diff options
Diffstat (limited to 'libavformat/bfi.c')
-rw-r--r-- | libavformat/bfi.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/libavformat/bfi.c b/libavformat/bfi.c index 99371bd..6c98e33 100644 --- a/libavformat/bfi.c +++ b/libavformat/bfi.c @@ -2,20 +2,20 @@ * Brute Force & Ignorance (BFI) demuxer * Copyright (c) 2008 Sisir Koppaka * - * 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 */ @@ -81,17 +81,25 @@ static int bfi_read_header(AVFormatContext * s) /*Load the palette to extradata */ avio_skip(pb, 8); vstream->codecpar->extradata = av_malloc(768); + if (!vstream->codecpar->extradata) + return AVERROR(ENOMEM); vstream->codecpar->extradata_size = 768; avio_read(pb, vstream->codecpar->extradata, - vstream->codecpar->extradata_size); + vstream->codecpar->extradata_size); astream->codecpar->sample_rate = avio_rl32(pb); + if (astream->codecpar->sample_rate <= 0) { + av_log(s, AV_LOG_ERROR, "Invalid sample rate %d\n", astream->codecpar->sample_rate); + return AVERROR_INVALIDDATA; + } /* Set up the video codec... */ avpriv_set_pts_info(vstream, 32, 1, fps); vstream->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; vstream->codecpar->codec_id = AV_CODEC_ID_BFI; vstream->codecpar->format = AV_PIX_FMT_PAL8; + vstream->nb_frames = + vstream->duration = bfi->nframes; /* Set up the audio codec now... */ astream->codecpar->codec_type = AVMEDIA_TYPE_AUDIO; @@ -100,7 +108,7 @@ static int bfi_read_header(AVFormatContext * s) astream->codecpar->channel_layout = AV_CH_LAYOUT_MONO; astream->codecpar->bits_per_coded_sample = 8; astream->codecpar->bit_rate = - astream->codecpar->sample_rate * astream->codecpar->bits_per_coded_sample; + (int64_t)astream->codecpar->sample_rate * astream->codecpar->bits_per_coded_sample; avio_seek(pb, chunk_header - 3, SEEK_SET); avpriv_set_pts_info(astream, 64, 1, astream->codecpar->sample_rate); return 0; @@ -112,15 +120,15 @@ static int bfi_read_packet(AVFormatContext * s, AVPacket * pkt) BFIContext *bfi = s->priv_data; AVIOContext *pb = s->pb; int ret, audio_offset, video_offset, chunk_size, audio_size = 0; - if (bfi->nframes == 0 || pb->eof_reached) { - return AVERROR(EIO); + if (bfi->nframes == 0 || avio_feof(pb)) { + return AVERROR_EOF; } /* If all previous chunks were completely read, then find a new one... */ if (!bfi->avflag) { uint32_t state = 0; while(state != MKTAG('S','A','V','I')){ - if (pb->eof_reached) + if (avio_feof(pb)) return AVERROR(EIO); state = 256*state + avio_r8(pb); } |