* Copyright (c) 2009 Konstantin Shishkov
* Copyright (C) 2011 Peter Ross <pross@xvid.org>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "libavcore/imgutils.h"
+#include "libavutil/attributes.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/internal.h"
+
+#define BITSTREAM_READER_LE
#include "avcodec.h"
-#include "dsputil.h"
#include "binkdata.h"
-#include "mathops.h"
-
-#define ALT_BITSTREAM_READER_LE
+#include "binkdsp.h"
+#include "blockdsp.h"
#include "get_bits.h"
+#include "hpeldsp.h"
+#include "internal.h"
+#include "mathops.h"
#define BINK_FLAG_ALPHA 0x00100000
#define BINK_FLAG_GRAY 0x00020000
0, 0, 0, 1, 1, 0, 1, 0, 0, 0
};
-static uint32_t binkb_intra_quant[16][64];
-static uint32_t binkb_inter_quant[16][64];
+static int32_t binkb_intra_quant[16][64];
+static int32_t binkb_inter_quant[16][64];
/**
* IDs for different data types used in Bink video codec
*/
typedef struct BinkContext {
AVCodecContext *avctx;
- DSPContext dsp;
- AVFrame pic, last;
+ BlockDSPContext bdsp;
+ HpelDSPContext hdsp;
+ BinkDSPContext binkdsp;
+ AVFrame *last;
int version; ///< internal Bink file version
int has_alpha;
int swap_planes;
- ScanTable scantable; ///< permutated scantable for DCT coeffs decoding
Bundle bundle[BINKB_NB_SRC]; ///< bundles for decoding all data types
Tree col_high[16]; ///< trees for decoding high nibble in "colours" data type
*/
static void init_lengths(BinkContext *c, int width, int bw)
{
+ width = FFALIGN(width, 8);
+
c->bundle[BINK_SRC_BLOCK_TYPES].len = av_log2((width >> 3) + 511) + 1;
c->bundle[BINK_SRC_SUB_BLOCK_TYPES].len = av_log2((width >> 4) + 511) + 1;
*/
static void read_tree(GetBitContext *gb, Tree *tree)
{
- uint8_t tmp1[16], tmp2[16], *in = tmp1, *out = tmp2;
+ uint8_t tmp1[16] = { 0 }, tmp2[16], *in = tmp1, *out = tmp2;
int i, t, len;
tree->vlc_num = get_bits(gb, 4);
}
if (get_bits1(gb)) {
len = get_bits(gb, 3);
- memset(tmp1, 0, sizeof(tmp1));
for (i = 0; i <= len; i++) {
tree->syms[i] = get_bits(gb, 4);
tmp1[tree->syms[i]] = 1;
}
- for (i = 0; i < 16; i++)
+ for (i = 0; i < 16 && len < 16 - 1; i++)
if (!tmp1[i])
tree->syms[++len] = i;
} else {
dec_end = b->cur_dec + t;
if (dec_end > b->data_end) {
av_log(avctx, AV_LOG_ERROR, "Run value went out of bounds\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (get_bits1(gb)) {
v = get_bits(gb, 4);
dec_end = b->cur_dec + t;
if (dec_end > b->data_end) {
av_log(avctx, AV_LOG_ERROR, "Too many motion values\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (get_bits1(gb)) {
v = get_bits(gb, 4);
memset(b->cur_dec, v, t);
b->cur_dec += t;
} else {
- do {
+ while (b->cur_dec < dec_end) {
v = GET_HUFF(gb, b->tree);
if (v) {
sign = -get_bits1(gb);
v = (v ^ sign) - sign;
}
*b->cur_dec++ = v;
- } while (b->cur_dec < dec_end);
+ }
}
return 0;
}
dec_end = b->cur_dec + t;
if (dec_end > b->data_end) {
av_log(avctx, AV_LOG_ERROR, "Too many block type values\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (get_bits1(gb)) {
v = get_bits(gb, 4);
memset(b->cur_dec, v, t);
b->cur_dec += t;
} else {
- do {
+ while (b->cur_dec < dec_end) {
v = GET_HUFF(gb, b->tree);
if (v < 12) {
last = v;
} else {
int run = bink_rlelens[v - 12];
+ if (dec_end - b->cur_dec < run)
