diff options
author | Anton Khirnov <anton@khirnov.net> | 2012-11-21 21:34:46 +0100 |
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committer | Anton Khirnov <anton@khirnov.net> | 2013-03-08 07:38:30 +0100 |
commit | 759001c534287a96dc96d1e274665feb7059145d (patch) | |
tree | 6ace9560c20aa30db92067c5b45d7bd86e458d10 /libavcodec/cavsdec.c | |
parent | 6e7b50b4270116ded8b874d76cb7c5b1a0341827 (diff) | |
download | ffmpeg-759001c534287a96dc96d1e274665feb7059145d.tar.gz |
lavc decoders: work with refcounted frames.
Diffstat (limited to 'libavcodec/cavsdec.c')
-rw-r--r-- | libavcodec/cavsdec.c | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c index b841f48d13..fbc21c4d81 100644 --- a/libavcodec/cavsdec.c +++ b/libavcodec/cavsdec.c @@ -931,6 +931,8 @@ static int decode_pic(AVSContext *h) int skip_count = -1; enum cavs_mb mb_type; + av_frame_unref(h->cur.f); + skip_bits(&h->gb, 16);//bbv_dwlay if (h->stc == PIC_PB_START_CODE) { h->cur.f->pict_type = get_bits(&h->gb, 2) + AV_PICTURE_TYPE_I; @@ -956,11 +958,9 @@ static int decode_pic(AVSContext *h) if (h->stream_revision > 0) skip_bits(&h->gb, 1); //marker_bit } - /* release last B frame */ - if (h->cur.f->data[0]) - h->avctx->release_buffer(h->avctx, h->cur.f); - ff_get_buffer(h->avctx, h->cur.f); + ff_get_buffer(h->avctx, h->cur.f, h->cur.f->pict_type == AV_PICTURE_TYPE_B ? + 0 : AV_GET_BUFFER_FLAG_REF); if (!h->edge_emu_buffer) { int alloc_size = FFALIGN(FFABS(h->cur.f->linesize[0]) + 32, 32); @@ -1056,8 +1056,7 @@ static int decode_pic(AVSContext *h) } while (ff_cavs_next_mb(h)); } if (h->cur.f->pict_type != AV_PICTURE_TYPE_B) { - if (h->DPB[1].f->data[0]) - h->avctx->release_buffer(h->avctx, h->DPB[1].f); + av_frame_unref(h->DPB[1].f); FFSWAP(AVSFrame, h->cur, h->DPB[1]); FFSWAP(AVSFrame, h->DPB[0], h->DPB[1]); } @@ -1119,19 +1118,15 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVSContext *h = avctx->priv_data; const uint8_t *buf = avpkt->data; int buf_size = avpkt->size; - AVFrame *picture = data; uint32_t stc = -1; - int input_size; + int input_size, ret; const uint8_t *buf_end; const uint8_t *buf_ptr; if (buf_size == 0) { if (!h->low_delay && h->DPB[0].f->data[0]) { *got_frame = 1; - *picture = *h->DPB[0].f; - if (h->cur.f->data[0]) - avctx->release_buffer(avctx, h->cur.f); - FFSWAP(AVSFrame, h->cur, h->DPB[0]); + av_frame_move_ref(data, h->DPB[0].f); } return 0; } @@ -1150,10 +1145,8 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, break; case PIC_I_START_CODE: if (!h->got_keyframe) { - if(h->DPB[0].f->data[0]) - avctx->release_buffer(avctx, h->DPB[0].f); - if(h->DPB[1].f->data[0]) - avctx->release_buffer(avctx, h->DPB[1].f); + av_frame_unref(h->DPB[0].f); + av_frame_unref(h->DPB[1].f); h->got_keyframe = 1; } case PIC_PB_START_CODE: @@ -1167,12 +1160,14 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, *got_frame = 1; if (h->cur.f->pict_type != AV_PICTURE_TYPE_B) { if (h->DPB[1].f->data[0]) { - *picture = *h->DPB[1].f; + if ((ret = av_frame_ref(data, h->DPB[1].f)) < 0) + return ret; } else { *got_frame = 0; } - } else - *picture = *h->cur.f; + } else { + av_frame_move_ref(data, h->cur.f); + } break; case EXT_START_CODE: //mpeg_decode_extension(avctx, buf_ptr, input_size); |