#include "asv.h"
#include "avcodec.h"
+#include "blockdsp.h"
#include "put_bits.h"
-#include "dsputil.h"
+#include "idctdsp.h"
#include "internal.h"
#include "mathops.h"
#include "mpeg12data.h"
-//#undef NDEBUG
-//#include <assert.h>
-
#define VLC_BITS 6
#define ASV2_LEVEL_VLC_BITS 10
return code - 31;
}
-static inline int asv1_decode_block(ASV1Context *a, DCTELEM block[64])
+static inline int asv1_decode_block(ASV1Context *a, int16_t block[64])
{
int i;
break;
if (ccp < 0 || i >= 10) {
av_log(a->avctx, AV_LOG_ERROR, "coded coeff pattern damaged\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
if (ccp & 8)
return 0;
}
-static inline int asv2_decode_block(ASV1Context *a, DCTELEM block[64])
+static inline int asv2_decode_block(ASV1Context *a, int16_t block[64])
{
int i, count, ccp;
return 0;
}
-static inline int decode_mb(ASV1Context *a, DCTELEM block[6][64])
+static inline int decode_mb(ASV1Context *a, int16_t block[6][64])
{
int i;
- a->dsp.clear_blocks(block[0]);
+ a->bdsp.clear_blocks(block[0]);
if (a->avctx->codec_id == AV_CODEC_ID_ASV1) {
for (i = 0; i < 6; i++) {
return 0;
}
-static inline void idct_put(ASV1Context *a, int mb_x, int mb_y)
+static inline void idct_put(ASV1Context *a, AVFrame *frame, int mb_x, int mb_y)
{
- DCTELEM (*block)[64] = a->block;
- int linesize = a->picture.linesize[0];
+ int16_t (*block)[64] = a->block;
+ int linesize = frame->linesize[0];
- uint8_t *dest_y = a->picture.data[0] + (mb_y * 16* linesize ) + mb_x * 16;
- uint8_t *dest_cb = a->picture.data[1] + (mb_y * 8 * a->picture.linesize[1]) + mb_x * 8;
- uint8_t *dest_cr = a->picture.data[2] + (mb_y * 8 * a->picture.linesize[2]) + mb_x * 8;
+ uint8_t *dest_y = frame->data[0] + (mb_y * 16* linesize ) + mb_x * 16;
+ uint8_t *dest_cb = frame->data[1] + (mb_y * 8 * frame->linesize[1]) + mb_x * 8;
+ uint8_t *dest_cr = frame->data[2] + (mb_y * 8 * frame->linesize[2]) + mb_x * 8;
- a->dsp.idct_put(dest_y , linesize, block[0]);
- a->dsp.idct_put(dest_y + 8, linesize, block[1]);
- a->dsp.idct_put(dest_y + 8*linesize , linesize, block[2]);
- a->dsp.idct_put(dest_y + 8*linesize + 8, linesize, block[3]);
+ a->idsp.idct_put(dest_y, linesize, block[0]);
+ a->idsp.idct_put(dest_y + 8, linesize, block[1]);
+ a->idsp.idct_put(dest_y + 8 * linesize, linesize, block[2]);
+ a->idsp.idct_put(dest_y + 8 * linesize + 8, linesize, block[3]);
if (!(a->avctx->flags&CODEC_FLAG_GRAY)) {
- a->dsp.idct_put(dest_cb, a->picture.linesize[1], block[4]);
- a->dsp.idct_put(dest_cr, a->picture.linesize[2], block[5]);
+ a->idsp.idct_put(dest_cb, frame->linesize[1], block[4]);
+ a->idsp.idct_put(dest_cr, frame->linesize[2], block[5]);
}
}
ASV1Context * const a = avctx->priv_data;
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
- AVFrame *picture = data;
- AVFrame * const p = &a->picture;
- int mb_x, mb_y;
+ AVFrame * const p = data;
+ int mb_x, mb_y, ret;
- if (p->data[0])
- avctx->release_buffer(avctx, p);
-
- p->reference = 0;
