* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <stdint.h>
+
#include "libavutil/avassert.h"
#include "libavutil/dict.h"
#include "libavutil/log.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "avformat.h"
-#include "internal.h"
+#include "avio.h"
#include "avio_internal.h"
+#include "internal.h"
+#include "metadata.h"
#include "pcm.h"
#include "riff.h"
-#include "avio.h"
-#include "metadata.h"
typedef struct WAVDemuxContext {
int64_t data_end;
int w64;
} WAVDemuxContext;
-
#if CONFIG_WAV_DEMUXER
static int64_t next_tag(AVIOContext *pb, uint32_t *tag)
return avio_rl32(pb);
}
+/* RIFF chunks are always on a even offset. */
+static int64_t wav_seek_tag(AVIOContext *s, int64_t offset, int whence)
+{
+ return avio_seek(s, offset + (offset & 1), whence);
+}
+
/* return the size of the found tag */
static int64_t find_tag(AVIOContext *pb, uint32_t tag1)
{
size = next_tag(pb, &tag);
if (tag == tag1)
break;
- avio_skip(pb, size);
+ wav_seek_tag(pb, size, SEEK_CUR);
}
return size;
}
return 0;
if (!memcmp(p->buf + 8, "WAVE", 4)) {
if (!memcmp(p->buf, "RIFF", 4))
- /*
- Since ACT demuxer has standard WAV header at top of it's own,
- returning score is decreased to avoid probe conflict
- between ACT and WAV.
- */
+ /* Since the ACT demuxer has a standard WAV header at the top of
+ * its own, the returned score is decreased to avoid a probe
+ * conflict between ACT and WAV. */
return AVPROBE_SCORE_MAX - 1;
else if (!memcmp(p->buf, "RF64", 4) &&
!memcmp(p->buf + 12, "ds64", 4))
if (!*st)
return AVERROR(ENOMEM);
- ret = ff_get_wav_header(pb, (*st)->codec, size);
+ ret = ff_get_wav_header(s, pb, (*st)->codec, size);
if (ret < 0)
return ret;
(*st)->need_parsing = AVSTREAM_PARSE_FULL;
if (umid_mask) {
/* the string formatting below is per SMPTE 330M-2004 Annex C */
- if (umid_parts[4] == 0 && umid_parts[5] == 0 && umid_parts[6] == 0 && umid_parts[7] == 0) {
+ if (umid_parts[4] == 0 && umid_parts[5] == 0 &&
+ umid_parts[6] == 0 && umid_parts[7] == 0) {
/* basic UMID */
- snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
- umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3]);
+ snprintf(temp, sizeof(temp),
+ "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
+ umid_parts[0], umid_parts[1],
+ umid_parts[2], umid_parts[3]);
} else {
/* extended UMID */
- snprintf(temp, sizeof(temp), "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64
- "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
- umid_parts[0], umid_parts[1], umid_parts[2], umid_parts[3],
- umid_parts[4], umid_parts[5], umid_parts[6], umid_parts[7]);
+ snprintf(temp, sizeof(temp),
+ "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64
+ "0x%016"PRIX64"%016"PRIX64"%016"PRIX64"%016"PRIX64,
+ umid_parts[0], umid_parts[1],
+ umid_parts[2], umid_parts[3],
+ umid_parts[4], umid_parts[5],
+ umid_parts[6], umid_parts[7]);
}
if ((ret = av_dict_set(&s->metadata, "umid", temp, 0)) < 0)
/* CodingHistory present */
size -= 602;
- if (!(coding_history = av_malloc(size+1)))
+ if (!(coding_history = av_malloc(size + 1)))
return AVERROR(ENOMEM);
if ((ret = avio_read(s->pb, coding_history, size)) < 0)
}
static const AVMetadataConv wav_metadata_conv[] = {
- {"description", "comment" },
- {"originator", "encoded_by" },
- {"origination_date", "date" },
- {"origination_time", "creation_time"},
- {0},
+ { "description", "comment" },
+ { "originator", "encoded_by" },
