making act segmenter

1 files changed, 0 insertions, 410 deletions

diff --git a/ffmpeg1/libavformat/r3d.c b/ffmpeg1/libavformat/r3d.c
deleted file mode 100644
index 3b3ecce..0000000
--- a/ffmpeg1/libavformat/r3d.c
+++ /dev/null
@@ -1,410 +0,0 @@
-/*
- * R3D REDCODE demuxer
- * Copyright (c) 2008 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
- *
- * 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
- */
-
-//#define DEBUG
-
-#include "libavutil/intreadwrite.h"
-#include "libavutil/dict.h"
-#include "libavutil/mathematics.h"
-#include "avformat.h"
-#include "internal.h"
-
-typedef struct {
-    unsigned video_offsets_count;
-    unsigned *video_offsets;
-    unsigned rdvo_offset;
-} R3DContext;
-
-typedef struct {
-    unsigned size;
-    uint32_t tag;
-    uint64_t offset;
-} Atom;
-
-static int read_atom(AVFormatContext *s, Atom *atom)
-{
-    atom->offset = avio_tell(s->pb);
-    atom->size = avio_rb32(s->pb);
-    if (atom->size < 8)
-        return -1;
-    atom->tag = avio_rl32(s->pb);
-    av_dlog(s, "atom %u %.4s offset %#"PRIx64"\n",
-            atom->size, (char*)&atom->tag, atom->offset);
-    return atom->size;
-}
-
-static int r3d_read_red1(AVFormatContext *s)
-{
-    AVStream *st = avformat_new_stream(s, NULL);
-    char filename[258];
-    int tmp;
-    int av_unused tmp2;
-    AVRational framerate;
-
-    if (!st)
-        return AVERROR(ENOMEM);
-    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id = AV_CODEC_ID_JPEG2000;
-
-    tmp  = avio_r8(s->pb); // major version
-    tmp2 = avio_r8(s->pb); // minor version
-    av_dlog(s, "version %d.%d\n", tmp, tmp2);
-
-    tmp = avio_rb16(s->pb); // unknown
-    av_dlog(s, "unknown1 %d\n", tmp);
-
-    tmp = avio_rb32(s->pb);
-    avpriv_set_pts_info(st, 32, 1, tmp);
-
-    tmp = avio_rb32(s->pb); // filenum
-    av_dlog(s, "filenum %d\n", tmp);
-
-    avio_skip(s->pb, 32); // unknown
-
-    st->codec->width  = avio_rb32(s->pb);
-    st->codec->height = avio_rb32(s->pb);
-
-    tmp = avio_rb16(s->pb); // unknown
-    av_dlog(s, "unknown2 %d\n", tmp);
-
-    framerate.num = avio_rb16(s->pb);
-    framerate.den = avio_rb16(s->pb);
-    if (framerate.num && framerate.den) {
-#if FF_API_R_FRAME_RATE
-        st->r_frame_rate =
-#endif
-        st->avg_frame_rate = framerate;
-    }
-
-    tmp = avio_r8(s->pb); // audio channels
-    av_dlog(s, "audio channels %d\n", tmp);
-    if (tmp > 0) {
-        AVStream *ast = avformat_new_stream(s, NULL);
-        if (!ast)
-            return AVERROR(ENOMEM);
-        ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-        ast->codec->codec_id = AV_CODEC_ID_PCM_S32BE;
-        ast->codec->channels = tmp;
-        avpriv_set_pts_info(ast, 32, 1, st->time_base.den);
-    }
-
-    avio_read(s->pb, filename, 257);
-    filename[sizeof(filename)-1] = 0;
-    av_dict_set(&st->metadata, "filename", filename, 0);
-
-    av_dlog(s, "filename %s\n", filename);
-    av_dlog(s, "resolution %dx%d\n", st->codec->width, st->codec->height);
-    av_dlog(s, "timescale %d\n", st->time_base.den);
-    av_dlog(s, "frame rate %d/%d\n",
-            framerate.num, framerate.den);
-
-    return 0;
-}
-
-static int r3d_read_rdvo(AVFormatContext *s, Atom *atom)
-{
-    R3DContext *r3d = s->priv_data;
-    AVStream *st = s->streams[0];
-    int i;
-
-    r3d->video_offsets_count = (atom->size - 8) / 4;
-    r3d->video_offsets = av_malloc(atom->size);
-    if (!r3d->video_offsets)
-        return AVERROR(ENOMEM);
-
-    for (i = 0; i < r3d->video_offsets_count; i++) {
-        r3d->video_offsets[i] = avio_rb32(s->pb);
-        if (!r3d->video_offsets[i]) {
-            r3d->video_offsets_count = i;
-            break;
-        }
-        av_dlog(s, "video offset %d: %#x\n", i, r3d->video_offsets[i]);
-    }
-