+ return AVERROR_INVALIDDATA;
memset(b->cur_dec, last, run);
b->cur_dec += run;
}
- } while (b->cur_dec < dec_end);
+ }
}
return 0;
}
dec_end = b->cur_dec + t;
if (dec_end > b->data_end) {
av_log(avctx, AV_LOG_ERROR, "Too many pattern values\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
while (b->cur_dec < dec_end) {
v = GET_HUFF(gb, b->tree);
dec_end = b->cur_dec + t;
if (dec_end > b->data_end) {
av_log(c->avctx, AV_LOG_ERROR, "Too many color values\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (get_bits1(gb)) {
c->col_lastval = GET_HUFF(gb, c->col_high[c->col_lastval]);
int start_bits, int has_sign)
{
int i, j, len, len2, bsize, sign, v, v2;
- int16_t *dst = (int16_t*)b->cur_dec;
+ int16_t *dst = (int16_t*)b->cur_dec;
+ int16_t *dst_end = (int16_t*)b->data_end;
CHECK_READ_VAL(gb, b, len);
v = get_bits(gb, start_bits - has_sign);
sign = -get_bits1(gb);
v = (v ^ sign) - sign;
}
+ if (dst_end - dst < 1)
+ return AVERROR_INVALIDDATA;
*dst++ = v;
len--;
for (i = 0; i < len; i += 8) {
len2 = FFMIN(len - i, 8);
+ if (dst_end - dst < len2)
+ return AVERROR_INVALIDDATA;
bsize = get_bits(gb, 4);
if (bsize) {
for (j = 0; j < len2; j++) {
*dst++ = v;
if (v < -32768 || v > 32767) {
av_log(avctx, AV_LOG_ERROR, "DC value went out of bounds: %d\n", v);
- return -1;
+ return AVERROR_INVALIDDATA;
}
}
} else {
return ret;
}
-static void binkb_init_bundle(BinkContext *c, int bundle_num)
+static av_cold void binkb_init_bundle(BinkContext *c, int bundle_num)
{
c->bundle[bundle_num].cur_dec =
c->bundle[bundle_num].cur_ptr = c->bundle[bundle_num].data;
c->bundle[bundle_num].len = 13;
}
-static void binkb_init_bundles(BinkContext *c)
+static av_cold void binkb_init_bundles(BinkContext *c)
{
int i;
for (i = 0; i < BINKB_NB_SRC; i++)
int i, len;
CHECK_READ_VAL(gb, b, len);
+ if (b->data_end - b->cur_dec < len * (1 + (bits > 8)))
+ return AVERROR_INVALIDDATA;
if (bits <= 8) {
if (!issigned) {
for (i = 0; i < len; i++)
return ret;
}
-typedef const uint32_t quant_matrices[16][64];
-static const quant_matrices * bink_quant_matrices[2][2] = {
- { &bink_inter_quant, &bink_intra_quant },
- { &binkb_inter_quant, &binkb_intra_quant },
-};
-
/**
* Read 8x8 block of DCT coefficients.
*
* @param gb context for reading bits
* @param block place for storing coefficients
* @param scan scan order table
- * @param is_binkb use version 'b' quantizer matrices
- * @param is_intra tells what set of quantizer matrices to use
+ * @param quant_matrices quantization matrices
* @return 0 for success, negative value in other cases
*/
-static int read_dct_coeffs(GetBitContext *gb, DCTELEM block[64], const uint8_t *scan,
- int is_binkb, int is_intra, int q)
+static int read_dct_coeffs(GetBitContext *gb, int32_t block[64], const uint8_t *scan,
+ const int32_t quant_matrices[16][64], int q)
{
int coef_list[128];
int mode_list[128];
- int i, t, mask, bits, ccoef, mode, sign;
+ int i, t, bits, ccoef, mode, sign;
int list_start = 64, list_end = 64, list_pos;
int coef_count = 0;
int coef_idx[64];
int quant_idx;
- const uint32_t *quant;
+ const int32_t *quant;
coef_list[list_end] = 4; mode_list[list_end++] = 0;
coef_list[list_end] = 24; mode_list[list_end++] = 0;
coef_list[list_end] = 2; mode_list[list_end++] = 3;
