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lavc/speedhqdec: Reindent

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This commit is contained in:
Tomas Härdin 2024-05-13 17:01:28 +02:00
parent 42d5ddb2de
commit 017a18b026
1 changed files with 77 additions and 77 deletions
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154
libavcodec/speedhqdec.c
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@ -297,98 +297,98 @@ static int decode_speedhq_field(const SHQContext *s, const uint8_t *buf, int buf
return AVERROR_INVALIDDATA;
}
slice_begin = slice_offsets[slice_number];
slice_end = slice_offsets[slice_number + 1];
slice_begin = slice_offsets[slice_number];
slice_end = slice_offsets[slice_number + 1];
if ((ret = init_get_bits8(&gb, buf + slice_begin + 3, slice_end - slice_begin - 3)) < 0)
return ret;
if ((ret = init_get_bits8(&gb, buf + slice_begin + 3, slice_end - slice_begin - 3)) < 0)
return ret;
for (y = slice_number * 16 * line_stride; y < frame->height; y += line_stride * 64) {
uint8_t *dest_y, *dest_cb, *dest_cr, *dest_a;
int last_dc[4] = { 1024, 1024, 1024, 1024 };
uint8_t last_alpha[16];
for (y = slice_number * 16 * line_stride; y < frame->height; y += line_stride * 64) {
uint8_t *dest_y, *dest_cb, *dest_cr, *dest_a;
int last_dc[4] = { 1024, 1024, 1024, 1024 };
uint8_t last_alpha[16];
memset(last_alpha, 255, sizeof(last_alpha));
memset(last_alpha, 255, sizeof(last_alpha));
dest_y = frame->data[0] + frame->linesize[0] * (y + field_number);
if (s->subsampling == SHQ_SUBSAMPLING_420) {
dest_cb = frame->data[1] + frame->linesize[1] * (y/2 + field_number);
dest_cr = frame->data[2] + frame->linesize[2] * (y/2 + field_number);
} else {
dest_cb = frame->data[1] + frame->linesize[1] * (y + field_number);
dest_cr = frame->data[2] + frame->linesize[2] * (y + field_number);
}
if (s->alpha_type != SHQ_NO_ALPHA) {
dest_a = frame->data[3] + frame->linesize[3] * (y + field_number);
}
dest_y = frame->data[0] + frame->linesize[0] * (y + field_number);
if (s->subsampling == SHQ_SUBSAMPLING_420) {
dest_cb = frame->data[1] + frame->linesize[1] * (y/2 + field_number);
dest_cr = frame->data[2] + frame->linesize[2] * (y/2 + field_number);
} else {
dest_cb = frame->data[1] + frame->linesize[1] * (y + field_number);
dest_cr = frame->data[2] + frame->linesize[2] * (y + field_number);
}
if (s->alpha_type != SHQ_NO_ALPHA) {
dest_a = frame->data[3] + frame->linesize[3] * (y + field_number);
}
for (x = 0; x < frame->width - 8 * (s->subsampling != SHQ_SUBSAMPLING_444); x += 16) {
/* Decode the four luma blocks. */
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y, linesize_y)) < 0)
for (x = 0; x < frame->width - 8 * (s->subsampling != SHQ_SUBSAMPLING_444); x += 16) {
/* Decode the four luma blocks. */
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y, linesize_y)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y + 8, linesize_y)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y + 8 * linesize_y, linesize_y)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y + 8 * linesize_y + 8, linesize_y)) < 0)
return ret;
/*
* Decode the first chroma block. For 4:2:0, this is the only one;
* for 4:2:2, it's the top block; for 4:4:4, it's the top-left block.
*/
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb, linesize_cb)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr, linesize_cr)) < 0)
return ret;
if (s->subsampling != SHQ_SUBSAMPLING_420) {
/* For 4:2:2, this is the bottom block; for 4:4:4, it's the bottom-left block. */
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb + 8 * linesize_cb, linesize_cb)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y + 8, linesize_y)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y + 8 * linesize_y, linesize_y)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 0, dest_y + 8 * linesize_y + 8, linesize_y)) < 0)
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr + 8 * linesize_cr, linesize_cr)) < 0)
return ret;
/*
* Decode the first chroma block. For 4:2:0, this is the only one;
* for 4:2:2, it's the top block; for 4:4:4, it's the top-left block.
*/
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb, linesize_cb)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr, linesize_cr)) < 0)
return ret;
if (s->subsampling != SHQ_SUBSAMPLING_420) {
/* For 4:2:2, this is the bottom block; for 4:4:4, it's the bottom-left block. */
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb + 8 * linesize_cb, linesize_cb)) < 0)
if (s->subsampling == SHQ_SUBSAMPLING_444) {
/* Top-right and bottom-right blocks. */
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb + 8, linesize_cb)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr + 8 * linesize_cr, linesize_cr)) < 0)
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr + 8, linesize_cr)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb + 8 * linesize_cb + 8, linesize_cb)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr + 8 * linesize_cr + 8, linesize_cr)) < 0)
return ret;
if (s->subsampling == SHQ_SUBSAMPLING_444) {
/* Top-right and bottom-right blocks. */
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb + 8, linesize_cb)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr + 8, linesize_cr)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 1, dest_cb + 8 * linesize_cb + 8, linesize_cb)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 2, dest_cr + 8 * linesize_cr + 8, linesize_cr)) < 0)
return ret;
dest_cb += 8;
dest_cr += 8;
}
dest_cb += 8;
dest_cr += 8;
}
dest_y += 16;
dest_cb += 8;
dest_cr += 8;
}
dest_y += 16;
dest_cb += 8;
dest_cr += 8;
if (s->alpha_type == SHQ_RLE_ALPHA) {
/* Alpha coded using 16x8 RLE blocks. */
if ((ret = decode_alpha_block(s, &gb, last_alpha, dest_a, linesize_a)) < 0)
return ret;
if ((ret = decode_alpha_block(s, &gb, last_alpha, dest_a + 8 * linesize_a, linesize_a)) < 0)
return ret;
dest_a += 16;
} else if (s->alpha_type == SHQ_DCT_ALPHA) {
/* Alpha encoded exactly like luma. */
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a, linesize_a)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a + 8, linesize_a)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a + 8 * linesize_a, linesize_a)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a + 8 * linesize_a + 8, linesize_a)) < 0)
return ret;
dest_a += 16;
}
if (s->alpha_type == SHQ_RLE_ALPHA) {
/* Alpha coded using 16x8 RLE blocks. */
if ((ret = decode_alpha_block(s, &gb, last_alpha, dest_a, linesize_a)) < 0)
return ret;
if ((ret = decode_alpha_block(s, &gb, last_alpha, dest_a + 8 * linesize_a, linesize_a)) < 0)
return ret;
dest_a += 16;
} else if (s->alpha_type == SHQ_DCT_ALPHA) {
/* Alpha encoded exactly like luma. */
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a, linesize_a)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a + 8, linesize_a)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a + 8 * linesize_a, linesize_a)) < 0)
return ret;
if ((ret = decode_dct_block(s, &gb, last_dc, 3, dest_a + 8 * linesize_a + 8, linesize_a)) < 0)
return ret;
dest_a += 16;
}
}
}
if (s->subsampling != SHQ_SUBSAMPLING_444 && (frame->width & 15) && slice_number == 3)
return decode_speedhq_border(s, &gb, frame, field_number, line_stride);