diff options
Diffstat (limited to 'ffmpeg1/libavcodec/indeo5.c')
| -rw-r--r-- | ffmpeg1/libavcodec/indeo5.c | 676 |
1 files changed, 0 insertions, 676 deletions
diff --git a/ffmpeg1/libavcodec/indeo5.c b/ffmpeg1/libavcodec/indeo5.c deleted file mode 100644 index 65bd9f2..0000000 --- a/ffmpeg1/libavcodec/indeo5.c +++ /dev/null @@ -1,676 +0,0 @@ -/* - * Indeo Video Interactive v5 compatible decoder - * Copyright (c) 2009 Maxim Poliakovski - * - * 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 - */ - -/** - * @file - * Indeo Video Interactive version 5 decoder - * - * Indeo5 data is usually transported within .avi or .mov files. - * Known FOURCCs: 'IV50' - */ - -#define BITSTREAM_READER_LE -#include "avcodec.h" -#include "get_bits.h" -#include "dsputil.h" -#include "ivi_dsp.h" -#include "ivi_common.h" -#include "indeo5data.h" - -/** - * Indeo5 frame types. - */ -enum { - FRAMETYPE_INTRA = 0, - FRAMETYPE_INTER = 1, ///< non-droppable P-frame - FRAMETYPE_INTER_SCAL = 2, ///< droppable P-frame used in the scalability mode - FRAMETYPE_INTER_NOREF = 3, ///< droppable P-frame - FRAMETYPE_NULL = 4 ///< empty frame with no data -}; - -#define IVI5_PIC_SIZE_ESC 15 - -/** - * Decode Indeo5 GOP (Group of pictures) header. - * This header is present in key frames only. - * It defines parameters for all frames in a GOP. - * - * @param[in,out] ctx ptr to the decoder context - * @param[in] avctx ptr to the AVCodecContext - * @return result code: 0 = OK, -1 = error - */ -static int decode_gop_header(IVI45DecContext *ctx, AVCodecContext *avctx) -{ - int result, i, p, tile_size, pic_size_indx, mb_size, blk_size, is_scalable; - int quant_mat, blk_size_changed = 0; - IVIBandDesc *band, *band1, *band2; - IVIPicConfig pic_conf; - - ctx->gop_flags = get_bits(&ctx->gb, 8); - - ctx->gop_hdr_size = (ctx->gop_flags & 1) ? get_bits(&ctx->gb, 16) : 0; - - if (ctx->gop_flags & IVI5_IS_PROTECTED) - ctx->lock_word = get_bits_long(&ctx->gb, 32); - - tile_size = (ctx->gop_flags & 0x40) ? 64 << get_bits(&ctx->gb, 2) : 0; - if (tile_size > 256) { - av_log(avctx, AV_LOG_ERROR, "Invalid tile size: %d\n", tile_size); - return -1; - } - - /* decode number of wavelet bands */ - /* num_levels * 3 + 1 */ - pic_conf.luma_bands = get_bits(&ctx->gb, 2) * 3 + 1; - pic_conf.chroma_bands = get_bits1(&ctx->gb) * 3 + 1; - is_scalable = pic_conf.luma_bands != 1 || pic_conf.chroma_bands != 1; - if (is_scalable && (pic_conf.luma_bands != 4 || pic_conf.chroma_bands != 1)) { - av_log(avctx, AV_LOG_ERROR, "Scalability: unsupported subdivision! Luma bands: %d, chroma bands: %d\n", - pic_conf.luma_bands, pic_conf.chroma_bands); - return -1; - } - - pic_size_indx = get_bits(&ctx->gb, 4); - if (pic_size_indx == IVI5_PIC_SIZE_ESC) { - pic_conf.pic_height = get_bits(&ctx->gb, 13); - pic_conf.pic_width = get_bits(&ctx->gb, 13); - } else { - pic_conf.pic_height = ivi5_common_pic_sizes[pic_size_indx * 2 + 1] << 2; - pic_conf.pic_width = ivi5_common_pic_sizes[pic_size_indx * 2 ] << 2; - } - - if (ctx->gop_flags & 2) { - av_log(avctx, AV_LOG_ERROR, "YV12 picture format not supported!