coef_list[list_end] = 3; mode_list[list_end++] = 3;
- bits = get_bits(gb, 4) - 1;
- for (mask = 1 << bits; bits >= 0; mask >>= 1, bits--) {
+ for (bits = get_bits(gb, 4) - 1; bits >= 0; bits--) {
list_pos = list_start;
while (list_pos < list_end) {
if (!(mode_list[list_pos] | coef_list[list_pos]) || !get_bits1(gb)) {
coef_list[--list_start] = ccoef;
mode_list[ list_start] = 3;
} else {
- int t;
if (!bits) {
t = 1 - (get_bits1(gb) << 1);
} else {
- t = get_bits(gb, bits) | mask;
+ t = get_bits(gb, bits) | 1 << bits;
sign = -get_bits1(gb);
t = (t ^ sign) - sign;
}
if (!bits) {
t = 1 - (get_bits1(gb) << 1);
} else {
- t = get_bits(gb, bits) | mask;
+ t = get_bits(gb, bits) | 1 << bits;
sign = -get_bits1(gb);
t = (t ^ sign) - sign;
}
quant_idx = q;
}
- quant = (*bink_quant_matrices[is_binkb][is_intra])[quant_idx];
+ if (quant_idx >= 16)
+ return AVERROR_INVALIDDATA;
+
+ quant = quant_matrices[quant_idx];
block[0] = (block[0] * quant[0]) >> 11;
for (i = 0; i < coef_count; i++) {
* @param masks_count number of masks to decode
* @return 0 on success, negative value in other cases
*/
-static int read_residue(GetBitContext *gb, DCTELEM block[64], int masks_count)
+static int read_residue(GetBitContext *gb, int16_t block[64], int masks_count)
{
int coef_list[128];
int mode_list[128];
memcpy(dst + i*stride, tmp + i*8, 8);
}
-static int binkb_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
- int is_key, int is_chroma)
+static int binkb_decode_plane(BinkContext *c, AVFrame *frame, GetBitContext *gb,
+ int plane_idx, int is_key, int is_chroma)
{
- int blk;
+ int blk, ret;
int i, j, bx, by;
uint8_t *dst, *ref, *ref_start, *ref_end;
int v, col[2];
const uint8_t *scan;
int xoff, yoff;
- DECLARE_ALIGNED(16, DCTELEM, block[64]);
+ LOCAL_ALIGNED_16(int16_t, block, [64]);
+ LOCAL_ALIGNED_16(int32_t, dctblock, [64]);
int coordmap[64];
int ybias = is_key ? -15 : 0;
int qp;
- const int stride = c->pic.linesize[plane_idx];
+ const int stride = frame->linesize[plane_idx];
int bw = is_chroma ? (c->avctx->width + 15) >> 4 : (c->avctx->width + 7) >> 3;
int bh = is_chroma ? (c->avctx->height + 15) >> 4 : (c->avctx->height + 7) >> 3;
binkb_init_bundles(c);
- ref_start = c->pic.data[plane_idx];
- ref_end = c->pic.data[plane_idx] + (bh * c->pic.linesize[plane_idx] + bw) * 8;
+ ref_start = frame->data[plane_idx];
+ ref_end = frame->data[plane_idx] + (bh * frame->linesize[plane_idx] + bw) * 8;
for (i = 0; i < 64; i++)
coordmap[i] = (i & 7) + (i >> 3) * stride;
for (by = 0; by < bh; by++) {
for (i = 0; i < BINKB_NB_SRC; i++) {
- if (binkb_read_bundle(c, gb, i) < 0)
- return -1;
+ if ((ret = binkb_read_bundle(c, gb, i)) < 0)
+ return ret;
}
- dst = c->pic.data[plane_idx] + 8*by*stride;
+ dst = frame->data[plane_idx] + 8*by*stride;
for (bx = 0; bx < bw; bx++, dst += 8) {
blk = binkb_get_value(c, BINKB_SRC_BLOCK_TYPES);
switch (blk) {
i += run;
if (i > 64) {
av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (mode) {
v = binkb_get_value(c, BINKB_SRC_COLORS);
dst[coordmap[*scan++]] = binkb_get_value(c, BINKB_SRC_COLORS);
break;
case 2:
- c->dsp.clear_block(block);
- block[0] = binkb_get_value(c, BINKB_SRC_INTRA_DC);
+ memset(dctblock, 0, sizeof(*dctblock) * 64);
