return 0;
}
+static const uint32_t mac_to_unicode[128] = {
+ 0x00C4,0x00C5,0x00C7,0x00C9,0x00D1,0x00D6,0x00DC,0x00E1,
+ 0x00E0,0x00E2,0x00E4,0x00E3,0x00E5,0x00E7,0x00E9,0x00E8,
+ 0x00EA,0x00EB,0x00ED,0x00EC,0x00EE,0x00EF,0x00F1,0x00F3,
+ 0x00F2,0x00F4,0x00F6,0x00F5,0x00FA,0x00F9,0x00FB,0x00FC,
+ 0x2020,0x00B0,0x00A2,0x00A3,0x00A7,0x2022,0x00B6,0x00DF,
+ 0x00AE,0x00A9,0x2122,0x00B4,0x00A8,0x2260,0x00C6,0x00D8,
+ 0x221E,0x00B1,0x2264,0x2265,0x00A5,0x00B5,0x2202,0x2211,
+ 0x220F,0x03C0,0x222B,0x00AA,0x00BA,0x03A9,0x00E6,0x00F8,
+ 0x00BF,0x00A1,0x00AC,0x221A,0x0192,0x2248,0x2206,0x00AB,
+ 0x00BB,0x2026,0x00A0,0x00C0,0x00C3,0x00D5,0x0152,0x0153,
+ 0x2013,0x2014,0x201C,0x201D,0x2018,0x2019,0x00F7,0x25CA,
+ 0x00FF,0x0178,0x2044,0x20AC,0x2039,0x203A,0xFB01,0xFB02,
+ 0x2021,0x00B7,0x201A,0x201E,0x2030,0x00C2,0x00CA,0x00C1,
+ 0x00CB,0x00C8,0x00CD,0x00CE,0x00CF,0x00CC,0x00D3,0x00D4,
+ 0xF8FF,0x00D2,0x00DA,0x00DB,0x00D9,0x0131,0x02C6,0x02DC,
+ 0x00AF,0x02D8,0x02D9,0x02DA,0x00B8,0x02DD,0x02DB,0x02C7,
+};
+
+static int mov_read_mac_string(MOVContext *c, ByteIOContext *pb, int len,
+ char *dst, int dstlen)
+{
+ char *p = dst;
+ char *end = dst+dstlen-1;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ uint8_t t, c = get_byte(pb);
+ if (c < 0x80 && p < end)
+ *p++ = c;
+ else
+ PUT_UTF8(mac_to_unicode[c-0x80], t, if (p < end) *p++ = t;);
+ }
+ *p = 0;
+ return p - dst;
+}
+
static int mov_read_udta_string(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
{
#ifdef MOV_EXPORT_ALL_METADATA
#endif
char str[1024], key2[16], language[4] = {0};
const char *key = NULL;
- uint16_t str_size;
+ uint16_t str_size, langcode = 0;
+ uint32_t data_type = 0;
int (*parse)(MOVContext*, ByteIOContext*, unsigned) = NULL;
switch (atom.type) {
int data_size = get_be32(pb);
int tag = get_le32(pb);
if (tag == MKTAG('d','a','t','a')) {
- get_be32(pb); // type
+ data_type = get_be32(pb); // type
get_be32(pb); // unknown
str_size = data_size - 16;
atom.size -= 16;
} else return 0;
} else if (atom.size > 4 && key && !c->itunes_metadata) {
str_size = get_be16(pb); // string length
- ff_mov_lang_to_iso639(get_be16(pb), language);
+ langcode = get_be16(pb);
+ ff_mov_lang_to_iso639(langcode, language);
atom.size -= 4;
} else
str_size = atom.size;
if (parse)
parse(c, pb, str_size);
else {
- get_buffer(pb, str, str_size);
- str[str_size] = 0;
+ if (data_type == 3 || (data_type == 0 && langcode < 0x800)) { // MAC Encoded
+ mov_read_mac_string(c, pb, str_size, str, sizeof(str));
+ } else {
+ get_buffer(pb, str, str_size);
+ str[str_size] = 0;
+ }
av_metadata_set(&c->fc->metadata, key, str);
if (*language && strcmp(language, "und")) {
snprintf(key2, sizeof(key2), "%s-%s", key, language);
return len;
}
-int mp4_read_descr(AVFormatContext *fc, ByteIOContext *pb, int *tag)
+static int mp4_read_descr(AVFormatContext *fc, ByteIOContext *pb, int *tag)
{
int len;
*tag = get_byte(pb);
(format >> 24) & 0xff, st->codec->codec_type);
if(st->codec->codec_type==CODEC_TYPE_VIDEO) {
- uint8_t codec_name[32];
- unsigned int color_depth;
+ unsigned int color_depth, len;
int color_greyscale;
st->codec->codec_id = id;
get_be32(pb); /* data size, always 0 */
get_be16(pb); /* frames per samples */
- get_buffer(pb, codec_name, 32); /* codec name, pascal string */
- if (codec_name[0] <= 31) {
- int i;
- int pos = 0;
- for (i = 0; i < codec_name[0] && pos < sizeof(st->codec->codec_name) - 3; i++) {
- uint8_t tmp;
- PUT_UTF8(codec_name[i+1], tmp, st->codec->codec_name[pos++] = tmp;)
- }
- st->codec->codec_name[pos] = 0;
- /* codec_tag YV12 triggers an UV swap in rawdec.c */
- if (!memcmp(st->codec->codec_name, "Planar Y'CbCr 8-bit 4:2:0", 25))
- st->codec->codec_tag=MKTAG('I', '4', '2', '0');
- }
+ len = get_byte(pb); /* codec name, pascal string */
+ if (len > 31)
+ len = 31;
+ mov_read_mac_string(c, pb, len, st->codec->codec_name, 32);
+ if (len < 31)
+ url_fskip(pb, 31 - len);
+ /* codec_tag YV12 triggers an UV swap in rawdec.c */
+ if (!memcmp(st->codec->codec_name, "Planar Y'CbCr 8-bit 4:2:0", 25))
