diff options
Diffstat (limited to 'libavformat/asfdec.c')
-rw-r--r-- | libavformat/asfdec.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 30642a61fa..3564bf465f 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -2,20 +2,20 @@ * ASF compatible demuxer * Copyright (c) 2000, 2001 Fabrice Bellard * - * 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 */ @@ -132,12 +132,6 @@ static void print_guid(const ff_asf_guid *g) #define print_guid(g) #endif -void ff_get_guid(AVIOContext *s, ff_asf_guid *g) -{ - assert(sizeof(*g) == 16); - avio_read(s, *g, sizeof(*g)); -} - static int asf_probe(AVProbeData *pd) { /* check file header */ @@ -178,8 +172,7 @@ static void get_tag(AVFormatContext *s, const char *key, int type, int len) av_log(s, AV_LOG_DEBUG, "Unsupported value type %d in tag %s.\n", type, key); goto finish; } - if (*value) - av_metadata_set2(&s->metadata, key, value, 0); + av_metadata_set2(&s->metadata, key, value, 0); finish: av_freep(&value); avio_seek(s->pb, off + len, SEEK_SET); @@ -236,7 +229,6 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size) if (!asf_st) return AVERROR(ENOMEM); st->priv_data = asf_st; - st->start_time = 0; start_time = asf->hdr.preroll; asf_st->stream_language_index = 128; // invalid stream index means no language info @@ -295,7 +287,7 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size) if (is_dvr_ms_audio) { // codec_id and codec_tag are unreliable in dvr_ms // files. Set them later by probing stream. - st->codec->codec_id = CODEC_ID_PROBE; + st->request_probe= 1; st->codec->codec_tag = 0; } if (st->codec->codec_id == CODEC_ID_AAC) { @@ -641,7 +633,7 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap) continue; } else if (!ff_guidcmp(&g, &ff_asf_marker_header)) { asf_read_marker(s, gsize); - } else if (pb->eof_reached) { + } else if (url_feof(pb)) { return -1; } else { if (!s->keylen) { @@ -662,7 +654,7 @@ static int asf_read_header(AVFormatContext *s, AVFormatParameters *ap) avio_rl64(pb); avio_r8(pb); avio_r8(pb); - if (pb->eof_reached) + if (url_feof(pb)) return -1; asf->data_offset = avio_tell(pb); asf->packet_size_left = 0; @@ -747,12 +739,12 @@ static int ff_asf_get_packet(AVFormatContext *s, AVIOContext *pb) */ if (pb->error == AVERROR(EAGAIN)) return AVERROR(EAGAIN); - if (!pb->eof_reached) + if (!url_feof(pb)) av_log(s, AV_LOG_ERROR, "ff asf bad header %x at:%"PRId64"\n", c, avio_tell(pb)); } if ((c & 0x8f) == 0x82) { if (d || e) { - if (!pb->eof_reached) + if (!url_feof(pb)) av_log(s, AV_LOG_ERROR, "ff asf bad non zero\n"); return -1; } @@ -851,6 +843,10 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){ av_log(s, AV_LOG_ERROR, "unexpected packet_replic_size of %d\n", asf->packet_replic_size); return -1; } + if (rsize > asf->packet_size_left) { + av_log(s, AV_LOG_ERROR, "packet_replic_size is invalid\n"); + return -1; + } if (asf->packet_flags & 0x01) { DO_2BITS(asf->packet_segsizetype >> 6, asf->packet_frag_size, 0); // 0 is illegal if (rsize > asf->packet_size_left) { @@ -868,10 +864,6 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){ } //printf("Fragsize %d\n", asf->packet_frag_size); } else { - if (rsize > asf->packet_size_left) { - av_log(s, AV_LOG_ERROR, "packet_replic_size is invalid\n"); - return -1; - } asf->packet_frag_size = asf->packet_size_left - rsize; //printf("Using rest %d %d %d\n", asf->packet_frag_size, asf->packet_size_left, rsize); } @@ -901,7 +893,7 @@ static int ff_asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pk ASFStream *asf_st = 0; for (;;) { int ret; - if(pb->eof_reached) + if(url_feof(pb)) return AVERROR_EOF; if (asf->packet_size_left < FRAME_HEADER_SIZE || asf->packet_segments < 1) { @@ -1216,7 +1208,7 @@ static void asf_build_simple_index(AVFormatContext *s, int stream_index) skip them until the simple index object is reached */ while (ff_guidcmp(&g, &index_guid)) { int64_t gsize= avio_rl64(s->pb); - if (gsize < 24 || s->pb->eof_reached) { + if (gsize < 24 || url_feof(s->pb)) { avio_seek(s->pb, current_pos, SEEK_SET); return; } |