API: add AV_PKT_DATA_S12M_TIMECODE to AVPacketSideDataType

Signed-off-by: Limin Wang <lance.lmwang@gmail.com>

1 files changed, 21 insertions, 0 deletions

diff --git a/libavformat/dump.c b/libavformat/dump.c
index aacc0c111c..6d29d85d1f 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -34,6 +34,7 @@
 #include "libavutil/replaygain.h"
 #include "libavutil/spherical.h"
 #include "libavutil/stereo3d.h"
+#include "libavutil/timecode.h"
 
 #include "avformat.h"
 
@@ -407,6 +408,22 @@ static void dump_dovi_conf(void *ctx, const AVPacketSideData *sd)
            dovi->dv_bl_signal_compatibility_id);
 }
 
+static void dump_s12m_timecode(void *ctx, const AVPacketSideData *sd)
+{
+    const uint32_t *tc = (const uint32_t *)sd->data;
+
+    if ((sd->size != sizeof(uint32_t) * 4) || (tc[0] > 3)) {
+        av_log(ctx, AV_LOG_ERROR, "invalid data\n");
+        return;
+    }
+
+    for (int j = 1; j <= tc[0]; j++) {
+        char tcbuf[AV_TIMECODE_STR_SIZE];
+        av_timecode_make_smpte_tc_string(tcbuf, tc[j], 0);
+        av_log(ctx, AV_LOG_INFO, "timecode - %s%s", tcbuf, j != tc[0] ? ", " : "");
+    }
+}
+
 static void dump_sidedata(void *ctx, const AVStream *st, const char *indent)
 {
     int i;
@@ -473,6 +490,10 @@ static void dump_sidedata(void *ctx, const AVStream *st, const char *indent)
             av_log(ctx, AV_LOG_INFO, "DOVI configuration record: ");
             dump_dovi_conf(ctx, sd);
             break;
+        case AV_PKT_DATA_S12M_TIMECODE:
+            av_log(ctx, AV_LOG_INFO, "SMPTE ST 12-1:2014: ");
+            dump_s12m_timecode(ctx, sd);
+            break;
         default:
             av_log(ctx, AV_LOG_INFO,
                    "unknown side data type %d (%d bytes)", sd->type, sd->size);