*/
#include "avcodec.h"
+#include "blockdsp.h"
+#include "bswapdsp.h"
#include "get_bits.h"
-#include "dsputil.h"
#include "aandcttab.h"
#include "eaidct.h"
+#include "idctdsp.h"
#include "internal.h"
#include "mpeg12.h"
#include "mpegvideo.h"
typedef struct TqiContext {
MpegEncContext s;
- AVFrame frame;
+ BswapDSPContext bsdsp;
void *bitstream_buf;
unsigned int bitstream_buf_size;
- DECLARE_ALIGNED(16, DCTELEM, block)[6][64];
+ DECLARE_ALIGNED(16, int16_t, block)[6][64];
} TqiContext;
static av_cold int tqi_decode_init(AVCodecContext *avctx)
TqiContext *t = avctx->priv_data;
MpegEncContext *s = &t->s;
s->avctx = avctx;
- ff_dsputil_init(&s->dsp, avctx);
- ff_init_scantable_permutation(s->dsp.idct_permutation, FF_NO_IDCT_PERM);
- ff_init_scantable(s->dsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct);
+ ff_blockdsp_init(&s->bdsp, avctx);
+ ff_bswapdsp_init(&t->bsdsp);
+ ff_idctdsp_init(&s->idsp, avctx);
+ ff_init_scantable_permutation(s->idsp.idct_permutation, FF_IDCT_PERM_NONE);
+ ff_init_scantable(s->idsp.idct_permutation, &s->intra_scantable, ff_zigzag_direct);
s->qscale = 1;
- avctx->time_base = (AVRational){1, 15};
+ avctx->framerate = (AVRational){ 15, 1 };
avctx->pix_fmt = AV_PIX_FMT_YUV420P;
ff_mpeg12_init_vlcs();
return 0;
}
-static int tqi_decode_mb(MpegEncContext *s, DCTELEM (*block)[64])
+static int tqi_decode_mb(MpegEncContext *s, int16_t (*block)[64])
{
int n;
- s->dsp.clear_blocks(block[0]);
+ s->bdsp.clear_blocks(block[0]);
for (n=0; n<6; n++)
if (ff_mpeg1_decode_block_intra(s, block[n], n) < 0)
return -1;
return 0;
}
-static inline void tqi_idct_put(TqiContext *t, DCTELEM (*block)[64])
+static inline void tqi_idct_put(TqiContext *t, AVFrame *frame, int16_t (*block)[64])
{
MpegEncContext *s = &t->s;
- int linesize= t->frame.linesize[0];
- uint8_t *dest_y = t->frame.data[0] + (s->mb_y * 16* linesize ) + s->mb_x * 16;
- uint8_t *dest_cb = t->frame.data[1] + (s->mb_y * 8 * t->frame.linesize[1]) + s->mb_x * 8;
- uint8_t *dest_cr = t->frame.data[2] + (s->mb_y * 8 * t->frame.linesize[2]) + s->mb_x * 8;
+ int linesize = frame->linesize[0];
+ uint8_t *dest_y = frame->data[0] + (s->mb_y * 16* linesize ) + s->mb_x * 16;
+ uint8_t *dest_cb = frame->data[1] + (s->mb_y * 8 * frame->linesize[1]) + s->mb_x * 8;
+ uint8_t *dest_cr = frame->data[2] + (s->mb_y * 8 * frame->linesize[2]) + s->mb_x * 8;
ff_ea_idct_put_c(dest_y , linesize, block[0]);
ff_ea_idct_put_c(dest_y + 8, linesize, block[1]);
ff_ea_idct_put_c(dest_y + 8*linesize , linesize, block[2]);
ff_ea_idct_put_c(dest_y + 8*linesize + 8, linesize, block[3]);
- if(!(s->avctx->flags&CODEC_FLAG_GRAY)) {
- ff_ea_idct_put_c(dest_cb, t->frame.linesize[1], block[4]);
- ff_ea_idct_put_c(dest_cr, t->frame.linesize[2], block[5]);
+ if(!(s->avctx->flags & AV_CODEC_FLAG_GRAY)) {
+ ff_ea_idct_put_c(dest_cb, frame->linesize[1], block[4]);
+ ff_ea_idct_put_c(dest_cr, frame->linesize[2], block[5]);
}
}
}
static int tqi_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = buf+buf_size;
TqiContext *t = avctx->priv_data;
MpegEncContext *s = &t->s;
+ AVFrame *frame = data;
+ int ret;
s->width = AV_RL16(&buf[0]);
s->height = AV_RL16(&buf[2]);
tqi_calculate_qtable(s, buf[4]);
buf += 8;
- if (t->frame.data[0])
- avctx->release_buffer(avctx, &t->frame);
+ ret = ff_set_dimensions(s->avctx, s->width, s->height);
+ if (ret < 0)
+ return ret;
- if (s->avctx->width!=s->width || s->avctx->height!=s->height)
- avcodec_set_dimensions(s->avctx, s->width, s->height);
-
- if(ff_get_buffer(avctx, &t->frame) < 0) {
+ if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
- return -1;
+ return ret;
}
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(t->bitstream_buf, (const uint32_t*)buf, (buf_end-buf)/4);
+ t->bsdsp.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;
{
if (tqi_decode_mb(s, t->block) < 0)
break;
- tqi_idct_put(t, t->block);
+ tqi_idct_put(t, frame, t->block);
}
- *data_size = sizeof(AVFrame);
- *(AVFrame*)data = t->frame;
+ *got_frame = 1;
return buf_size;
}
static av_cold int tqi_decode_end(AVCodecContext *avctx)
{
TqiContext *t = avctx->priv_data;
- if(t->frame.data[0])
- avctx->release_buffer(avctx, &t->frame);
av_free(t->bitstream_buf);
return 0;
}
AVCodec ff_eatqi_decoder = {
.name = "eatqi",
+ .long_name = NULL_IF_CONFIG_SMALL("Electronic Arts TQI Video"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_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"),
+ .capabilities = AV_CODEC_CAP_DR1,
};
projects / ffmpeg / blobdiff