From 58a830239d17dede16d9affdb4e6fc9135f94991 Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Fri, 15 May 2009 04:43:44 +0000 Subject: remove unneeded length checks Originally committed as revision 18834 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/mxfenc.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'libavformat/mxfenc.c') diff --git a/libavformat/mxfenc.c b/libavformat/mxfenc.c index ab8f36b487..d7e9929f8b 100644 --- a/libavformat/mxfenc.c +++ b/libavformat/mxfenc.c @@ -1308,7 +1308,7 @@ static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt for(i = 0; i < pkt->size - 4; i++) { c = (c<<8) + pkt->data[i]; if (c == 0x1B5) { - if (i + 2 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x10) { // seq ext + if ((pkt->data[i+1] & 0xf0) == 0x10) { // seq ext st->codec->profile = pkt->data[i+1] & 0x07; st->codec->level = pkt->data[i+2] >> 4; } else if (i + 5 < pkt->size && (pkt->data[i+1] & 0xf0) == 0x80) { // pict coding ext @@ -1316,7 +1316,6 @@ static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt break; } } else if (c == 0x1b8) { // gop - if (i + 4 < pkt->size) { if (pkt->data[i+4]>>6 & 0x01) // closed *flags |= 0x80; // random access if (!mxf->header_written) { @@ -1334,10 +1333,8 @@ static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt av_log(s, AV_LOG_DEBUG, "frame %d %d:%d:%d%c%d\n", mxf->timecode_start, hours, minutes, seconds, mxf->timecode_drop_frame ? ';':':', frames); } - } } else if (c == 0x1b3) { // seq *flags |= 0x40; - if (i + 4 < pkt->size) { switch ((pkt->data[i+4]>>4) & 0xf) { case 2: sc->aspect_ratio = (AVRational){ 4, 3}; break; case 3: sc->aspect_ratio = (AVRational){ 16, 9}; break; @@ -1346,7 +1343,6 @@ static int mxf_parse_mpeg2_frame(AVFormatContext *s, AVStream *st, AVPacket *pkt av_reduce(&sc->aspect_ratio.num, &sc->aspect_ratio.den, st->codec->width, st->codec->height, 1024*1024); } - } } else if (c == 0x100) { // pic int pict_type = (pkt->data[i+2]>>3) & 0x07; if (pict_type == 2) { // P frame -- cgit v1.2.3