From caee91f7d038f80893b3c1ccdcd1bc44a9a19351 Mon Sep 17 00:00:00 2001 From: Justin Ruggles Date: Thu, 26 Feb 2009 02:21:43 +0000 Subject: [PATCH] Separate the raw FLAC muxer from raw.c to its own file, flacenc.c. Originally committed as revision 17601 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/Makefile | 2 +- libavformat/flacenc.c | 74 +++++++++++++++++++++++++++++++++++++++++++ libavformat/raw.c | 48 ---------------------------- 3 files changed, 75 insertions(+), 49 deletions(-) create mode 100644 libavformat/flacenc.c diff --git a/libavformat/Makefile b/libavformat/Makefile index 4dcb2d491c..505a6ba825 100644 --- a/libavformat/Makefile +++ b/libavformat/Makefile @@ -54,7 +54,7 @@ OBJS-$(CONFIG_EAC3_MUXER) += raw.o OBJS-$(CONFIG_FFM_DEMUXER) += ffmdec.o OBJS-$(CONFIG_FFM_MUXER) += ffmenc.o OBJS-$(CONFIG_FLAC_DEMUXER) += raw.o id3v2.o -OBJS-$(CONFIG_FLAC_MUXER) += raw.o +OBJS-$(CONFIG_FLAC_MUXER) += flacenc.o OBJS-$(CONFIG_FLIC_DEMUXER) += flic.o OBJS-$(CONFIG_FLV_DEMUXER) += flvdec.o OBJS-$(CONFIG_FLV_MUXER) += flvenc.o avc.o diff --git a/libavformat/flacenc.c b/libavformat/flacenc.c new file mode 100644 index 0000000000..093a07a823 --- /dev/null +++ b/libavformat/flacenc.c @@ -0,0 +1,74 @@ +/* + * raw FLAC muxer + * Copyright (c) 2006-2009 Justin Ruggles + * + * 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 "avformat.h" + +static int flac_write_header(struct AVFormatContext *s) +{ + static const uint8_t header[8] = { + 0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22 + }; + uint8_t *streaminfo = s->streams[0]->codec->extradata; + int len = s->streams[0]->codec->extradata_size; + if(streaminfo != NULL && len > 0) { + put_buffer(s->pb, header, 8); + put_buffer(s->pb, streaminfo, len); + } + return 0; +} + +static int flac_write_trailer(struct AVFormatContext *s) +{ + ByteIOContext *pb = s->pb; + uint8_t *streaminfo = s->streams[0]->codec->extradata; + int len = s->streams[0]->codec->extradata_size; + int64_t file_size; + + if (streaminfo && len > 0 && !url_is_streamed(s->pb)) { + file_size = url_ftell(pb); + url_fseek(pb, 8, SEEK_SET); + put_buffer(pb, streaminfo, len); + url_fseek(pb, file_size, SEEK_SET); + put_flush_packet(pb); + } + return 0; +} + +static int flac_write_packet(struct AVFormatContext *s, AVPacket *pkt) +{ + put_buffer(s->pb, pkt->data, pkt->size); + put_flush_packet(s->pb); + return 0; +} + +AVOutputFormat flac_muxer = { + "flac", + NULL_IF_CONFIG_SMALL("raw FLAC"), + "audio/x-flac", + "flac", + 0, + CODEC_ID_FLAC, + CODEC_ID_NONE, + flac_write_header, + flac_write_packet, + flac_write_trailer, + .flags= AVFMT_NOTIMESTAMPS, +}; diff --git a/libavformat/raw.c b/libavformat/raw.c index 56a486dc06..273c3ec4e1 100644 --- a/libavformat/raw.c +++ b/libavformat/raw.c @@ -29,38 +29,6 @@ #include "id3v2.h" /* simple formats */ -#if CONFIG_FLAC_MUXER -static int flac_write_header(struct AVFormatContext *s) -{ - static const uint8_t header[8] = { - 0x66, 0x4C, 0x61, 0x43, 0x80, 0x00, 0x00, 0x22 - }; - uint8_t *streaminfo = s->streams[0]->codec->extradata; - int len = s->streams[0]->codec->extradata_size; - if(streaminfo != NULL && len > 0) { - put_buffer(s->pb, header, 8); - put_buffer(s->pb, streaminfo, len); - } - return 0; -} - -static int flac_write_trailer(struct AVFormatContext *s) -{ - ByteIOContext *pb = s->pb; - uint8_t *streaminfo = s->streams[0]->codec->extradata; - int len = s->streams[0]->codec->extradata_size; - int64_t file_size; - - if (streaminfo && len > 0 && !url_is_streamed(s->pb)) { - file_size = url_ftell(pb); - url_fseek(pb, 8, SEEK_SET); - put_buffer(pb, streaminfo, len); - url_fseek(pb, file_size, SEEK_SET); - put_flush_packet(pb); - } - return 0; -} -#endif #if CONFIG_ROQ_MUXER static int roq_write_header(struct AVFormatContext *s) @@ -851,22 +819,6 @@ AVInputFormat flac_demuxer = { }; #endif -#if CONFIG_FLAC_MUXER -AVOutputFormat flac_muxer = { - "flac", - NULL_IF_CONFIG_SMALL("raw FLAC"), - "audio/x-flac", - "flac", - 0, - CODEC_ID_FLAC, - CODEC_ID_NONE, - flac_write_header, - raw_write_packet, - flac_write_trailer, - .flags= AVFMT_NOTIMESTAMPS, -}; -#endif - #if CONFIG_GSM_DEMUXER AVInputFormat gsm_demuxer = { "gsm",