diff options
Diffstat (limited to 'libavformat/xwma.c')
-rw-r--r-- | libavformat/xwma.c | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/libavformat/xwma.c b/libavformat/xwma.c index 45d74de..127c097 100644 --- a/libavformat/xwma.c +++ b/libavformat/xwma.c @@ -2,20 +2,20 @@ * xWMA demuxer * Copyright (c) 2011 Max Horn * - * 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 */ @@ -46,7 +46,7 @@ static int xwma_read_header(AVFormatContext *s) int64_t size; int ret; uint32_t dpds_table_size = 0; - uint32_t *dpds_table = 0; + uint32_t *dpds_table = NULL; unsigned int tag; AVIOContext *pb = s->pb; AVStream *st; @@ -130,8 +130,10 @@ static int xwma_read_header(AVFormatContext *s) /* parse the remaining RIFF chunks */ for (;;) { - if (pb->eof_reached) - return -1; + if (pb->eof_reached) { + ret = AVERROR_EOF; + goto end; + } /* read next chunk tag */ tag = avio_rl32(pb); size = avio_rl32(pb); @@ -152,7 +154,8 @@ static int xwma_read_header(AVFormatContext *s) /* Error out if there is more than one dpds chunk. */ if (dpds_table) { av_log(s, AV_LOG_ERROR, "two dpds chunks present\n"); - return -1; + ret = AVERROR_INVALIDDATA; + goto end; } /* Compute the number of entries in the dpds chunk. */ @@ -164,7 +167,7 @@ static int xwma_read_header(AVFormatContext *s) if (dpds_table_size == 0 || dpds_table_size >= INT_MAX / 4) { av_log(s, AV_LOG_ERROR, "dpds chunk size %"PRId64" invalid\n", size); - return -1; + return AVERROR_INVALIDDATA; } /* Allocate some temporary storage to keep the dpds data around. @@ -184,8 +187,10 @@ static int xwma_read_header(AVFormatContext *s) } /* Determine overall data length */ - if (size < 0) - return -1; + if (size < 0) { + ret = AVERROR_INVALIDDATA; + goto end; + } if (!size) { xwma->data_end = INT64_MAX; } else @@ -204,7 +209,8 @@ static int xwma_read_header(AVFormatContext *s) av_log(s, AV_LOG_ERROR, "Invalid bits_per_coded_sample %d for %d channels\n", st->codec->bits_per_coded_sample, st->codec->channels); - return AVERROR_INVALIDDATA; + ret = AVERROR_INVALIDDATA; + goto end; } st->duration = total_decoded_bytes / bytes_per_sample; @@ -239,9 +245,10 @@ static int xwma_read_header(AVFormatContext *s) st->duration = (size<<3) * st->codec->sample_rate / st->codec->bit_rate; } +end: av_free(dpds_table); - return 0; + return ret; } static int xwma_read_packet(AVFormatContext *s, AVPacket *pkt) |