\n"); - return -1; - } - - pic_conf.chroma_height = (pic_conf.pic_height + 3) >> 2; - pic_conf.chroma_width = (pic_conf.pic_width + 3) >> 2; - - if (!tile_size) { - pic_conf.tile_height = pic_conf.pic_height; - pic_conf.tile_width = pic_conf.pic_width; - } else { - pic_conf.tile_height = pic_conf.tile_width = tile_size; - } - - /* check if picture layout was changed and reallocate buffers */ - if (ivi_pic_config_cmp(&pic_conf, &ctx->pic_conf)) { - result = ff_ivi_init_planes(ctx->planes, &pic_conf); - if (result) { - av_log(avctx, AV_LOG_ERROR, "Couldn't reallocate color planes!\n"); - return -1; - } - ctx->pic_conf = pic_conf; - ctx->is_scalable = is_scalable; - blk_size_changed = 1; /* force reallocation of the internal structures */ - } - - for (p = 0; p <= 1; p++) { - for (i = 0; i < (!p ? pic_conf.luma_bands : pic_conf.chroma_bands); i++) { - band = &ctx->planes[p].bands[i]; - - band->is_halfpel = get_bits1(&ctx->gb); - - mb_size = get_bits1(&ctx->gb); - blk_size = 8 >> get_bits1(&ctx->gb); - mb_size = blk_size << !mb_size; - - if (p==0 && blk_size==4) { - av_log(avctx, AV_LOG_ERROR, "4x4 luma blocks are unsupported!\n"); - return AVERROR_PATCHWELCOME; - } - - blk_size_changed = mb_size != band->mb_size || blk_size != band->blk_size; - if (blk_size_changed) { - band->mb_size = mb_size; - band->blk_size = blk_size; - } - - if (get_bits1(&ctx->gb)) { - av_log(avctx, AV_LOG_ERROR, "Extended transform info encountered!\n"); - return -1; - } - - /* select transform function and scan pattern according to plane and band number */ - switch ((p << 2) + i) { - case 0: - band->inv_transform = ff_ivi_inverse_slant_8x8; - band->dc_transform = ff_ivi_dc_slant_2d; - band->scan = ff_zigzag_direct; - band->transform_size= 8; - break; - - case 1: - band->inv_transform = ff_ivi_row_slant8; - band->dc_transform = ff_ivi_dc_row_slant; - band->scan = ff_ivi_vertical_scan_8x8; - band->transform_size= 8; - break; - - case 2: - band->inv_transform = ff_ivi_col_slant8; - band->dc_transform = ff_ivi_dc_col_slant; - band->scan = ff_ivi_horizontal_scan_8x8; - band->transform_size= 8; - break; - - case 3: - band->inv_transform = ff_ivi_put_pixels_8x8; - band->dc_transform = ff_ivi_put_dc_pixel_8x8; - band->scan = ff_ivi_horizontal_scan_8x8; - band->transform_size= 8; - break; - - case 4: - band->inv_transform = ff_ivi_inverse_slant_4x4; - band->dc_transform = ff_ivi_dc_slant_2d; - band->scan = ff_ivi_direct_scan_4x4; - band->transform_size= 4; - break; - } - - band->is_2d_trans = band->inv_transform == ff_ivi_inverse_slant_8x8 || - band->inv_transform == ff_ivi_inverse_slant_4x4; - - /* select dequant matrix according to plane and band number */ - if (!p) { - quant_mat = (pic_conf.luma_bands > 1) ? i+1 : 0; - } else { - quant_mat = 5; - } - - if (band->blk_size == 8) { - if(quant_mat >= 5){ - av_log(avctx, AV_LOG_ERROR, "quant_mat %d too large!\n", quant_mat); - return -1; - } - band->intra_base = &ivi5_base_quant_8x8_intra[quant_mat][0]; - band->inter_base = &ivi5_base_quant_8x8_inter[quant_mat][0]; - band->intra_scale = &ivi5_scale_quant_8x8_intra[quant_mat][0]; - band->inter_scale = &ivi5_scale_quant_8x8_inter[quant_mat][0]; - } else { - band->intra_base = ivi5_base_quant_4x4_intra; - band->inter_base = ivi5_base_quant_4x4_inter; - band->intra_scale = ivi5_scale_quant_4x4_intra; - band->inter_scale = ivi5_scale_quant_4x4_inter; - } - - if (get_bits(&ctx->gb, 2)) { - av_log(avctx, AV_LOG_ERROR, "End marker missing!