#include <stdint.h>
+#include "config.h"
#include "libavutil/avassert.h"
#include "libavutil/dict.h"
#include "libavutil/intreadwrite.h"
int ignore_length;
int max_size;
int spdif;
- int smv_cur_pt;
int smv_given_first;
int unaligned; // e.g. if an odd number of bytes ID3 tag was prepended
int rifx; // RIFX: integer byte order for parameters is big endian
} WAVDemuxContext;
+#define OFFSET(x) offsetof(WAVDemuxContext, x)
+#define DEC AV_OPT_FLAG_DECODING_PARAM
+static const AVOption demux_options[] = {
+#define W64_DEMUXER_OPTIONS_OFFSET (1 * CONFIG_WAV_DEMUXER)
+#if CONFIG_WAV_DEMUXER
+ { "ignore_length", "Ignore length", OFFSET(ignore_length), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
+#endif
+ { "max_size", "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 1024, 1 << 22, DEC },
+ { NULL },
+};
+
static void set_spdif(AVFormatContext *s, WAVDemuxContext *wav)
{
if (CONFIG_SPDIF_DEMUXER && s->streams[0]->codecpar->codec_tag == 1) {
int ret = ffio_ensure_seekback(s->pb, len);
if (ret >= 0) {
- uint8_t *buf = av_malloc(len);
+ uint8_t *buf = av_malloc(len + AV_INPUT_BUFFER_PADDING_SIZE);
if (!buf) {
ret = AVERROR(ENOMEM);
} else {
static void handle_stream_probing(AVStream *st)
{
if (st->codecpar->codec_id == AV_CODEC_ID_PCM_S16LE) {
- st->request_probe = AVPROBE_SCORE_EXTENSION;
+ st->internal->request_probe = AVPROBE_SCORE_EXTENSION;
st->probe_packets = FFMIN(st->probe_packets, 32);
}
}
return AVERROR_INVALIDDATA;
}
AV_WL32(vst->codecpar->extradata, wav->smv_frames_per_jpeg);
- wav->smv_cur_pt = 0;
goto break_loop;
case MKTAG('L', 'I', 'S', 'T'):
case MKTAG('l', 'i', 's', 't'):
for (int i = 0; i < nb_cues; i++) {
unsigned offset, id = avio_rl32(pb);
+ if (avio_feof(pb))
+ return AVERROR_INVALIDDATA;
+
avio_skip(pb, 16);
offset = avio_rl32(pb);
} else if (st->codecpar->codec_id == AV_CODEC_ID_XMA1 ||
st->codecpar->codec_id == AV_CODEC_ID_XMA2) {
st->codecpar->block_align = 2048;
- } else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS && st->codecpar->channels > 2) {
+ } else if (st->codecpar->codec_id == AV_CODEC_ID_ADPCM_MS && st->codecpar->channels > 2 &&
+ st->codecpar->block_align < INT_MAX / st->codecpar->channels) {
st->codecpar->block_align *= st->codecpar->channels;
}
while (!avio_feof(pb)) {
avio_read(pb, guid, 16);
size = avio_rl64(pb);
- if (size <= 24)
+ if (size <= 24 || size > INT64_MAX - 8)
return AVERROR_INVALIDDATA;
if (!memcmp(guid, guid1, 16))
return size;
if (ret < 0)
goto smv_out;
pkt->pos -= 3;
- pkt->pts = wav->smv_block * wav->smv_frames_per_jpeg + wav->smv_cur_pt;
- wav->smv_cur_pt++;
- if (wav->smv_frames_per_jpeg > 0)
- wav->smv_cur_pt %= wav->smv_frames_per_jpeg;
- if (!wav->smv_cur_pt)
- wav->smv_block++;
+ pkt->pts = wav->smv_block * wav->smv_frames_per_jpeg;
+ pkt->duration = wav->smv_frames_per_jpeg;
+ wav->smv_block++;
pkt->stream_index = 1;
smv_out:
timestamp = av_rescale_q(smv_timestamp, s->streams[1]->time_base, s->streams[0]->time_base);
if (wav->smv_frames_per_jpeg > 0) {
wav->smv_block = smv_timestamp / wav->smv_frames_per_jpeg;
- wav->smv_cur_pt = smv_timestamp % wav->smv_frames_per_jpeg;
}
}
return ff_pcm_read_seek(s, stream_index, timestamp, flags);
}
-#define OFFSET(x) offsetof(WAVDemuxContext, x)
-#define DEC AV_OPT_FLAG_DECODING_PARAM
-static const AVOption demux_options[] = {
- { "ignore_length", "Ignore length", OFFSET(ignore_length), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, DEC },
- { "max_size", "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 1024, 1 << 22, DEC },
- { NULL },
-};
-
static const AVClass wav_demuxer_class = {
.class_name = "WAV demuxer",
.item_name = av_default_item_name,
.read_packet = wav_read_packet,
.read_seek = wav_read_seek,
.flags = AVFMT_GENERIC_INDEX,
- .codec_tag = (const AVCodecTag * const []) { ff_codec_wav_tags, 0 },
+ .codec_tag = ff_wav_codec_tags_list,
.priv_class = &wav_demuxer_class,
};
#endif /* CONFIG_WAV_DEMUXER */
} else if (!memcmp(guid, ff_w64_guid_summarylist, 16)) {
int64_t start, end, cur;
uint32_t count, chunk_size, i;
+ int64_t filesize = avio_size(s->pb);
start = avio_tell(pb);
end = start + FFALIGN(size, INT64_C(8)) - 24;
chunk_key[4] = 0;
avio_read(pb, chunk_key, 4);
chunk_size = avio_rl32(pb);
- if (chunk_size == UINT32_MAX)
+ if (chunk_size == UINT32_MAX || (filesize >= 0 && chunk_size > filesize))
return AVERROR_INVALIDDATA;
- value = av_mallocz(chunk_size + 1);
+ value = av_malloc(chunk_size + 1);
if (!value)
return AVERROR(ENOMEM);
ret = avio_get_str16le(pb, chunk_size, value, chunk_size);
+ if (ret < 0) {
+ av_free(value);
+ return ret;
+ }
avio_skip(pb, chunk_size - ret);
av_dict_set(&s->metadata, chunk_key, value, AV_DICT_DONT_STRDUP_VAL);
return 0;
}
-#define OFFSET(x) offsetof(WAVDemuxContext, x)
-#define DEC AV_OPT_FLAG_DECODING_PARAM
-static const AVOption w64_demux_options[] = {
- { "max_size", "max size of single packet", OFFSET(max_size), AV_OPT_TYPE_INT, { .i64 = 4096 }, 1024, 1 << 22, DEC },
- { NULL }
-};
-
static const AVClass w64_demuxer_class = {
.class_name = "W64 demuxer",
.item_name = av_default_item_name,
- .option = w64_demux_options,
+ .option = &demux_options[W64_DEMUXER_OPTIONS_OFFSET],
.version = LIBAVUTIL_VERSION_INT,
};
.read_packet = wav_read_packet,
.read_seek = wav_read_seek,
.flags = AVFMT_GENERIC_INDEX,
- .codec_tag = (const AVCodecTag * const []) { ff_codec_wav_tags, 0 },
+ .codec_tag = ff_wav_codec_tags_list,
.priv_class = &w64_demuxer_class,
};
#endif /* CONFIG_W64_DEMUXER */
projects / ffmpeg / blobdiff