X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=libavcodec%2Featqi.c;h=2d7da5a603d5d82e0f04ec7a998fd9734814ce6b;hb=d2205d6543881f2e6fa18c8a354bbcf91a1235f7;hp=acddec0f9ac4a1455ac1dd9d60c4728731a4abee;hpb=55775b099d91d41741ff169faa31ac671d08eb6a;p=ffmpeg diff --git a/libavcodec/eatqi.c b/libavcodec/eatqi.c index acddec0f9ac..2d7da5a603d 100644 --- a/libavcodec/eatqi.c +++ b/libavcodec/eatqi.c @@ -2,34 +2,32 @@ * Electronic Arts TQI Video Decoder * Copyright (c) 2007-2009 Peter Ross * - * 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ /** - * @file eatqi.c + * @file * Electronic Arts TQI Video Decoder - * by Peter Ross - * - * Technical details here: - * http://wiki.multimedia.cx/index.php?title=Electronic_Arts_TQI + * @author Peter Ross + * @see http://wiki.multimedia.cx/index.php?title=Electronic_Arts_TQI */ #include "avcodec.h" -#include "bitstream.h" +#include "get_bits.h" #include "dsputil.h" #include "aandcttab.h" #include "mpeg12.h" @@ -38,8 +36,9 @@ typedef struct TqiContext { MpegEncContext s; AVFrame frame; - uint8_t *bitstream_buf; + void *bitstream_buf; unsigned int bitstream_buf_size; + DECLARE_ALIGNED(16, DCTELEM, block)[6][64]; } TqiContext; static av_cold int tqi_decode_init(AVCodecContext *avctx) @@ -49,7 +48,7 @@ static av_cold int tqi_decode_init(AVCodecContext *avctx) s->avctx = avctx; if(avctx->idct_algo==FF_IDCT_AUTO) avctx->idct_algo=FF_IDCT_EA; - dsputil_init(&s->dsp, avctx); + ff_dsputil_init(&s->dsp, avctx); ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct); s->qscale = 1; avctx->time_base = (AVRational){1, 15}; @@ -108,7 +107,6 @@ static int tqi_decode_frame(AVCodecContext *avctx, const uint8_t *buf_end = buf+buf_size; TqiContext *t = avctx->priv_data; MpegEncContext *s = &t->s; - DECLARE_ALIGNED_16(DCTELEM, block[6][64]); s->width = AV_RL16(&buf[0]); s->height = AV_RL16(&buf[2]); @@ -126,18 +124,19 @@ static int tqi_decode_frame(AVCodecContext *avctx, return -1; } - t->bitstream_buf = av_fast_realloc(t->bitstream_buf, &t->bitstream_buf_size, (buf_end-buf) + FF_INPUT_BUFFER_PADDING_SIZE); + av_fast_padded_malloc(&t->bitstream_buf, &t->bitstream_buf_size, + buf_end - buf); if (!t->bitstream_buf) return AVERROR(ENOMEM); - s->dsp.bswap_buf((uint32_t*)t->bitstream_buf, (const uint32_t*)buf, (buf_end-buf)/4); + s->dsp.bswap_buf(t->bitstream_buf, (const uint32_t*)buf, (buf_end-buf)/4); init_get_bits(&s->gb, t->bitstream_buf, 8*(buf_end-buf)); s->last_dc[0] = s->last_dc[1] = s->last_dc[2] = 0; for (s->mb_y=0; s->mb_y<(avctx->height+15)/16; s->mb_y++) for (s->mb_x=0; s->mb_x<(avctx->width+15)/16; s->mb_x++) { - tqi_decode_mb(s, block); - tqi_idct_put(t, block); + tqi_decode_mb(s, t->block); + tqi_idct_put(t, t->block); } *data_size = sizeof(AVFrame); @@ -154,15 +153,14 @@ static av_cold int tqi_decode_end(AVCodecContext *avctx) return 0; } -AVCodec eatqi_decoder = { - "eatqi", - CODEC_TYPE_VIDEO, - CODEC_ID_TQI, - sizeof(TqiContext), - tqi_decode_init, - NULL, - tqi_decode_end, - tqi_decode_frame, - CODEC_CAP_DR1, - .long_name = NULL_IF_CONFIG_SMALL("Electronic Arts TQI Video"), +AVCodec ff_eatqi_decoder = { + .name = "eatqi", + .type = AVMEDIA_TYPE_VIDEO, + .id = CODEC_ID_TQI, + .priv_data_size = sizeof(TqiContext), + .init = tqi_decode_init, + .close = tqi_decode_end, + .decode = tqi_decode_frame, + .capabilities = CODEC_CAP_DR1, + .long_name = NULL_IF_CONFIG_SMALL("Electronic Arts TQI Video"), };