From 3c6a9f66b9b46a158ce6ddb74637f8298d7ab4da Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Mon, 9 Jun 2008 07:43:14 +0000 Subject: pass dts and pts through ffm, should fix streaming b frames Originally committed as revision 13725 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/ffmdec.c | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'libavformat/ffmdec.c') diff --git a/libavformat/ffmdec.c b/libavformat/ffmdec.c index dd9fa9789b..7f9cf9a853 100644 --- a/libavformat/ffmdec.c +++ b/libavformat/ffmdec.c @@ -100,7 +100,6 @@ static int ffm_read_data(AVFormatContext *s, get_be16(pb); /* PACKET_ID */ fill_size = get_be16(pb); ffm->pts = get_be64(pb); - ffm->first_frame_in_packet = 1; frame_offset = get_be16(pb); get_buffer(pb, ffm->packet, ffm->packet_size - FFM_HEADER_SIZE); ffm->packet_end = ffm->packet + (ffm->packet_size - FFM_HEADER_SIZE - fill_size); @@ -361,7 +360,7 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt) switch(ffm->read_state) { case READ_HEADER: - if (!ffm_is_avail_data(s, FRAME_HEADER_SIZE)) { + if (!ffm_is_avail_data(s, FRAME_HEADER_SIZE+4)) { return AVERROR(EAGAIN); } dprintf(s, "pos=%08"PRIx64" spos=%"PRIx64", write_index=%"PRIx64" size=%"PRIx64"\n", @@ -369,6 +368,9 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt) if (ffm_read_data(s, ffm->header, FRAME_HEADER_SIZE, 1) != FRAME_HEADER_SIZE) return AVERROR(EAGAIN); + if (ffm->header[1] & FLAG_DTS) + if (ffm_read_data(s, ffm->header+16, 4, 1) != 4) + return AVERROR(EAGAIN); #if 0 av_hexdump_log(s, AV_LOG_DEBUG, ffm->header, FRAME_HEADER_SIZE); #endif @@ -400,11 +402,11 @@ static int ffm_read_packet(AVFormatContext *s, AVPacket *pkt) av_free_packet(pkt); return AVERROR(EAGAIN); } - if (ffm->first_frame_in_packet) - { - pkt->pts = ffm->pts; - ffm->first_frame_in_packet = 0; - } + pkt->pts = AV_RB64(ffm->header+8); + if (ffm->header[1] & FLAG_DTS) + pkt->dts = pkt->pts - AV_RB32(ffm->header+16); + else + pkt->dts = pkt->pts; pkt->duration = duration; break; } -- cgit v1.2.3