From 69254f46286099588514454f60fad12f6e51b2cd Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Mon, 19 Mar 2012 02:54:19 +0000 Subject: [PATCH] LucasArts SMUSH video decoder Signed-off-by: Paul B Mahol --- doc/general.texi | 2 + libavcodec/Makefile | 1 + libavcodec/allcodecs.c | 1 + libavcodec/avcodec.h | 1 + libavcodec/sanm.c | 1271 ++++++++++++++++++++++++++++++++++++++++ libavcodec/sanm_data.h | 248 ++++++++ libavcodec/version.h | 2 +- 7 files changed, 1525 insertions(+), 1 deletion(-) create mode 100644 libavcodec/sanm.c create mode 100644 libavcodec/sanm_data.h diff --git a/doc/general.texi b/doc/general.texi index c1a932659e..77a82c804a 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -560,6 +560,8 @@ following image formats are supported: @item LCL (LossLess Codec Library) MSZH @tab @tab X @item LCL (LossLess Codec Library) ZLIB @tab E @tab E @item LOCO @tab @tab X +@item LucasArts Smush @tab @tab X + @ Used in LucasArts games @item lossless MJPEG @tab X @tab X @item Microsoft RLE @tab @tab X @item Microsoft Screen 1 @tab @tab X diff --git a/libavcodec/Makefile b/libavcodec/Makefile index d635dd4a80..e81d316ce0 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -394,6 +394,7 @@ OBJS-$(CONFIG_RV30_DECODER) += rv30.o rv34.o rv30dsp.o rv34dsp.o \ OBJS-$(CONFIG_RV40_DECODER) += rv40.o rv34.o rv34dsp.o rv40dsp.o \ mpegvideo.o error_resilience.o OBJS-$(CONFIG_S302M_DECODER) += s302m.o +OBJS-$(CONFIG_SANM_DECODER) += sanm.o OBJS-$(CONFIG_SGI_DECODER) += sgidec.o OBJS-$(CONFIG_SGI_ENCODER) += sgienc.o rle.o OBJS-$(CONFIG_SHORTEN_DECODER) += shorten.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index 72be599155..8c2bd2b6df 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -202,6 +202,7 @@ void avcodec_register_all(void) REGISTER_DECODER (RV30, rv30); REGISTER_DECODER (RV40, rv40); REGISTER_DECODER (S302M, s302m); + REGISTER_DECODER (SANM, sanm); REGISTER_ENCDEC (SGI, sgi); REGISTER_DECODER (SMACKER, smacker); REGISTER_DECODER (SMC, smc); diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h index 523d4db832..b93562e545 100644 --- a/libavcodec/avcodec.h +++ b/libavcodec/avcodec.h @@ -269,6 +269,7 @@ enum CodecID { CODEC_ID_V308 = MKBETAG('V','3','0','8'), CODEC_ID_V408 = MKBETAG('V','4','0','8'), CODEC_ID_YUV4 = MKBETAG('Y','U','V','4'), + CODEC_ID_SANM = MKBETAG('S','A','N','M'), /* various PCM "codecs" */ CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs diff --git a/libavcodec/sanm.c b/libavcodec/sanm.c new file mode 100644 index 0000000000..809d28d5af --- /dev/null +++ b/libavcodec/sanm.c @@ -0,0 +1,1271 @@ +/* + * LucasArts Smush video decoder + * Copyright (c) 2006 Cyril Zorin + * Copyright (c) 2011 Konstantin Shishkov + * + * This file is part of FFmpeg. + * + * FFmpeg 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, + * 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 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +// #define DEBUG 1 + +#include "avcodec.h" +#include "bytestream.h" +#include "libavutil/bswap.h" +#include "sanm_data.h" + +#define NGLYPHS 256 + +typedef struct { + AVCodecContext *avctx; + GetByteContext gb; + + int version, subversion; + uint32_t pal[256]; + int16_t delta_pal[768]; + + int pitch; + int width, height; + int aligned_width, aligned_height; + int prev_seq; + + AVFrame frame, *output; + uint16_t *frm0, *frm1, *frm2; + uint8_t *stored_frame; + uint32_t frm0_size, frm1_size, frm2_size; + uint32_t stored_frame_size; + + uint8_t *rle_buf; + unsigned int rle_buf_size; + + int rotate_code; + + long npixels, buf_size; + + uint16_t codebook[256]; + uint16_t small_codebook[4]; + + int8_t p4x4glyphs[NGLYPHS][16]; + int8_t p8x8glyphs[NGLYPHS][64]; +} SANMVideoContext; + +typedef struct { + int seq_num, codec, rotate_code, rle_output_size; + + uint16_t bg_color; + uint32_t width, height; +} SANMFrameHeader; + +enum GlyphEdge { + LEFT_EDGE, + TOP_EDGE, + RIGHT_EDGE, + BOTTOM_EDGE, + NO_EDGE +}; + +enum GlyphDir { + DIR_LEFT, + DIR_UP, + DIR_RIGHT, + DIR_DOWN, + NO_DIR +}; + +/** + * Return enum GlyphEdge of box where point (x, y) lies. + * + * @param x x point coordinate + * @param y y point coordinate + * @param edge_size box width/height. + */ +static enum GlyphEdge which_edge(int x, int y, int edge_size) +{ + const int edge_max = edge_size - 1; + + if (!y) { + return BOTTOM_EDGE; + } else if (y == edge_max) { + return TOP_EDGE; + } else if (!x) { + return LEFT_EDGE; + } else if (x == edge_max) { + return RIGHT_EDGE; + } else { + return NO_EDGE; + } +} + +static enum GlyphDir which_direction(enum GlyphEdge edge0, enum GlyphEdge edge1) +{ + if ((edge0 == LEFT_EDGE && edge1 == RIGHT_EDGE) || + (edge1 == LEFT_EDGE && edge0 == RIGHT_EDGE) || + (edge0 == BOTTOM_EDGE && edge1 != TOP_EDGE) || + (edge1 == BOTTOM_EDGE && edge0 != TOP_EDGE)) { + return DIR_UP; + } else if ((edge0 == TOP_EDGE && edge1 != BOTTOM_EDGE) || + (edge1 == TOP_EDGE && edge0 != BOTTOM_EDGE)) { + return DIR_DOWN; + } else if ((edge0 == LEFT_EDGE && edge1 != RIGHT_EDGE) || + (edge1 == LEFT_EDGE && edge0 != RIGHT_EDGE)) { + return DIR_LEFT; + } else if ((edge0 == TOP_EDGE && edge1 == BOTTOM_EDGE) || + (edge1 == TOP_EDGE && edge0 == BOTTOM_EDGE) || + (edge0 == RIGHT_EDGE && edge1 != LEFT_EDGE) || + (edge1 == RIGHT_EDGE && edge0 != LEFT_EDGE)) { + return DIR_RIGHT; + } + + return NO_DIR; +} + +/** + * Interpolate two points. + */ +static void interp_point(int8_t *points, int x0, int y0, int x1, int y1, + int pos, int npoints) +{ + if (npoints) { + points[0] = (x0 * pos + x1 * (npoints - pos) + (npoints >> 1)) / npoints; + points[1] = (y0 * pos + y1 * (npoints - pos) + (npoints >> 1)) / npoints; + } else { + points[0] = x0; + points[1] = y0; + } +} + +/** + * Construct glyphs by iterating through vectors coordinates. + * + * @param pglyphs pointer to table where glyphs are stored + * @param xvec pointer to x component of vectors coordinates + * @param yvec pointer to y component of vectors coordinates + * @param side_length glyph width/height. + */ +static void make_glyphs(int8_t *pglyphs, const int8_t *xvec, const int8_t *yvec, + const int side_length) +{ + const int glyph_size = side_length * side_length; + int8_t *pglyph = pglyphs; + + int i, j; + for (i = 0; i < GLYPH_COORD_VECT_SIZE; i++) { + int x0 = xvec[i]; + int y0 = yvec[i]; + enum GlyphEdge edge0 = which_edge(x0, y0, side_length); + + for (j = 0; j < GLYPH_COORD_VECT_SIZE; j++, pglyph += glyph_size) { + int x1 = xvec[j]; + int y1 = yvec[j]; + enum GlyphEdge edge1 = which_edge(x1, y1, side_length); + enum GlyphDir dir = which_direction(edge0, edge1); + int npoints = FFMAX(FFABS(x1 - x0), FFABS(y1 - y0)); + int ipoint; + + for (ipoint = 0; ipoint <= npoints; ipoint++) { + int8_t point[2]; + int irow, icol; + + interp_point(point, x0, y0, x1, y1, ipoint, npoints); + + switch (dir) { + case DIR_UP: + for (irow = point[1]; irow >= 0; irow--) + pglyph[point[0] + irow * side_length] = 1; + break; + + case DIR_DOWN: + for (irow = point[1]; irow < side_length; irow++) + pglyph[point[0] + irow * side_length] = 1; + break; + + case DIR_LEFT: + for (icol = point[0]; icol >= 0; icol--) + pglyph[icol + point[1] * side_length] = 1; + break; + + case DIR_RIGHT: + for (icol = point[0]; icol < side_length; icol++) + pglyph[icol + point[1] * side_length] = 1; + break; + } + } + } + } +} + +static void init_sizes(SANMVideoContext *ctx, int width, int height) +{ + ctx->width = width; + ctx->height = height; + ctx->npixels = width * height; + + ctx->aligned_width = FFALIGN(width, 8); + ctx->aligned_height = FFALIGN(height, 8); + + ctx->buf_size = ctx->aligned_width * ctx->aligned_height * sizeof(ctx->frm0[0]); + ctx->pitch = width; +} + +static void destroy_buffers(SANMVideoContext *ctx) +{ + av_freep(&ctx->frm0); + av_freep(&ctx->frm1); + av_freep(&ctx->frm2); + av_freep(&ctx->stored_frame); + av_freep(&ctx->rle_buf); +} + +static av_cold int init_buffers(SANMVideoContext *ctx) +{ + av_fast_padded_malloc(&ctx->frm0, &ctx->frm0_size, ctx->buf_size); + av_fast_padded_malloc(&ctx->frm1, &ctx->frm1_size, ctx->buf_size); + av_fast_padded_malloc(&ctx->frm2, &ctx->frm2_size, ctx->buf_size); + if (!ctx->version) + av_fast_padded_malloc(&ctx->stored_frame, &ctx->stored_frame_size, ctx->buf_size); + + if (!ctx->frm0 || !ctx->frm1 || !ctx->frm2 || (!ctx->stored_frame && !ctx->version)) { + destroy_buffers(ctx); + return AVERROR(ENOMEM); + } + + return 0; +} + +static void rotate_bufs(SANMVideoContext *ctx, int rotate_code) +{ + av_dlog(ctx->avctx, "rotate %d\n", rotate_code); + if (rotate_code == 2) + FFSWAP(uint16_t*, ctx->frm1, ctx->frm2); + FFSWAP(uint16_t*, ctx->frm2, ctx->frm0); +} + +static av_cold int decode_init(AVCodecContext *avctx) +{ + SANMVideoContext *ctx = avctx->priv_data; + + ctx->avctx = avctx; + ctx->version = !avctx->extradata_size; + + avctx->pix_fmt = ctx->version ? PIX_FMT_RGB565 : PIX_FMT_PAL8; + + init_sizes(ctx, avctx->width, avctx->height); + if (init_buffers(ctx)) { + av_log(avctx, AV_LOG_ERROR, "error allocating buffers\n"); + return AVERROR(ENOMEM); + } + ctx->output = &ctx->frame; + ctx->output->data[0] = 0; + + make_glyphs(ctx->p4x4glyphs[0], glyph4_x, glyph4_y, 4); + make_glyphs(ctx->p8x8glyphs[0], glyph8_x, glyph8_y, 8); + + if (!ctx->version) { + int i; + + if (avctx->extradata_size < 1026) { + av_log(avctx, AV_LOG_ERROR, "not enough extradata\n"); + return AVERROR_INVALIDDATA; + } + + ctx->subversion = AV_RL16(avctx->extradata); + for (i = 0; i < 256; i++) + ctx->pal[i] = AV_RL32(avctx->extradata + 2 + i * 4); + } + + return 0; +} + +static av_cold int decode_end(AVCodecContext *avctx) +{ + SANMVideoContext *ctx = avctx->priv_data; + + destroy_buffers(ctx); + + if (ctx->frame.data[0]) { + avctx->release_buffer(avctx, &ctx->frame); + ctx->frame.data[0] = 0; + } + + return 0; +} + +static int rle_decode(SANMVideoContext *ctx, uint8_t *dst, const int out_size) +{ + int opcode, color, run_len, left = out_size; + + while (left > 0) { + opcode = bytestream2_get_byte(&ctx->gb); + run_len = (opcode >> 1) + 1; + if (run_len > left || bytestream2_get_bytes_left(&ctx->gb) <= 0) + return AVERROR_INVALIDDATA; + + if (opcode & 1) { + color = bytestream2_get_byte(&ctx->gb); + memset(dst, color, run_len); + } else { + if (bytestream2_get_bytes_left(&ctx->gb) < run_len) + return AVERROR_INVALIDDATA; + bytestream2_get_bufferu(&ctx->gb, dst, run_len); + } + + dst += run_len; + left -= run_len; + } + + return 0; +} + +static int old_codec1(SANMVideoContext *ctx, int top, + int left, int width, int height) +{ + uint8_t *dst = ((uint8_t*)ctx->frm0) + left + top * ctx->pitch; + int i, j, len, flag, code, val, pos, end; + + for (i = 0; i < height; i++) { + pos = 0; + + if (bytestream2_get_bytes_left(&ctx->gb) < 2) + return AVERROR_INVALIDDATA; + + len = bytestream2_get_le16u(&ctx->gb); + end = bytestream2_tell(&ctx->gb) + len; + + while (bytestream2_tell(&ctx->gb) < end) { + if (bytestream2_get_bytes_left(&ctx->gb) < 2) + return AVERROR_INVALIDDATA; + + code = bytestream2_get_byteu(&ctx->gb); + flag = code & 1; + code = (code >> 1) + 1; + if (pos + code > width) + return AVERROR_INVALIDDATA; + if (flag) { + val = bytestream2_get_byteu(&ctx->gb); + if (val) + memset(dst + pos, val, code); + pos += code; + } else { + if (bytestream2_get_bytes_left(&ctx->gb) < code) + return AVERROR_INVALIDDATA; + for (j = 0; j < code; j++) { + val = bytestream2_get_byteu(&ctx->gb); + if (val) + dst[pos] = val; + pos++; + } + } + } + dst += ctx->pitch; + } + ctx->rotate_code = 0; + + return 0; +} + +static inline void codec37_mv(uint8_t *dst, const uint8_t *src, + int height, int stride, int x, int y) +{ + int pos, i, j; + + pos = x + y * stride; + for (j = 0; j < 4; j++) { + for (i = 0; i < 4; i++) { + if ((pos + i) < 0 || (pos + i) >= height * stride) + dst[i] = 0; + else + dst[i] = src[i]; + } + dst += stride; + src += stride; + pos += stride; + } +} + +static int old_codec37(SANMVideoContext *ctx, int top, + int left, int width, int height) +{ + int stride = ctx->pitch; + int i, j, k, t; + int skip_run = 0; + int compr, mvoff, seq, flags; + uint32_t decoded_size; + uint8_t *dst, *prev; + + compr = bytestream2_get_byte(&ctx->gb); + mvoff = bytestream2_get_byte(&ctx->gb); + seq = bytestream2_get_le16(&ctx->gb); + decoded_size = bytestream2_get_le32(&ctx->gb); + bytestream2_skip(&ctx->gb, 4); + flags = bytestream2_get_byte(&ctx->gb); + bytestream2_skip(&ctx->gb, 3); + + ctx->rotate_code = 0; + + if (((seq & 1) || !(flags & 1)) && (compr && compr != 2)) + rotate_bufs(ctx, 1); + + dst = ((uint8_t*)ctx->frm0) + left + top * stride; + prev = ((uint8_t*)ctx->frm2) + left + top * stride; + + if (mvoff > 2) { + av_log(ctx->avctx, AV_LOG_ERROR, "invalid motion base value %d\n", mvoff); + return AVERROR_INVALIDDATA; + } + av_dlog(ctx->avctx, "compression %d\n", compr); + switch (compr) { + case 0: + for (i = 0; i < height; i++) { + bytestream2_get_buffer(&ctx->gb, dst, width); + dst += stride; + } + memset(ctx->frm1, 0, ctx->height * stride); + memset(ctx->frm2, 0, ctx->height * stride); + break; + case 2: + if (rle_decode(ctx, dst, decoded_size)) + return AVERROR_INVALIDDATA; + memset(ctx->frm1, 0, ctx->frm1_size); + memset(ctx->frm2, 0, ctx->frm2_size); + break; + case 3: + case 4: + if (flags & 4) { + for (j = 0; j < height; j += 4) { + for (i = 0; i < width; i += 4) { + int code; + if (skip_run) { + skip_run--; + for (k = 0; k < 4; k++) + memcpy(dst + i + k * stride, prev + i + k * stride, 4); + continue; + } + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + code = bytestream2_get_byteu(&ctx->gb); + switch (code) { + case 0xFF: + if (bytestream2_get_bytes_left(&ctx->gb) < 16) + return AVERROR_INVALIDDATA; + for (k = 0; k < 4; k++) + bytestream2_get_bufferu(&ctx->gb, dst + i + k * stride, 4); + break; + case 0xFE: + if (bytestream2_get_bytes_left(&ctx->gb) < 4) + return AVERROR_INVALIDDATA; + for (k = 0; k < 4; k++) + memset(dst + i + k * stride, bytestream2_get_byteu(&ctx->gb), 4); + break; + case 0xFD: + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + t = bytestream2_get_byteu(&ctx->gb); + for (k = 0; k < 4; k++) + memset(dst + i + k * stride, t, 4); + break; + default: + if (compr == 4 && !code) { + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + skip_run = bytestream2_get_byteu(&ctx->gb); + for (k = 0; k < 4; k++) + memcpy(dst + i + k * stride, prev + i + k * stride, 4); + } else { + int mx, my; + + mx = c37_mv[(mvoff * 255 + code) * 2 ]; + my = c37_mv[(mvoff * 255 + code) * 2 + 1]; + codec37_mv(dst + i, prev + i + mx + my * stride, + ctx->height, stride, i + mx, j + my); + } + } + } + dst += stride * 4; + prev += stride * 4; + } + } else { + for (j = 0; j < height; j += 4) { + for (i = 0; i < width; i += 4) { + int code; + if (skip_run) { + skip_run--; + for (k = 0; k < 4; k++) + memcpy(dst + i + k * stride, prev + i + k * stride, 4); + continue; + } + code = bytestream2_get_byte(&ctx->gb); + if (code == 0xFF) { + if (bytestream2_get_bytes_left(&ctx->gb) < 16) + return AVERROR_INVALIDDATA; + for (k = 0; k < 4; k++) + bytestream2_get_bufferu(&ctx->gb, dst + i + k * stride, 4); + } else if (compr == 4 && !code) { + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + skip_run = bytestream2_get_byteu(&ctx->gb) + 1; + i -= 4; + } else { + int mx, my; + + mx = c37_mv[(mvoff * 255 + code) * 2]; + my = c37_mv[(mvoff * 255 + code) * 2 + 1]; + codec37_mv(dst + i, prev + i + mx + my * stride, + ctx->height, stride, i + mx, j + my); + } + } + dst += stride * 4; + prev += stride * 4; + } + } + break; + default: + av_log(ctx->avctx, AV_LOG_ERROR, + "subcodec 37 compression %d not implemented\n", compr); + return AVERROR_PATCHWELCOME; + } + + return 0; +} + +static int process_block(SANMVideoContext *ctx, uint8_t *dst, uint8_t *prev1, + uint8_t *prev2, int stride, int tbl, int size) +{ + int code, k, t; + uint8_t colors[2]; + int8_t *pglyph; + + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + + code = bytestream2_get_byteu(&ctx->gb); + if (code >= 0xF8) { + switch (code) { + case 0xFF: + if (size == 2) { + if (bytestream2_get_bytes_left(&ctx->gb) < 4) + return AVERROR_INVALIDDATA; + dst[0] = bytestream2_get_byteu(&ctx->gb); + dst[1] = bytestream2_get_byteu(&ctx->gb); + dst[0+stride] = bytestream2_get_byteu(&ctx->gb); + dst[1+stride] = bytestream2_get_byteu(&ctx->gb); + } else { + size >>= 1; + if (process_block(ctx, dst, prev1, prev2, stride, tbl, size)) + return AVERROR_INVALIDDATA; + if (process_block(ctx, dst + size, prev1 + size, prev2 + size, + stride, tbl, size)) + return AVERROR_INVALIDDATA; + dst += size * stride; + prev1 += size * stride; + prev2 += size * stride; + if (process_block(ctx, dst, prev1, prev2, stride, tbl, size)) + return AVERROR_INVALIDDATA; + if (process_block(ctx, dst + size, prev1 + size, prev2 + size, + stride, tbl, size)) + return AVERROR_INVALIDDATA; + } + break; + case 0xFE: + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + + t = bytestream2_get_byteu(&ctx->gb); + for (k = 0; k < size; k++) + memset(dst + k * stride, t, size); + break; + case 0xFD: + if (bytestream2_get_bytes_left(&ctx->gb) < 3) + return AVERROR_INVALIDDATA; + + code = bytestream2_get_byteu(&ctx->gb); + pglyph = (size == 8) ? ctx->p8x8glyphs[code] : ctx->p4x4glyphs[code]; + bytestream2_get_bufferu(&ctx->gb, colors, 2); + + for (k = 0; k < size; k++) + for (t = 0; t < size; t++) + dst[t + k * stride] = colors[!