From 1c77a5307fcaba02c82071d333290423faba03d4 Mon Sep 17 00:00:00 2001
From: Paul B Mahol <onemda@gmail.com>
Date: Tue, 14 Feb 2012 03:48:42 +0000
Subject: [PATCH] smjpegdec: implement seeking
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Diego Biurrun <diego@biurrun.de>
---
libavformat/smjpegdec.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/smjpegdec.c b/libavformat/smjpegdec.c
index 05a92839da7..7764c0f34dd 100644
--- a/libavformat/smjpegdec.c
+++ b/libavformat/smjpegdec.c
@@ -136,9 +136,11 @@ static int smjpeg_read_packet(AVFormatContext *s, AVPacket *pkt)
{
SMJPEGContext *sc = s->priv_data;
uint32_t dtype, ret, size, timestamp;
+ int64_t pos;
if (s->pb->eof_reached)
return AVERROR_EOF;
+ pos = avio_tell(s->pb);
dtype = avio_rl32(s->pb);
switch (dtype) {
case SMJPEG_SNDD:
@@ -147,6 +149,7 @@ static int smjpeg_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(s->pb, pkt, size);
pkt->stream_index = sc->audio_stream_index;
pkt->pts = timestamp;
+ pkt->pos = pos;
break;
case SMJPEG_VIDD:
timestamp = avio_rb32(s->pb);
@@ -154,6 +157,7 @@ static int smjpeg_read_packet(AVFormatContext *s, AVPacket *pkt)
ret = av_get_packet(s->pb, pkt, size);
pkt->stream_index = sc->video_stream_index;
pkt->pts = timestamp;
+ pkt->pos = pos;
break;
case SMJPEG_DONE:
ret = AVERROR_EOF;
@@ -174,4 +178,5 @@ AVInputFormat ff_smjpeg_demuxer = {
.read_header = smjpeg_read_header,
.read_packet = smjpeg_read_packet,
.extensions = "mjpg",
+ .flags = AVFMT_GENERIC_INDEX,
};
--
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