* PSX MDEC codec
* Copyright (c) 2003 Michael Niedermayer
*
- * This library is free software; you can redistribute it and/or
+ * based upon code from Sebastian Jedruszkiewicz <elf@frogger.rules.pl>
+ *
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * based upon code from Sebastian Jedruszkiewicz <elf@frogger.rules.pl>
*/
/**
int mb_width;
int mb_height;
int mb_x, mb_y;
- DCTELEM __align8 block[6][64];
- uint16_t __align8 intra_matrix[64];
- int __align8 q_intra_matrix[64];
+ DECLARE_ALIGNED_16(DCTELEM, block[6][64]);
+ DECLARE_ALIGNED_8(uint16_t, intra_matrix[64]);
+ DECLARE_ALIGNED_8(int, q_intra_matrix[64]);
uint8_t *bitstream_buffer;
unsigned int bitstream_buffer_size;
int block_last_index[6];
{
int level, diff, i, j, run;
int component;
- RLTable *rl = &rl_mpeg1;
+ RLTable *rl = &ff_rl_mpeg1;
uint8_t * const scantable= a->scantable.permutated;
const uint16_t *quant_matrix= ff_mpeg1_default_intra_matrix;
const int qscale= a->qscale;
static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ const uint8_t *buf, int buf_size)
{
MDECContext * const a = avctx->priv_data;
AVFrame *picture = data;
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
- p->pict_type= I_TYPE;
+ p->pict_type= FF_I_TYPE;
p->key_frame= 1;
- a->last_dc[0]=
- a->last_dc[1]=
- a->last_dc[2]= 0;
a->bitstream_buffer= av_fast_realloc(a->bitstream_buffer, &a->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
for(i=0; i<buf_size; i+=2){
a->qscale= get_bits(&a->gb, 16);
a->version= get_bits(&a->gb, 16);
+ a->last_dc[0]=
+ a->last_dc[1]=
+ a->last_dc[2]= 128;
+
// printf("qscale:%d (0x%X), version:%d (0x%X)\n", a->qscale, a->qscale, a->version, a->version);
for(a->mb_x=0; a->mb_x<a->mb_width; a->mb_x++){
return (get_bits_count(&a->gb)+31)/32*4;
}
-static void mdec_common_init(AVCodecContext *avctx){
+static av_cold void mdec_common_init(AVCodecContext *avctx){
MDECContext * const a = avctx->priv_data;
dsputil_init(&a->dsp, avctx);
a->avctx= avctx;
}
-static int decode_init(AVCodecContext *avctx){
+static av_cold int decode_init(AVCodecContext *avctx){
MDECContext * const a = avctx->priv_data;
AVFrame *p= (AVFrame*)&a->picture;
return 0;
}
-static int decode_end(AVCodecContext *avctx){
+static av_cold int decode_end(AVCodecContext *avctx){
MDECContext * const a = avctx->priv_data;
av_freep(&a->bitstream_buffer);
decode_end,
decode_frame,
CODEC_CAP_DR1,
+ .long_name= NULL_IF_CONFIG_SMALL("Sony PlayStation MDEC (Motion DECoder)"),
};