\n"); - return -1; - } - } - } - - /* copy chroma parameters into the 2nd chroma plane */ - for (i = 0; i < pic_conf.chroma_bands; i++) { - band1 = &ctx->planes[1].bands[i]; - band2 = &ctx->planes[2].bands[i]; - - band2->width = band1->width; - band2->height = band1->height; - band2->mb_size = band1->mb_size; - band2->blk_size = band1->blk_size; - band2->is_halfpel = band1->is_halfpel; - band2->intra_base = band1->intra_base; - band2->inter_base = band1->inter_base; - band2->intra_scale = band1->intra_scale; - band2->inter_scale = band1->inter_scale; - band2->scan = band1->scan; - band2->inv_transform = band1->inv_transform; - band2->dc_transform = band1->dc_transform; - band2->is_2d_trans = band1->is_2d_trans; - band2->transform_size= band1->transform_size; - } - - /* reallocate internal structures if needed */ - if (blk_size_changed) { - result = ff_ivi_init_tiles(ctx->planes, pic_conf.tile_width, - pic_conf.tile_height); - if (result) { - av_log(avctx, AV_LOG_ERROR, - "Couldn't reallocate internal structures!\n"); - return -1; - } - } - - if (ctx->gop_flags & 8) { - if (get_bits(&ctx->gb, 3)) { - av_log(avctx, AV_LOG_ERROR, "Alignment bits are not zero!\n"); - return -1; - } - - if (get_bits1(&ctx->gb)) - skip_bits_long(&ctx->gb, 24); /* skip transparency fill color */ - } - - align_get_bits(&ctx->gb); - - skip_bits(&ctx->gb, 23); /* FIXME: unknown meaning */ - - /* skip GOP extension if any */ - if (get_bits1(&ctx->gb)) { - do { - i = get_bits(&ctx->gb, 16); - } while (i & 0x8000); - } - - align_get_bits(&ctx->gb); - - return 0; -} - - -/** - * Skip a header extension. - * - * @param[in,out] gb the GetBit context - */ -static inline void skip_hdr_extension(GetBitContext *gb) -{ - int i, len; - - do { - len = get_bits(gb, 8); - for (i = 0; i < len; i++) skip_bits(gb, 8); - } while(len); -} - - -/** - * Decode Indeo5 picture header. - * - * @param[in,out] ctx ptr to the decoder context - * @param[in] avctx ptr to the AVCodecContext - * @return result code: 0 = OK, -1 = error - */ -static int decode_pic_hdr(IVI45DecContext *ctx, AVCodecContext *avctx) -{ - if (get_bits(&ctx->gb, 5) != 0x1F) { - av_log(avctx, AV_LOG_ERROR, "Invalid picture start code!\n"); - return -1; - } - - ctx->prev_frame_type = ctx->frame_type; - ctx->frame_type = get_bits(&ctx->gb, 3); - if (ctx->frame_type >= 5) { - av_log(avctx, AV_LOG_ERROR, "Invalid frame type: %d \n", ctx->frame_type); - return -1; - } - - ctx->frame_num = get_bits(&ctx->gb, 8); - - if (ctx->frame_type == FRAMETYPE_INTRA) { - ctx->gop_invalid = 1; - if (decode_gop_header(ctx, avctx)) { - av_log(avctx, AV_LOG_ERROR, "Invalid GOP header, skipping frames.