*pglyph++]; + break; + case 0xFC: + for (k = 0; k < size; k++) + memcpy(dst + k * stride, prev1 + k * stride, size); + break; + default: + k = bytestream2_tell(&ctx->gb); + bytestream2_seek(&ctx->gb, tbl + (code & 7), SEEK_SET); + t = bytestream2_get_byte(&ctx->gb); + bytestream2_seek(&ctx->gb, k, SEEK_SET); + for (k = 0; k < size; k++) + memset(dst + k * stride, t, size); + } + } else { + int mx = motion_vectors[code][0]; + int my = motion_vectors[code][1]; + for (k = 0; k < size; k++) + memcpy(dst + k * stride, prev2 + mx + (my + k) * stride, size); + } + + return 0; +} + +static int old_codec47(SANMVideoContext *ctx, int top, + int left, int width, int height) +{ + int i, j, seq, compr, new_rot, tbl_pos, skip; + int stride = ctx->pitch; + uint8_t *dst = ((uint8_t*)ctx->frm0) + left + top * stride; + uint8_t *prev1 = (uint8_t*)ctx->frm1; + uint8_t *prev2 = (uint8_t*)ctx->frm2; + uint32_t decoded_size; + + tbl_pos = bytestream2_tell(&ctx->gb); + seq = bytestream2_get_le16(&ctx->gb); + compr = bytestream2_get_byte(&ctx->gb); + new_rot = bytestream2_get_byte(&ctx->gb); + skip = bytestream2_get_byte(&ctx->gb); + bytestream2_skip(&ctx->gb, 9); + decoded_size = bytestream2_get_le32(&ctx->gb); + bytestream2_skip(&ctx->gb, 8); + + if (skip & 1) + bytestream2_skip(&ctx->gb, 0x8080); + if (!seq) { + ctx->prev_seq = -1; + memset(prev1, 0, ctx->height * stride); + memset(prev2, 0, ctx->height * stride); + } + av_dlog(ctx->avctx, "compression %d\n", compr); + switch (compr) { + case 0: + if (bytestream2_get_bytes_left(&ctx->gb) < width * height) + return AVERROR_INVALIDDATA; + for (j = 0; j < height; j++) { + for (i = 0; i < width; i++) + bytestream2_get_bufferu(&ctx->gb, dst, width); + dst += stride; + } + break; + case 1: + if (bytestream2_get_bytes_left(&ctx->gb) < ((width + 1) >> 1) * ((height + 1) >> 1)) + return AVERROR_INVALIDDATA; + for (j = 0; j < height; j += 2) { + for (i = 0; i < width; i += 2) { + dst[i] = dst[i + 1] = + dst[stride + i] = dst[stride + i + 1] = bytestream2_get_byteu(&ctx->gb); + } + dst += stride * 2; + } + break; + case 2: + if (seq == ctx->prev_seq + 1) { + for (j = 0; j < height; j += 8) { + for (i = 0; i < width; i += 8) { + if (process_block(ctx, dst + i, prev1 + i, prev2 + i, stride, + tbl_pos + 8, 8)) + return AVERROR_INVALIDDATA; + } + dst += stride * 8; + prev1 += stride * 8; + prev2 += stride * 8; + } + } + break; + case 3: + memcpy(ctx->frm0, ctx->frm2, ctx->pitch * ctx->height); + break; + case 4: + memcpy(ctx->frm0, ctx->frm1, ctx->pitch * ctx->height); + break; + case 5: + if (rle_decode(ctx, dst, decoded_size)) + return AVERROR_INVALIDDATA; + break; + default: + av_log(ctx->avctx, AV_LOG_ERROR, + "subcodec 47 compression %d not implemented\n", compr); + return AVERROR_PATCHWELCOME; + } + if (seq == ctx->prev_seq + 1) + ctx->rotate_code = new_rot; + else + ctx->rotate_code = 0; + ctx->prev_seq = seq; + + return 0; +} + +static int process_frame_obj(SANMVideoContext *ctx) +{ + uint16_t codec, top, left, w, h; + + codec = bytestream2_get_le16u(&ctx->gb); + left = bytestream2_get_le16u(&ctx->gb); + top = bytestream2_get_le16u(&ctx->gb); + w = bytestream2_get_le16u(&ctx->gb); + h = bytestream2_get_le16u(&ctx->gb); + + if (ctx->width < left + w || ctx->height < top + h) { + ctx->avctx->width = FFMAX(left + w, ctx->width); + ctx->avctx->height = FFMAX(top + h, ctx->height); + init_sizes(ctx, left + w, top + h); + if (init_buffers(ctx)) { + av_log(ctx->avctx, AV_LOG_ERROR, "error resizing buffers\n"); + return AVERROR(ENOMEM); + } + } + bytestream2_skip(&ctx->gb, 4); + + av_dlog(ctx->avctx, "subcodec %d\n", codec); + switch (codec) { + case 1: + case 3: + return old_codec1(ctx, top, left, w, h); + break; + case 37: + return old_codec37(ctx, top, left, w, h); + break; + case 47: + return old_codec47(ctx, top, left, w, h); + break; + default: + av_log_ask_for_sample(ctx->avctx, "unknown subcodec %d\n", codec); + return AVERROR_PATCHWELCOME; + } +} + +static int decode_0(SANMVideoContext *ctx) +{ + uint16_t *frm = ctx->frm0; + int x, y; + + if (bytestream2_get_bytes_left(&ctx->gb) < ctx->width * ctx->height * 2) { + av_log(ctx->avctx, AV_LOG_ERROR, "insufficient data for raw frame\n"); + return AVERROR_INVALIDDATA; + } + for (y = 0; y < ctx->height; y++) { + for (x = 0; x < ctx->width; x++) + frm[x] = bytestream2_get_le16u(&ctx->gb); + frm += ctx->pitch; + } + return 0; +} + +static int decode_nop(SANMVideoContext *ctx) +{ + av_log_ask_for_sample(ctx->avctx, "unknown/unsupported compression type\n"); + return AVERROR_PATCHWELCOME; +} + +static void copy_block(uint16_t *pdest, uint16_t *psrc, int block_size, int pitch) +{ + int y; + + for (y = 0; y != block_size; y++, pdest += pitch, psrc += pitch) + memcpy(pdest, psrc, block_size * sizeof(pdest[0])); +} + +static void fill_block(uint16_t *pdest, uint16_t color, int block_size, int pitch) +{ + int x, y; + + pitch -= block_size; + for (y = 0; y != block_size; y++, pdest += pitch) + for (x = 0; x != block_size; x++) + *pdest++ = color; +} + +static int draw_glyph(SANMVideoContext *ctx, uint16_t *dst, int index, uint16_t fg_color, + uint16_t bg_color, int block_size, int pitch) +{ + int8_t *pglyph; + uint16_t colors[2] = { fg_color, bg_color }; + int x, y; + + if (index > NGLYPHS) { + av_log(ctx->avctx, AV_LOG_ERROR, "ignoring nonexistent glyph #%u\n", index); + return