diff --git a/libavformat/Makefile b/libavformat/Makefile index 7ccc033362..a2735e09f7 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -54,7 +54,7 @@ OBJS-$(CONFIG_DAUD_DEMUXER) += daud.o OBJS-$(CONFIG_DAUD_MUXER) += daud.o OBJS-$(CONFIG_DIRAC_DEMUXER) += diracdec.o raw.o OBJS-$(CONFIG_DIRAC_MUXER) += raw.o -OBJS-$(CONFIG_DNXHD_DEMUXER) += raw.o +OBJS-$(CONFIG_DNXHD_DEMUXER) += dnxhddec.o raw.o OBJS-$(CONFIG_DNXHD_MUXER) += raw.o OBJS-$(CONFIG_DSICIN_DEMUXER) += dsicin.o OBJS-$(CONFIG_DTS_DEMUXER) += dtsdec.o raw.o diff --git a/libavformat/dnxhddec.c b/libavformat/dnxhddec.c new file mode 100644 index 0000000000..26e39699c6 --- /dev/null +++ b/libavformat/dnxhddec.c @@ -0,0 +1,54 @@ +/* + * RAW DNxHD (SMPTE VC-3) demuxer + * Copyright (c) 2008 Baptiste Coudurier + * Copyright (c) 2009 Reimar Döffinger + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/intreadwrite.h" +#include "avformat.h" +#include "raw.h" + +static int dnxhd_probe(AVProbeData *p) +{ + static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01}; + int w, h, compression_id; + if (p->buf_size < 0x2c) + return 0; + if (memcmp(p->buf, header, 5)) + return 0; + h = AV_RB16(p->buf + 0x18); + w = AV_RB16(p->buf + 0x1a); + if (!w || !h) + return 0; + compression_id = AV_RB32(p->buf + 0x28); + if (compression_id < 1237 || compression_id > 1253) + return 0; + return AVPROBE_SCORE_MAX; +} + +AVInputFormat dnxhd_demuxer = { + "dnxhd", + NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"), + 0, + dnxhd_probe, + ff_raw_video_read_header, + ff_raw_read_partial_packet, + .flags= AVFMT_GENERIC_INDEX, + .value = CODEC_ID_DNXHD, +}; diff --git a/libavformat/raw.c b/libavformat/raw.c index 2708e0e191..7504b7e81a 100644 --- a/libavformat/raw.c +++ b/libavformat/raw.c @@ -241,26 +241,6 @@ int ff_raw_video_read_header(AVFormatContext *s, } #endif -#if CONFIG_DNXHD_DEMUXER -static int dnxhd_probe(AVProbeData *p) -{ - static const uint8_t header[] = {0x00,0x00,0x02,0x80,0x01}; - int w, h, compression_id; - if (p->buf_size < 0x2c) - return 0; - if (memcmp(p->buf, header, 5)) - return 0; - h = AV_RB16(p->buf + 0x18); - w = AV_RB16(p->buf + 0x1a); - if (!w || !h) - return 0; - compression_id = AV_RB32(p->buf + 0x28); - if (compression_id < 1237 || compression_id > 1253) - return 0; - return AVPROBE_SCORE_MAX; -} -#endif - #if CONFIG_AC3_DEMUXER || CONFIG_EAC3_DEMUXER static int ac3_eac3_probe(AVProbeData *p, enum CodecID expected_codec_id) { @@ -363,19 +343,6 @@ AVOutputFormat dirac_muxer = { }; #endif -#if CONFIG_DNXHD_DEMUXER -AVInputFormat dnxhd_demuxer = { - "dnxhd", - NULL_IF_CONFIG_SMALL("raw DNxHD (SMPTE VC-3)"), - 0, - dnxhd_probe, - ff_raw_video_read_header, - ff_raw_read_partial_packet, - .flags= AVFMT_GENERIC_INDEX, - .value = CODEC_ID_DNXHD, -}; -#endif - #if CONFIG_DNXHD_MUXER AVOutputFormat dnxhd_muxer = { "dnxhd",