making act segmenter

1 files changed, 0 insertions, 229 deletions

diff --git a/ffmpeg1/libavformat/yop.c b/ffmpeg1/libavformat/yop.c
deleted file mode 100644
index d1c0129..0000000
--- a/ffmpeg1/libavformat/yop.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/*
- * Psygnosis YOP demuxer
- *
- * Copyright (C) 2010 Mohamed Naufal Basheer <naufal11@gmail.com>
- * derived from the code by
- * Copyright (C) 2009 Thomas P. Higdon <thomas.p.higdon@gmail.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
- */
-
-#include "libavutil/channel_layout.h"
-#include "libavutil/intreadwrite.h"
-#include "avformat.h"
-#include "internal.h"
-
-typedef struct yop_dec_context {
-    AVPacket video_packet;
-
-    int odd_frame;
-    int frame_size;
-    int audio_block_length;
-    int palette_size;
-} YopDecContext;
-
-static int yop_probe(AVProbeData *probe_packet)
-{
-    if (AV_RB16(probe_packet->buf) == AV_RB16("YO")  &&
-        probe_packet->buf[2]<10                      &&
-        probe_packet->buf[3]<10                      &&
-        probe_packet->buf[6]                         &&
-        probe_packet->buf[7]                         &&
-        !(probe_packet->buf[8] & 1)                  &&
-        !(probe_packet->buf[10] & 1)                 &&
-        AV_RL16(probe_packet->buf + 12 + 6) >= 920    &&
-        AV_RL16(probe_packet->buf + 12 + 6) < probe_packet->buf[12] * 3 + 4 + probe_packet->buf[7] * 2048
-    )
-        return AVPROBE_SCORE_MAX * 3 / 4;
-
-    return 0;
-}
-
-static int yop_read_header(AVFormatContext *s)
-{
-    YopDecContext *yop = s->priv_data;
-    AVIOContext *pb  = s->pb;
-
-    AVCodecContext *audio_dec, *video_dec;
-    AVStream *audio_stream, *video_stream;
-
-    int frame_rate, ret;
-
-    audio_stream = avformat_new_stream(s, NULL);
-    video_stream = avformat_new_stream(s, NULL);
-    if (!audio_stream || !video_stream)
-        return AVERROR(ENOMEM);
-
-    // Extra data that will be passed to the decoder
-    video_stream->codec->extradata_size = 8;
-
-    video_stream->codec->extradata = av_mallocz(video_stream->codec->extradata_size +
-                                                FF_INPUT_BUFFER_PADDING_SIZE);
-
-    if (!video_stream->codec->extradata)
-        return AVERROR(ENOMEM);
-
-    // Audio
-    audio_dec               = audio_stream->codec;
-    audio_dec->codec_type   = AVMEDIA_TYPE_AUDIO;
-    audio_dec->codec_id     = AV_CODEC_ID_ADPCM_IMA_APC;
-    audio_dec->channels     = 1;
-    audio_dec->channel_layout = AV_CH_LAYOUT_MONO;
-    audio_dec->sample_rate  = 22050;
-
-    // Video
-    video_dec               = video_stream->codec;
-    video_dec->codec_type   = AVMEDIA_TYPE_VIDEO;
-    video_dec->codec_id     = AV_CODEC_ID_YOP;
-
-    avio_skip(pb, 6);
-
-    frame_rate              = avio_r8(pb);
-    yop->frame_size         = avio_r8(pb) * 2048;
-    video_dec->width        = avio_rl16(pb);
-    video_dec->height       = avio_rl16(pb);
-
-    video_stream->sample_aspect_ratio = (AVRational){1, 2};
-
-    ret = avio_read(pb, video_dec->extradata, 8);
-    if (ret < 8)
-        return ret < 0 ? ret : AVERROR_EOF;
-
-    yop->palette_size       = video_dec->extradata[0] * 3 + 4;
-    yop->audio_block_length = AV_RL16(video_dec->extradata + 6);
-
-    video_dec->bit_rate     = 8 * (yop->frame_size - yop->audio_block_length) * frame_rate;
-
-    // 1840 samples per frame, 1 nibble per sample; hence 1840/2 = 920
