diff mbox series

[FFmpeg-devel,1/6] avformat/mov: factorize reading creation time metadata

Message ID 20230415220558.16122-1-cus@passwd.hu
State Accepted
Commit bbb885e6a5219afb4177b78fb31c3a95e2db294a
Headers show
Series [FFmpeg-devel,1/6] avformat/mov: factorize reading creation time metadata | expand

Checks

Context Check Description
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Marton Balint April 15, 2023, 10:05 p.m. UTC
Signed-off-by: Marton Balint <cus@passwd.hu>
---
 libavformat/mov.c | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

Comments

Marton Balint April 23, 2023, 6:46 p.m. UTC | #1
On Sun, 16 Apr 2023, Marton Balint wrote:

> Signed-off-by: Marton Balint <cus@passwd.hu>
> ---
> libavformat/mov.c | 32 ++++++++++++--------------------
> 1 file changed, 12 insertions(+), 20 deletions(-)

Will apply the series soon.

Regards,
Marton

>
> diff --git a/libavformat/mov.c b/libavformat/mov.c
> index 057fd872b1..5d00ff6e8b 100644
> --- a/libavformat/mov.c
> +++ b/libavformat/mov.c
> @@ -1515,14 +1515,22 @@ static int mov_read_moof(MOVContext *c, AVIOContext *pb, MOVAtom atom)
>     return mov_read_default(c, pb, atom);
> }
>
> -static void mov_metadata_creation_time(AVDictionary **metadata, int64_t time, void *logctx)
> +static void mov_metadata_creation_time(MOVContext *c, AVIOContext *pb, AVDictionary **metadata, int version)
> {
> +    int64_t time;
> +    if (version == 1) {
> +        time = avio_rb64(pb);
> +        avio_rb64(pb);
> +    } else {
> +        time = avio_rb32(pb);
> +        avio_rb32(pb); /* modification time */
> +    }
>     if (time) {
>         if (time >= 2082844800)
>             time -= 2082844800;  /* seconds between 1904-01-01 and Epoch */
>
>         if ((int64_t)(time * 1000000ULL) / 1000000 != time) {
> -            av_log(logctx, AV_LOG_DEBUG, "creation_time is not representable\n");
> +            av_log(c->fc, AV_LOG_DEBUG, "creation_time is not representable\n");
>             return;
>         }
>
> @@ -1537,7 +1545,6 @@ static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
>     int version;
>     char language[4] = {0};
>     unsigned lang;
> -    int64_t creation_time;
>
>     if (c->fc->nb_streams < 1)
>         return 0;
> @@ -1555,14 +1562,7 @@ static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
>         return AVERROR_PATCHWELCOME;
>     }
>     avio_rb24(pb); /* flags */
> -    if (version == 1) {
> -        creation_time = avio_rb64(pb);
> -        avio_rb64(pb);
> -    } else {
> -        creation_time = avio_rb32(pb);
> -        avio_rb32(pb); /* modification time */
> -    }
> -    mov_metadata_creation_time(&st->metadata, creation_time, c->fc);
> +    mov_metadata_creation_time(c, pb, &st->metadata, version);
>
>     sc->time_scale = avio_rb32(pb);
>     if (sc->time_scale <= 0) {
> @@ -1587,18 +1587,10 @@ static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
> static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
> {
>     int i;
> -    int64_t creation_time;
>     int version = avio_r8(pb); /* version */
>     avio_rb24(pb); /* flags */
>
> -    if (version == 1) {
> -        creation_time = avio_rb64(pb);
> -        avio_rb64(pb);
> -    } else {
> -        creation_time = avio_rb32(pb);
> -        avio_rb32(pb); /* modification time */
> -    }
> -    mov_metadata_creation_time(&c->fc->metadata, creation_time, c->fc);
> +    mov_metadata_creation_time(c, pb, &c->fc->metadata, version);
>     c->time_scale = avio_rb32(pb); /* time scale */
>     if (c->time_scale <= 0) {
>         av_log(c->fc, AV_LOG_ERROR, "Invalid mvhd time scale %d, defaulting to 1\n", c->time_scale);
> -- 
> 2.35.3
>
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
>
diff mbox series

Patch

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 057fd872b1..5d00ff6e8b 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -1515,14 +1515,22 @@  static int mov_read_moof(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     return mov_read_default(c, pb, atom);
 }
 
-static void mov_metadata_creation_time(AVDictionary **metadata, int64_t time, void *logctx)
+static void mov_metadata_creation_time(MOVContext *c, AVIOContext *pb, AVDictionary **metadata, int version)
 {
+    int64_t time;
+    if (version == 1) {
+        time = avio_rb64(pb);
+        avio_rb64(pb);
+    } else {
+        time = avio_rb32(pb);
+        avio_rb32(pb); /* modification time */
+    }
     if (time) {
         if (time >= 2082844800)
             time -= 2082844800;  /* seconds between 1904-01-01 and Epoch */
 
         if ((int64_t)(time * 1000000ULL) / 1000000 != time) {
-            av_log(logctx, AV_LOG_DEBUG, "creation_time is not representable\n");
+            av_log(c->fc, AV_LOG_DEBUG, "creation_time is not representable\n");
             return;
         }
 
@@ -1537,7 +1545,6 @@  static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     int version;
     char language[4] = {0};
     unsigned lang;
-    int64_t creation_time;
 
     if (c->fc->nb_streams < 1)
         return 0;
@@ -1555,14 +1562,7 @@  static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
         return AVERROR_PATCHWELCOME;
     }
     avio_rb24(pb); /* flags */
-    if (version == 1) {
-        creation_time = avio_rb64(pb);
-        avio_rb64(pb);
-    } else {
-        creation_time = avio_rb32(pb);
-        avio_rb32(pb); /* modification time */
-    }
-    mov_metadata_creation_time(&st->metadata, creation_time, c->fc);
+    mov_metadata_creation_time(c, pb, &st->metadata, version);
 
     sc->time_scale = avio_rb32(pb);
     if (sc->time_scale <= 0) {
@@ -1587,18 +1587,10 @@  static int mov_read_mdhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
 {
     int i;
-    int64_t creation_time;
     int version = avio_r8(pb); /* version */
     avio_rb24(pb); /* flags */
 
-    if (version == 1) {
-        creation_time = avio_rb64(pb);
-        avio_rb64(pb);
-    } else {
-        creation_time = avio_rb32(pb);
-        avio_rb32(pb); /* modification time */
-    }
-    mov_metadata_creation_time(&c->fc->metadata, creation_time, c->fc);
+    mov_metadata_creation_time(c, pb, &c->fc->metadata, version);
     c->time_scale = avio_rb32(pb); /* time scale */
     if (c->time_scale <= 0) {
         av_log(c->fc, AV_LOG_ERROR, "Invalid mvhd time scale %d, defaulting to 1\n", c->time_scale);