diff --git a/libavcodec/sp5xdec.c b/libavcodec/sp5xdec.c index b047f9c7af..67fbaf462a 100644 --- a/libavcodec/sp5xdec.c +++ b/libavcodec/sp5xdec.c @@ -37,9 +37,6 @@ static int sp5x_decode_frame(AVCodecContext *avctx, const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; AVPacket avpkt_recoded; -#if 0 - MJpegDecodeContext *s = avctx->priv_data; -#endif const int qscale = 5; const uint8_t *buf_ptr; uint8_t *recoded; @@ -50,7 +47,6 @@ static int sp5x_decode_frame(AVCodecContext *avctx, buf_ptr = buf; -#if 1 recoded = av_mallocz(buf_size + 1024); if (!recoded) return -1; @@ -98,98 +94,6 @@ static int sp5x_decode_frame(AVCodecContext *avctx, av_free(recoded); -#else - /* SOF */ - s->bits = 8; - s->width = avctx->coded_width; - s->height = avctx->coded_height; - s->nb_components = 3; - s->component_id[0] = 0; - s->h_count[0] = 2; - s->v_count[0] = 2; - s->quant_index[0] = 0; - s->component_id[1] = 1; - s->h_count[1] = 1; - s->v_count[1] = 1; - s->quant_index[1] = 1; - s->component_id[2] = 2; - s->h_count[2] = 1; - s->v_count[2] = 1; - s->quant_index[2] = 1; - s->h_max = 2; - s->v_max = 2; - - s->qscale_table = av_mallocz((s->width+15)/16); - avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV420P : PIX_FMT_YUVJ420; - s->interlaced = 0; - - s->picture.reference = 0; - if (avctx->get_buffer(avctx, &s->picture) < 0) - { - av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); - return -1; - } - - s->picture.pict_type = FF_I_TYPE; - s->picture.key_frame = 1; - - for (i = 0; i < 3; i++) - s->linesize[i] = s->picture.linesize[i] << s->interlaced; - - /* DQT */ - for (i = 0; i < 64; i++) - { - j = s->scantable.permutated[i]; - s->quant_matrixes[0][j] = sp5x_quant_table[(qscale * 2) + i]; - } - s->qscale[0] = FFMAX( - s->quant_matrixes[0][s->scantable.permutated[1]], - s->quant_matrixes[0][s->scantable.permutated[8]]) >> 1; - - for (i = 0; i < 64; i++) - { - j = s->scantable.permutated[i]; - s->quant_matrixes[1][j] = sp5x_quant_table[(qscale * 2) + 1 + i]; - } - s->qscale[1] = FFMAX( - s->quant_matrixes[1][s->scantable.permutated[1]], - s->quant_matrixes[1][s->scantable.permutated[8]]) >> 1; - - /* DHT */ - - /* SOS */ - s->comp_index[0] = 0; - s->nb_blocks[0] = s->h_count[0] * s->v_count[0]; - s->h_scount[0] = s->h_count[0]; - s->v_scount[0] = s->v_count[0]; - s->dc_index[0] = 0; - s->ac_index[0] = 0; - - s->comp_index[1] = 1; - s->nb_blocks[1] = s->h_count[1] * s->v_count[1]; - s->h_scount[1] = s->h_count[1]; - s->v_scount[1] = s->v_count[1]; - s->dc_index[1] = 1; - s->ac_index[1] = 1; - - s->comp_index[2] = 2; - s->nb_blocks[2] = s->h_count[2] * s->v_count[2]; - s->h_scount[2] = s->h_count[2]; - s->v_scount[2] = s->v_count[2]; - s->dc_index[2] = 1; - s->ac_index[2] = 1; - - for (i = 0; i < 3; i++) - s->last_dc[i] = 1024; - - s->mb_width = (s->width * s->h_max * 8 -1) / (s->h_max * 8); - s->mb_height = (s->height * s->v_max * 8 -1) / (s->v_max * 8); - - init_get_bits(&s->gb, buf+14, (buf_size-14)*8); - - return mjpeg_decode_scan(s); -#endif - return i; }