* ASUS V1/V2 codec
* Copyright (c) 2003 Michael Niedermayer
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of Libav.
+ *
+ * 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 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,
+ * 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 this library; 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
*/
/**
- * @file asv1.c
+ * @file
* ASUS V1/V2 codec.
*/
#include "avcodec.h"
+#include "libavutil/common.h"
+#include "put_bits.h"
#include "dsputil.h"
-#include "mpegvideo.h"
+#include "mpeg12data.h"
//#undef NDEBUG
//#include <assert.h>
int mb_height;
int mb_width2;
int mb_height2;
- DECLARE_ALIGNED_8(DCTELEM, block[6][64]);
- DECLARE_ALIGNED_8(uint16_t, intra_matrix[64]);
- DECLARE_ALIGNED_8(int, q_intra_matrix[64]);
+ DECLARE_ALIGNED(16, DCTELEM, block)[6][64];
+ uint16_t intra_matrix[64];
+ int q_intra_matrix[64];
uint8_t *bitstream_buffer;
unsigned int bitstream_buffer_size;
} ASV1Context;
static VLC ac_ccp_vlc;
static VLC asv2_level_vlc;
-static void init_vlcs(ASV1Context *a){
+static av_cold void init_vlcs(ASV1Context *a){
static int done = 0;
if (!done) {
done = 1;
- init_vlc(&ccp_vlc, VLC_BITS, 17,
+ INIT_VLC_STATIC(&ccp_vlc, VLC_BITS, 17,
&ccp_tab[0][1], 2, 1,
- &ccp_tab[0][0], 2, 1, 1);
- init_vlc(&dc_ccp_vlc, VLC_BITS, 8,
+ &ccp_tab[0][0], 2, 1, 64);
+ INIT_VLC_STATIC(&dc_ccp_vlc, VLC_BITS, 8,
&dc_ccp_tab[0][1], 2, 1,
- &dc_ccp_tab[0][0], 2, 1, 1);
- init_vlc(&ac_ccp_vlc, VLC_BITS, 16,
+ &dc_ccp_tab[0][0], 2, 1, 64);
+ INIT_VLC_STATIC(&ac_ccp_vlc, VLC_BITS, 16,
&ac_ccp_tab[0][1], 2, 1,
- &ac_ccp_tab[0][0], 2, 1, 1);
- init_vlc(&level_vlc, VLC_BITS, 7,
+ &ac_ccp_tab[0][0], 2, 1, 64);
+ INIT_VLC_STATIC(&level_vlc, VLC_BITS, 7,
&level_tab[0][1], 2, 1,
- &level_tab[0][0], 2, 1, 1);
- init_vlc(&asv2_level_vlc, ASV2_LEVEL_VLC_BITS, 63,
+ &level_tab[0][0], 2, 1, 64);
+ INIT_VLC_STATIC(&asv2_level_vlc, ASV2_LEVEL_VLC_BITS, 63,
&asv2_level_tab[0][1], 2, 1,
- &asv2_level_tab[0][0], 2, 1, 1);
+ &asv2_level_tab[0][0], 2, 1, 1024);
}
}
//FIXME write a reversed bitstream reader to avoid the double reverse
static inline int asv2_get_bits(GetBitContext *gb, int n){
- return ff_reverse[ get_bits(gb, n) << (8-n) ];
+ return av_reverse[ get_bits(gb, n) << (8-n) ];
}
static inline void asv2_put_bits(PutBitContext *pb, int n, int v){
- put_bits(pb, n, ff_reverse[ v << (8-n) ]);
+ put_bits(pb, n, av_reverse[ v << (8-n) ]);
}
static inline int asv1_get_level(GetBitContext *gb){
if(index <= 6) put_bits(pb, level_tab[index][1], level_tab[index][0]);
else{
put_bits(pb, level_tab[3][1], level_tab[3][0]);
- put_bits(pb, 8, level&0xFF);
+ put_sbits(pb, 8, level);
}
}
return 0;
}
+#define MAX_MB_SIZE (30*16*16*3/2/8)
+
static inline int encode_mb(ASV1Context *a, DCTELEM block[6][64]){
int i;
- if(a->pb.buf_end - a->pb.buf - (put_bits_count(&a->pb)>>3) < 30*16*16*3/2/8){
+ if (a->pb.buf_end - a->pb.buf - (put_bits_count(&a->pb)>>3) < MAX_MB_SIZE) {
av_log(a->avctx, AV_LOG_ERROR, "encoded frame too large\n");
return -1;
}
static int decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
- uint8_t *buf, int buf_size)
+ AVPacket *avpkt)
{
+ const uint8_t *buf = avpkt->data;
+ int buf_size = avpkt->size;
ASV1Context * const a = avctx->priv_data;
AVFrame *picture = data;
- AVFrame * const p= (AVFrame*)&a->picture;
+ AVFrame * const p= &a->picture;
int mb_x, mb_y;
if(p->data[0])
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
- p->pict_type= I_TYPE;