+ { "origination_date", "date" },
+ { "origination_time", "creation_time" },
+ { 0 },
};
/* wav input */
static int wav_read_header(AVFormatContext *s)
{
int64_t size, av_uninit(data_size);
- int64_t sample_count=0;
+ int64_t sample_count = 0;
int rf64;
- uint32_t tag, list_type;
- AVIOContext *pb = s->pb;
- AVStream *st = NULL;
+ uint32_t tag;
+ AVIOContext *pb = s->pb;
+ AVStream *st = NULL;
WAVDemuxContext *wav = s->priv_data;
int ret, got_fmt = 0;
int64_t next_tag_ofs, data_ofs = -1;
rf64 = tag == MKTAG('R', 'F', '6', '4');
if (!rf64 && tag != MKTAG('R', 'I', 'F', 'F'))
- return -1;
+ return AVERROR_INVALIDDATA;
avio_rl32(pb); /* file size */
tag = avio_rl32(pb);
if (tag != MKTAG('W', 'A', 'V', 'E'))
- return -1;
+ return AVERROR_INVALIDDATA;
if (rf64) {
if (avio_rl32(pb) != MKTAG('d', 's', '6', '4'))
- return -1;
+ return AVERROR_INVALIDDATA;
size = avio_rl32(pb);
if (size < 16)
- return -1;
+ return AVERROR_INVALIDDATA;
avio_rl64(pb); /* RIFF size */
- data_size = avio_rl64(pb);
+
+ data_size = avio_rl64(pb);
sample_count = avio_rl64(pb);
+
if (data_size < 0 || sample_count < 0) {
av_log(s, AV_LOG_ERROR, "negative data_size and/or sample_count in "
"ds64: data_size = %"PRId64", sample_count = %"PRId64"\n",
}
for (;;) {
- size = next_tag(pb, &tag);
+ size = next_tag(pb, &tag);
next_tag_ofs = avio_tell(pb) + size;
if (pb->eof_reached)
break;
case MKTAG('d', 'a', 't', 'a'):
if (!got_fmt) {
- av_log(s, AV_LOG_ERROR, "found no 'fmt ' tag before the 'data' tag\n");
+ av_log(s, AV_LOG_ERROR,
+ "found no 'fmt ' tag before the 'data' tag\n");
return AVERROR_INVALIDDATA;
}
if (rf64) {
next_tag_ofs = wav->data_end = avio_tell(pb) + data_size;
} else {
- data_size = size;
+ data_size = size;
next_tag_ofs = wav->data_end = size ? next_tag_ofs : INT64_MAX;
}
if (!pb->seekable || (!rf64 && !size))
goto break_loop;
break;
- case MKTAG('f','a','c','t'):
+ case MKTAG('f', 'a', 'c', 't'):
if (!sample_count)
sample_count = avio_rl32(pb);
break;
- case MKTAG('b','e','x','t'):
+ case MKTAG('b', 'e', 'x', 't'):
if ((ret = wav_parse_bext_tag(s, size)) < 0)
return ret;
break;
case MKTAG('L', 'I', 'S', 'T'):
- list_type = avio_rl32(pb);
- if (size <= 4) {
+ if (size < 4) {
av_log(s, AV_LOG_ERROR, "too short LIST");
return AVERROR_INVALIDDATA;
}
- switch (list_type) {
+ switch (avio_rl32(pb)) {
case MKTAG('I', 'N', 'F', 'O'):
if ((ret = ff_read_riff_info(s, size - 4)) < 0)
return ret;
/* seek to next tag unless we know that we'll run into EOF */
if ((avio_size(pb) > 0 && next_tag_ofs >= avio_size(pb)) ||
- avio_seek(pb, next_tag_ofs, SEEK_SET) < 0) {
+ wav_seek_tag(pb, next_tag_ofs, SEEK_SET) < 0) {
break;
}
}
+
break_loop:
if (data_ofs < 0) {
av_log(s, AV_LOG_ERROR, "no 'data' tag found\n");
avio_seek(pb, data_ofs, SEEK_SET);
- if (!sample_count && st->codec->channels && av_get_bits_per_sample(st->codec->codec_id))
- sample_count = (data_size<<3) / (st->codec->channels * (uint64_t)av_get_bits_per_sample(st->codec->codec_id));
+ if (!sample_count && st->codec->channels &&
+ av_get_bits_per_sample(st->codec->codec_id))
+ sample_count = (data_size << 3) /
+ (st->codec->channels *
+ (uint64_t)av_get_bits_per_sample(st->codec->codec_id));
if (sample_count)
st->duration = sample_count;
return 0;
}
-/** Find chunk with w64 GUID by skipping over other chunks
+/**
+ * Find chunk with w64 GUID by skipping over other chunks.
