static int tqi_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
const uint8_t *buf_end = buf+buf_size;
TqiContext *t = avctx->priv_data;
MpegEncContext *s = &t->s;
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);
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) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
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);
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++)
{
if (tqi_decode_mb(s, t->block) < 0)
goto end;
tqi_idct_put(t, t->block);
}
end:
*got_frame = 1;
*(AVFrame*)data = t->frame;
return buf_size;
}
static int tqi_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
const uint8_t *buf_end = buf+buf_size;
TqiContext *t = avctx->priv_data;
AVFrame *frame = data;
int ret, w, h;
w = AV_RL16(&buf[0]);
h = AV_RL16(&buf[2]);
tqi_calculate_qtable(t, buf[4]);
buf += 8;
ret = ff_set_dimensions(avctx, w, h);
if (ret < 0)
return ret;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
av_fast_padded_malloc(&t->bitstream_buf, &t->bitstream_buf_size,
buf_end - buf);
if (!t->bitstream_buf)
return AVERROR(ENOMEM);
t->bsdsp.bswap_buf(t->bitstream_buf, (const uint32_t *) buf,
(buf_end - buf) / 4);
init_get_bits(&t->gb, t->bitstream_buf, 8 * (buf_end - buf));
t->last_dc[0] =
t->last_dc[1] =
t->last_dc[2] = 0;
for (t->mb_y = 0; t->mb_y < (h + 15) / 16; t->mb_y++) {
for (t->mb_x = 0; t->mb_x < (w + 15) / 16; t->mb_x++) {
if (tqi_decode_mb(t, t->block) < 0)
break;
tqi_idct_put(avctx, frame, t->block);
}
}
*got_frame = 1;
return buf_size;
}
static int tqi_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
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;
ret = ff_set_dimensions(s->avctx, s->width, s->height);
if (ret < 0)
return ret;
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
return ret;
av_fast_padded_malloc(&t->bitstream_buf, &t->bitstream_buf_size,
buf_end - buf);
if (!t->bitstream_buf)
return AVERROR(ENOMEM);
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;
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++)
{
if (tqi_decode_mb(s, t->block) < 0)
goto end;
tqi_idct_put(t, frame, t->block);
}
end:
*got_frame = 1;
return buf_size;
}