_offset[0][n] + dx * s->mb_x * 16U + dy * s->mb_y * 16U;
sum = 0;
for (y = 0; y < 16; y++) {
@ -2698,7 +2698,7 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
ctx->num_sprite_warping_points = 0;
return AVERROR_INVALIDDATA;
}
s->sprite_warping_accuracy = get_bits(gb, 2);
ctx->sprite_warping_accuracy = get_bits(gb, 2);
ctx->sprite_brightness_change = get_bits1(gb);
if (ctx->vol_sprite_usage == STATIC_SPRITE)
skip_bits1(gb); // low_latency_sprite
@ -3286,8 +3286,8 @@ static int decode_vop_header(Mpeg4DecContext *ctx, GetBitContext *gb,
if (ctx->vol_sprite_usage == STATIC_SPRITE)
av_log(s->avctx, AV_LOG_ERROR, "static sprite not supported\n");
} else {
memset(s->sprite_offset, 0, sizeof(s->sprite_offset));
memset(s->sprite_delta, 0, sizeof(s->sprite_delta));
memset(ctx->sprite_offset, 0, sizeof(ctx->sprite_offset));
memset(ctx->sprite_delta, 0, sizeof(ctx->sprite_delta));
}
}
@ -3329,7 +3329,7 @@ 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,
ctx->num_sprite_warping_points, s->sprite_warping_accuracy,
ctx->num_sprite_warping_points, ctx->sprite_warping_accuracy,
1 - s->no_rounding, ctx->vo_type,
ctx->vol_control_parameters ? " VOLC" : " ", ctx->intra_dc_threshold,
ctx->cplx_estimation_trash_i, ctx->cplx_estimation_trash_p,

4
libavcodec/mpeg4videodec.h
View File

@ -38,7 +38,11 @@ typedef struct Mpeg4DecContext {
int shape;
int vol_sprite_usage;
int sprite_brightness_change;
int sprite_warping_accuracy;
int num_sprite_warping_points;
int real_sprite_warping_points;
int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY]
int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY]
/// sprite trajectory points
uint16_t sprite_traj[4][2];
/// sprite shift [isChroma]

4
libavcodec/mpegvideo.h
View File

@ -376,13 +376,9 @@ 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 real_sprite_warping_points;
int sprite_offset[2][2]; ///< sprite offset[isChroma][isMVY]
int sprite_delta[2][2]; ///< sprite_delta [isY][isMVY]
int mcsel;
int quant_precision;
int quarter_sample; ///< 1->qpel, 0->half pel ME/MC
int sprite_warping_accuracy;
int data_partitioning; ///< data partitioning flag from header
int partitioned_frame; ///< is current frame partitioned
int low_delay; ///< no reordering needed / has no B-frames

2
libavcodec/vaapi_mpeg4.c
View File

@ -66,7 +66,7 @@ static int vaapi_mpeg4_start_frame(AVCodecContext *avctx, av_unused const uint8_
.interlaced = !s->progressive_sequence,
.obmc_disable = 1,
.sprite_enable = ctx->vol_sprite_usage,
.sprite_warping_accuracy = s->sprite_warping_accuracy,
.sprite_warping_accuracy = ctx->sprite_warping_accuracy,
.quant_type = s->mpeg_quant,
.quarter_sample = s->quarter_sample,
.data_partitioned = s->data_partitioning,