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Diffstat (limited to 'contrib/ffmpeg/libavformat/dsicin.c')
-rw-r--r--contrib/ffmpeg/libavformat/dsicin.c224
1 files changed, 0 insertions, 224 deletions
diff --git a/contrib/ffmpeg/libavformat/dsicin.c b/contrib/ffmpeg/libavformat/dsicin.c
deleted file mode 100644
index fb9cb50df..000000000
--- a/contrib/ffmpeg/libavformat/dsicin.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * Delphine Software International CIN 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 dsicin.c
- * Delphine Software International CIN file demuxer
- */
-
-#include "avformat.h"
-
-
-typedef struct CinFileHeader {
- int video_frame_size;
- int video_frame_width;
- int video_frame_height;
- int audio_frequency;
- int audio_bits;
- int audio_stereo;
- int audio_frame_size;
-} CinFileHeader;
-
-typedef struct CinFrameHeader {
- int audio_frame_type;
- int video_frame_type;
- int pal_colors_count;
- int audio_frame_size;
- int video_frame_size;
-} CinFrameHeader;
-
-typedef struct CinDemuxContext {
- int audio_stream_index;
- int video_stream_index;
- CinFileHeader file_header;
- int64_t audio_stream_pts;
- int64_t video_stream_pts;
- CinFrameHeader frame_header;
- int audio_buffer_size;
-} CinDemuxContext;
-
-
-static int cin_probe(AVProbeData *p)
-{
- if (p->buf_size < 18)
- return 0;
-
- /* header starts with this special marker */
- if (AV_RL32(&p->buf[0]) != 0x55AA0000)
- return 0;
-
- /* for accuracy, check some header field values */
- if (AV_RL32(&p->buf[12]) != 22050 || p->buf[16] != 16 || p->buf[17] != 0)
- return 0;
-
- return AVPROBE_SCORE_MAX;
-}
-
-static int cin_read_file_header(CinDemuxContext *cin, ByteIOContext *pb) {
- CinFileHeader *hdr = &cin->file_header;
-
- if (get_le32(pb) != 0x55AA0000)
- return AVERROR_INVALIDDATA;
-
- hdr->video_frame_size = get_le32(pb);
- hdr->video_frame_width = get_le16(pb);
- hdr->video_frame_height = get_le16(pb);
- hdr->audio_frequency = get_le32(pb);
- hdr->audio_bits = get_byte(pb);
- hdr->audio_stereo = get_byte(pb);
- hdr->audio_frame_size = get_le16(pb);
-
- if (hdr->audio_frequency != 22050 || hdr->audio_bits != 16 || hdr->audio_stereo != 0)
- return AVERROR_INVALIDDATA;
-
- return 0;
-}
-
-static int cin_read_header(AVFormatContext *s, AVFormatParameters *ap)
-{
- int rc;
- CinDemuxContext *cin = (CinDemuxContext *)s->priv_data;
- CinFileHeader *hdr = &cin->file_header;
- ByteIOContext *pb = &s->pb;
- AVStream *st;
-
- rc = cin_read_file_header(cin, pb);
- if (rc)
- return rc;
-
- cin->video_stream_pts = 0;
- cin->audio_stream_pts = 0;
- cin->audio_buffer_size = 0;
-
- /* initialize the video decoder stream */
- st = av_new_stream(s, 0);
- if (!st)
- return AVERROR_NOMEM;
-
- av_set_pts_info(st, 32, 1, 12);
- cin->video_stream_index = st->index;
- st->codec->codec_type = CODEC_TYPE_VIDEO;
- st->codec->codec_id = CODEC_ID_DSICINVIDEO;
- st->codec->codec_tag = 0; /* no fourcc */
- st->codec->width = hdr->video_frame_width;
- st->codec->height = hdr->video_frame_height;
-
- /* initialize the audio decoder stream */
- st = av_new_stream(s, 0);
- if (!st)
- return AVERROR_NOMEM;
-
- av_set_pts_info(st, 32, 1, 22050);
- cin->audio_stream_index = st->index;
- st->codec->codec_type = CODEC_TYPE_AUDIO;
- st->codec->codec_id = CODEC_ID_DSICINAUDIO;
- st->codec->codec_tag = 0; /* no tag */
- st->codec->channels = 1;
- st->codec->sample_rate = 22050;
- 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 cin_read_frame_header(CinDemuxContext *cin, ByteIOContext *pb) {
- CinFrameHeader *hdr = &cin->frame_header;
-
- hdr->video_frame_type = get_byte(pb);
- hdr->audio_frame_type = get_byte(pb);
- hdr->pal_colors_count = get_le16(pb);
- hdr->video_frame_size = get_le32(pb);
- hdr->audio_frame_size = get_le32(pb);
-
- if (url_feof(pb) || url_ferror(pb))
- return AVERROR_IO;
-
- if (get_le32(pb) != 0xAA55AA55)
- return AVERROR_INVALIDDATA;
-
- return 0;
-}
-
-static int cin_read_packet(AVFormatContext *s, AVPacket *pkt)
-{
- CinDemuxContext *cin = (CinDemuxContext *)s->priv_data;
- ByteIOContext *pb = &s->pb;
- CinFrameHeader *hdr = &cin->frame_header;
- int rc, palette_type, pkt_size;
-
- if (cin->audio_buffer_size == 0) {
- rc = cin_read_frame_header(cin, pb);
- if (rc)
- return rc;
-
- if ((int16_t)hdr->pal_colors_count < 0) {
- hdr->pal_colors_count = -(int16_t)hdr->pal_colors_count;
- palette_type = 1;
- } else {
- palette_type = 0;
- }
-
- /* palette and video packet */
- pkt_size = (palette_type + 3) * hdr->pal_colors_count + hdr->video_frame_size;
-
- if (av_new_packet(pkt, 4 + pkt_size))
- return AVERROR_NOMEM;
-
- pkt->stream_index = cin->video_stream_index;
- pkt->pts = cin->video_stream_pts++;
-
- pkt->data[0] = palette_type;
- pkt->data[1] = hdr->pal_colors_count & 0xFF;
- pkt->data[2] = hdr->pal_colors_count >> 8;
- pkt->data[3] = hdr->video_frame_type;
-
- if (get_buffer(pb, &pkt->data[4], pkt_size) != pkt_size)
- return AVERROR_IO;
-
- /* sound buffer will be processed on next read_packet() call */
- cin->audio_buffer_size = hdr->audio_frame_size;
- return 0;
- }
-
- /* audio packet */
- if (av_new_packet(pkt, cin->audio_buffer_size))
- return AVERROR_NOMEM;
-
- pkt->stream_index = cin->audio_stream_index;
- pkt->pts = cin->audio_stream_pts;
- cin->audio_stream_pts += cin->audio_buffer_size * 2 / cin->file_header.audio_frame_size;
-
- if (get_buffer(pb, pkt->data, cin->audio_buffer_size) != cin->audio_buffer_size)
- return AVERROR_IO;
-
- cin->audio_buffer_size = 0;
- return 0;
-}
-
-AVInputFormat dsicin_demuxer = {
- "dsicin",
- "Delphine Software International CIN format",
- sizeof(CinDemuxContext),
- cin_probe,
- cin_read_header,
- cin_read_packet,
-};
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