diff options
Diffstat (limited to 'libavcodec/mvcdec.c')
-rw-r--r-- | libavcodec/mvcdec.c | 40 |
1 files changed, 13 insertions, 27 deletions
diff --git a/libavcodec/mvcdec.c b/libavcodec/mvcdec.c index 1546bcc..e507674 100644 --- a/libavcodec/mvcdec.c +++ b/libavcodec/mvcdec.c @@ -2,20 +2,20 @@ * Silicon Graphics Motion Video Compressor 1 & 2 decoder * Copyright (c) 2012 Peter Ross * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * - * Libav is distributed in the hope that it will be useful, + * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -31,7 +31,6 @@ #include "internal.h" typedef struct MvcContext { - AVFrame *frame; int vflip; } MvcContext; @@ -53,10 +52,6 @@ static av_cold int mvc_decode_init(AVCodecContext *avctx) avctx->pix_fmt = (avctx->codec_id == AV_CODEC_ID_MVC1) ? AV_PIX_FMT_RGB555 : AV_PIX_FMT_RGB32; - s->frame = av_frame_alloc(); - if (!s->frame) - return AVERROR(ENOMEM); - s->vflip = avctx->extradata_size >= 9 && !memcmp(avctx->extradata + avctx->extradata_size - 9, "BottomUp", 9); return 0; @@ -231,39 +226,32 @@ static int mvc_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt) { MvcContext *s = avctx->priv_data; + AVFrame *frame = data; GetByteContext gb; int ret; - if ((ret = ff_reget_buffer(avctx, s->frame)) < 0) + if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) return ret; bytestream2_init(&gb, avpkt->data, avpkt->size); if (avctx->codec_id == AV_CODEC_ID_MVC1) - ret = decode_mvc1(avctx, &gb, s->frame->data[0], - avctx->width, avctx->height, s->frame->linesize[0]); + ret = decode_mvc1(avctx, &gb, frame->data[0], + avctx->width, avctx->height, frame->linesize[0]); else - ret = decode_mvc2(avctx, &gb, s->frame->data[0], - avctx->width, avctx->height, s->frame->linesize[0], + ret = decode_mvc2(avctx, &gb, frame->data[0], + avctx->width, avctx->height, frame->linesize[0], s->vflip); if (ret < 0) return ret; + frame->pict_type = AV_PICTURE_TYPE_I; + frame->key_frame = 1; + *got_frame = 1; - if ((ret = av_frame_ref(data, s->frame)) < 0) - return ret; return avpkt->size; } -static av_cold int mvc_decode_end(AVCodecContext *avctx) -{ - MvcContext *s = avctx->priv_data; - - av_frame_free(&s->frame); - - return 0; -} - #if CONFIG_MVC1_DECODER AVCodec ff_mvc1_decoder = { .name = "mvc1", @@ -272,7 +260,6 @@ AVCodec ff_mvc1_decoder = { .id = AV_CODEC_ID_MVC1, .priv_data_size = sizeof(MvcContext), .init = mvc_decode_init, - .close = mvc_decode_end, .decode = mvc_decode_frame, .capabilities = AV_CODEC_CAP_DR1, }; @@ -286,7 +273,6 @@ AVCodec ff_mvc2_decoder = { .id = AV_CODEC_ID_MVC2, .priv_data_size = sizeof(MvcContext), .init = mvc_decode_init, - .close = mvc_decode_end, .decode = mvc_decode_frame, .capabilities = AV_CODEC_CAP_DR1, }; |