+ dctblock[0] = binkb_get_value(c, BINKB_SRC_INTRA_DC);
qp = binkb_get_value(c, BINKB_SRC_INTRA_Q);
- read_dct_coeffs(gb, block, c->scantable.permutated, 1, 1, qp);
- c->dsp.idct_put(dst, stride, block);
+ read_dct_coeffs(gb, dctblock, bink_scan, binkb_intra_quant, qp);
+ c->binkdsp.idct_put(dst, stride, dctblock);
break;
case 3:
xoff = binkb_get_value(c, BINKB_SRC_X_OFF);
if (ref < ref_start || ref + 8*stride > ref_end) {
av_log(c->avctx, AV_LOG_WARNING, "Reference block is out of bounds\n");
} else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
- c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
+ c->hdsp.put_pixels_tab[1][0](dst, ref, stride, 8);
} else {
put_pixels8x8_overlapped(dst, ref, stride);
}
- c->dsp.clear_block(block);
+ c->bdsp.clear_block(block);
v = binkb_get_value(c, BINKB_SRC_INTER_COEFS);
read_residue(gb, block, v);
- c->dsp.add_pixels8(dst, block, stride);
+ c->binkdsp.add_pixels8(dst, block, stride);
break;
case 4:
xoff = binkb_get_value(c, BINKB_SRC_X_OFF);
if (ref < ref_start || ref + 8 * stride > ref_end) {
av_log(c->avctx, AV_LOG_WARNING, "Reference block is out of bounds\n");
} else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
- c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
+ c->hdsp.put_pixels_tab[1][0](dst, ref, stride, 8);
} else {
put_pixels8x8_overlapped(dst, ref, stride);
}
- c->dsp.clear_block(block);
- block[0] = binkb_get_value(c, BINKB_SRC_INTER_DC);
+ memset(dctblock, 0, sizeof(*dctblock) * 64);
+ dctblock[0] = binkb_get_value(c, BINKB_SRC_INTER_DC);
qp = binkb_get_value(c, BINKB_SRC_INTER_Q);
- read_dct_coeffs(gb, block, c->scantable.permutated, 1, 0, qp);
- c->dsp.idct_add(dst, stride, block);
+ read_dct_coeffs(gb, dctblock, bink_scan, binkb_inter_quant, qp);
+ c->binkdsp.idct_add(dst, stride, dctblock);
break;
case 5:
v = binkb_get_value(c, BINKB_SRC_COLORS);
- c->dsp.fill_block_tab[1](dst, v, stride, 8);
+ c->bdsp.fill_block_tab[1](dst, v, stride, 8);
break;
case 6:
for (i = 0; i < 2; i++)
if (ref < ref_start || ref + 8 * stride > ref_end) {
av_log(c->avctx, AV_LOG_WARNING, "Reference block is out of bounds\n");
} else if (ref + 8*stride < dst || ref >= dst + 8*stride) {
- c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
+ c->hdsp.put_pixels_tab[1][0](dst, ref, stride, 8);
} else {
put_pixels8x8_overlapped(dst, ref, stride);
}
break;
default:
av_log(c->avctx, AV_LOG_ERROR, "Unknown block type %d\n", blk);
- return -1;
+ return AVERROR_INVALIDDATA;
}
}
}
return 0;
}
-static int bink_decode_plane(BinkContext *c, GetBitContext *gb, int plane_idx,
- int is_chroma)
+static int bink_put_pixels(BinkContext *c,
+ uint8_t *dst, uint8_t *prev, int stride,
+ uint8_t *ref_start,
+ uint8_t *ref_end)
{
- int blk;
+ int xoff = get_value(c, BINK_SRC_X_OFF);
+ int yoff = get_value(c, BINK_SRC_Y_OFF);
+ uint8_t *ref = prev + xoff + yoff * stride;
+ if (ref < ref_start || ref > ref_end) {
+ av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
+ xoff, yoff);
+ return AVERROR_INVALIDDATA;
+ }
+ c->hdsp.put_pixels_tab[1][0](dst, ref, stride, 8);
+
+ return 0;
+}
+
+static int bink_decode_plane(BinkContext *c, AVFrame *frame, GetBitContext *gb,
+ int plane_idx, int is_chroma)