+ st->codec->codec_tag=MKTAG('I', '4', '2', '0');
st->codec->bits_per_coded_sample = get_be16(pb); /* depth */
st->codec->color_table_id = get_be16(pb); /* colortable id */
current_dts -= sc->dts_shift;
+ if (sc->sample_count >= UINT_MAX / sizeof(*st->index_entries))
+ return;
+ st->index_entries = av_malloc(sc->sample_count*sizeof(*st->index_entries));
+ if (!st->index_entries)
+ return;
+ st->index_entries_allocated_size = sc->sample_count*sizeof(*st->index_entries);
+
for (i = 0; i < sc->chunk_count; i++) {
current_offset = sc->chunk_offsets[i];
if (stsc_index + 1 < sc->stsc_count &&
sample_size = sc->sample_size > 0 ? sc->sample_size : sc->sample_sizes[current_sample];
if(sc->pseudo_stream_id == -1 ||
sc->stsc_data[stsc_index].id - 1 == sc->pseudo_stream_id) {
- av_add_index_entry(st, current_offset, current_dts, sample_size, distance,
- keyframe ? AVINDEX_KEYFRAME : 0);
+ AVIndexEntry *e = &st->index_entries[st->nb_index_entries++];
+ e->pos = current_offset;
+ e->timestamp = current_dts;
+ e->size = sample_size;
+ e->min_distance = distance;
+ e->flags = keyframe ? AVINDEX_KEYFRAME : 0;
dprintf(mov->fc, "AVIndex stream %d, sample %d, offset %"PRIx64", dts %"PRId64", "
"size %d, distance %d, keyframe %d\n", st->index, current_sample,
current_offset, current_dts, sample_size, distance, keyframe);
if (st->duration > 0)
st->codec->bit_rate = stream_size*8*sc->time_scale/st->duration;
} else {
- for (i = 0; i < sc->chunk_count; i++) {
- unsigned chunk_samples;
+ unsigned chunk_samples, total = 0;
- current_offset = sc->chunk_offsets[i];
- if (stsc_index + 1 < sc->stsc_count &&
- i + 1 == sc->stsc_data[stsc_index + 1].first)
- stsc_index++;
- chunk_samples = sc->stsc_data[stsc_index].count;
+ // compute total chunk count
+ for (i = 0; i < sc->stsc_count; i++) {
+ unsigned count, chunk_count;
+ chunk_samples = sc->stsc_data[i].count;
if (sc->samples_per_frame && chunk_samples % sc->samples_per_frame) {
av_log(mov->fc, AV_LOG_ERROR, "error unaligned chunk\n");
return;
}
+ if (sc->samples_per_frame >= 160) { // gsm
+ count = chunk_samples / sc->samples_per_frame;
+ } else if (sc->samples_per_frame > 1) {
+ unsigned samples = (1024/sc->samples_per_frame)*sc->samples_per_frame;
+ count = (chunk_samples+samples-1) / samples;
+ } else {
+ count = (chunk_samples+1023) / 1024;
+ }
+
+ if (i < sc->stsc_count - 1)
+ chunk_count = sc->stsc_data[i+1].first - sc->stsc_data[i].first;
+ else
+ chunk_count = sc->chunk_count - (sc->stsc_data[i].first - 1);
+ total += chunk_count * count;
+ }
+
+ dprintf(mov->fc, "chunk count %d\n", total);
+ if (total >= UINT_MAX / sizeof(*st->index_entries))
+ return;
+ st->index_entries = av_malloc(total*sizeof(*st->index_entries));
+ if (!st->index_entries)
+ return;
+ st->index_entries_allocated_size = total*sizeof(*st->index_entries);
+
+ // populate index
+ for (i = 0; i < sc->chunk_count; i++) {
+ current_offset = sc->chunk_offsets[i];
+ if (stsc_index + 1 < sc->stsc_count &&
+ i + 1 == sc->stsc_data[stsc_index + 1].first)
+ stsc_index++;
+ chunk_samples = sc->stsc_data[stsc_index].count;
+
while (chunk_samples > 0) {
+ AVIndexEntry *e;
unsigned size, samples;
if (sc->samples_per_frame >= 160) { // gsm
}
}
- av_add_index_entry(st, current_offset, current_dts, size, 0, AVINDEX_KEYFRAME);
+ if (st->nb_index_entries >= total) {
+ av_log(mov->fc, AV_LOG_ERROR, "wrong chunk count %d\n", total);
+ return;
+ }
+ e = &st->index_entries[st->nb_index_entries++];
+ e->pos = current_offset;
+ e->timestamp = current_dts;
+ e->size = size;
+ e->min_distance = 0;
+ e->flags = AVINDEX_KEYFRAME;
dprintf(mov->fc, "AVIndex stream %d, chunk %d, offset %"PRIx64", dts %"PRId64", "
"size %d, duration %d\n", st->index, i, current_offset, current_dts,
size, samples);
}
/* compose filename if next level down to target was found */
- if (i == ref->nlvl_to - 1) {
+ if (i == ref->nlvl_to - 1 && src_path - src < sizeof(filename)) {
memcpy(filename, src, src_path - src);
filename[src_path - src] = 0;
projects / ffmpeg / blobdiff