add option for seeking at start

Signed-off-by: Zhang Rui <[email protected]>
JontyC · Mar 21, 2016 · a70298e · a70298e
1 parent d061590
commit a70298e
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Showing 3 changed files with 14 additions and 1 deletion.
diff --git a/ijkmedia/ijkplayer/ff_ffplay.c b/ijkmedia/ijkplayer/ff_ffplay.c
@@ -2625,6 +2625,10 @@ static int read_thread(void *arg)
         ffp_notify_msg1(ffp, FFP_REQ_START);
         ffp->auto_resume = 0;
     }
+    /* offset should be seeked*/
+    if (ffp->seek_at_start > 0) {
+        ffp_seek_to_l(ffp, ffp->seek_at_start);
+    }
 
     for (;;) {
         if (is->abort_request)

diff --git a/ijkmedia/ijkplayer/ff_ffplay_def.h b/ijkmedia/ijkplayer/ff_ffplay_def.h
@@ -540,6 +540,7 @@ typedef struct FFPlayer {
 #endif
     int loop;
     int framedrop;
+    int64_t seek_at_start;
     int infinite_buffer;
     enum ShowMode show_mode;
     char *audio_codec_name;
@@ -668,6 +669,7 @@ inline static void ffp_reset_internal(FFPlayer *ffp)
     ffp->autoexit               = 0;
     ffp->loop                   = 1;
     ffp->framedrop              = 0; // option
+    ffp->seek_at_start          = 0;
     ffp->infinite_buffer        = -1;
     ffp->show_mode              = SHOW_MODE_NONE;
     av_freep(&ffp->audio_codec_name);

diff --git a/ijkmedia/ijkplayer/ff_ffplay_options.h b/ijkmedia/ijkplayer/ff_ffplay_options.h
@@ -30,7 +30,12 @@
     .min = min__, \
     .max = max__, \
     .flags = AV_OPT_FLAG_DECODING_PARAM
-
+#define OPTION_INT64(default__, min__, max__) \
+    .type = AV_OPT_TYPE_INT64, \
+    { .i64 = default__ }, \
+    .min = min__, \
+    .max = max__, \
+    .flags = AV_OPT_FLAG_DECODING_PARAM
 #define OPTION_CONST(default__) \
     .type = AV_OPT_TYPE_CONST, \
     { .i64 = default__ }, \
@@ -66,6 +71,8 @@ static const AVOption ffp_context_options[] = {
         OPTION_OFFSET(infinite_buffer), OPTION_INT(0, 0, 1) },
     { "framedrop",                      "drop frames when cpu is too slow",
         OPTION_OFFSET(framedrop),       OPTION_INT(0, -1, 120) },
+    { "seek-at-start",                  "set offset of player should be seeked",
+        OPTION_OFFSET(seek_at_start),       OPTION_INT64(0, 0, INT_MAX) },
     // FFP_MERGE: window_title
 #if CONFIG_AVFILTER
     { "af",                             "audio filters",