Commit 97993237 authored by Mika Raento's avatar Mika Raento Committed by Martin Storsjö

ismindex: use tfhd default duration if no sample duration

Signed-off-by: 's avatarMartin Storsjö <martin@martin.st>
parent 460b509a
...@@ -225,7 +225,8 @@ fail: ...@@ -225,7 +225,8 @@ fail:
return ret; return ret;
} }
static int64_t read_trun_duration(AVIOContext *in, int64_t end) static int64_t read_trun_duration(AVIOContext *in, int default_duration,
int64_t end)
{ {
int64_t ret = 0; int64_t ret = 0;
int64_t pos; int64_t pos;
...@@ -233,7 +234,7 @@ static int64_t read_trun_duration(AVIOContext *in, int64_t end) ...@@ -233,7 +234,7 @@ static int64_t read_trun_duration(AVIOContext *in, int64_t end)
int entries; int entries;
avio_r8(in); /* version */ avio_r8(in); /* version */
flags = avio_rb24(in); flags = avio_rb24(in);
if (!(flags & MOV_TRUN_SAMPLE_DURATION)) { if (default_duration <= 0 && !(flags & MOV_TRUN_SAMPLE_DURATION)) {
fprintf(stderr, "No sample duration in trun flags\n"); fprintf(stderr, "No sample duration in trun flags\n");
return -1; return -1;
} }
...@@ -244,7 +245,7 @@ static int64_t read_trun_duration(AVIOContext *in, int64_t end) ...@@ -244,7 +245,7 @@ static int64_t read_trun_duration(AVIOContext *in, int64_t end)
pos = avio_tell(in); pos = avio_tell(in);
for (i = 0; i < entries && pos < end; i++) { for (i = 0; i < entries && pos < end; i++) {
int sample_duration = 0; int sample_duration = default_duration;
if (flags & MOV_TRUN_SAMPLE_DURATION) sample_duration = avio_rb32(in); if (flags & MOV_TRUN_SAMPLE_DURATION) sample_duration = avio_rb32(in);
if (flags & MOV_TRUN_SAMPLE_SIZE) avio_rb32(in); if (flags & MOV_TRUN_SAMPLE_SIZE) avio_rb32(in);
if (flags & MOV_TRUN_SAMPLE_FLAGS) avio_rb32(in); if (flags & MOV_TRUN_SAMPLE_FLAGS) avio_rb32(in);
...@@ -265,6 +266,7 @@ static int64_t read_moof_duration(AVIOContext *in, int64_t offset) ...@@ -265,6 +266,7 @@ static int64_t read_moof_duration(AVIOContext *in, int64_t offset)
int64_t ret = -1; int64_t ret = -1;
int32_t moof_size, size, tag; int32_t moof_size, size, tag;
int64_t pos = 0; int64_t pos = 0;
int default_duration = 0;
avio_seek(in, offset, SEEK_SET); avio_seek(in, offset, SEEK_SET);
moof_size = avio_rb32(in); moof_size = avio_rb32(in);
...@@ -282,8 +284,21 @@ static int64_t read_moof_duration(AVIOContext *in, int64_t offset) ...@@ -282,8 +284,21 @@ static int64_t read_moof_duration(AVIOContext *in, int64_t offset)
pos = avio_tell(in); pos = avio_tell(in);
size = avio_rb32(in); size = avio_rb32(in);
tag = avio_rb32(in); tag = avio_rb32(in);
if (tag == MKBETAG('t', 'f', 'h', 'd')) {
int flags = 0;
avio_r8(in); /* version */
flags = avio_rb24(in);
avio_rb32(in); /* track_id */
if (flags & MOV_TFHD_BASE_DATA_OFFSET)
avio_rb64(in);
if (flags & MOV_TFHD_STSD_ID)
avio_rb32(in);
if (flags & MOV_TFHD_DEFAULT_DURATION)
default_duration = avio_rb32(in);
}
if (tag == MKBETAG('t', 'r', 'u', 'n')) { if (tag == MKBETAG('t', 'r', 'u', 'n')) {
return read_trun_duration(in, pos + size); return read_trun_duration(in, default_duration,
pos + size);
} }
avio_seek(in, pos + size, SEEK_SET); avio_seek(in, pos + size, SEEK_SET);
} }
......
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