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| author | Anton Khirnov <anton@khirnov.net> | 2011-03-15 09:14:38 +0100 |
|---|---|---|
| committer | Ronald S. Bultje <rsbultje@gmail.com> | 2011-03-16 22:24:51 -0400 |
| commit | 45a8a02a4151c9ff0d1161bf90bffcfbbb312fb8 (patch) | |
| tree | 79beacdc9d6d90d0e31558526d83033200f4361d /libavformat/nuv.c | |
| parent | cbf5d22d24945e52b3c1e4c1a00d4d8179be930a (diff) | |
| download | ffmpeg-45a8a02a4151c9ff0d1161bf90bffcfbbb312fb8.tar.gz | |
lavf: replace avio_seek(SEEK_CUR) with avio_skip where it makes sense
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
Diffstat (limited to 'libavformat/nuv.c')
| -rw-r--r-- | libavformat/nuv.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/libavformat/nuv.c b/libavformat/nuv.c index bd2e28145e..5d63291868 100644 --- a/libavformat/nuv.c +++ b/libavformat/nuv.c @@ -66,7 +66,7 @@ static int get_codec_data(AVIOContext *pb, AVStream *vst, switch (frametype) { case NUV_EXTRADATA: subtype = avio_r8(pb); - avio_seek(pb, 6, SEEK_CUR); + avio_skip(pb, 6); size = PKTSIZE(avio_rl32(pb)); if (vst && subtype == 'R') { vst->codec->extradata_size = size; @@ -78,7 +78,7 @@ static int get_codec_data(AVIOContext *pb, AVStream *vst, } break; case NUV_MYTHEXT: - avio_seek(pb, 7, SEEK_CUR); + avio_skip(pb, 7); size = PKTSIZE(avio_rl32(pb)); if (size != 128 * 4) break; @@ -90,7 +90,7 @@ static int get_codec_data(AVIOContext *pb, AVStream *vst, if (vst->codec->codec_tag == MKTAG('R', 'J', 'P', 'G')) vst->codec->codec_id = CODEC_ID_NUV; } else - avio_seek(pb, 4, SEEK_CUR); + avio_skip(pb, 4); if (ast) { ast->codec->codec_tag = avio_rl32(pb); @@ -102,20 +102,20 @@ static int get_codec_data(AVIOContext *pb, AVStream *vst, ast->codec->bits_per_coded_sample); ast->need_parsing = AVSTREAM_PARSE_FULL; } else - avio_seek(pb, 4 * 4, SEEK_CUR); + avio_skip(pb, 4 * 4); size -= 6 * 4; - avio_seek(pb, size, SEEK_CUR); + avio_skip(pb, size); return 1; case NUV_SEEKP: size = 11; break; default: - avio_seek(pb, 7, SEEK_CUR); + avio_skip(pb, 7); size = PKTSIZE(avio_rl32(pb)); break; } - avio_seek(pb, size, SEEK_CUR); + avio_skip(pb, size); } return 0; } @@ -130,14 +130,14 @@ static int nuv_header(AVFormatContext *s, AVFormatParameters *ap) { AVStream *vst = NULL, *ast = NULL; avio_read(pb, id_string, 12); is_mythtv = !memcmp(id_string, "MythTVVideo", 12); - avio_seek(pb, 5, SEEK_CUR); // version string - avio_seek(pb, 3, SEEK_CUR); // padding + avio_skip(pb, 5); // version string + avio_skip(pb, 3); // padding width = avio_rl32(pb); height = avio_rl32(pb); avio_rl32(pb); // unused, "desiredwidth" avio_rl32(pb); // unused, "desiredheight" avio_r8(pb); // 'P' == progressive, 'I' == interlaced - avio_seek(pb, 3, SEEK_CUR); // padding + avio_skip(pb, 3); // padding aspect = av_int2dbl(avio_rl64(pb)); if (aspect > 0.9999 && aspect < 1.0001) aspect = 4.0 / 3.0; @@ -206,13 +206,13 @@ static int nuv_packet(AVFormatContext *s, AVPacket *pkt) { switch (frametype) { case NUV_EXTRADATA: if (!ctx->rtjpg_video) { - avio_seek(pb, size, SEEK_CUR); + avio_skip(pb, size); break; } case NUV_VIDEO: if (ctx->v_id < 0) { av_log(s, AV_LOG_ERROR, "Video packet in file without video stream!\n"); - avio_seek(pb, size, SEEK_CUR); + avio_skip(pb, size); break; } ret = av_new_packet(pkt, copyhdrsize + size); @@ -236,7 +236,7 @@ static int nuv_packet(AVFormatContext *s, AVPacket *pkt) { case NUV_AUDIO: if (ctx->a_id < 0) { av_log(s, AV_LOG_ERROR, "Audio packet in file without audio stream!\n"); - avio_seek(pb, size, SEEK_CUR); + avio_skip(pb, size); break; } ret = av_get_packet(pb, pkt, size); @@ -250,7 +250,7 @@ static int nuv_packet(AVFormatContext *s, AVPacket *pkt) { // contains no data, size value is invalid break; default: - avio_seek(pb, size, SEEK_CUR); + avio_skip(pb, size); break; } } |