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authorAnton Khirnov <anton@khirnov.net>2014-06-09 14:21:56 +0200
committerAnton Khirnov <anton@khirnov.net>2014-06-18 14:55:28 +0200
commit894682a9739eb8d4bfc024b0d4e5757fcfe47378 (patch)
tree90ef81afc38381df7e8c54bd7e5d4c34b1b364e7 /libavformat/ffmenc.c
parentf2ce63246f5c934429f9cb857a794e07624d7912 (diff)
downloadffmpeg-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.c249
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,
-};