+ p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
- a->bitstream_buffer= av_fast_realloc(a->bitstream_buffer, &a->bitstream_buffer_size, buf_size + FF_INPUT_BUFFER_PADDING_SIZE);
+ av_fast_padded_malloc(&a->bitstream_buffer, &a->bitstream_buffer_size,
+ buf_size);
+ if (!a->bitstream_buffer)
+ return AVERROR(ENOMEM);
if(avctx->codec_id == CODEC_ID_ASV1)
- a->dsp.bswap_buf((uint32_t*)a->bitstream_buffer, (uint32_t*)buf, buf_size/4);
+ a->dsp.bswap_buf((uint32_t*)a->bitstream_buffer, (const uint32_t*)buf, buf_size/4);
else{
int i;
for(i=0; i<buf_size; i++)
- a->bitstream_buffer[i]= ff_reverse[ buf[i] ];
+ a->bitstream_buffer[i]= av_reverse[ buf[i] ];
}
init_get_bits(&a->gb, a->bitstream_buffer, buf_size*8);
idct_put(a, mb_x, mb_y);
}
}
-#if 0
-int i;
-printf("%d %d\n", 8*buf_size, get_bits_count(&a->gb));
-for(i=get_bits_count(&a->gb); i<8*buf_size; i++){
- printf("%d", get_bits1(&a->gb));
-}
-
-for(i=0; i<s->avctx->extradata_size; i++){
- printf("%c\n", ((uint8_t*)s->avctx->extradata)[i]);
-}
-#endif
- *picture= *(AVFrame*)&a->picture;
+ *picture = a->picture;
*data_size = sizeof(AVPicture);
emms_c();
return (get_bits_count(&a->gb)+31)/32*4;
}
-#ifdef CONFIG_ENCODERS
-static int encode_frame(AVCodecContext *avctx, unsigned char *buf, int buf_size, void *data){
+#if CONFIG_ASV1_ENCODER || CONFIG_ASV2_ENCODER
+static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
+ const AVFrame *pict, int *got_packet)
+{
ASV1Context * const a = avctx->priv_data;
- AVFrame *pict = data;
- AVFrame * const p= (AVFrame*)&a->picture;
- int size;
+ AVFrame * const p= &a->picture;
+ int size, ret;
int mb_x, mb_y;
- init_put_bits(&a->pb, buf, buf_size);
+ if (!pkt->data &&
+ (ret = av_new_packet(pkt, a->mb_height*a->mb_width*MAX_MB_SIZE +
+ FF_MIN_BUFFER_SIZE)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
+ return ret;
+ }
+
+ init_put_bits(&a->pb, pkt->data, pkt->size);
*p = *pict;
- p->pict_type= I_TYPE;
+ p->pict_type= AV_PICTURE_TYPE_I;
p->key_frame= 1;
for(mb_y=0; mb_y<a->mb_height2; mb_y++){
}
emms_c();
- align_put_bits(&a->pb);
+ avpriv_align_put_bits(&a->pb);
while(put_bits_count(&a->pb)&31)
put_bits(&a->pb, 8, 0);
size= put_bits_count(&a->pb)/32;
if(avctx->codec_id == CODEC_ID_ASV1)
- a->dsp.bswap_buf((uint32_t*)buf, (uint32_t*)buf, size);
+ a->dsp.bswap_buf((uint32_t*)pkt->data, (uint32_t*)pkt->data, size);
else{
int i;
for(i=0; i<4*size; i++)
- buf[i]= ff_reverse[ buf[i] ];
+ pkt->data[i] = av_reverse[pkt->data[i]];
}
- return size*4;
+ pkt->size = size*4;
+ pkt->flags |= AV_PKT_FLAG_KEY;
+ *got_packet = 1;
+
+ return 0;
}
-#endif /* CONFIG_ENCODERS */
+#endif /* CONFIG_ASV1_ENCODER || CONFIG_ASV2_ENCODER */
-static void common_init(AVCodecContext *avctx){
+static av_cold void common_init(AVCodecContext *avctx){
ASV1Context * const a = avctx->priv_data;
- dsputil_init(&a->dsp, avctx);
+ ff_dsputil_init(&a->dsp, avctx);
a->mb_width = (avctx->width + 15) / 16;
a->mb_height = (avctx->height + 15) / 16;
a->mb_width2 = (avctx->width + 0) / 16;
a->mb_height2 = (avctx->height + 0) / 16;
- avctx->coded_frame= (AVFrame*)&a->picture;
+ avctx->coded_frame= &a->picture;
a->avctx= avctx;
}
-static int decode_init(AVCodecContext *avctx){
+static av_cold int decode_init(AVCodecContext *avctx){
ASV1Context * const a = avctx->priv_data;
- AVFrame *p= (AVFrame*)&a->picture;
+ AVFrame *p= &a->picture;
int i;
const int scale= avctx->codec_id == CODEC_ID_ASV1 ? 1 : 2;