-    if (yop->audio_block_length < 920 ||
-        yop->audio_block_length + yop->palette_size >= yop->frame_size) {
-        av_log(s, AV_LOG_ERROR, "YOP has invalid header\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    avio_seek(pb, 2048, SEEK_SET);
-
-    avpriv_set_pts_info(video_stream, 32, 1, frame_rate);
-
-    return 0;
-}
-
-static int yop_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    YopDecContext *yop = s->priv_data;
-    AVIOContext *pb  = s->pb;
-
-    int ret;
-    int actual_video_data_size = yop->frame_size -
-                                 yop->audio_block_length - yop->palette_size;
-
-    yop->video_packet.stream_index = 1;
-
-    if (yop->video_packet.data) {
-        *pkt                   =  yop->video_packet;
-        yop->video_packet.data =  NULL;
-        yop->video_packet.size =  0;
-        pkt->data[0]           =  yop->odd_frame;
-        pkt->flags             |= AV_PKT_FLAG_KEY;
-        yop->odd_frame         ^= 1;
-        return pkt->size;
-    }
-    ret = av_new_packet(&yop->video_packet,
-                        yop->frame_size - yop->audio_block_length);
-    if (ret < 0)
-        return ret;
-
-    yop->video_packet.pos = avio_tell(pb);
-
-    ret = avio_read(pb, yop->video_packet.data, yop->palette_size);
-    if (ret < 0) {
-        goto err_out;
-    }else if (ret < yop->palette_size) {
-        ret = AVERROR_EOF;
-        goto err_out;
-    }
-
-    ret = av_get_packet(pb, pkt, 920);
-    if (ret < 0)
-        goto err_out;
-
-    // Set position to the start of the frame
-    pkt->pos = yop->video_packet.pos;
-
-    avio_skip(pb, yop->audio_block_length - ret);
-
-    ret = avio_read(pb, yop->video_packet.data + yop->palette_size,
-                     actual_video_data_size);
-    if (ret < 0)
-        goto err_out;
-    else if (ret < actual_video_data_size)
-        av_shrink_packet(&yop->video_packet, yop->palette_size + ret);
-
-    // Arbitrarily return the audio data first
-    return yop->audio_block_length;
-
-err_out:
-    av_free_packet(&yop->video_packet);
-    return ret;
-}
-
-static int yop_read_close(AVFormatContext *s)
-{
-    YopDecContext *yop = s->priv_data;
-    av_free_packet(&yop->video_packet);
-    return 0;
-}
-
-static int yop_read_seek(AVFormatContext *s, int stream_index,
-                         int64_t timestamp, int flags)
-{
-    YopDecContext *yop = s->priv_data;
-    int64_t frame_pos, pos_min, pos_max;
-    int frame_count;
-
-    if (!stream_index)
-        return -1;
-
-    pos_min        = s->data_offset;
-    pos_max        = avio_size(s->pb) - yop->frame_size;
-    frame_count    = (pos_max - pos_min) / yop->frame_size;
-
-    timestamp      = FFMAX(0, FFMIN(frame_count, timestamp));
-
-    frame_pos      = timestamp * yop->frame_size + pos_min;
-
-    if (avio_seek(s->pb, frame_pos, SEEK_SET) < 0)
-        return -1;
-
-    av_free_packet(&yop->video_packet);
-    yop->odd_frame = timestamp & 1;
-
-    return 0;
-}
-
-AVInputFormat ff_yop_demuxer = {
-    .name           = "yop",
-    .long_name      = NULL_IF_CONFIG_SMALL("Psygnosis YOP"),
-    .priv_data_size = sizeof(YopDecContext),
-    .read_probe     = yop_probe,
-    .read_header    = yop_read_header,
-    .read_packet    = yop_read_packet,
-    .read_close     = yop_read_close,
-    .read_seek      = yop_read_seek,
-    .extensions     = "yop",
-    .flags          = AVFMT_GENERIC_INDEX,
-};