- if (ff_get_buffer(avctx, p) < 0) {
+ if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ return ret;
}
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
return AVERROR(ENOMEM);
if (avctx->codec_id == AV_CODEC_ID_ASV1)
- a->dsp.bswap_buf((uint32_t*)a->bitstream_buffer, (const uint32_t*)buf, buf_size/4);
+ a->bbdsp.bswap_buf((uint32_t *) a->bitstream_buffer,
+ (const uint32_t *) buf, buf_size / 4);
else {
int i;
for (i = 0; i < buf_size; i++)
for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
for (mb_x = 0; mb_x < a->mb_width2; mb_x++) {
- if (decode_mb(a, a->block) < 0)
- return -1;
+ if ((ret = decode_mb(a, a->block)) < 0)
+ return ret;
- idct_put(a, mb_x, mb_y);
+ idct_put(a, p, mb_x, mb_y);
}
}
if (a->mb_width2 != a->mb_width) {
mb_x = a->mb_width2;
for (mb_y = 0; mb_y < a->mb_height2; mb_y++) {
- if (decode_mb(a, a->block) < 0)
- return -1;
+ if ((ret = decode_mb(a, a->block)) < 0)
+ return ret;
- idct_put(a, mb_x, mb_y);
+ idct_put(a, p, mb_x, mb_y);
}
}
if (a->mb_height2 != a->mb_height) {
mb_y = a->mb_height2;
for (mb_x = 0; mb_x < a->mb_width; mb_x++) {
- if (decode_mb(a, a->block) < 0)
- return -1;
+ if ((ret = decode_mb(a, a->block)) < 0)
+ return ret;
- idct_put(a, mb_x, mb_y);
+ idct_put(a, p, mb_x, mb_y);
}
}
- *picture = a->picture;
*got_frame = 1;
emms_c();
static av_cold int decode_init(AVCodecContext *avctx)
{
ASV1Context * const a = avctx->priv_data;
- AVFrame *p = &a->picture;
const int scale = avctx->codec_id == AV_CODEC_ID_ASV1 ? 1 : 2;
int i;
+ if (avctx->extradata_size < 1) {
+ av_log(avctx, AV_LOG_ERROR, "No extradata provided\n");
+ return AVERROR_INVALIDDATA;
+ }
+
ff_asv_common_init(avctx);
+ ff_blockdsp_init(&a->bdsp, avctx);
+ ff_idctdsp_init(&a->idsp, avctx);
init_vlcs(a);
- ff_init_scantable(a->dsp.idct_permutation, &a->scantable, ff_asv_scantab);
+ ff_init_scantable(a->idsp.idct_permutation, &a->scantable, ff_asv_scantab);
avctx->pix_fmt = AV_PIX_FMT_YUV420P;
a->inv_qscale = avctx->extradata[0];
a->intra_matrix[i] = 64 * scale * ff_mpeg1_default_intra_matrix[index] / a->inv_qscale;
}
- p->qstride = a->mb_width;
- p->qscale_table = av_malloc(p->qstride * a->mb_height);
- p->quality = (32 * scale + a->inv_qscale / 2) / a->inv_qscale;
- memset(p->qscale_table, p->quality, p->qstride * a->mb_height);
-
return 0;
}
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 ff_asv1_decoder = {
.name = "asv1",
+ .long_name = NULL_IF_CONFIG_SMALL("ASUS V1"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_ASV1,
.priv_data_size = sizeof(ASV1Context),
.close = decode_end,
.decode = decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("ASUS V1"),
};
AVCodec ff_asv2_decoder = {
.name = "asv2",
+ .long_name = NULL_IF_CONFIG_SMALL("ASUS V2"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_ASV2,
.priv_data_size = sizeof(ASV1Context),
.close = decode_end,
.decode = decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("ASUS V2"),
};
projects / ffmpeg / blobdiff