* @return the size of the found chunk
*/
static int64_t find_guid(AVIOContext *pb, const uint8_t guid1[16])
return -1;
}
-static const uint8_t guid_data[16] = { 'd', 'a', 't', 'a',
- 0xF3, 0xAC, 0xD3, 0x11, 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A };
+static const uint8_t guid_data[16] = {
+ 'd', 'a', 't', 'a',
+ 0xF3, 0xAC, 0xD3, 0x11,0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A
+};
#define MAX_SIZE 4096
-static int wav_read_packet(AVFormatContext *s,
- AVPacket *pkt)
+static int wav_read_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret, size;
int64_t left;
st = s->streams[0];
left = wav->data_end - avio_tell(s->pb);
- if (left <= 0){
+ if (left <= 0) {
if (CONFIG_W64_DEMUXER && wav->w64)
left = find_guid(s->pb, guid_data) - 24;
else
left = find_tag(s->pb, MKTAG('d', 'a', 't', 'a'));
if (left < 0)
return AVERROR_EOF;
- wav->data_end= avio_tell(s->pb) + left;
+ wav->data_end = avio_tell(s->pb) + left;
}
size = MAX_SIZE;
.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 = (const AVCodecTag * const []) { ff_codec_wav_tags, 0 },
};
#endif /* CONFIG_WAV_DEMUXER */
-
#if CONFIG_W64_DEMUXER
-static const uint8_t guid_riff[16] = { 'r', 'i', 'f', 'f',
- 0x2E, 0x91, 0xCF, 0x11, 0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00 };
+static const uint8_t guid_riff[16] = {
+ 'r', 'i', 'f', 'f',
+ 0x2E, 0x91, 0xCF, 0x11,0xA5, 0xD6, 0x28, 0xDB, 0x04, 0xC1, 0x00, 0x00
+};
-static const uint8_t guid_wave[16] = { 'w', 'a', 'v', 'e',
- 0xF3, 0xAC, 0xD3, 0x11, 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A };
+static const uint8_t guid_wave[16] = {
+ 'w', 'a', 'v', 'e',
+ 0xF3, 0xAC, 0xD3, 0x11,0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A
+};
-static const uint8_t guid_fmt [16] = { 'f', 'm', 't', ' ',
- 0xF3, 0xAC, 0xD3, 0x11, 0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A };
+static const uint8_t guid_fmt[16] = {
+ 'f', 'm', 't', ' ',
+ 0xF3, 0xAC, 0xD3, 0x11,0x8C, 0xD1, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A
+};
static int w64_probe(AVProbeData *p)
{
static int w64_read_header(AVFormatContext *s)
{
int64_t size;
- AVIOContext *pb = s->pb;
- WAVDemuxContext *wav = s->priv_data;
+ AVIOContext *pb = s->pb;
+ WAVDemuxContext *wav = s->priv_data;
AVStream *st;
uint8_t guid[16];
int ret;
avio_read(pb, guid, 16);
if (memcmp(guid, guid_riff, 16))
- return -1;
+ return AVERROR_INVALIDDATA;
- if (avio_rl64(pb) < 16 + 8 + 16 + 8 + 16 + 8) /* riff + wave + fmt + sizes */
- return -1;
+ /* riff + wave + fmt + sizes */
+ if (avio_rl64(pb) < 16 + 8 + 16 + 8 + 16 + 8)
+ return AVERROR_INVALIDDATA;
avio_read(pb, guid, 16);
if (memcmp(guid, guid_wave, 16)) {
av_log(s, AV_LOG_ERROR, "could not find wave guid\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
size = find_guid(pb, guid_fmt);
if (size < 0) {
av_log(s, AV_LOG_ERROR, "could not find fmt guid\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
st = avformat_new_stream(s, NULL);
return AVERROR(ENOMEM);
/* subtract chunk header size - normal wav file doesn't count it */
- ret = ff_get_wav_header(pb, st->codec, size - 24);
+ ret = ff_get_wav_header(s, pb, st->codec, size - 24);
if (ret < 0)
return ret;
avio_skip(pb, FFALIGN(size, INT64_C(8)) - size);
size = find_guid(pb, guid_data);
if (size < 0) {
av_log(s, AV_LOG_ERROR, "could not find data guid\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
wav->data_end = avio_tell(pb) + size - 24;
wav->w64 = 1;
.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 = (const AVCodecTag * const []) { ff_codec_wav_tags, 0 },
};
#endif /* CONFIG_W64_DEMUXER */
projects / ffmpeg / blobdiff