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Diffstat (limited to 'contrib/ffmpeg/libavformat/flic.c')
-rw-r--r--contrib/ffmpeg/libavformat/flic.c223
1 files changed, 0 insertions, 223 deletions
diff --git a/contrib/ffmpeg/libavformat/flic.c b/contrib/ffmpeg/libavformat/flic.c
deleted file mode 100644
index 0c3a7f01f..000000000
--- a/contrib/ffmpeg/libavformat/flic.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * FLI/FLC Animation File Demuxer
- * Copyright (c) 2003 The ffmpeg Project
- *
- * 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 flic.c
- * FLI/FLC file demuxer
- * by Mike Melanson (melanson@pcisys.net)
- * for more information on the .fli/.flc file format and all of its many
- * variations, visit:
- * http://www.compuphase.com/flic.htm
- *
- * This demuxer handles standard 0xAF11- and 0xAF12-type FLIs. It also
- * handles special FLIs from the PC game "Magic Carpet".
- */
-
-#include "avformat.h"
-
-#define FLIC_FILE_MAGIC_1 0xAF11
-#define FLIC_FILE_MAGIC_2 0xAF12
-#define FLIC_FILE_MAGIC_3 0xAF44 /* Flic Type for Extended FLX Format which
- originated in Dave's Targa Animator (DTA) */
-#define FLIC_CHUNK_MAGIC_1 0xF1FA
-#define FLIC_CHUNK_MAGIC_2 0xF5FA
-#define FLIC_MC_PTS_INC 6000 /* pts increment for Magic Carpet game FLIs */
-#define FLIC_DEFAULT_PTS_INC 6000 /* for FLIs that have 0 speed */
-
-#define FLIC_HEADER_SIZE 128
-#define FLIC_PREAMBLE_SIZE 6
-
-typedef struct FlicDemuxContext {
- int frame_pts_inc;
- int64_t pts;
- int video_stream_index;
-} FlicDemuxContext;
-
-static int flic_probe(AVProbeData *p)
-{
- int magic_number;
-
- if (p->buf_size < 6)
- return 0;
-
- magic_number = AV_RL16(&p->buf[4]);
- if ((magic_number != FLIC_FILE_MAGIC_1) &&
- (magic_number != FLIC_FILE_MAGIC_2) &&
- (magic_number != FLIC_FILE_MAGIC_3))
- return 0;
-
- return AVPROBE_SCORE_MAX;
-}
-
-static int flic_read_header(AVFormatContext *s,
- AVFormatParameters *ap)
-{
- FlicDemuxContext *flic = (FlicDemuxContext *)s->priv_data;
- ByteIOContext *pb = &s->pb;
- unsigned char header[FLIC_HEADER_SIZE];
- AVStream *st;
- int speed;
- int magic_number;
-
- flic->pts = 0;
-
- /* load the whole header and pull out the width and height */
- if (get_buffer(pb, header, FLIC_HEADER_SIZE) != FLIC_HEADER_SIZE)
- return AVERROR_IO;
-
- magic_number = AV_RL16(&header[4]);
- speed = AV_RL32(&header[0x10]);
-
- /* initialize the decoder streams */
- st = av_new_stream(s, 0);
- if (!st)
- return AVERROR_NOMEM;
- flic->video_stream_index = st->index;
- st->codec->codec_type = CODEC_TYPE_VIDEO;
- st->codec->codec_id = CODEC_ID_FLIC;
- st->codec->codec_tag = 0; /* no fourcc */
- st->codec->width = AV_RL16(&header[0x08]);
- st->codec->height = AV_RL16(&header[0x0A]);
-
- if (!st->codec->width || !st->codec->height)
- return AVERROR_INVALIDDATA;
-
- /* send over the whole 128-byte FLIC header */
- st->codec->extradata_size = FLIC_HEADER_SIZE;
- st->codec->extradata = av_malloc(FLIC_HEADER_SIZE);
- memcpy(st->codec->extradata, header, FLIC_HEADER_SIZE);
-