+{
+ int blk, ret;
int i, j, bx, by;
- uint8_t *dst, *prev, *ref, *ref_start, *ref_end;
+ uint8_t *dst, *prev, *ref_start, *ref_end;
int v, col[2];
const uint8_t *scan;
- int xoff, yoff;
- LOCAL_ALIGNED_16(DCTELEM, block, [64]);
+ LOCAL_ALIGNED_16(int16_t, block, [64]);
LOCAL_ALIGNED_16(uint8_t, ublock, [64]);
+ LOCAL_ALIGNED_16(int32_t, dctblock, [64]);
int coordmap[64];
- const int stride = c->pic.linesize[plane_idx];
+ const int stride = frame->linesize[plane_idx];
int bw = is_chroma ? (c->avctx->width + 15) >> 4 : (c->avctx->width + 7) >> 3;
int bh = is_chroma ? (c->avctx->height + 15) >> 4 : (c->avctx->height + 7) >> 3;
int width = c->avctx->width >> is_chroma;
for (i = 0; i < BINK_NB_SRC; i++)
read_bundle(gb, c, i);
- ref_start = c->last.data[plane_idx];
- ref_end = c->last.data[plane_idx]
- + (bw - 1 + c->last.linesize[plane_idx] * (bh - 1)) * 8;
+ ref_start = c->last->data[plane_idx] ? c->last->data[plane_idx]
+ : frame->data[plane_idx];
+ ref_end = ref_start
+ + (bw - 1 + c->last->linesize[plane_idx] * (bh - 1)) * 8;
for (i = 0; i < 64; i++)
coordmap[i] = (i & 7) + (i >> 3) * stride;
for (by = 0; by < bh; by++) {
- if (read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_BLOCK_TYPES]) < 0)
- return -1;
- if (read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_SUB_BLOCK_TYPES]) < 0)
- return -1;
- if (read_colors(gb, &c->bundle[BINK_SRC_COLORS], c) < 0)
- return -1;
- if (read_patterns(c->avctx, gb, &c->bundle[BINK_SRC_PATTERN]) < 0)
- return -1;
- if (read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_X_OFF]) < 0)
- return -1;
- if (read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_Y_OFF]) < 0)
- return -1;
- if (read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTRA_DC], DC_START_BITS, 0) < 0)
- return -1;
- if (read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTER_DC], DC_START_BITS, 1) < 0)
- return -1;
- if (read_runs(c->avctx, gb, &c->bundle[BINK_SRC_RUN]) < 0)
- return -1;
+ if ((ret = read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_BLOCK_TYPES])) < 0)
+ return ret;
+ if ((ret = read_block_types(c->avctx, gb, &c->bundle[BINK_SRC_SUB_BLOCK_TYPES])) < 0)
+ return ret;
+ if ((ret = read_colors(gb, &c->bundle[BINK_SRC_COLORS], c)) < 0)
+ return ret;
+ if ((ret = read_patterns(c->avctx, gb, &c->bundle[BINK_SRC_PATTERN])) < 0)
+ return ret;
+ if ((ret = read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_X_OFF])) < 0)
+ return ret;
+ if ((ret = read_motion_values(c->avctx, gb, &c->bundle[BINK_SRC_Y_OFF])) < 0)
+ return ret;
+ if ((ret = read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTRA_DC], DC_START_BITS, 0)) < 0)
+ return ret;
+ if ((ret = read_dcs(c->avctx, gb, &c->bundle[BINK_SRC_INTER_DC], DC_START_BITS, 1)) < 0)
+ return ret;
+ if ((ret = read_runs(c->avctx, gb, &c->bundle[BINK_SRC_RUN])) < 0)
+ return ret;
if (by == bh)
break;
- dst = c->pic.data[plane_idx] + 8*by*stride;
- prev = c->last.data[plane_idx] + 8*by*stride;
+ dst = frame->data[plane_idx] + 8*by*stride;
+ prev = (c->last->data[plane_idx] ? c->last->data[plane_idx]
+ : frame->data[plane_idx]) + 8*by*stride;
for (bx = 0; bx < bw; bx++, dst += 8, prev += 8) {
blk = get_value(c, BINK_SRC_BLOCK_TYPES);
