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author | Anton Khirnov <anton@khirnov.net> | 2014-06-09 14:21:56 +0200 |
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committer | Anton Khirnov <anton@khirnov.net> | 2014-06-18 14:55:28 +0200 |
commit | 894682a9739eb8d4bfc024b0d4e5757fcfe47378 (patch) | |
tree | 90ef81afc38381df7e8c54bd7e5d4c34b1b364e7 /libavformat/ffmenc.c | |
parent | f2ce63246f5c934429f9cb857a794e07624d7912 (diff) | |
download | ffmpeg-894682a9739eb8d4bfc024b0d4e5757fcfe47378.tar.gz |
Remove avserver.
It has not been properly maintained for years and there is little hope
of that changing in the future.
It appears simpler to write a new replacement from scratch than
unbreaking it.
Diffstat (limited to 'libavformat/ffmenc.c')
-rw-r--r-- | libavformat/ffmenc.c | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/libavformat/ffmenc.c b/libavformat/ffmenc.c deleted file mode 100644 index 91658e12dd..0000000000 --- a/libavformat/ffmenc.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * FFM (avserver live feed) muxer - * Copyright (c) 2001 Fabrice Bellard - * - * This file is part of Libav. - * - * Libav 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. - * - * Libav 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 Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <assert.h> - -#include "libavutil/intreadwrite.h" -#include "libavutil/intfloat.h" -#include "avformat.h" -#include "internal.h" -#include "ffm.h" - -static void flush_packet(AVFormatContext *s) -{ - FFMContext *ffm = s->priv_data; - int fill_size, h; - AVIOContext *pb = s->pb; - - fill_size = ffm->packet_end - ffm->packet_ptr; - memset(ffm->packet_ptr, 0, fill_size); - - assert(avio_tell(pb) % ffm->packet_size == 0); - - /* put header */ - avio_wb16(pb, PACKET_ID); - avio_wb16(pb, fill_size); - avio_wb64(pb, ffm->dts); - h = ffm->frame_offset; - if (ffm->first_packet) - h |= 0x8000; - avio_wb16(pb, h); - avio_write(pb, ffm->packet, ffm->packet_end - ffm->packet); - avio_flush(pb); - - /* prepare next packet */ - ffm->frame_offset = 0; /* no key frame */ - ffm->packet_ptr = ffm->packet; - ffm->first_packet = 0; -} - -/* 'first' is true if first data of a frame */ -static void ffm_write_data(AVFormatContext *s, - const uint8_t *buf, int size, - int64_t dts, int header) -{ - FFMContext *ffm = s->priv_data; - int len; - - if (header && ffm->frame_offset == 0) { - ffm->frame_offset = ffm->packet_ptr - ffm->packet + FFM_HEADER_SIZE; - ffm->dts = dts; - } - - /* write as many packets as needed */ - while (size > 0) { - len = ffm->packet_end - ffm->packet_ptr; - if (len > size) - len = size; - memcpy(ffm->packet_ptr, buf, len); - - ffm->packet_ptr += len; - buf += len; - size -= len; - if (ffm->packet_ptr >= ffm->packet_end) - flush_packet(s); - } -} - -static int ffm_write_header(AVFormatContext *s) -{ - FFMContext *ffm = s->priv_data; - AVStream *st; - AVIOContext *pb = s->pb; - AVCodecContext *codec; - int bit_rate, i; - - ffm->packet_size = FFM_PACKET_SIZE; - - /* header */ - avio_wl32(pb, MKTAG('F', 'F', 'M', '1')); - avio_wb32(pb, ffm->packet_size); - avio_wb64(pb, 0); /* current write position */ - - avio_wb32(pb, s->nb_streams); - bit_rate = 0; - for(i=0;i<s->nb_streams;i++) { - st = s->streams[i]; - bit_rate += st->codec->bit_rate; - } - avio_wb32(pb, bit_rate); - - /* list of streams */ - for(i=0;i<s->nb_streams;i++) { - st = s->streams[i]; - avpriv_set_pts_info(st, 64, 1, 1000000); - - codec = st->codec; - /* generic info */ - avio_wb32(pb, codec->codec_id); - avio_w8(pb, codec->codec_type); - avio_wb32(pb, codec->bit_rate); - avio_wb32(pb, codec->flags); - avio_wb32(pb, codec->flags2); - avio_wb32(pb, codec->debug); - /* specific info */ - switch(codec->codec_type) { - case