- av_set_pts_info(st, 33, 1, 90000);
-
- /* Time to figure out the framerate: If there is a FLIC chunk magic
- * number at offset 0x10, assume this is from the Bullfrog game,
- * Magic Carpet. */
- if (AV_RL16(&header[0x10]) == FLIC_CHUNK_MAGIC_1) {
-
- flic->frame_pts_inc = FLIC_MC_PTS_INC;
-
- /* rewind the stream since the first chunk is at offset 12 */
- url_fseek(pb, 12, SEEK_SET);
-
- /* send over abbreviated FLIC header chunk */
- av_free(st->codec->extradata);
- st->codec->extradata_size = 12;
- st->codec->extradata = av_malloc(12);
- memcpy(st->codec->extradata, header, 12);
-
- } else if (magic_number == FLIC_FILE_MAGIC_1) {
- /*
- * in this case, the speed (n) is number of 1/70s ticks between frames:
- *
- * pts n * frame #
- * -------- = ----------- => pts = n * (90000/70) * frame #
- * 90000 70
- *
- * therefore, the frame pts increment = n * 1285.7
- */
- flic->frame_pts_inc = speed * 1285.7;
- } else if ((magic_number == FLIC_FILE_MAGIC_2) ||
- (magic_number == FLIC_FILE_MAGIC_3)) {
- /*
- * in this case, the speed (n) is number of milliseconds between frames:
- *
- * pts n * frame #
- * -------- = ----------- => pts = n * 90 * frame #
- * 90000 1000
- *
- * therefore, the frame pts increment = n * 90
- */
- flic->frame_pts_inc = speed * 90;
- } else {
- av_log(s, AV_LOG_INFO, "Invalid or unsupported magic chunk in file\n");
- return AVERROR_INVALIDDATA;
- }
-
- if (flic->frame_pts_inc == 0)
- flic->frame_pts_inc = FLIC_DEFAULT_PTS_INC;
-
- return 0;
-}
-
-static int flic_read_packet(AVFormatContext *s,
- AVPacket *pkt)
-{
- FlicDemuxContext *flic = (FlicDemuxContext *)s->priv_data;
- ByteIOContext *pb = &s->pb;
- int packet_read = 0;
- unsigned int size;
- int magic;
- int ret = 0;
- unsigned char preamble[FLIC_PREAMBLE_SIZE];
-
- while (!packet_read) {
-
- if ((ret = get_buffer(pb, preamble, FLIC_PREAMBLE_SIZE)) !=
- FLIC_PREAMBLE_SIZE) {
- ret = AVERROR_IO;
- break;
- }
-
- size = AV_RL32(&preamble[0]);
- magic = AV_RL16(&preamble[4]);
-
- if (((magic == FLIC_CHUNK_MAGIC_1) || (magic == FLIC_CHUNK_MAGIC_2)) && size > FLIC_PREAMBLE_SIZE) {
- if (av_new_packet(pkt, size)) {
- ret = AVERROR_IO;
- break;
- }
- pkt->stream_index = flic->video_stream_index;
- pkt->pts = flic->pts;
- pkt->pos = url_ftell(pb);
- memcpy(pkt->data, preamble, FLIC_PREAMBLE_SIZE);
- ret = get_buffer(pb, pkt->data + FLIC_PREAMBLE_SIZE,
- size - FLIC_PREAMBLE_SIZE);
- if (ret != size - FLIC_PREAMBLE_SIZE) {
- av_free_packet(pkt);
- ret = AVERROR_IO;
- }
- flic->pts += flic->frame_pts_inc;
- packet_read = 1;
- } else {
- /* not interested in this chunk */
- url_fseek(pb, size - 6, SEEK_CUR);
- }
- }
-
- return ret;
-}
-
-static int flic_read_close(AVFormatContext *s)
-{
-// FlicDemuxContext *flic = (FlicDemuxContext *)s->priv_data;
-
- return 0;
-}
-
-AVInputFormat flic_demuxer = {
- "flic",
- "FLI/FLC/FLX animation format",
- sizeof(FlicDemuxContext),
- flic_probe,
- flic_read_header,
- flic_read_packet,
- flic_read_close,
-};
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