// 16x16 block type on odd line means part of the already decoded block, so skip it
}
switch (blk) {
case SKIP_BLOCK:
- c->dsp.put_pixels_tab[1][0](dst, prev, stride, 8);
+ c->hdsp.put_pixels_tab[1][0](dst, prev, stride, 8);
break;
case SCALED_BLOCK:
blk = get_value(c, BINK_SRC_SUB_BLOCK_TYPES);
i += run;
if (i > 64) {
av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (get_bits1(gb)) {
v = get_value(c, BINK_SRC_COLORS);
ublock[*scan++] = get_value(c, BINK_SRC_COLORS);
break;
case INTRA_BLOCK:
- c->dsp.clear_block(block);
- block[0] = get_value(c, BINK_SRC_INTRA_DC);
- read_dct_coeffs(gb, block, c->scantable.permutated, 0, 1, -1);
- c->dsp.idct(block);
- c->dsp.put_pixels_nonclamped(block, ublock, 8);
+ memset(dctblock, 0, sizeof(*dctblock) * 64);
+ dctblock[0] = get_value(c, BINK_SRC_INTRA_DC);
+ read_dct_coeffs(gb, dctblock, bink_scan, bink_intra_quant, -1);
+ c->binkdsp.idct_put(ublock, 8, dctblock);
break;
case FILL_BLOCK:
v = get_value(c, BINK_SRC_COLORS);
- c->dsp.fill_block_tab[0](dst, v, stride, 16);
+ c->bdsp.fill_block_tab[0](dst, v, stride, 16);
break;
case PATTERN_BLOCK:
for (i = 0; i < 2; i++)
break;
default:
av_log(c->avctx, AV_LOG_ERROR, "Incorrect 16x16 block type %d\n", blk);
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (blk != FILL_BLOCK)
- c->dsp.scale_block(ublock, dst, stride);
+ c->binkdsp.scale_block(ublock, dst, stride);
bx++;
dst += 8;
prev += 8;
break;
case MOTION_BLOCK:
- xoff = get_value(c, BINK_SRC_X_OFF);
- yoff = get_value(c, BINK_SRC_Y_OFF);
- ref = prev + xoff + yoff * stride;
- if (ref < ref_start || ref > ref_end) {
- av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
- bx*8 + xoff, by*8 + yoff);
- return -1;
- }
- c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
+ ret = bink_put_pixels(c, dst, prev, stride,
+ ref_start, ref_end);
+ if (ret < 0)
+ return ret;
break;
case RUN_BLOCK:
scan = bink_patterns[get_bits(gb, 4)];
i += run;
if (i > 64) {
av_log(c->avctx, AV_LOG_ERROR, "Run went out of bounds\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (get_bits1(gb)) {
v = get_value(c, BINK_SRC_COLORS);
dst[coordmap[*scan++]] = get_value(c, BINK_SRC_COLORS);
break;
case RESIDUE_BLOCK:
- xoff = get_value(c, BINK_SRC_X_OFF);
- yoff = get_value(c, BINK_SRC_Y_OFF);
- ref = prev + xoff + yoff * stride;
- if (ref < ref_start || ref > ref_end) {
- av_log(c->avctx, AV_LOG_ERROR, "Copy out of bounds @%d, %d\n",
- bx*8 + xoff, by*8 + yoff);
- return -1;
- }
- c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
- c->dsp.clear_block(block);
+ ret = bink_put_pixels(c, dst, prev, stride,
+ ref_start, ref_end);
+ if (ret < 0)
+ return ret;
+ c->bdsp.clear_block(block);
v = get_bits(gb, 7);
read_residue(gb, block, v);
- c->dsp.add_pixels8(dst, block, stride);
+ c->binkdsp.add_pixels8(dst, block, stride);
break;
case INTRA_BLOCK:
- c->dsp.clear_block(block);
- block[0] = get_value(c, BINK_SRC_INTRA_DC);
- read_dct_coeffs(gb, block, c->scantable.permutated, 0, 1, -1);
- c->dsp.idct_put(dst, stride, block);
+ memset(dctblock, 0, sizeof(*dctblock) * 64);
+ dctblock[0] = get_value(c, BINK_SRC_INTRA_DC);
+ read_dct_coeffs(gb, dctblock, bink_scan, bink_intra_quant, -1);