-    if (st->avg_frame_rate.num)
-        st->duration = av_rescale_q(r3d->video_offsets_count,
-                                    av_inv_q(st->avg_frame_rate),
-                                    st->time_base);
-    av_dlog(s, "duration %"PRId64"\n", st->duration);
-
-    return 0;
-}
-
-static void r3d_read_reos(AVFormatContext *s)
-{
-    R3DContext *r3d = s->priv_data;
-    int av_unused tmp;
-
-    r3d->rdvo_offset = avio_rb32(s->pb);
-    avio_rb32(s->pb); // rdvs offset
-    avio_rb32(s->pb); // rdao offset
-    avio_rb32(s->pb); // rdas offset
-
-    tmp = avio_rb32(s->pb);
-    av_dlog(s, "num video chunks %d\n", tmp);
-
-    tmp = avio_rb32(s->pb);
-    av_dlog(s, "num audio chunks %d\n", tmp);
-
-    avio_skip(s->pb, 6*4);
-}
-
-static int r3d_read_header(AVFormatContext *s)
-{
-    R3DContext *r3d = s->priv_data;
-    Atom atom;
-    int ret;
-
-    if (read_atom(s, &atom) < 0) {
-        av_log(s, AV_LOG_ERROR, "error reading atom\n");
-        return -1;
-    }
-    if (atom.tag == MKTAG('R','E','D','1')) {
-        if ((ret = r3d_read_red1(s)) < 0) {
-            av_log(s, AV_LOG_ERROR, "error parsing 'red1' atom\n");
-            return ret;
-        }
-    } else {
-        av_log(s, AV_LOG_ERROR, "could not find 'red1' atom\n");
-        return -1;
-    }
-
-    s->data_offset = avio_tell(s->pb);
-    av_dlog(s, "data offset %#"PRIx64"\n", s->data_offset);
-    if (!s->pb->seekable)
-        return 0;
-    // find REOB/REOF/REOS to load index
-    avio_seek(s->pb, avio_size(s->pb)-48-8, SEEK_SET);
-    if (read_atom(s, &atom) < 0)
-        av_log(s, AV_LOG_ERROR, "error reading end atom\n");
-
-    if (atom.tag != MKTAG('R','E','O','B') &&
-        atom.tag != MKTAG('R','E','O','F') &&
-        atom.tag != MKTAG('R','E','O','S'))
-        goto out;
-
-    r3d_read_reos(s);
-
-    if (r3d->rdvo_offset) {
-        avio_seek(s->pb, r3d->rdvo_offset, SEEK_SET);
-        if (read_atom(s, &atom) < 0)
-            av_log(s, AV_LOG_ERROR, "error reading 'rdvo' atom\n");
-        if (atom.tag == MKTAG('R','D','V','O')) {
-            if (r3d_read_rdvo(s, &atom) < 0)
-                av_log(s, AV_LOG_ERROR, "error parsing 'rdvo' atom\n");
-        }
-    }
-
- out:
-    avio_seek(s->pb, s->data_offset, SEEK_SET);
-    return 0;
-}
-
-static int r3d_read_redv(AVFormatContext *s, AVPacket *pkt, Atom *atom)
-{
-    AVStream *st = s->streams[0];
-    int tmp;
-    int av_unused tmp2;
-    uint64_t pos = avio_tell(s->pb);
-    unsigned dts;
-    int ret;
-
-    dts = avio_rb32(s->pb);
-
-    tmp = avio_rb32(s->pb);
-    av_dlog(s, "frame num %d\n", tmp);
-
-    tmp  = avio_r8(s->pb); // major version
-    tmp2 = avio_r8(s->pb); // minor version
-    av_dlog(s, "version %d.%d\n", tmp, tmp2);
-
-    tmp = avio_rb16(s->pb); // unknown
-    av_dlog(s, "unknown %d\n", tmp);
-
-    if (tmp > 4) {
-        tmp = avio_rb16(s->pb); // unknown
-        av_dlog(s, "unknown %d\n", tmp);
-
-        tmp = avio_rb16(s->pb); // unknown
-        av_dlog(s, "unknown %d\n", tmp);
-
-        tmp = avio_rb32(s->pb);
-        av_dlog(s, "width %d\n", tmp);
-        tmp = avio_rb32(s->pb);
-        av_dlog(s, "height %d\n", tmp);
-
-        tmp = avio_rb32(s->pb);
-        av_dlog(s, "metadata len %d\n", tmp);
-    }
-    tmp = atom->size - 8 - (avio_tell(s->pb) - pos);
-    if (tmp < 0)
-        return -1;
-    ret = av_get_packet(s->pb, pkt, tmp);
-    if (ret < 0) {
-        av_log(s, AV_LOG_ERROR, "error reading video packet\n");
-        return -1;
-    }
-
-    pkt->stream_index = 0;
-    pkt->dts = dts;
-    if (st->avg_frame_rate.num)
-        pkt->duration = (uint64_t)st->time_base.den*
-            st->avg_frame_rate.den/st->avg_frame_rate.num;
-    av_dlog(s, "pkt dts %"PRId64" duration %d\n", pkt->dts, pkt->duration);