\n"); - return AVERROR_INVALIDDATA; - } - ctx->gop_invalid = 0; - } - - if (ctx->frame_type == FRAMETYPE_INTER_SCAL && !ctx->is_scalable) { - av_log(avctx, AV_LOG_ERROR, "Scalable inter frame in non scaleable stream\n"); - ctx->frame_type = FRAMETYPE_INTER; - return AVERROR_INVALIDDATA; - } - - if (ctx->frame_type != FRAMETYPE_NULL) { - ctx->frame_flags = get_bits(&ctx->gb, 8); - - ctx->pic_hdr_size = (ctx->frame_flags & 1) ? get_bits_long(&ctx->gb, 24) : 0; - - ctx->checksum = (ctx->frame_flags & 0x10) ? get_bits(&ctx->gb, 16) : 0; - - /* skip unknown extension if any */ - if (ctx->frame_flags & 0x20) - skip_hdr_extension(&ctx->gb); /* XXX: untested */ - - /* decode macroblock huffman codebook */ - if (ff_ivi_dec_huff_desc(&ctx->gb, ctx->frame_flags & 0x40, IVI_MB_HUFF, &ctx->mb_vlc, avctx)) - return -1; - - skip_bits(&ctx->gb, 3); /* FIXME: unknown meaning! */ - } - - align_get_bits(&ctx->gb); - - return 0; -} - - -/** - * Decode Indeo5 band header. - * - * @param[in,out] ctx ptr to the decoder context - * @param[in,out] band ptr to the band descriptor - * @param[in] avctx ptr to the AVCodecContext - * @return result code: 0 = OK, -1 = error - */ -static int decode_band_hdr(IVI45DecContext *ctx, IVIBandDesc *band, - AVCodecContext *avctx) -{ - int i; - uint8_t band_flags; - - band_flags = get_bits(&ctx->gb, 8); - - if (band_flags & 1) { - band->is_empty = 1; - return 0; - } - - band->data_size = (ctx->frame_flags & 0x80) ? get_bits_long(&ctx->gb, 24) : 0; - - band->inherit_mv = band_flags & 2; - band->inherit_qdelta = band_flags & 8; - band->qdelta_present = band_flags & 4; - if (!band->qdelta_present) band->inherit_qdelta = 1; - - /* decode rvmap probability corrections if any */ - band->num_corr = 0; /* there are no corrections */ - if (band_flags & 0x10) { - band->num_corr = get_bits(&ctx->gb, 8); /* get number of correction pairs */ - if (band->num_corr > 61) { - av_log(avctx, AV_LOG_ERROR, "Too many corrections: %d\n", - band->num_corr); - return -1; - } - - /* read correction pairs */ - for (i = 0; i < band->num_corr * 2; i++) - band->corr[i] = get_bits(&ctx->gb, 8); - } - - /* select appropriate rvmap table for this band */ - band->rvmap_sel = (band_flags & 0x40) ? get_bits(&ctx->gb, 3) : 8; - - /* decode block huffman codebook */ - if (ff_ivi_dec_huff_desc(&ctx->gb, band_flags & 0x80, IVI_BLK_HUFF, &band->blk_vlc, avctx)) - return -1; - - band->checksum_present = get_bits1(&ctx->gb); - if (band->checksum_present) - band->checksum = get_bits(&ctx->gb, 16); - - band->glob_quant = get_bits(&ctx->gb, 5); - - /* skip unknown extension if any */ - if (band_flags & 0x20) { /* XXX: untested */ - align_get_bits(&ctx->gb); - skip_hdr_extension(&ctx->gb); - } - - align_get_bits(&ctx->gb); - - return 0; -} - - -/** - * Decode info (block type, cbp, quant delta, motion vector) - * for all macroblocks in the current tile. - * - * @param[in,out] ctx ptr to the decoder context - * @param[in,out] band ptr to the band descriptor - * @param[in,out] tile ptr to the tile descriptor - * @param[in] avctx ptr to the AVCodecContext - * @return result code: 0 = OK, -1 = error - */ -static int decode_mb_info(IVI45DecContext *ctx, IVIBandDesc *band, - IVITile *tile, AVCodecContext *avctx) -{ - int x, y, mv_x, mv_y, mv_delta, offs, mb_offset, - mv_scale, blks_per_mb, s; - IVIMbInfo *mb, *ref_mb; - int row_offset = band->mb_size * band->pitch; - - mb = tile->mbs; - ref_mb = tile->ref_mbs; - offs = tile->ypos * band->pitch + tile->xpos; - - if (!ref_mb && - ((band->qdelta_present && band->inherit_qdelta) || band->inherit_mv)) - return AVERROR_INVALIDDATA; - - if (tile->num_MBs != IVI_MBs_PER_TILE(tile->width, tile->height, band->mb_size)) { - av_log(avctx, AV_LOG_ERROR, "Allocated tile size %d mismatches parameters %d\n", - tile->num_MBs, IVI_MBs_PER_TILE(tile->width, tile->height, band->mb_size)); - return AVERROR_INVALIDDATA; - } - - /* scale factor for motion vectors */ - mv_scale = (ctx->planes[0].bands[0].mb_size >> 3) - (band->mb_size >> 3); - mv_x = mv_y = 0; - - for (y = tile->ypos; y < (tile->ypos + tile->height); y += band->mb_size) { - mb_offset = offs; - - for (x = tile->xpos; x < (tile->xpos + tile->width); x += band->mb_size) { - mb->xpos = x; - mb->ypos = y; - mb->buf_offs = mb_offset; - - if (get_bits1(&ctx->gb)) { - if (ctx->frame_type == FRAMETYPE_INTRA) { - av_log(avctx, AV_LOG_ERROR, "Empty macroblock in an INTRA picture!\n"); - return -1; - } - mb->type = 1; /* empty macroblocks are always INTER */ - mb->cbp = 0; /* all blocks are empty */ - - mb->q_delta = 0; - if (!band->plane && !band->band_num && (ctx->frame_flags & 8)) { - mb->q_delta = get_vlc2(&ctx->gb, ctx->mb_vlc.tab->table, - IVI_VLC_BITS, 1); - mb->q_delta = IVI_TOSIGNED(mb->q_delta); - } - - mb->mv_x = mb->mv_y = 0; /* no motion vector coded */ - if (band->inherit_mv && ref_mb){ - /* motion vector inheritance */ - if (mv_scale) { - mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale); - mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale); - } else { - mb->mv_x = ref_mb->mv_x; - mb->mv_y = ref_mb->mv_y; - } - } - } else { - if (band->inherit_mv && ref_mb) { - mb->type = ref_mb->type; /* copy mb_type from corresponding reference mb */ - } else if (ctx->frame_type == FRAMETYPE_INTRA) { - mb->type = 0; /* mb_type is always INTRA for intra-frames */ - } else { - mb->type = get_bits1(&ctx->gb); - } - - blks_per_mb = band->mb_size != band->blk_size ? 4 : 1; - mb->cbp = get_bits(&ctx->gb, blks_per_mb); - - mb->q_delta = 0; - if (band->qdelta_present) { - if (band->inherit_qdelta) { - if (ref_mb) mb->q_delta = ref_mb->q_delta; - } else if (mb->cbp || (!band->plane && !band->band_num && - (ctx->frame_flags & 8))) { - mb->q_delta = get_vlc2(&ctx->gb, ctx->mb_vlc.tab->table, - IVI_VLC_BITS, 1); - mb->q_delta = IVI_TOSIGNED(mb->q_delta); - } - } - - if (!mb->type) { - mb->mv_x = mb->mv_y = 0; /* there is no motion vector in intra-macroblocks */ - } else { - if (band->inherit_mv && ref_mb){ - /* motion vector inheritance */ - if (mv_scale) { - mb->mv_x = ivi_scale_mv(ref_mb->mv_x, mv_scale); - mb->mv_y = ivi_scale_mv(ref_mb->mv_y, mv_scale); - } else { - mb->mv_x = ref_mb->mv_x; - mb->mv_y = ref_mb->mv_y; - } - } else { - /* decode motion vector deltas */ - mv_delta = get_vlc2(&ctx->gb, ctx->mb_vlc.tab->table, - IVI_VLC_BITS, 1); - mv_y += IVI_TOSIGNED(mv_delta); - mv_delta = get_vlc2(&ctx->gb, ctx->mb_vlc.tab->table, - IVI_VLC_BITS, 1); - mv_x += IVI_TOSIGNED(mv_delta); - mb->mv_x = mv_x; - mb->mv_y = mv_y; - } - } - } - - s= band->is_halfpel; - if (mb->type) - if ( x + (mb->mv_x >>s) + (y+ (mb->mv_y >>s))*band->pitch < 0 || - x + ((mb->mv_x+s)>>s) + band->mb_size - 1 - + (y+band->mb_size - 1 +((mb->mv_y+s)>>s))*band->pitch > band->bufsize - 1) { - av_log(avctx, AV_LOG_ERROR, "motion vector %d %d outside reference\n", x*s + mb->mv_x, y*s + mb->mv_y); - return AVERROR_INVALIDDATA; - } - - mb++; - if (ref_mb) - ref_mb++; - mb_offset += band->mb_size; - } - - offs += row_offset; - } - - align_get_bits(&ctx->gb); - - return 0; -} - - -/** - * Switch buffers. - * - * @param[in,out] ctx ptr to the decoder context - */ -static void switch_buffers(IVI45DecContext *ctx) -{ - switch (ctx->prev_frame_type) { - case FRAMETYPE_INTRA: - case FRAMETYPE_INTER: - ctx->buf_switch ^= 1; - ctx->dst_buf = ctx->buf_switch; - ctx->ref_buf = ctx->buf_switch ^ 1; - break; - case FRAMETYPE_INTER_SCAL: - if (!ctx->inter_scal) { - ctx->ref2_buf = 2; - ctx->inter_scal = 1; - } - FFSWAP(int, ctx->dst_buf, ctx->ref2_buf); - ctx->ref_buf = ctx->ref2_buf; - break; - case FRAMETYPE_INTER_NOREF: - break; - } - - switch (ctx->frame_type) { - case FRAMETYPE_INTRA: - ctx->buf_switch = 0; - /* FALLTHROUGH */ - case FRAMETYPE_INTER: - ctx->inter_scal = 0; - ctx->dst_buf = ctx->buf_switch; - ctx->ref_buf = ctx->buf_switch ^ 1; - break; - case FRAMETYPE_INTER_SCAL: - case FRAMETYPE_INTER_NOREF: - case FRAMETYPE_NULL: - break; - } -} - - -static int is_nonnull_frame(IVI45DecContext *ctx) -{ - return ctx->frame_type != FRAMETYPE_NULL; -} - - -/** - * Initialize Indeo5 decoder. - */ -static av_cold int decode_init(AVCodecContext *avctx) -{ - IVI45DecContext *ctx = avctx->priv_data; - int result; - - ff_ivi_init_static_vlc(); - - /* copy rvmap tables in our context so we can apply changes to them */ - memcpy(ctx->rvmap_tabs, ff_ivi_rvmap_tabs, sizeof(ff_ivi_rvmap_tabs)); - - /* set the initial picture layout according to the basic profile: - there is only one band per plane (no scalability), only one tile (no local decoding) - and picture format = YVU9 */ - ctx->pic_conf.pic_width = avctx->width; - ctx->pic_conf.pic_height = avctx->height; - ctx->pic_conf.chroma_width = (avctx->width + 3) >> 2; - ctx->pic_conf.chroma_height = (avctx->height + 3) >> 2; - ctx->pic_conf.tile_width = avctx->width; - ctx->pic_conf.tile_height = avctx->height; - ctx->pic_conf.luma_bands = ctx->pic_conf.chroma_bands = 1; - - result = ff_ivi_init_planes(ctx->planes, &ctx->pic_conf); - if (result) { - av_log(avctx, AV_LOG_ERROR, "Couldn't allocate color planes!\n"); - return -1; - } - - ctx->buf_switch = 0; - ctx->inter_scal = 0; - - ctx->decode_pic_hdr = decode_pic_hdr; - ctx->decode_band_hdr = decode_band_hdr; - ctx->decode_mb_info = decode_mb_info; - ctx->switch_buffers = switch_buffers; - ctx->is_nonnull_frame = is_nonnull_frame; - - avctx->pix_fmt = AV_PIX_FMT_YUV410P; - - return 0; -} - -AVCodec ff_indeo5_decoder = { - .name = "indeo5", - .type = AVMEDIA_TYPE_VIDEO, - .id = AV_CODEC_ID_INDEO5, - .priv_data_size = sizeof(IVI45DecContext), - .init = decode_init, - .close = ff_ivi_decode_close, - .decode = ff_ivi_decode_frame, - .long_name = NULL_IF_CONFIG_SMALL("Intel Indeo Video Interactive 5"), - .capabilities = CODEC_CAP_DR1, -}; |