summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSteve L'Homme <slhomme@divxcorp.com>2006-11-07 22:35:41 +0000
committerGuillaume Poirier <gpoirier@mplayerhq.hu>2006-11-07 22:35:41 +0000
commit94b594c68ae36848605766c84771674ef7b21bc9 (patch)
tree842abee6bd05a06ef58b312f9a4a89abce3a0b05
parent1d1be919ce04327dee6169d3e0382fb680157665 (diff)
add "seek by bytes" support to ffplay
Patch by Steve Lhomme % slhomme A divxcorp P com % Orginal thread: Date: Nov 6, 2006 5:58 PM Subject: Re: [Ffmpeg-devel] [Bad news]: MPEG Seek has failed to work in FFmpeg SVN Originally committed as revision 6937 to svn://svn.ffmpeg.org/ffmpeg/trunk
-rw-r--r--ffplay.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/ffplay.c b/ffplay.c
index 08e71d39af..5ac33c6f23 100644
--- a/ffplay.c
+++ b/ffplay.c
@@ -192,6 +192,7 @@ static int screen_width = 640;
static int screen_height = 480;
static int audio_disable;
static int video_disable;
+static int seek_by_bytes;
static int display_disable;
static int show_status;
static int av_sync_type = AV_SYNC_AUDIO_MASTER;
@@ -918,6 +919,8 @@ static void stream_seek(VideoState *is, int64_t pos, int rel)
if (!is->seek_req) {
is->seek_pos = pos;
is->seek_flags = rel < 0 ? AVSEEK_FLAG_BACKWARD : 0;
+ if (seek_by_bytes)
+ is->seek_flags |= AVSEEK_FLAG_BYTE;
is->seek_req = 1;
}
}
@@ -2222,9 +2225,19 @@ static void event_loop(void)
incr = -60.0;
do_seek:
if (cur_stream) {
- pos = get_master_clock(cur_stream);
- pos += incr;
- stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
+ if (seek_by_bytes) {
+ pos = url_ftell(&cur_stream->ic->pb);
+ if (cur_stream->ic->bit_rate)
+ incr *= cur_stream->ic->bit_rate / 60.0;
+ else
+ incr *= 180000.0;
+ pos += incr;
+ stream_seek(cur_stream, pos, incr);
+ } else {
+ pos = get_master_clock(cur_stream);
+ pos += incr;
+ stream_seek(cur_stream, (int64_t)(pos * AV_TIME_BASE), incr);
+ }
}
break;
default:
@@ -2344,6 +2357,7 @@ const OptionDef options[] = {
{ "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
{ "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
{ "ss", HAS_ARG, {(void*)&opt_seek}, "seek to a given position in seconds", "pos" },
+ { "bytes", OPT_BOOL, {(void*)&seek_by_bytes}, "seek by bytes" },
{ "nodisp", OPT_BOOL, {(void*)&display_disable}, "disable graphical display" },
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
{ "stats", OPT_BOOL | OPT_EXPERT, {(void*)&show_status}, "show status", "" },