-
-    return 0;
-}
-
-static int r3d_read_reda(AVFormatContext *s, AVPacket *pkt, Atom *atom)
-{
-    AVStream *st = s->streams[1];
-    int av_unused tmp, tmp2;
-    int samples, size;
-    uint64_t pos = avio_tell(s->pb);
-    unsigned dts;
-    int ret;
-
-    dts = avio_rb32(s->pb);
-
-    st->codec->sample_rate = avio_rb32(s->pb);
-    if (st->codec->sample_rate < 0) {
-        av_log(s, AV_LOG_ERROR, "negative sample rate\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    samples = avio_rb32(s->pb);
-
-    tmp = avio_rb32(s->pb);
-    av_dlog(s, "packet num %d\n", tmp);
-
-    tmp = avio_rb16(s->pb); // unknown
-    av_dlog(s, "unknown %d\n", tmp);
-
-    tmp  = avio_r8(s->pb); // major version
-    tmp2 = avio_r8(s->pb); // minor version
-    av_dlog(s, "version %d.%d\n", tmp, tmp2);
-
-    tmp = avio_rb32(s->pb); // unknown
-    av_dlog(s, "unknown %d\n", tmp);
-
-    size = atom->size - 8 - (avio_tell(s->pb) - pos);
-    if (size < 0)
-        return -1;
-    ret = av_get_packet(s->pb, pkt, size);
-    if (ret < 0) {
-        av_log(s, AV_LOG_ERROR, "error reading audio packet\n");
-        return ret;
-    }
-
-    pkt->stream_index = 1;
-    pkt->dts = dts;
-    if (st->codec->sample_rate)
-        pkt->duration = av_rescale(samples, st->time_base.den, st->codec->sample_rate);
-    av_dlog(s, "pkt dts %"PRId64" duration %d samples %d sample rate %d\n",
-            pkt->dts, pkt->duration, samples, st->codec->sample_rate);
-
-    return 0;
-}
-
-static int r3d_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    Atom atom;
-    int err = 0;
-
-    while (!err) {
-        if (read_atom(s, &atom) < 0) {
-            err = -1;
-            break;
-        }
-        switch (atom.tag) {
-        case MKTAG('R','E','D','V'):
-            if (s->streams[0]->discard == AVDISCARD_ALL)
-                goto skip;
-            if (!(err = r3d_read_redv(s, pkt, &atom)))
-                return 0;
-            break;
-        case MKTAG('R','E','D','A'):
-            if (s->nb_streams < 2)
-                return -1;
-            if (s->streams[1]->discard == AVDISCARD_ALL)
-                goto skip;
-            if (!(err = r3d_read_reda(s, pkt, &atom)))
-                return 0;
-            break;
-        default:
-        skip:
-            avio_skip(s->pb, atom.size-8);
-        }
-    }
-    return err;
-}
-
-static int r3d_probe(AVProbeData *p)
-{
-    if (AV_RL32(p->buf + 4) == MKTAG('R','E','D','1'))
-        return AVPROBE_SCORE_MAX;
-    return 0;
-}
-
-static int r3d_seek(AVFormatContext *s, int stream_index, int64_t sample_time, int flags)
-{
-    AVStream *st = s->streams[0]; // video stream
-    R3DContext *r3d = s->priv_data;
-    int frame_num;
-
-    if (!st->avg_frame_rate.num)
-        return -1;
-
-    frame_num = av_rescale_q(sample_time, st->time_base,
-                             av_inv_q(st->avg_frame_rate));
-    av_dlog(s, "seek frame num %d timestamp %"PRId64"\n",
-            frame_num, sample_time);
-
-    if (frame_num < r3d->video_offsets_count) {
-        if (avio_seek(s->pb, r3d->video_offsets_count, SEEK_SET) < 0)
-            return -1;
-    } else {
-        av_log(s, AV_LOG_ERROR, "could not seek to frame %d\n", frame_num);
-        return -1;
-    }
-
-    return 0;
-}
-
-static int r3d_close(AVFormatContext *s)
-{
-    R3DContext *r3d = s->priv_data;
-
-    av_freep(&r3d->video_offsets);
-
-    return 0;
-}
-
-AVInputFormat ff_r3d_demuxer = {
-    .name           = "r3d",
-    .long_name      = NULL_IF_CONFIG_SMALL("REDCODE R3D"),
-    .priv_data_size = sizeof(R3DContext),
-    .read_probe     = r3d_probe,
-    .read_header    = r3d_read_header,
-    .read_packet    = r3d_read_packet,
-    .read_close     = r3d_close,
-    .read_seek      = r3d_seek,
-};