X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavformat%2Fcafdec.c;h=3bf1fa64bcc05165cc1edb54d5c018cf27b542cd;hb=e1c4a3ea7d2830a2e6c1e5212066c7995fffbdf2;hp=86228595c98459f44e3b3d007fe105217e4fb152;hpb=0084eed5bffebd7f3915bc0f9eba7350e8bc0ef7;p=ffmpeg diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c index 86228595c98..3bf1fa64bcc 100644 --- a/libavformat/cafdec.c +++ b/libavformat/cafdec.c @@ -100,6 +100,7 @@ static int read_kuki_chunk(AVFormatContext *s, int64_t size) { AVIOContext *pb = s->pb; AVStream *st = s->streams[0]; + int ret; if (size < 0 || size > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE) return -1; @@ -134,9 +135,8 @@ static int read_kuki_chunk(AVFormatContext *s, int64_t size) return AVERROR_INVALIDDATA; } - av_freep(&st->codecpar->extradata); - if (ff_alloc_extradata(st->codecpar, ALAC_HEADER)) - return AVERROR(ENOMEM); + if ((ret = ff_alloc_extradata(st->codecpar, ALAC_HEADER)) < 0) + return ret; /* For the old style cookie, we skip 12 bytes, then read 36 bytes. * The new style cookie only contains the last 24 bytes of what was @@ -174,10 +174,8 @@ static int read_kuki_chunk(AVFormatContext *s, int64_t size) return AVERROR_PATCHWELCOME; } avio_skip(pb, size); - } else { - av_freep(&st->codecpar->extradata); - if (ff_get_extradata(s, st->codecpar, pb, size) < 0) - return AVERROR(ENOMEM); + } else if ((ret = ff_get_extradata(s, st->codecpar, pb, size)) < 0) { + return ret; } return 0; @@ -331,7 +329,7 @@ found_data: if (caf->bytes_per_packet > 0 && caf->frames_per_packet > 0) { if (caf->data_size > 0) st->nb_frames = (caf->data_size / caf->bytes_per_packet) * caf->frames_per_packet; - } else if (st->nb_index_entries && st->duration > 0) { + } else if (st->internal->nb_index_entries && st->duration > 0) { if (st->codecpar->sample_rate && caf->data_size / st->duration > INT64_MAX / st->codecpar->sample_rate / 8) { av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %d * 8 * %"PRId64"\n", st->codecpar->sample_rate, caf->data_size / st->duration); @@ -384,13 +382,13 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt) pkt_size = (CAF_MAX_PKT_SIZE / pkt_size) * pkt_size; pkt_size = FFMIN(pkt_size, left); pkt_frames = pkt_size / caf->bytes_per_packet; - } else if (st->nb_index_entries) { - if (caf->packet_cnt < st->nb_index_entries - 1) { - pkt_size = st->index_entries[caf->packet_cnt + 1].pos - st->index_entries[caf->packet_cnt].pos; - pkt_frames = st->index_entries[caf->packet_cnt + 1].timestamp - st->index_entries[caf->packet_cnt].timestamp; - } else if (caf->packet_cnt == st->nb_index_entries - 1) { - pkt_size = caf->num_bytes - st->index_entries[caf->packet_cnt].pos; - pkt_frames = st->duration - st->index_entries[caf->packet_cnt].timestamp; + } else if (st->internal->nb_index_entries) { + if (caf->packet_cnt < st->internal->nb_index_entries - 1) { + pkt_size = st->internal->index_entries[caf->packet_cnt + 1].pos - st->internal->index_entries[caf->packet_cnt].pos; + pkt_frames = st->internal->index_entries[caf->packet_cnt + 1].timestamp - st->internal->index_entries[caf->packet_cnt].timestamp; + } else if (caf->packet_cnt == st->internal->nb_index_entries - 1) { + pkt_size = caf->num_bytes - st->internal->index_entries[caf->packet_cnt].pos; + pkt_frames = st->duration - st->internal->index_entries[caf->packet_cnt].timestamp; } else { return AVERROR(EIO); } @@ -429,10 +427,10 @@ static int read_seek(AVFormatContext *s, int stream_index, pos = FFMIN(pos, caf->data_size); packet_cnt = pos / caf->bytes_per_packet; frame_cnt = caf->frames_per_packet * packet_cnt; - } else if (st->nb_index_entries) { + } else if (st->internal->nb_index_entries) { packet_cnt = av_index_search_timestamp(st, timestamp, flags); - frame_cnt = st->index_entries[packet_cnt].timestamp; - pos = st->index_entries[packet_cnt].pos; + frame_cnt = st->internal->index_entries[packet_cnt].timestamp; + pos = st->internal->index_entries[packet_cnt].pos; } else { return -1; }