From 1454618426f6983691eba3b89d4272641297405d Mon Sep 17 00:00:00 2001 From: Michael Karcher Date: Sun, 17 Jan 2010 00:23:08 +0000 Subject: Support demuxing of Sony OpenMG files without metadata header. Original patch by Michael Karcher, ffmpeg A mkarcher dialup fu-berlin de Originally committed as revision 21257 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/oma.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'libavformat/oma.c') diff --git a/libavformat/oma.c b/libavformat/oma.c index cc512cae76..b0d2607ccb 100644 --- a/libavformat/oma.c +++ b/libavformat/oma.c @@ -78,6 +78,7 @@ static int oma_read_header(AVFormatContext *s, if (ret != 10) return -1; + if(!memcmp(buf, "ea3", 3)) { ea3_taglen = ((buf[6] & 0x7f) << 21) | ((buf[7] & 0x7f) << 14) | ((buf[8] & 0x7f) << 7) | (buf[9] & 0x7f); EA3_pos = ea3_taglen + 10; @@ -88,6 +89,10 @@ static int oma_read_header(AVFormatContext *s, ret = get_buffer(s->pb, buf, EA3_HEADER_SIZE); if (ret != EA3_HEADER_SIZE) return -1; + } else { + ret = get_buffer(s->pb, buf + 10, EA3_HEADER_SIZE - 10); + EA3_pos = 0; + } if (memcmp(buf, ((const uint8_t[]){'E', 'A', '3'}),3) || buf[4] != 0 || buf[5] != EA3_HEADER_SIZE) { av_log(s, AV_LOG_ERROR, "Couldn't find the EA3 header !\n"); @@ -177,7 +182,9 @@ static int oma_read_packet(AVFormatContext *s, AVPacket *pkt) static int oma_read_probe(AVProbeData *p) { - if (!memcmp(p->buf, ((const uint8_t[]){'e', 'a', '3', 3, 0}),5)) + if (!memcmp(p->buf, ((const uint8_t[]){'e', 'a', '3', 3, 0}), 5) || + (!memcmp(p->buf, "EA3", 3) && + !p->buf[4] && p->buf[5] == EA3_HEADER_SIZE)) return AVPROBE_SCORE_MAX; else return 0; -- cgit v1.2.3