AVERROR_INVALIDDATA; + } + + pglyph = block_size == 8 ? ctx->p8x8glyphs[index] : ctx->p4x4glyphs[index]; + pitch -= block_size; + + for (y = 0; y < block_size; y++, dst += pitch) + for (x = 0; x < block_size; x++) + *dst++ = colors[*pglyph++]; + return 0; +} + +static int opcode_0xf7(SANMVideoContext *ctx, int cx, int cy, int block_size, int pitch) +{ + uint16_t *dst = ctx->frm0 + cx + cy * ctx->pitch; + + if (block_size == 2) { + uint32_t indices; + + if (bytestream2_get_bytes_left(&ctx->gb) < 4) + return AVERROR_INVALIDDATA; + + indices = bytestream2_get_le32u(&ctx->gb); + dst[0] = ctx->codebook[indices & 0xFF]; indices >>= 8; + dst[1] = ctx->codebook[indices & 0xFF]; indices >>= 8; + dst[pitch] = ctx->codebook[indices & 0xFF]; indices >>= 8; + dst[pitch + 1] = ctx->codebook[indices & 0xFF]; + } else { + uint16_t fgcolor, bgcolor; + int glyph; + + if (bytestream2_get_bytes_left(&ctx->gb) < 3) + return AVERROR_INVALIDDATA; + + glyph = bytestream2_get_byteu(&ctx->gb); + bgcolor = ctx->codebook[bytestream2_get_byteu(&ctx->gb)]; + fgcolor = ctx->codebook[bytestream2_get_byteu(&ctx->gb)]; + + draw_glyph(ctx, dst, glyph, fgcolor, bgcolor, block_size, pitch); + } + return 0; +} + +static int opcode_0xf8(SANMVideoContext *ctx, int cx, int cy, int block_size, int pitch) +{ + uint16_t *dst = ctx->frm0 + cx + cy * ctx->pitch; + + if (block_size == 2) { + if (bytestream2_get_bytes_left(&ctx->gb) < 8) + return AVERROR_INVALIDDATA; + + dst[0] = bytestream2_get_le16u(&ctx->gb); + dst[1] = bytestream2_get_le16u(&ctx->gb); + dst[pitch] = bytestream2_get_le16u(&ctx->gb); + dst[pitch + 1] = bytestream2_get_le16u(&ctx->gb); + } else { + uint16_t fgcolor, bgcolor; + int glyph; + + if (bytestream2_get_bytes_left(&ctx->gb) < 5) + return AVERROR_INVALIDDATA; + + glyph = bytestream2_get_byteu(&ctx->gb); + bgcolor = bytestream2_get_le16u(&ctx->gb); + fgcolor = bytestream2_get_le16u(&ctx->gb); + + draw_glyph(ctx, dst, glyph, fgcolor, bgcolor, block_size, pitch); + } + return 0; +} + +static int good_mvec(SANMVideoContext *ctx, int cx, int cy, int mx, int my, + int block_size) +{ + int start_pos = cx + mx + (cy + my) * ctx->pitch; + int end_pos = start_pos + (block_size - 1) * (ctx->pitch + 1); + + int good = start_pos >= 0 && end_pos < (ctx->buf_size >> 1); + + if (!good) { + av_log(ctx->avctx, AV_LOG_ERROR, "ignoring invalid motion vector (%i, %i)->(%u, %u), block size = %u\n", + cx + mx, cy + my, cx, cy, block_size); + } + + return good; +} + +static int codec2subblock(SANMVideoContext *ctx, int cx, int cy, int blk_size) +{ + int16_t mx, my, index; + int opcode; + + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + + opcode = bytestream2_get_byteu(&ctx->gb); + + av_dlog(ctx->avctx, "opcode 0x%0X cx %d cy %d blk %d\n", opcode, cx, cy, blk_size); + switch (opcode) { + default: + mx = motion_vectors[opcode][0]; + my = motion_vectors[opcode][1]; + + if (good_mvec(ctx, cx, cy, mx, my, blk_size)) { + copy_block(ctx->frm0 + cx + ctx->pitch * cy, + ctx->frm2 + cx + mx + ctx->pitch * (cy + my), + blk_size, ctx->pitch); + } + break; + case 0xF5: + if (bytestream2_get_bytes_left(&ctx->gb) < 2) + return AVERROR_INVALIDDATA; + index = bytestream2_get_le16u(&ctx->gb); + + mx = index % ctx->width; + my = index / ctx->width; + + if (good_mvec(ctx, cx, cy, mx, my, blk_size)) { + copy_block(ctx->frm0 + cx + ctx->pitch * cy, + ctx->frm2 + cx + mx + ctx->pitch * (cy + my), + blk_size, ctx->pitch); + } + break; + case 0xF6: + copy_block(ctx->frm0 + cx + ctx->pitch * cy, + ctx->frm1 + cx + ctx->pitch * cy, + blk_size, ctx->pitch); + break; + case 0xF7: + opcode_0xf7(ctx, cx, cy, blk_size, ctx->pitch); + break; + + case 0xF8: + opcode_0xf8(ctx, cx, cy, blk_size, ctx->pitch); + break; + case 0xF9: + case 0xFA: + case 0xFB: + case 0xFC: + fill_block(ctx->frm0 + cx + cy * ctx->pitch, + ctx->small_codebook[opcode - 0xf9], blk_size, ctx->pitch); + break; + case 0xFD: + if (bytestream2_get_bytes_left(&ctx->gb) < 1) + return AVERROR_INVALIDDATA; + fill_block(ctx->frm0 + cx + cy * ctx->pitch, + ctx->codebook[bytestream2_get_byteu(&ctx->gb)], blk_size, ctx->pitch); + break; + case 0xFE: + if (bytestream2_get_bytes_left(&ctx->gb) < 2) + return AVERROR_INVALIDDATA; + fill_block(ctx->frm0 + cx + cy * ctx->pitch, + bytestream2_get_le16u(&ctx->gb), blk_size, ctx->pitch); + break; + case 0xFF: + if (blk_size == 2) { + opcode_0xf8(ctx, cx, cy, blk_size, ctx->pitch); + } else { + blk_size >>= 1; + if (codec2subblock(ctx, cx , cy , blk_size)) + return AVERROR_INVALIDDATA; + if (codec2subblock(ctx, cx + blk_size, cy , blk_size)) + return AVERROR_INVALIDDATA; + if (codec2subblock(ctx, cx , cy + blk_size, blk_size)) + return AVERROR_INVALIDDATA; + if (codec2subblock(ctx, cx + blk_size, cy + blk_size, blk_size)) + return AVERROR_INVALIDDATA; + } + break; + } + return 0; +} + +static int decode_2(SANMVideoContext *ctx) +{ + int cx, cy, ret; + + for (cy = 0; cy != ctx->aligned_height; cy += 8) { + for (cx = 0; cx != ctx->aligned_width; cx += 8) { + if (ret = codec2subblock(ctx, cx, cy, 8)) + return ret; + } + } + + return 0; +} + +static int decode_3(SANMVideoContext *ctx) +{ + memcpy(ctx->frm0, ctx->frm2, ctx->frm2_size); + return 0; +} + +static int decode_4(SANMVideoContext *ctx) +{ + memcpy(ctx->frm0, ctx->frm1, ctx->frm1_size); + return 0; +} + +static int decode_5(SANMVideoContext *ctx) +{ + uint16_t *frm; + int npixels; + uint8_t *dst = (uint8_t*)ctx->frm0; + + if (rle_decode(ctx, dst, ctx->buf_size)) + return AVERROR_INVALIDDATA; + + npixels = ctx->npixels; + frm = ctx->frm0; +#if HAVE_BIGENDIAN + while (npixels--) + *frm++ = av_bswap16(*frm); +#endif + + return 0; +} + +static int decode_6(SANMVideoContext *ctx) +{ + int npixels = ctx->npixels; + uint16_t *frm = ctx->frm0; + + if (bytestream2_get_bytes_left(&ctx->gb) < npixels) { + av_log(ctx->avctx, AV_LOG_ERROR, "insufficient data for frame\n"); + return AVERROR_INVALIDDATA; + } + while (npixels--) + *frm++ = ctx->codebook[bytestream2_get_byteu(&ctx->gb)]; + + return 0; +} + +static int decode_8(SANMVideoContext *ctx) +{ + uint16_t *pdest = ctx->frm0; + uint8_t *rsrc; + long npixels = ctx->npixels; + + av_fast_malloc(&ctx->rle_buf, &ctx->rle_buf_size, npixels); + if (!ctx->rle_buf) { + av_log(ctx->avctx, AV_LOG_ERROR, "RLE buffer allocation failed\n"); + return AVERROR(ENOMEM); + } + rsrc = ctx->rle_buf; + + if (rle_decode(ctx, rsrc, npixels)) + return AVERROR_INVALIDDATA; + + while (npixels--) + *pdest++ = ctx->codebook[*rsrc++]; + + return 0; +} + +typedef int (*frm_decoder)(SANMVideoContext *ctx); + +static const frm_decoder v1_decoders[] = { + decode_0, decode_nop, decode_2, decode_3, decode_4, decode_5, + decode_6, decode_nop, decode_8 +}; + +static int read_frame_header(SANMVideoContext *ctx, SANMFrameHeader *hdr) +{ + int i, ret; + + if ((ret = bytestream2_get_bytes_left(&ctx->gb)) < 560) { + av_log(ctx->avctx, AV_LOG_ERROR, "too short input frame (%d bytes)\n", + ret); + return AVERROR_INVALIDDATA; + } + bytestream2_skip(&ctx->gb, 8); // skip pad + + hdr->width = bytestream2_get_le32u(&ctx->gb); + hdr->height = bytestream2_get_le32u(&ctx->gb); + + if (hdr->width != ctx->width || hdr->height != ctx->height) { + av_log(ctx->avctx, AV_LOG_ERROR, "variable size frames are not implemented\n"); + return AVERROR_PATCHWELCOME; + } + + hdr->seq_num = bytestream2_get_le16u(&ctx->gb); + hdr->codec = bytestream2_get_byteu(&ctx->gb); + hdr->rotate_code = bytestream2_get_byteu(&ctx->gb); + + bytestream2_skip(&ctx->gb, 4); // skip pad + + for (i = 0; i < 4; i++) + ctx->small_codebook[i] = bytestream2_get_le16u(&ctx->gb); + hdr->bg_color = bytestream2_get_le16u(&ctx->gb); + + bytestream2_skip(&ctx->gb, 2); // skip pad + + hdr->rle_output_size = bytestream2_get_le32u(&ctx->gb); + for (i = 0; i < 256; i++) + ctx->codebook[i] = bytestream2_get_le16u(&ctx->gb); + + bytestream2_skip(&ctx->gb, 8); // skip pad + + av_dlog(ctx->avctx, "subcodec %d\n", hdr->codec); + return 0; +} + +static void fill_frame(uint16_t *pbuf, int buf_size, uint16_t color) +{ + while (buf_size--) + *pbuf++ = color; +} + +static int copy_output(SANMVideoContext *ctx, SANMFrameHeader *hdr) +{ + uint8_t *dst; + const uint8_t *src = (uint8_t*) ctx->frm0; + int ret, dstpitch, height = ctx->height; + int srcpitch = ctx->pitch * (hdr ? sizeof(ctx->frm0[0]) : 1); + + if ((ret = ctx->avctx->get_buffer(ctx->avctx, ctx->output)) < 0) { + av_log(ctx->avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; + } + + dst = ctx->output->data[0]; + dstpitch = ctx->output->linesize[0]; + + while (height--) { + memcpy(dst, src, srcpitch); + src += srcpitch; + dst += dstpitch; + } + + return 0; +} + +static int decode_frame(AVCodecContext *avctx, void *data, + int *got_frame_ptr, AVPacket *pkt) +{ + SANMVideoContext *ctx = avctx->priv_data; + int i, ret; + + bytestream2_init(&ctx->gb, pkt->data, pkt->size); + if (ctx->output->data[0]) + avctx->release_buffer(avctx, ctx->output); + + if (!ctx->version) { + int to_store = 0; + + while (bytestream2_get_bytes_left(&ctx->gb) >= 8) { + uint32_t sig, size; + int pos; + + sig = bytestream2_get_be32u(&ctx->gb); + size = bytestream2_get_be32u(&ctx->gb); + pos = bytestream2_tell(&ctx->gb); + + if (bytestream2_get_bytes_left(&ctx->gb) < size) { + av_log(avctx, AV_LOG_ERROR, "incorrect chunk size %d\n", size); + break; + } + switch (sig) { + case MKBETAG('N', 'P', 'A', 'L'): + if (size != 256 * 3) { + av_log(avctx, AV_LOG_ERROR, "incorrect palette block size %d\n", + size); + return AVERROR_INVALIDDATA; + } + for (i = 0; i < 256; i++) + ctx->pal[i] = bytestream2_get_be24u(&ctx->gb); + break; + case MKBETAG('F', 'O', 'B', 'J'): + if (size < 16) + return AVERROR_INVALIDDATA; + if (ret = process_frame_obj(ctx)) + return ret; + break; + case MKBETAG('X', 'P', 'A', 'L'): + if (size == 6 || size == 4) { + uint8_t tmp[3]; + int j; + + for (i = 0; i < 256; i++) { + for (j = 0; j < 3; j++) { + int t = (ctx->pal[i] >> (16 - j * 8)) & 0xFF; + tmp[j] = av_clip_uint8((t * 129 + ctx->delta_pal[i * 3 + j]) >> 7); + } + ctx->pal[i] = AV_RB24(tmp); + } + } else { + if (size < 768 * 2 + 4) { + av_log(avctx, AV_LOG_ERROR, "incorrect palette change block size %d\n", + size); + return AVERROR_INVALIDDATA; + } + bytestream2_skipu(&ctx->gb, 4); + for (i = 0; i < 768; i++) + ctx->delta_pal[i] = bytestream2_get_le16u(&ctx->gb); + if (size >= 768 * 5 + 4) { + for (i = 0; i < 256; i++) + ctx->pal[i] = bytestream2_get_be24u(&ctx->gb); + } else { + memset(ctx->pal, 0, sizeof(ctx->pal)); + } + } + break; + case MKBETAG('S', 'T', 'O', 'R'): + to_store = 1; + break; + case MKBETAG('F', 'T', 'C', 'H'): + memcpy(ctx->frm0, ctx->stored_frame, ctx->buf_size); + break; + default: + bytestream2_skip(&ctx->gb, size); + av_log(avctx, AV_LOG_DEBUG, "unknown/unsupported chunk %x\n", sig); + break; + } + + bytestream2_seek(&ctx->gb, pos + size, SEEK_SET); + if (size & 1) + bytestream2_skip(&ctx->gb, 1); + } + if (to_store) + memcpy(ctx->stored_frame, ctx->frm0, ctx->buf_size); + if ((ret = copy_output(ctx, NULL))) + return ret; + memcpy(ctx->output->data[1], ctx->pal, 1024); + } else { + SANMFrameHeader header; + + if ((ret = read_frame_header(ctx, &header))) + return ret; + + ctx->rotate_code = header.rotate_code; + if ((ctx->output->key_frame = !header.seq_num)) { + ctx->output->pict_type = AV_PICTURE_TYPE_I; + fill_frame(ctx->frm1, ctx->npixels, header.bg_color); + fill_frame(ctx->frm2, ctx->npixels, header.bg_color); + } else { + ctx->output->pict_type = AV_PICTURE_TYPE_P; + } + + if (header.codec < FF_ARRAY_ELEMS(v1_decoders)) { + if ((ret = v1_decoders[header.codec](ctx))) { + av_log(avctx, AV_LOG_ERROR, + "subcodec %d: error decoding frame\n", header.codec); + return ret; + } + } else { + av_log_ask_for_sample(avctx, "subcodec %d is not implemented\n", + header.codec); + return AVERROR_PATCHWELCOME; + } + + if ((ret = copy_output(ctx, &header))) + return ret; + } + if (ctx->rotate_code) + rotate_bufs(ctx, ctx->rotate_code); + + *got_frame_ptr = 1; + *(AVFrame*)data = *ctx->output; + + return pkt->size; +} + +AVCodec ff_sanm_decoder = { + .name = "sanm", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_SANM, + .priv_data_size = sizeof(SANMVideoContext), + .init = decode_init, + .close = decode_end, + .decode = decode_frame, + .capabilities = CODEC_CAP_DR1, + .long_name = NULL_IF_CONFIG_SMALL("LucasArts SMUSH video"), +}; diff --git a/libavcodec/sanm_data.h b/libavcodec/sanm_data.h new file mode 100644 index 0000000000..8fccf38eea --- /dev/null +++ b/libavcodec/sanm_data.h @@ -0,0 +1,248 @@ +/* + * LucasArts Smush video decoder + * Copyright (c) 2006 Cyril Zorin + * + * This file is part of FFmpeg. + * + * FFmpeg 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, + * 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 + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#ifndef AVCODEC_SANM_DATA_H +#define AVCODEC_SANM_DATA_H + +#include + +#define GLYPH_COORD_VECT_SIZE 16 + +static const int8_t glyph4_x[GLYPH_COORD_VECT_SIZE] = + { 0, 1, 2, 3, 3, 3, 3, 2, 1, 0, 0, 0, 1, 2, 2, 1 }; +static const int8_t glyph4_y[GLYPH_COORD_VECT_SIZE] = + { 0, 0, 0, 0, 1, 2, 3, 3, 3, 3, 2, 1, 1, 1, 2, 2 }; +static const int8_t glyph8_x[GLYPH_COORD_VECT_SIZE] = + { 0, 2, 5, 7, 7, 7, 7, 7, 7, 5, 2, 0, 0, 0, 0, 0 }; +static const int8_t glyph8_y[GLYPH_COORD_VECT_SIZE] = + { 0, 0, 0, 0, 1, 3, 4, 6, 7, 7, 7, 7, 6, 4, 3, 1 }; + +static const int8_t motion_vectors[256][2] = +{ + { 0, 0}, { -1, -43}, { 6, -43}, { -9, -42}, { 13, -41}, + {-16, -40}, { 19, -39}, {-23, -36}, { 26, -34}, { -2, -33}, + { 4, -33}, {-29, -32}, { -9, -32}, { 11, -31}, {-16, -29}, + { 32, -29}, { 18, -28}, {-34, -26}, {-22, -25}, { -1, -25}, + { 3, -25}, { -7, -24}, { 8, -24}, { 24, -23}, { 36, -23}, + {-12, -22}, { 13, -21}, {-38, -20}, { 0, -20}, {-27, -19}, + { -4, -19}, { 4, -19}, {-17, -18}, { -8, -17}, { 8, -17}, + { 18, -17}, { 28, -17}, { 39, -17}, {-12, -15}, { 12, -15}, + {-21, -14}, { -1, -14}, { 1, -14}, {-41, -13}, { -5, -13}, + { 5, -13}, { 21, -13}, {-31, -12}, {-15, -11}, { -8, -11}, + { 8, -11}, { 15, -11}, { -2, -10}, { 1, -10}, { 31, -10}, + {-23, -9}, {-11, -9}, { -5, -9}, { 4, -9}, { 11, -9}, + { 42, -9}, { 6, -8}, { 24, -8}, {-18, -7}, { -7, -7}, + { -3, -7}, { -1, -7}, { 2, -7}, { 18, -7}, {-43, -6}, + {-13, -6}, { -4, -6}, { 4, -6}, { 8, -6}, {-33, -5}, + { -9, -5}, { -2, -5}, { 0, -5}, { 2, -5}, { 5, -5}, + { 13, -5}, {-25, -4}, { -6, -4}, { -3, -4}, { 3, -4}, + { 9, -4}, {-19, -3}, { -7, -3}, { -4, -3}, { -2, -3}, + { -1, -3}, { 0, -3}, { 1, -3}, { 2, -3}, { 4, -3}, + { 6, -3}, { 33, -3}, {-14, -2}, {-10, -2}, { -5, -2}, + { -3, -2}, { -2, -2}, { -1, -2}, { 0, -2}, { 1, -2}, + { 2, -2}, { 3, -2}, { 5, -2}, { 7, -2}, { 14, -2}, + { 19, -2}, { 25, -2}, { 43, -2}, { -7, -1}, { -3, -1}, + { -2, -1}, { -1, -1}, { 0, -1}, { 1, -1}, { 2, -1}, + { 3, -1}, { 10, -1}, { -5, 0}, { -3, 0}, { -2, 0}, + { -1, 0}, { 1, 0}, { 2, 0}, { 3, 0}, { 5, 0}, + { 7, 0}, {-10, 1}, { -7, 1}, { -3, 1}, { -2, 1}, + { -1, 1}, { 0, 1}, { 1, 1}, { 2, 1}, { 3, 1}, + {-43, 2}, {-25, 2}, {-19, 2}, {-14, 2}, { -5, 2}, + { -3, 2}, { -2, 2}, { -1, 2}, { 0, 2}, { 1, 2}, + { 2, 2}, { 3, 2}, { 5, 2}, { 7, 2}, { 10, 2}, + { 14, 2}, {-33, 3}, { -6, 3}, { -4, 3}, { -2, 3}, + { -1, 3}, { 0, 3}, { 1, 3}, { 2, 3}, { 4, 3}, + { 19, 3}, { -9, 4}, { -3, 4}, { 3, 4}, { 7, 4}, + { 25, 4}, {-13, 5}, { -5, 5}, { -2, 5}, { 0, 5}, + { 2, 5}, { 5, 5}, { 9, 5}, { 33, 5}, { -8, 6}, + { -4, 6}, { 4, 6}, { 13, 6}, { 43, 6}, {-18, 7}, + { -2, 7}, { 0, 7}, { 2, 7}, { 7, 7}, { 18, 7}, + {-24, 8}, { -6, 8}, {-42, 9}, {-11, 9}, { -4, 9}, + { 5, 9}, { 11, 9}, { 23, 9}, {-31, 10}, { -1, 10}, + { 2, 10}, {-15, 11}, { -8, 11}, { 8, 11}, { 15, 11}, + { 31, 12}, {-21, 13}, { -5, 13}, { 5, 13}, { 41, 13}, + { -1, 14}, { 1, 14}, { 21, 14}, {-12, 15}, { 12, 15}, + {-39, 17}, {-28, 17}, {-18, 17}, { -8, 17}, { 8, 17}, + { 17, 18}, { -4, 19}, { 0, 19}, { 4, 19}, { 27, 19}, + { 38, 20}, {-13, 21}, { 12, 22}, {-36, 23}, {-24, 23}, + { -8, 24}, { 7, 24}, { -3, 25}, { 1, 25}, { 22, 25}, + { 34, 26}, {-18, 28}, {-32, 29}, { 16, 29}, {-11, 31}, + { 9, 32}, { 29, 32}, { -4, 33}, { 2, 33}, {-26, 34}, + { 23, 36}, {-19, 39}, { 16, 40}, {-13, 41}, { 9, 42}, + { -6, 43}, { 1, 43}, { 0, 0}, { 0, 0}, { 0, 0}, +}; + +static const int8_t c37_mv[] = { + 0, 0, 1, 0, 2, 0, 3, 0, 5, 0, + 8, 0, 13, 0, 21, 0, -1, 0, -2, 0, + -3, 0, -5, 0, -8, 0, -13, 0, -17, 0, + -21, 0, 0, 1, 1, 1, 2, 1, 3, 1, + 5, 1, 8, 1, 13, 1, 21, 1, -1, 1, + -2, 1, -3, 1, -5, 1, -8, 1, -13, 1, + -17, 1, -21, 1, 0, 2, 1, 2, 2, 2, + 3, 2, 5, 2, 8, 2, 13, 2, 21, 2, + -1, 2, -2, 2, -3, 2, -5, 2, -8, 2, + -13, 2, -17, 2, -21, 2, 0, 3, 1, 3, + 2, 3, 3, 3, 5, 3, 8, 3, 13, 3, + 21, 3, -1, 3, -2, 3, -3, 3, -5, 3, + -8, 3, -13, 3, -17, 3, -21, 3, 0, 5, + 1, 5, 2, 5, 3, 5, 5, 5, 8, 5, + 13, 5, 21, 5, -1, 5, -2, 5, -3, 5, + -5, 5, -8, 5, -13, 5, -17, 5, -21, 5, + 0, 8, 1, 8, 2, 8, 3, 8, 5, 8, + 8, 8, 13, 8, 21, 8, -1, 8, -2, 8, + -3, 8, -5, 8, -8, 8, -13, 8, -17, 8, + -21, 8, 0, 13, 1, 13, 2, 13, 3, 13, + 5, 13, 8, 13, 13, 13, 21, 13, -1, 13, + -2, 13, -3, 13, -5, 13, -8, 