Remove FFmpeg source directory.

1 files changed, 0 insertions, 313 deletions

diff --git a/contrib/ffmpeg/libavformat/tiertexseq.c b/contrib/ffmpeg/libavformat/tiertexseq.c
deleted file mode 100644
index 8f565824a..000000000
--- a/contrib/ffmpeg/libavformat/tiertexseq.c
+++ /dev/null
@@ -1,313 +0,0 @@
-/*
- * Tiertex Limited SEQ File Demuxer
- * Copyright (c) 2006 Gregory Montoir (cyx@users.sourceforge.net)
- *
- * 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
- */
-
-/**
- * @file tiertexseq.c
- * Tiertex Limited SEQ file demuxer
- */
-
-#include "avformat.h"
-
-#define SEQ_FRAME_SIZE         6144
-#define SEQ_FRAME_W            256
-#define SEQ_FRAME_H            128
-#define SEQ_NUM_FRAME_BUFFERS  30
-#define SEQ_AUDIO_BUFFER_SIZE  882
-#define SEQ_SAMPLE_RATE        22050
-#define SEQ_FRAME_RATE         25
-
-
-typedef struct TiertexSeqFrameBuffer {
-    int fill_size;
-    int data_size;
-    unsigned char *data;
-} TiertexSeqFrameBuffer;
-
-typedef struct SeqDemuxContext {
-    int audio_stream_index;
-    int video_stream_index;
-    int current_frame_pts;
-    int current_frame_offs;
-    TiertexSeqFrameBuffer frame_buffers[SEQ_NUM_FRAME_BUFFERS];
-    int frame_buffers_count;
-    unsigned int current_audio_data_size;
-    unsigned int current_audio_data_offs;
-    unsigned int current_pal_data_size;
-    unsigned int current_pal_data_offs;
-    unsigned int current_video_data_size;
-    unsigned char *current_video_data_ptr;
-    int audio_buffer_full;
-} SeqDemuxContext;
-
-
-static int seq_probe(AVProbeData *p)
-{
-    int i;
-
-    if (p->buf_size < 258)
-        return 0;
-
-    /* there's no real header in a .seq file, the only thing they have in common */
-    /* is the first 256 bytes of the file which are always filled with 0 */
-    for (i = 0; i < 256; i++)
-        if (p->buf[i] != 0)
-            return 0;
-
-    if(p->buf[256]==0 && p->buf[257]==0)
-        return 0;
-
-    /* only one fourth of the score since the previous check is too naive */
-    return AVPROBE_SCORE_MAX / 4;
-}
-
-static int seq_init_frame_buffers(SeqDemuxContext *seq, ByteIOContext *pb)
-{
-    int i, sz;
-    TiertexSeqFrameBuffer *seq_buffer;
-
-    url_fseek(pb, 256, SEEK_SET);
-
-    for (i = 0; i < SEQ_NUM_FRAME_BUFFERS; i++) {
-        sz = get_le16(pb);
-        if (sz == 0)
-            break;
-        else {
-            seq_buffer = &seq->frame_buffers[i];
-            seq_buffer->fill_size = 0;
-            seq_buffer->data_size = sz;
-            seq_buffer->data = av_malloc(sz);
-            if (!seq_buffer->data)
-                return AVERROR_NOMEM;
-        }
-    }
-    seq->frame_buffers_count = i;
-    return 0;
-}
-
-static int seq_fill_buffer(SeqDemuxContext *seq, ByteIOContext *pb, int buffer_num, unsigned int data_offs, int data_size)
-{
-    TiertexSeqFrameBuffer *seq_buffer;
-
-    if (buffer_num >= SEQ_NUM_FRAME_BUFFERS)
-        return AVERROR_INVALIDDATA;
-
-    seq_buffer = &seq->frame_buffers[buffer_num];
-    if (seq_buffer->fill_size + data_size > seq_buffer->data_size)
-        return AVERROR_INVALIDDATA;
-
-    url_fseek(pb, seq->current_frame_offs + data_offs, SEEK_SET);
-    if (get_buffer(pb, seq_buffer->data + seq_buffer->fill_size, data_size) != data_size)
-        return AVERROR_IO;
-
-    seq_buffer->fill_size += data_size;
-    return 0;
-}
-
-static int seq_parse_frame_data(SeqDemuxContext *seq, ByteIOContext *pb)
-{
-    unsigned int offset_table[4], buffer_num[4];
-    TiertexSeqFrameBuffer *seq_buffer;
-    int i, e, err;
-
-    seq->current_frame_offs += SEQ_FRAME_SIZE;
-    url_fseek(pb, seq->current_frame_offs, SEEK_SET);
-
-    /* sound data */
-    seq->current_audio_data_offs = get_le16(pb);
-    if (seq->current_audio_data_offs != 0) {
-        seq->current_audio_data_size = SEQ_AUDIO_BUFFER_SIZE * 2;
-    } else {
-        seq->current_audio_data_size = 0;
-    }
-
-    /* palette data */
-    seq->current_pal_data_offs = get_le16(pb);
-    if (seq->current_pal_data_offs != 0) {
-        seq->current_pal_data_size = 768;
-    } else {
-        seq->current_pal_data_size = 0;
-    }
-
-    /* video data */
-    for (i = 0; i < 4; i++)
-        buffer_num[i] = get_byte(pb);
-
-    for (i = 0; i < 4; i++)
-        offset_table[i] = get_le16(pb);
-
-    for (i = 0; i < 3; i++) {
-        if (offset_table[i] != 0) {
-            for (e = i + 1; e < 4 && offset_table[e] == 0; e++);
-            err = seq_fill_buffer(seq, pb, buffer_num[1 + i],
-              offset_table[i],
-              offset_table[e] - offset_table[i]);
-            if (err != 0)
-                return err;
