diff options
Diffstat (limited to 'libavcodec/proresdec.c')
| -rw-r--r-- | libavcodec/proresdec.c | 39 |
1 files changed, 15 insertions, 24 deletions
diff --git a/libavcodec/proresdec.c b/libavcodec/proresdec.c index f4c6b6d951..27226c04ca 100644 --- a/libavcodec/proresdec.c +++ b/libavcodec/proresdec.c @@ -53,7 +53,7 @@ typedef struct { typedef struct { ProresDSPContext dsp; - AVFrame picture; + AVFrame *frame; ScanTable scantable; int scantable_type; ///< -1 = uninitialized, 0 = progressive, 1/2 = interlaced @@ -88,11 +88,6 @@ static av_cold int decode_init(AVCodecContext *avctx) avctx->bits_per_raw_sample = PRORES_BITS_PER_SAMPLE; ff_proresdsp_init(&ctx->dsp); - avctx->coded_frame = &ctx->picture; - avcodec_get_frame_defaults(&ctx->picture); - ctx->picture.type = AV_PICTURE_TYPE_I; - ctx->picture.key_frame = 1; - ctx->scantable_type = -1; // set scantable type to uninitialized memset(ctx->qmat_luma, 4, 64); memset(ctx->qmat_chroma, 4, 64); @@ -163,10 +158,10 @@ static int decode_frame_header(ProresContext *ctx, const uint8_t *buf, } if (ctx->frame_type) { /* if interlaced */ - ctx->picture.interlaced_frame = 1; - ctx->picture.top_field_first = ctx->frame_type & 1; + ctx->frame->interlaced_frame = 1; + ctx->frame->top_field_first = ctx->frame_type & 1; } else { - ctx->picture.interlaced_frame = 0; + ctx->frame->interlaced_frame = 0; } avctx->color_primaries = buf[14]; @@ -247,8 +242,8 @@ static int decode_picture_header(ProresContext *ctx, const uint8_t *buf, ctx->num_x_mbs = (avctx->width + 15) >> 4; ctx->num_y_mbs = (avctx->height + - (1 << (4 + ctx->picture.interlaced_frame)) - 1) >> - (4 + ctx->picture.interlaced_frame); + (1 << (4 + ctx->frame->interlaced_frame)) - 1) >> + (4 + ctx->frame->interlaced_frame); remainder = ctx->num_x_mbs & ((1 << slice_width_factor) - 1); num_x_slices = (ctx->num_x_mbs >> slice_width_factor) + (remainder & 1) + @@ -482,7 +477,7 @@ static int decode_slice(AVCodecContext *avctx, void *tdata) int mbs_per_slice = td->slice_width; const uint8_t *buf; uint8_t *y_data, *u_data, *v_data; - AVFrame *pic = avctx->coded_frame; + AVFrame *pic = ctx->frame; int i, sf, slice_width_factor; int slice_data_size, hdr_size, y_data_size, u_data_size, v_data_size; int y_linesize, u_linesize, v_linesize; @@ -606,11 +601,14 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { ProresContext *ctx = avctx->priv_data; - AVFrame *picture = avctx->coded_frame; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; int frame_hdr_size, pic_num, pic_data_size; + ctx->frame = data; + ctx->frame->pict_type = AV_PICTURE_TYPE_I; + ctx->frame->key_frame = 1; + /* check frame atom container */ if (buf_size < 28 || buf_size < AV_RB32(buf) || AV_RB32(buf + 4) != FRAME_ID) { @@ -626,14 +624,10 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, MOVE_DATA_PTR(frame_hdr_size); - if (picture->data[0]) - avctx->release_buffer(avctx, picture); - - picture->reference = 0; - if (ff_get_buffer(avctx, picture) < 0) + if (ff_get_buffer(avctx, ctx->frame, 0) < 0) return -1; - for (pic_num = 0; ctx->picture.interlaced_frame - pic_num + 1; pic_num++) { + for (pic_num = 0; ctx->frame->interlaced_frame - pic_num + 1; pic_num++) { pic_data_size = decode_picture_header(ctx, buf, buf_size, avctx); if (pic_data_size < 0) return AVERROR_INVALIDDATA; @@ -644,8 +638,8 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, MOVE_DATA_PTR(pic_data_size); } - *got_frame = 1; - *(AVFrame*) data = *avctx->coded_frame; + ctx->frame = NULL; + *got_frame = 1; return avpkt->size; } @@ -655,9 +649,6 @@ static av_cold int decode_close(AVCodecContext *avctx) { ProresContext *ctx = avctx->priv_data; - if (ctx->picture.data[0]) - avctx->release_buffer(avctx, &ctx->picture); - av_freep(&ctx->slice_data); return 0; |