}
static int mjpegb_decode_frame(AVCodecContext *avctx,
- void *data, int *data_size,
+ void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MJpegDecodeContext *s = avctx->priv_data;
const uint8_t *buf_end, *buf_ptr;
- AVFrame *picture = data;
GetBitContext hgb; /* for the header */
uint32_t dqt_offs, dht_offs, sof_offs, sos_offs, second_field_offs;
uint32_t field_size, sod_offs;
+ int ret;
buf_ptr = buf;
buf_end = buf + buf_size;
//XXX FIXME factorize, this looks very similar to the EOI code
- *picture= *s->picture_ptr;
- *data_size = sizeof(AVFrame);
-
- if(!s->lossless){
- picture->quality= FFMAX3(s->qscale[0], s->qscale[1], s->qscale[2]);
- picture->qstride= 0;
- picture->qscale_table= s->qscale_table;
- memset(picture->qscale_table, picture->quality, (s->width+15)/16);
- if(avctx->debug & FF_DEBUG_QP)
- av_log(avctx, AV_LOG_DEBUG, "QP: %d\n", picture->quality);
- picture->quality*= FF_QP2LAMBDA;
+ if ((ret = av_frame_ref(data, s->picture_ptr)) < 0)
+ return ret;
+ *got_frame = 1;
+
+ if (!s->lossless && avctx->debug & FF_DEBUG_QP) {
+ av_log(avctx, AV_LOG_DEBUG, "QP: %d\n",
+ FFMAX3(s->qscale[0], s->qscale[1], s->qscale[2]));
}
return buf_size;
AVCodec ff_mjpegb_decoder = {
.name = "mjpegb",
+ .long_name = NULL_IF_CONFIG_SMALL("Apple MJPEG-B"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MJPEGB,
.priv_data_size = sizeof(MJpegDecodeContext),
.close = ff_mjpeg_decode_end,
.decode = mjpegb_decode_frame,
.capabilities = CODEC_CAP_DR1,
- .long_name = NULL_IF_CONFIG_SMALL("Apple MJPEG-B"),
};