+ c->binkdsp.idct_put(dst, stride, dctblock);
break;
case FILL_BLOCK:
v = get_value(c, BINK_SRC_COLORS);
- c->dsp.fill_block_tab[1](dst, v, stride, 8);
+ c->bdsp.fill_block_tab[1](dst, v, stride, 8);
break;
case INTER_BLOCK:
- xoff = get_value(c, BINK_SRC_X_OFF);
- yoff = get_value(c, BINK_SRC_Y_OFF);
- ref = prev + xoff + yoff * stride;
- c->dsp.put_pixels_tab[1][0](dst, ref, stride, 8);
- c->dsp.clear_block(block);
- block[0] = get_value(c, BINK_SRC_INTER_DC);
- read_dct_coeffs(gb, block, c->scantable.permutated, 0, 0, -1);
- c->dsp.idct_add(dst, stride, block);
+ ret = bink_put_pixels(c, dst, prev, stride,
+ ref_start, ref_end);
+ if (ret < 0)
+ return ret;
+ memset(dctblock, 0, sizeof(*dctblock) * 64);
+ dctblock[0] = get_value(c, BINK_SRC_INTER_DC);
+ read_dct_coeffs(gb, dctblock, bink_scan, bink_inter_quant, -1);
+ c->binkdsp.idct_add(dst, stride, dctblock);
break;
case PATTERN_BLOCK:
for (i = 0; i < 2; i++)
break;
default:
av_log(c->avctx, AV_LOG_ERROR, "Unknown block type %d\n", blk);
- return -1;
+ return AVERROR_INVALIDDATA;
}
}
}
return 0;
}
-static int decode_frame(AVCodecContext *avctx, void *data, int *data_size, AVPacket *pkt)
+static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *pkt)
{
BinkContext * const c = avctx->priv_data;
+ AVFrame *frame = data;
GetBitContext gb;
- int plane, plane_idx;
+ int plane, plane_idx, ret;
int bits_count = pkt->size << 3;
if (c->version > 'b') {
- if(c->pic.data[0])
- avctx->release_buffer(avctx, &c->pic);
-
- if(avctx->get_buffer(avctx, &c->pic) < 0){
- av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
- }
+ if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+ return ret;
+ }
} else {
- if(avctx->reget_buffer(avctx, &c->pic) < 0){
+ if ((ret = ff_reget_buffer(avctx, c->last)) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
- return -1;
+ return ret;
}
+ if ((ret = av_frame_ref(frame, c->last)) < 0)
+ return ret;
}
init_get_bits(&gb, pkt->data, bits_count);
if (c->has_alpha) {
if (c->version >= 'i')
skip_bits_long(&gb, 32);
- if (bink_decode_plane(c, &gb, 3, 0) < 0)
- return -1;
+ if ((ret = bink_decode_plane(c, frame, &gb, 3, 0)) < 0)
+ return ret;
}
if (c->version >= 'i')
skip_bits_long(&gb, 32);
plane_idx = (!plane || !c->swap_planes) ? plane : (plane ^ 3);
if (c->version > 'b') {
- if (bink_decode_plane(c, &gb, plane_idx, !!plane) < 0)
- return -1;
+ if ((ret = bink_decode_plane(c, frame, &gb, plane_idx, !!plane)) < 0)
+ return ret;
} else {
- if (binkb_decode_plane(c, &gb, plane_idx, !pkt->pts, !!plane) < 0)
- return -1;
+ if ((ret = binkb_decode_plane(c, frame, &gb, plane_idx,
+ !avctx->frame_number, !!plane)) < 0)
+ return ret;
}
if (get_bits_count(&gb) >= bits_count)
break;
}
emms_c();
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = c->pic;
+ if (c->version > 'b') {
+ av_frame_unref(c->last);
+ if ((ret = av_frame_ref(c->last, frame)) < 0)
+ return ret;
+ }
- if (c->version > 'b')
- FFSWAP(AVFrame, c->pic, c->last);
+ *got_frame = 1;
/* always report that the buffer was completely consumed */
return pkt->size;
}
/**
- * Caclulate quantization tables for version b
+ * Calculate quantization tables for version b
*/
-static av_cold void binkb_calc_quant()