ff_init_scantable(a->dsp.idct_permutation, &a->scantable, scantab);
avctx->pix_fmt= PIX_FMT_YUV420P;
- a->inv_qscale= ((uint8_t*)avctx->extradata)[0];
+ a->inv_qscale= avctx->extradata[0];
if(a->inv_qscale == 0){
av_log(avctx, AV_LOG_ERROR, "illegal qscale 0\n");
if(avctx->codec_id == CODEC_ID_ASV1)
return 0;
}
-#ifdef CONFIG_ENCODERS
-static int encode_init(AVCodecContext *avctx){
+#if CONFIG_ASV1_ENCODER || CONFIG_ASV2_ENCODER
+static av_cold int encode_init(AVCodecContext *avctx){
ASV1Context * const a = avctx->priv_data;
int i;
const int scale= avctx->codec_id == CODEC_ID_ASV1 ? 1 : 2;
avctx->extradata= av_mallocz(8);
avctx->extradata_size=8;
- ((uint32_t*)avctx->extradata)[0]= le2me_32(a->inv_qscale);
- ((uint32_t*)avctx->extradata)[1]= le2me_32(ff_get_fourcc("ASUS"));
+ ((uint32_t*)avctx->extradata)[0]= av_le2ne32(a->inv_qscale);
+ ((uint32_t*)avctx->extradata)[1]= av_le2ne32(AV_RL32("ASUS"));
for(i=0; i<64; i++){
int q= 32*scale*ff_mpeg1_default_intra_matrix[i];
return 0;
}
-#endif
+#endif /* CONFIG_ASV1_ENCODER || CONFIG_ASV2_ENCODER */
-static int decode_end(AVCodecContext *avctx){
+static av_cold int decode_end(AVCodecContext *avctx){
ASV1Context * const a = avctx->priv_data;
av_freep(&a->bitstream_buffer);
av_freep(&a->picture.qscale_table);
a->bitstream_buffer_size=0;
+ if(a->picture.data[0])
+ avctx->release_buffer(avctx, &a->picture);
+
return 0;
}
-AVCodec asv1_decoder = {
- "asv1",
- CODEC_TYPE_VIDEO,
- CODEC_ID_ASV1,
- sizeof(ASV1Context),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- CODEC_CAP_DR1,
+AVCodec ff_asv1_decoder = {
+ .name = "asv1",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_ASV1,
+ .priv_data_size = sizeof(ASV1Context),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("ASUS V1"),
};
-AVCodec asv2_decoder = {
- "asv2",
- CODEC_TYPE_VIDEO,
- CODEC_ID_ASV2,
- sizeof(ASV1Context),
- decode_init,
- NULL,
- decode_end,
- decode_frame,
- CODEC_CAP_DR1,
+AVCodec ff_asv2_decoder = {
+ .name = "asv2",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_ASV2,
+ .priv_data_size = sizeof(ASV1Context),
+ .init = decode_init,
+ .close = decode_end,
+ .decode = decode_frame,
+ .capabilities = CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("ASUS V2"),
};
-#ifdef CONFIG_ENCODERS
-
-AVCodec asv1_encoder = {
- "asv1",
- CODEC_TYPE_VIDEO,
- CODEC_ID_ASV1,
- sizeof(ASV1Context),
- encode_init,
- encode_frame,
- //encode_end,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
+#if CONFIG_ASV1_ENCODER
+AVCodec ff_asv1_encoder = {
+ .name = "asv1",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_ASV1,
+ .priv_data_size = sizeof(ASV1Context),
+ .init = encode_init,
+ .encode2 = encode_frame,
+ .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUV420P, PIX_FMT_NONE },
+ .long_name = NULL_IF_CONFIG_SMALL("ASUS V1"),
};
+#endif
-AVCodec asv2_encoder = {
- "asv2",
- CODEC_TYPE_VIDEO,
- CODEC_ID_ASV2,
- sizeof(ASV1Context),
- encode_init,
- encode_frame,
- //encode_end,
- .pix_fmts= (enum PixelFormat[]){PIX_FMT_YUV420P, -1},
+#if CONFIG_ASV2_ENCODER
+AVCodec ff_asv2_encoder = {
+ .name = "asv2",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = CODEC_ID_ASV2,
+ .priv_data_size = sizeof(ASV1Context),
+ .init = encode_init,
+ .encode2 = encode_frame,
+ .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUV420P, PIX_FMT_NONE },
+ .long_name = NULL_IF_CONFIG_SMALL("ASUS V2"),
};
-
-#endif //CONFIG_ENCODERS
+#endif
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