-        }
-    }
-
-    if (buffer_num[0] != 255) {
-        if (buffer_num[0] >= SEQ_NUM_FRAME_BUFFERS)
-            return AVERROR_INVALIDDATA;
-
-        seq_buffer = &seq->frame_buffers[buffer_num[0]];
-        seq->current_video_data_size = seq_buffer->fill_size;
-        seq->current_video_data_ptr  = seq_buffer->data;
-        seq_buffer->fill_size = 0;
-    } else {
-        seq->current_video_data_size = 0;
-        seq->current_video_data_ptr  = 0;
-    }
-
-    return 0;
-}
-
-static int seq_read_header(AVFormatContext *s, AVFormatParameters *ap)
-{
-    int i, rc;
-    SeqDemuxContext *seq = (SeqDemuxContext *)s->priv_data;
-    ByteIOContext *pb = &s->pb;
-    AVStream *st;
-
-    /* init internal buffers */
-    rc = seq_init_frame_buffers(seq, pb);
-    if (rc)
-        return rc;
-
-    seq->current_frame_offs = 0;
-
-    /* preload (no audio data, just buffer operations related data) */
-    for (i = 1; i <= 100; i++) {
-        rc = seq_parse_frame_data(seq, pb);
-        if (rc)
-            return rc;
-    }
-
-    seq->current_frame_pts = 0;
-
-    seq->audio_buffer_full = 0;
-
-    /* initialize the video decoder stream */
-    st = av_new_stream(s, 0);
-    if (!st)
-        return AVERROR_NOMEM;
-
-    av_set_pts_info(st, 32, 1, SEQ_FRAME_RATE);
-    seq->video_stream_index = st->index;
-    st->codec->codec_type = CODEC_TYPE_VIDEO;
-    st->codec->codec_id = CODEC_ID_TIERTEXSEQVIDEO;
-    st->codec->codec_tag = 0;  /* no fourcc */
-    st->codec->width = SEQ_FRAME_W;
-    st->codec->height = SEQ_FRAME_H;
-
-    /* initialize the audio decoder stream */
-    st = av_new_stream(s, 0);
-    if (!st)
-        return AVERROR_NOMEM;
-
-    av_set_pts_info(st, 32, 1, SEQ_SAMPLE_RATE);
-    seq->audio_stream_index = st->index;
-    st->codec->codec_type = CODEC_TYPE_AUDIO;
-    st->codec->codec_id = CODEC_ID_PCM_S16BE;
-    st->codec->codec_tag = 0;  /* no tag */
-    st->codec->channels = 1;
-    st->codec->sample_rate = SEQ_SAMPLE_RATE;
-    st->codec->bits_per_sample = 16;
-    st->codec->bit_rate = st->codec->sample_rate * st->codec->bits_per_sample * st->codec->channels;
-    st->codec->block_align = st->codec->channels * st->codec->bits_per_sample;
-
-    return 0;
-}
-
-static int seq_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
-    int rc;
-    SeqDemuxContext *seq = (SeqDemuxContext *)s->priv_data;
-    ByteIOContext *pb = &s->pb;
-
-    if (!seq->audio_buffer_full) {
-        rc = seq_parse_frame_data(seq, pb);
-        if (rc)
-            return rc;
-
-        /* video packet */
-        if (seq->current_pal_data_size + seq->current_video_data_size != 0) {
-            if (av_new_packet(pkt, 1 + seq->current_pal_data_size + seq->current_video_data_size))
-                return AVERROR_NOMEM;
-
-            pkt->data[0] = 0;
-            if (seq->current_pal_data_size != 0) {
-                pkt->data[0] |= 1;
-                url_fseek(pb, seq->current_frame_offs + seq->current_pal_data_offs, SEEK_SET);
-                if (get_buffer(pb, &pkt->data[1], seq->current_pal_data_size) != seq->current_pal_data_size)
-                    return AVERROR_IO;
-            }
-            if (seq->current_video_data_size != 0) {
-                pkt->data[0] |= 2;
-                memcpy(&pkt->data[1 + seq->current_pal_data_size],
-                  seq->current_video_data_ptr,
-                  seq->current_video_data_size);
-            }
-            pkt->stream_index = seq->video_stream_index;
-            pkt->pts = seq->current_frame_pts;
-
-            /* sound buffer will be processed on next read_packet() call */
-            seq->audio_buffer_full = 1;
-            return 0;
-       }
-    }
-
-    /* audio packet */
-    if (seq->current_audio_data_offs == 0) /* end of data reached */
-        return AVERROR_IO;
-
-    url_fseek(pb, seq->current_frame_offs + seq->current_audio_data_offs, SEEK_SET);
-    rc = av_get_packet(pb, pkt, seq->current_audio_data_size);
-    if (rc < 0)
-        return rc;
-
-    pkt->stream_index = seq->audio_stream_index;
-    pkt->pts = seq->current_frame_pts++;
-
-    seq->audio_buffer_full = 0;
-    return 0;
-}
-
-static int seq_read_close(AVFormatContext *s)
-{
-    int i;
-    SeqDemuxContext *seq = (SeqDemuxContext *)s->priv_data;
-
-    for (i = 0; i < SEQ_NUM_FRAME_BUFFERS; i++)
-        av_free(seq->frame_buffers[i].data);
-
-    return 0;
-}
-
-AVInputFormat tiertexseq_demuxer = {
-    "tiertexseq",
-    "Tiertex Limited SEQ format",
-    sizeof(SeqDemuxContext),
-    seq_probe,
-    seq_read_header,
-    seq_read_packet,
-    seq_read_close,
-};