+static av_cold void binkb_calc_quant(void)
{
- float s[64];
+ uint8_t inv_bink_scan[64];
+ double s[64];
int i, j;
for (j = 0; j < 8; j++) {
for (i = 0; i < 8; i++) {
if (j && j != 4)
if (i && i != 4)
- s[j*8 + i] = cos(j * M_PI/16.0f) * cos(i * M_PI/16.0f) * 2.0f;
+ s[j*8 + i] = cos(j * M_PI/16.0) * cos(i * M_PI/16.0) * 2.0;
else
- s[j*8 + i] = cos(j * M_PI/16.0f) * sqrt(2.0f);
+ s[j*8 + i] = cos(j * M_PI/16.0) * sqrt(2.0);
else
if (i && i != 4)
- s[j*8 + i] = cos(i * M_PI/16.0f) * sqrt(2.0f);
+ s[j*8 + i] = cos(i * M_PI/16.0) * sqrt(2.0);
else
- s[j*8 + i] = 1.0f;
+ s[j*8 + i] = 1.0;
}
}
+ for (i = 0; i < 64; i++)
+ inv_bink_scan[bink_scan[i]] = i;
+
for (j = 0; j < 16; j++) {
for (i = 0; i < 64; i++) {
- binkb_intra_quant[j][i] = (1L << 12) * binkb_intra_seed[i] * s[i] *
- binkb_num[j]/(float)binkb_den[j];
- binkb_inter_quant[j][i] = (1L << 12) * binkb_inter_seed[i] * s[i] *
- binkb_num[j]/(float)binkb_den[j];
+ int k = inv_bink_scan[i];
+ if (s[i] == 1.0) {
+ binkb_intra_quant[j][k] = (1L << 12) * binkb_intra_seed[i] *
+ binkb_num[j]/binkb_den[j];
+ binkb_inter_quant[j][k] = (1L << 12) * binkb_inter_seed[i] *
+ binkb_num[j]/binkb_den[j];
+ } else {
+ binkb_intra_quant[j][k] = (1L << 12) * binkb_intra_seed[i] * s[i] *
+ binkb_num[j]/(double)binkb_den[j];
+ binkb_inter_quant[j][k] = (1L << 12) * binkb_inter_seed[i] * s[i] *
+ binkb_num[j]/(double)binkb_den[j];
+ }
}
}
}
BinkContext * const c = avctx->priv_data;
static VLC_TYPE table[16 * 128][2];
static int binkb_initialised = 0;
- int i;
+ int i, ret;
int flags;
c->version = avctx->codec_tag >> 24;
if (avctx->extradata_size < 4) {
av_log(avctx, AV_LOG_ERROR, "Extradata missing or too short\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
flags = AV_RL32(avctx->extradata);
c->has_alpha = flags & BINK_FLAG_ALPHA;
}
c->avctx = avctx;
- c->pic.data[0] = NULL;
+ c->last = av_frame_alloc();
+ if (!c->last)
+ return AVERROR(ENOMEM);
- if (av_image_check_size(avctx->width, avctx->height, 0, avctx) < 0) {
- return 1;
- }
+ if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
+ return ret;
- avctx->pix_fmt = c->has_alpha ? PIX_FMT_YUVA420P : PIX_FMT_YUV420P;
+ avctx->pix_fmt = c->has_alpha ? AV_PIX_FMT_YUVA420P : AV_PIX_FMT_YUV420P;
- avctx->idct_algo = FF_IDCT_BINK;
- dsputil_init(&c->dsp, avctx);
- ff_init_scantable(c->dsp.idct_permutation, &c->scantable, bink_scan);
+ ff_blockdsp_init(&c->bdsp, avctx);
+ ff_hpeldsp_init(&c->hdsp, avctx->flags);
+ ff_binkdsp_init(&c->binkdsp);
init_bundles(c);
{
BinkContext * const c = avctx->priv_data;
- if (c->pic.data[0])
- avctx->release_buffer(avctx, &c->pic);
- if (c->last.data[0])
- avctx->release_buffer(avctx, &c->last);
+ av_frame_free(&c->last);
free_bundles(c);
return 0;
}
AVCodec ff_bink_decoder = {
- "binkvideo",
- AVMEDIA_TYPE_VIDEO,
- CODEC_ID_BINKVIDEO,
- sizeof(BinkContext),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- .long_name = NULL_IF_CONFIG_SMALL("Bink video"),
+ .name = "binkvideo",
+ .long_name = NULL_IF_CONFIG_SMALL("Bink video"),
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_BINKVIDEO,
+ .priv_data_size = sizeof(BinkContext),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = AV_CODEC_CAP_DR1,
};
projects / ffmpeg / blobdiff