13, -13, 13, + -17, 13, -21, 13, 0, 21, 1, 21, 2, 21, + 3, 21, 5, 21, 8, 21, 13, 21, 21, 21, + -1, 21, -2, 21, -3, 21, -5, 21, -8, 21, + -13, 21, -17, 21, -21, 21, 0, -1, 1, -1, + 2, -1, 3, -1, 5, -1, 8, -1, 13, -1, + 21, -1, -1, -1, -2, -1, -3, -1, -5, -1, + -8, -1, -13, -1, -17, -1, -21, -1, 0, -2, + 1, -2, 2, -2, 3, -2, 5, -2, 8, -2, + 13, -2, 21, -2, -1, -2, -2, -2, -3, -2, + -5, -2, -8, -2, -13, -2, -17, -2, -21, -2, + 0, -3, 1, -3, 2, -3, 3, -3, 5, -3, + 8, -3, 13, -3, 21, -3, -1, -3, -2, -3, + -3, -3, -5, -3, -8, -3, -13, -3, -17, -3, + -21, -3, 0, -5, 1, -5, 2, -5, 3, -5, + 5, -5, 8, -5, 13, -5, 21, -5, -1, -5, + -2, -5, -3, -5, -5, -5, -8, -5, -13, -5, + -17, -5, -21, -5, 0, -8, 1, -8, 2, -8, + 3, -8, 5, -8, 8, -8, 13, -8, 21, -8, + -1, -8, -2, -8, -3, -8, -5, -8, -8, -8, + -13, -8, -17, -8, -21, -8, 0, -13, 1, -13, + 2, -13, 3, -13, 5, -13, 8, -13, 13, -13, + 21, -13, -1, -13, -2, -13, -3, -13, -5, -13, + -8, -13, -13, -13, -17, -13, -21, -13, 0, -17, + 1, -17, 2, -17, 3, -17, 5, -17, 8, -17, + 13, -17, 21, -17, -1, -17, -2, -17, -3, -17, + -5, -17, -8, -17, -13, -17, -17, -17, -21, -17, + 0, -21, 1, -21, 2, -21, 3, -21, 5, -21, + 8, -21, 13, -21, 21, -21, -1, -21, -2, -21, + -3, -21, -5, -21, -8, -21, -13, -21, -17, -21, + 0, 0, -8, -29, 8, -29, -18, -25, 17, -25, + 0, -23, -6, -22, 6, -22, -13, -19, 12, -19, + 0, -18, 25, -18, -25, -17, -5, -17, 5, -17, + -10, -15, 10, -15, 0, -14, -4, -13, 4, -13, + 19, -13, -19, -12, -8, -11, -2, -11, 0, -11, + 2, -11, 8, -11, -15, -10, -4, -10, 4, -10, + 15, -10, -6, -9, -1, -9, 1, -9, 6, -9, + -29, -8, -11, -8, -8, -8, -3, -8, 3, -8, + 8, -8, 11, -8, 29, -8, -5, -7, -2, -7, + 0, -7, 2, -7, 5, -7, -22, -6, -9, -6, + -6, -6, -3, -6, -1, -6, 1, -6, 3, -6, + 6, -6, 9, -6, 22, -6, -17, -5, -7, -5, + -4, -5, -2, -5, 0, -5, 2, -5, 4, -5, + 7, -5, 17, -5, -13, -4, -10, -4, -5, -4, + -3, -4, -1, -4, 0, -4, 1, -4, 3, -4, + 5, -4, 10, -4, 13, -4, -8, -3, -6, -3, + -4, -3, -3, -3, -2, -3, -1, -3, 0, -3, + 1, -3, 2, -3, 4, -3, 6, -3, 8, -3, + -11, -2, -7, -2, -5, -2, -3, -2, -2, -2, + -1, -2, 0, -2, 1, -2, 2, -2, 3, -2, + 5, -2, 7, -2, 11, -2, -9, -1, -6, -1, + -4, -1, -3, -1, -2, -1, -1, -1, 0, -1, + 1, -1, 2, -1, 3, -1, 4, -1, 6, -1, + 9, -1, -31, 0, -23, 0, -18, 0, -14, 0, + -11, 0, -7, 0, -5, 0, -4, 0, -3, 0, + -2, 0, -1, 0, 0, -31, 1, 0, 2, 0, + 3, 0, 4, 0, 5, 0, 7, 0, 11, 0, + 14, 0, 18, 0, 23, 0, 31, 0, -9, 1, + -6, 1, -4, 1, -3, 1, -2, 1, -1, 1, + 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, + 6, 1, 9, 1, -11, 2, -7, 2, -5, 2, + -3, 2, -2, 2, -1, 2, 0, 2, 1, 2, + 2, 2, 3, 2, 5, 2, 7, 2, 11, 2, + -8, 3, -6, 3, -4, 3, -2, 3, -1, 3, + 0, 3, 1, 3, 2, 3, 3, 3, 4, 3, + 6, 3, 8, 3, -13, 4, -10, 4, -5, 4, + -3, 4, -1, 4, 0, 4, 1, 4, 3, 4, + 5, 4, 10, 4, 13, 4, -17, 5, -7, 5, + -4, 5, -2, 5, 0, 5, 2, 5, 4, 5, + 7, 5, 17, 5, -22, 6, -9, 6, -6, 6, + -3, 6, -1, 6, 1, 6, 3, 6, 6, 6, + 9, 6, 22, 6, -5, 7, -2, 7, 0, 7, + 2, 7, 5, 7, -29, 8, -11, 8, -8, 8, + -3, 8, 3, 8, 8, 8, 11, 8, 29, 8, + -6, 9, -1, 9, 1, 9, 6, 9, -15, 10, + -4, 10, 4, 10, 15, 10, -8, 11, -2, 11, + 0, 11, 2, 11, 8, 11, 19, 12, -19, 13, + -4, 13, 4, 13, 0, 14, -10, 15, 10, 15, + -5, 17, 5, 17, 25, 17, -25, 18, 0, 18, + -12, 19, 13, 19, -6, 22, 6, 22, 0, 23, + -17, 25, 18, 25, -8, 29, 8, 29, 0, 31, + 0, 0, -6, -22, 6, -22, -13, -19, 12, -19, + 0, -18, -5, -17, 5, -17, -10, -15, 10, -15, + 0, -14, -4, -13, 4, -13, 19, -13, -19, -12, + -8, -11, -2, -11, 0, -11, 2, -11, 8, -11, + -15, -10, -4, -10, 4, -10, 15, -10, -6, -9, + -1, -9, 1, -9, 6, -9, -11, -8, -8, -8, + -3, -8, 0, -8, 3, -8, 8, -8, 11, -8, + -5, -7, -2, -7, 0, -7, 2, -7, 5, -7, + -22, -6, -9, -6, -6, -6, -3, -6, -1, -6, + 1, -6, 3, -6, 6, -6, 9, -6, 22, -6, + -17, -5, -7, -5, -4, -5, -2, -5, -1, -5, + 0, -5, 1, -5, 2, -5, 4, -5, 7, -5, + 17, -5, -13, -4, -10, -4, -5, -4, -3, -4, + -2, -4, -1, -4, 0, -4, 1, -4, 2, -4, + 3, -4, 5, -4, 10, -4, 13, -4, -8, -3, + -6, -3, -4, -3, -3, -3, -2, -3, -1, -3, + 0, -3, 1, -3, 2, -3, 3, -3, 4, -3, + 6, -3, 8, -3, -11, -2, -7, -2, -5, -2, + -4, -2, -3, -2, -2, -2, -1, -2, 0, -2, + 1, -2, 2, -2, 3, -2, 4, -2, 5, -2, + 7, -2, 11, -2, -9, -1, -6, -1, -5, -1, + -4, -1, -3, -1, -2, -1, -1, -1, 0, -1, + 1, -1, 2, -1, 3, -1, 4, -1, 5, -1, + 6, -1, 9, -1, -23, 0, -18, 0, -14, 0, + -11, 0, -7, 0, -5, 0, -4, 0, -3, 0, + -2, 0, -1, 0, 0, -23, 1, 0, 2, 0, + 3, 0, 4, 0, 5, 0, 7, 0, 11, 0, + 14, 0, 18, 0, 23, 0, -9, 1, -6, 1, + -5, 1, -4, 1, -3, 1, -2, 1, -1, 1, + 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, + 5, 1, 6, 1, 9, 1, -11, 2, -7, 2, + -5, 2, -4, 2, -3, 2, -2, 2, -1, 2, + 0, 2, 1, 2, 2, 2, 3, 2, 4, 2, + 5, 2, 7, 2, 11, 2, -8, 3, -6, 3, + -4, 3, -3, 3, -2, 3, -1, 3, 0, 3, + 1, 3, 2, 3, 3, 3, 4, 3, 6, 3, + 8, 3, -13, 4, -10, 4, -5, 4, -3, 4, + -2, 4, -1, 4, 0, 4, 1, 4, 2, 4, + 3, 4, 5, 4, 10, 4, 13, 4, -17, 5, + -7, 5, -4, 5, -2, 5, -1, 5, 0, 5, + 1, 5, 2, 5, 4, 5, 7, 5, 17, 5, + -22, 6, -9, 6, -6, 6, -3, 6, -1, 6, + 1, 6, 3, 6, 6, 6, 9, 6, 22, 6, + -5, 7, -2, 7, 0, 7, 2, 7, 5, 7, + -11, 8, -8, 8, -3, 8, 0, 8, 3, 8, + 8, 8, 11, 8, -6, 9, -1, 9, 1, 9, + 6, 9, -15, 10, -4, 10, 4, 10, 15, 10, + -8, 11, -2, 11, 0, 11, 2, 11, 8, 11, + 19, 12, -19, 13, -4, 13, 4, 13, 0, 14, + -10, 15, 10, 15, -5, 17, 5, 17, 0, 18, + -12, 19, 13, 19, -6, 22, 6, 22, 0, 23, +}; +#endif /* AVCODEC_SANM_DATA_H */ diff --git a/libavcodec/version.h b/libavcodec/version.h index 643409ef7e..d7508c4329 100644 --- a/libavcodec/version.h +++ b/libavcodec/version.h @@ -27,7 +27,7 @@ */ #define LIBAVCODEC_VERSION_MAJOR 54 -#define LIBAVCODEC_VERSION_MINOR 28 +#define LIBAVCODEC_VERSION_MINOR 29 #define LIBAVCODEC_VERSION_MICRO 100 #define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \