1 files changed, 0 insertions, 292 deletions

diff --git a/src/plugins/ffmpeg/libavformat/oggenc.c b/src/plugins/ffmpeg/libavformat/oggenc.c
deleted file mode 100644
index 9233c72..0000000
--- a/src/plugins/ffmpeg/libavformat/oggenc.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * Ogg muxer
- * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at free dot fr>
- *
- * 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/crc.h"
-#include "libavcodec/xiph.h"
-#include "libavcodec/bytestream.h"
-#include "avformat.h"
-
-typedef struct {
-    int64_t duration;
-    unsigned page_counter;
-    uint8_t *header[3];
-    int header_len[3];
-    /** for theora granule */
-    int kfgshift;
-    int64_t last_kf_pts;
-    int vrev;
-    int eos;
-} OGGStreamContext;
-
-static void ogg_update_checksum(AVFormatContext *s, offset_t crc_offset)
-{
-    offset_t pos = url_ftell(s->pb);
-    uint32_t checksum = get_checksum(s->pb);
-    url_fseek(s->pb, crc_offset, SEEK_SET);
-    put_be32(s->pb, checksum);
-    url_fseek(s->pb, pos, SEEK_SET);
-}
-
-static int ogg_write_page(AVFormatContext *s, const uint8_t *data, int size,
-                          int64_t granule, int stream_index, int flags)
-{
-    OGGStreamContext *oggstream = s->streams[stream_index]->priv_data;
-    offset_t crc_offset;
-    int page_segments, i;
-
-    if (size >= 255*255) {
-        granule = -1;
-        size = 255*255;
-    } else if (oggstream->eos)
-        flags |= 4;
-
-    page_segments = FFMIN((size/255)+!!size, 255);
-
-    init_checksum(s->pb, ff_crc04C11DB7_update, 0);
-    put_tag(s->pb, "OggS");
-    put_byte(s->pb, 0);
-    put_byte(s->pb, flags);
-    put_le64(s->pb, granule);
-    put_le32(s->pb, stream_index);
-    put_le32(s->pb, oggstream->page_counter++);
-    crc_offset = url_ftell(s->pb);
-    put_le32(s->pb, 0); // crc
-    put_byte(s->pb, page_segments);
-    for (i = 0; i < page_segments-1; i++)
-        put_byte(s->pb, 255);
-    if (size) {
-        put_byte(s->pb, size - (page_segments-1)*255);
-        put_buffer(s->pb, data, size);
-    }
-    ogg_update_checksum(s, crc_offset);
-    put_flush_packet(s->pb);
-    return size;
-}
-
-static int ogg_build_flac_headers(const uint8_t *extradata, int extradata_size,
-                                  OGGStreamContext *oggstream, int bitexact)
-{
-    const char *vendor = bitexact ? "ffmpeg" : LIBAVFORMAT_IDENT;
-    uint8_t *p;
-    if (extradata_size != 34)
-        return -1;
-    oggstream->header_len[0] = 51;
-    oggstream->header[0] = av_mallocz(51); // per ogg flac specs
-    p = oggstream->header[0];
-    bytestream_put_byte(&p, 0x7F);
-    bytestream_put_buffer(&p, "FLAC", 4);
-    bytestream_put_byte(&p, 1); // major version
-    bytestream_put_byte(&p, 0); // minor version
-    bytestream_put_be16(&p, 1); // headers packets without this one
-    bytestream_put_buffer(&p, "fLaC", 4);
-    bytestream_put_byte(&p, 0x00); // streaminfo
-    bytestream_put_be24(&p, 34);
-    bytestream_put_buffer(&p, extradata, 34);
-    oggstream->header_len[1] = 1+3+4+strlen(vendor)+4;
-    oggstream->header[1] = av_mallocz(oggstream->header_len[1]);
-    p = oggstream->header[1];
-    bytestream_put_byte(&p, 0x84); // last metadata block and vorbis comment
-    bytestream_put_be24(&p, oggstream->header_len[1] - 4);
-    bytestream_put_le32(&p, strlen(vendor));
-    bytestream_put_buffer(&p, vendor, strlen(vendor));
-    bytestream_put_le32(&p, 0); // user comment list length
-    return 0;
-}
-
-static int ogg_write_header(AVFormatContext *s)
-{
-    OGGStreamContext *oggstream;
-    int i, j;
-    for (i = 0; i < s->nb_streams; i++) {
-        AVStream *st = s->streams[i];
-        if (st->codec->codec_type == CODEC_TYPE_AUDIO)
-            av_set_pts_info(st, 64, 1, st->codec->sample_rate);
-        else if (st->codec->codec_type == CODEC_TYPE_VIDEO)
-            av_set_pts_info(st, 64, st->codec->time_base.num, st->codec->time_base.den);
-        if (st->codec->codec_id != CODEC_ID_VORBIS &&
-            st->codec->codec_id != CODEC_ID_THEORA &&
-            st->codec->codec_id != CODEC_ID_FLAC) {
-            av_log(s, AV_LOG_ERROR, "Unsupported codec id in stream %d\n", i);
-            return -1;
-        }
-
-        if (!st->codec->extradata || !st->codec->extradata_size) {
-            av_log(s, AV_LOG_ERROR, "No extradata present\n");
-            return -1;
-        }
-        oggstream = av_mallocz(sizeof(*oggstream));
-        st->priv_data = oggstream;
-        if (st->codec->codec_id == CODEC_ID_FLAC) {
-            if (ogg_build_flac_headers(st->codec->extradata, st->codec->extradata_size,
-                                       oggstream, st->codec->flags & CODEC_FLAG_BITEXACT) < 0) {
-                av_log(s, AV_LOG_ERROR, "Extradata corrupted\n");
-                av_freep(&st->priv_data);
-            }
-        } else {
-            if (ff_split_xiph_headers(st->codec->extradata, st->codec->extradata_size,
-                                      st->codec->codec_id == CODEC_ID_VORBIS ? 30 : 42,
-                                      oggstream->header, oggstream->header_len) < 0) {
-                av_log(s, AV_LOG_ERROR, "Extradata corrupted\n");
-                av_freep(&st->priv_data);
-                return -1;
-            }
-            if (st->codec->codec_id == CODEC_ID_THEORA) {
-                /** KFGSHIFT is the width of the less significant section of the granule position
-                    The less significant section is the frame count since the last keyframe */
-                oggstream->kfgshift = ((oggstream->header[0][40]&3)<<3)|(oggstream->header[0][41]>>5);
-                oggstream->vrev = oggstream->header[0][9];
-                av_log(s, AV_LOG_DEBUG, "theora kfgshift %d, vrev %d\n",
-                       oggstream->kfgshift, oggstream->vrev);
-            }
-        }
-    }
-    for (i = 0; i < 3; i++) {
-        for (j = 0; j < s->nb_streams; j++) {
-            AVStream *st = s->streams[j];
-            OGGStreamContext *oggstream = st->priv_data;
-            if (oggstream && oggstream->header_len[i]) {
-                ogg_write_page(s, oggstream->header[i], oggstream->header_len[i],
-                               0, st->index, i ? 0 : 2); // bos
-            }
-        }
-    }
-    return 0;
-}
-
-static int ogg_write_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    AVStream *st = s->streams[pkt->stream_index];
-    OGGStreamContext *oggstream = st->priv_data;
-    uint8_t *ptr = pkt->data;
-    int ret, size = pkt->size;
-    int64_t granule;
-
-    if (st->codec->codec_id == CODEC_ID_THEORA) {
-        int64_t pts = oggstream->vrev < 1 ? pkt->pts : pkt->pts + pkt->duration;
-        int pframe_count;
-        if (pkt->flags & PKT_FLAG_KEY)
-            oggstream->last_kf_pts = pts;
-        pframe_count = pts - oggstream->last_kf_pts;
-        // prevent frame count from overflow if key frame flag is not set
-        if (pframe_count >= (1<<oggstream->kfgshift)) {
-            oggstream->last_kf_pts += pframe_count;
-            pframe_count = 0;
-        }
-        granule = (oggstream->last_kf_pts<<oggstream->kfgshift) | pframe_count;
-    } else
-        granule = pkt->pts + pkt->duration;
-    oggstream->duration = granule;
-    do {
-        ret = ogg_write_page(s, ptr, size, granule, pkt->stream_index, ptr != pkt->data);
-        ptr  += ret; size -= ret;
-    } while (size > 0 || ret == 255*255); // need to output a last nil page
-
-    return 0;
-}
-
-int ogg_interleave_per_granule(AVFormatContext *s, AVPacket *out, AVPacket *pkt, int flush)
-{
-    AVPacketList *pktl, **next_point, *this_pktl;
-    int stream_count = 0;
-    int streams[MAX_STREAMS] = {0};
-    int interleaved = 0;
-
-    if (pkt) {
-        AVStream *st = s->streams[pkt->stream_index];
-        this_pktl = av_mallocz(sizeof(AVPacketList));
-        this_pktl->pkt = *pkt;
-        if (pkt->destruct == av_destruct_packet)
-            pkt->destruct = NULL; // not shared -> must keep original from being freed
-        else
-            av_dup_packet(&this_pktl->pkt); // shared -> must dup
-        next_point = &s->packet_buffer;
-        while (*next_point) {
-            AVStream *st2 = s->streams[(*next_point)->pkt.stream_index];
-            AVPacket *next_pkt = &(*next_point)->pkt;
-            int64_t cur_granule, next_granule;
-            next_granule = av_rescale_q(next_pkt->pts + next_pkt->duration,
-                                        st2->time_base, AV_TIME_BASE_Q);
-            cur_granule = av_rescale_q(pkt->pts + pkt->duration,
-                                       st->time_base, AV_TIME_BASE_Q);
-            if (next_granule > cur_granule)
-                break;
-            next_point= &(*next_point)->next;
-        }
-        this_pktl->next= *next_point;
-        *next_point= this_pktl;
-    }
-
-    pktl = s->packet_buffer;
-    while (pktl) {
-        if (streams[pktl->pkt.stream_index] == 0)
-            stream_count++;
-        streams[pktl->pkt.stream_index]++;
-        // need to buffer at least one packet to set eos flag
-        if (streams[pktl->pkt.stream_index] == 2)
-            interleaved++;
-        pktl = pktl->next;
-    }
-
-    if ((s->nb_streams == stream_count && interleaved == stream_count) ||
-        (flush && stream_count)) {
-        pktl= s->packet_buffer;
-        *out= pktl->pkt;
-        s->packet_buffer = pktl->next;
-        if (flush && streams[out->stream_index] == 1) {
-            OGGStreamContext *ogg = s->streams[out->stream_index]->priv_data;
-            ogg->eos = 1;
-        }
-        av_freep(&pktl);
-        return 1;
-    } else {
-        av_init_packet(out);
-        return 0;
-    }
-}
-
-static int ogg_write_trailer(AVFormatContext *s)
-{
-    int i;
-    for (i = 0; i < s->nb_streams; i++) {
-        AVStream *st = s->streams[i];
-        OGGStreamContext *oggstream = st->priv_data;
-        if (st->codec->codec_id == CODEC_ID_FLAC) {
-            av_free(oggstream->header[0]);
-            av_free(oggstream->header[1]);
-        }
-        av_freep(&st->priv_data);
-    }
-    return 0;
-}
-
-AVOutputFormat ogg_muxer = {
-    "ogg",
-    NULL_IF_CONFIG_SMALL("Ogg"),
-    "application/ogg",
-    "ogg,ogv",
-    0,
-    CODEC_ID_FLAC,
-    CODEC_ID_THEORA,
-    ogg_write_header,
-    ogg_write_packet,
-    ogg_write_trailer,
-    .interleave_packet = ogg_interleave_per_granule,
-};