AVMEDIA_TYPE_VIDEO: - avio_wb32(pb, codec->time_base.num); - avio_wb32(pb, codec->time_base.den); - avio_wb16(pb, codec->width); - avio_wb16(pb, codec->height); - avio_wb16(pb, codec->gop_size); - avio_wb32(pb, codec->pix_fmt); - avio_w8(pb, codec->qmin); - avio_w8(pb, codec->qmax); - avio_w8(pb, codec->max_qdiff); - avio_wb16(pb, (int) (codec->qcompress * 10000.0)); - avio_wb16(pb, (int) (codec->qblur * 10000.0)); - avio_wb32(pb, codec->bit_rate_tolerance); - avio_put_str(pb, codec->rc_eq ? codec->rc_eq : "tex^qComp"); - avio_wb32(pb, codec->rc_max_rate); - avio_wb32(pb, codec->rc_min_rate); - avio_wb32(pb, codec->rc_buffer_size); - avio_wb64(pb, av_double2int(codec->i_quant_factor)); - avio_wb64(pb, av_double2int(codec->b_quant_factor)); - avio_wb64(pb, av_double2int(codec->i_quant_offset)); - avio_wb64(pb, av_double2int(codec->b_quant_offset)); - avio_wb32(pb, codec->dct_algo); - avio_wb32(pb, codec->strict_std_compliance); - avio_wb32(pb, codec->max_b_frames); - avio_wb32(pb, codec->mpeg_quant); - avio_wb32(pb, codec->intra_dc_precision); - avio_wb32(pb, codec->me_method); - avio_wb32(pb, codec->mb_decision); - avio_wb32(pb, codec->nsse_weight); - avio_wb32(pb, codec->frame_skip_cmp); - avio_wb64(pb, av_double2int(codec->rc_buffer_aggressivity)); - avio_wb32(pb, codec->codec_tag); - avio_w8(pb, codec->thread_count); - avio_wb32(pb, codec->coder_type); - avio_wb32(pb, codec->me_cmp); - avio_wb32(pb, codec->me_subpel_quality); - avio_wb32(pb, codec->me_range); - avio_wb32(pb, codec->keyint_min); - avio_wb32(pb, codec->scenechange_threshold); - avio_wb32(pb, codec->b_frame_strategy); - avio_wb64(pb, av_double2int(codec->qcompress)); - avio_wb64(pb, av_double2int(codec->qblur)); - avio_wb32(pb, codec->max_qdiff); - avio_wb32(pb, codec->refs); - break; - case AVMEDIA_TYPE_AUDIO: - avio_wb32(pb, codec->sample_rate); - avio_wl16(pb, codec->channels); - avio_wl16(pb, codec->frame_size); - break; - default: - return -1; - } - if (codec->flags & CODEC_FLAG_GLOBAL_HEADER) { - avio_wb32(pb, codec->extradata_size); - avio_write(pb, codec->extradata, codec->extradata_size); - } - } - - /* flush until end of block reached */ - while ((avio_tell(pb) % ffm->packet_size) != 0) - avio_w8(pb, 0); - - avio_flush(pb); - - /* init packet mux */ - ffm->packet_ptr = ffm->packet; - ffm->packet_end = ffm->packet + ffm->packet_size - FFM_HEADER_SIZE; - assert(ffm->packet_end >= ffm->packet); - ffm->frame_offset = 0; - ffm->dts = 0; - ffm->first_packet = 1; - - return 0; -} - -static int ffm_write_packet(AVFormatContext *s, AVPacket *pkt) -{ - int64_t dts; - uint8_t header[FRAME_HEADER_SIZE+4]; - int header_size = FRAME_HEADER_SIZE; - - dts = pkt->dts; - /* packet size & key_frame */ - header[0] = pkt->stream_index; - header[1] = 0; - if (pkt->flags & AV_PKT_FLAG_KEY) - header[1] |= FLAG_KEY_FRAME; - AV_WB24(header+2, pkt->size); - AV_WB24(header+5, pkt->duration); - AV_WB64(header+8, pkt->pts); - if (pkt->pts != pkt->dts) { - header[1] |= FLAG_DTS; - AV_WB32(header+16, pkt->pts - pkt->dts); - header_size += 4; - } - ffm_write_data(s, header, header_size, dts, 1); - ffm_write_data(s, pkt->data, pkt->size, dts, 0); - - return 0; -} - -static int ffm_write_trailer(AVFormatContext *s) -{ - FFMContext *ffm = s->priv_data; - - /* flush packets */ - if (ffm->packet_ptr > ffm->packet) - flush_packet(s); - - return 0; -} - -AVOutputFormat ff_ffm_muxer = { - .name = "ffm", - .long_name = NULL_IF_CONFIG_SMALL("FFM (AVserver live feed)"), - .mime_type = "", - .extensions = "ffm", - .priv_data_size = sizeof(FFMContext), - .audio_codec = AV_CODEC_ID_MP2, - .video_codec = AV_CODEC_ID_MPEG1VIDEO, - .write_header = ffm_write_header, - .write_packet = ffm_write_packet, - .write_trailer = ffm_write_trailer, - .flags = AVFMT_TS_NEGATIVE, -}; |