* Interplay MVE File Demuxer
* Copyright (c) 2003 The ffmpeg Project
*
- * This library is free software; you can redistribute it and/or
+ * 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 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
} IPMVEContext;
-static int load_ipmovie_packet(IPMVEContext *s, ByteIOContext *pb,
+static int load_ipmovie_packet(IPMVEContext *s, ByteIOContext *pb,
AVPacket *pkt) {
int chunk_type;
s->audio_frame_count +=
(s->audio_chunk_size - 6) / s->audio_channels;
- debug_ipmovie("sending audio frame with pts %lld (%d audio frames)\n",
+ debug_ipmovie("sending audio frame with pts %"PRId64" (%d audio frames)\n",
audio_pts, s->audio_frame_count);
chunk_type = CHUNK_VIDEO;
url_fseek(pb, s->decode_map_chunk_offset, SEEK_SET);
s->decode_map_chunk_offset = 0;
- if (get_buffer(pb, pkt->data, s->decode_map_chunk_size) !=
+ if (get_buffer(pb, pkt->data, s->decode_map_chunk_size) !=
s->decode_map_chunk_size) {
av_free_packet(pkt);
return CHUNK_EOF;
pkt->stream_index = s->video_stream_index;
pkt->pts = s->video_pts;
- debug_ipmovie("sending video frame with pts %lld\n",
+ debug_ipmovie("sending video frame with pts %"PRId64"\n",
pkt->pts);
s->video_pts += s->frame_pts_inc;
/* This function loads and processes a single chunk in an IP movie file.
* It returns the type of chunk that was processed. */
-static int process_ipmovie_chunk(IPMVEContext *s, ByteIOContext *pb,
+static int process_ipmovie_chunk(IPMVEContext *s, ByteIOContext *pb,
AVPacket *pkt)
{
unsigned char chunk_preamble[CHUNK_PREAMBLE_SIZE];
if (get_buffer(pb, chunk_preamble, CHUNK_PREAMBLE_SIZE) !=
CHUNK_PREAMBLE_SIZE)
return CHUNK_BAD;
- chunk_size = LE_16(&chunk_preamble[0]);
- chunk_type = LE_16(&chunk_preamble[2]);
+ chunk_size = AV_RL16(&chunk_preamble[0]);
+ chunk_type = AV_RL16(&chunk_preamble[2]);
debug_ipmovie("chunk type 0x%04X, 0x%04X bytes: ", chunk_type, chunk_size);
break;
}
- opcode_size = LE_16(&opcode_preamble[0]);
+ opcode_size = AV_RL16(&opcode_preamble[0]);
opcode_type = opcode_preamble[2];
opcode_version = opcode_preamble[3];
chunk_type = CHUNK_BAD;
break;
}
- s->fps = 1000000.0 / (LE_32(&scratch[0]) * LE_16(&scratch[4]));
+ s->fps = 1000000.0 / (AV_RL32(&scratch[0]) * AV_RL16(&scratch[4]));
s->frame_pts_inc = 90000 / s->fps;
debug_ipmovie(" %.2f frames/second (timer div = %d, subdiv = %d)\n",
- s->fps, LE_32(&scratch[0]), LE_16(&scratch[4]));
+ s->fps, AV_RL32(&scratch[0]), AV_RL16(&scratch[4]));
break;
case OPCODE_INIT_AUDIO_BUFFERS:
chunk_type = CHUNK_BAD;
break;
}
- s->audio_sample_rate = LE_16(&scratch[4]);
- audio_flags = LE_16(&scratch[2]);
+ s->audio_sample_rate = AV_RL16(&scratch[4]);
+ audio_flags = AV_RL16(&scratch[2]);
/* bit 0 of the flags: 0 = mono, 1 = stereo */
s->audio_channels = (audio_flags & 1) + 1;
/* bit 1 of the flags: 0 = 8 bit, 1 = 16 bit */
s->audio_bits,
s->audio_sample_rate,
(s->audio_channels == 2) ? "stereo" : "mono",
- (s->audio_type == CODEC_ID_INTERPLAY_DPCM) ?
+ (s->audio_type == CODEC_ID_INTERPLAY_DPCM) ?
"Interplay audio" : "PCM");
break;
chunk_type = CHUNK_BAD;
break;
}
- s->video_width = LE_16(&scratch[0]) * 8;
- s->video_height = LE_16(&scratch[2]) * 8;
+ s->video_width = AV_RL16(&scratch[0]) * 8;
+ s->video_height = AV_RL16(&scratch[2]) * 8;
debug_ipmovie("video resolution: %d x %d\n",
s->video_width, s->video_height);
break;
}
/* load the palette into internal data structure */
- first_color = LE_16(&scratch[0]);
- last_color = first_color + LE_16(&scratch[2]) - 1;
+ first_color = AV_RL16(&scratch[0]);
+ last_color = first_color + AV_RL16(&scratch[2]) - 1;
/* sanity check (since they are 16 bit values) */
if ((first_color > 0xFF) || (last_color > 0xFF)) {
debug_ipmovie("demux_ipmovie: set_palette indices out of range (%d -> %d)\n",
if (get_buffer(pb, chunk_preamble, CHUNK_PREAMBLE_SIZE) !=
CHUNK_PREAMBLE_SIZE)
return AVERROR_IO;
- chunk_type = LE_16(&chunk_preamble[2]);
+ chunk_type = AV_RL16(&chunk_preamble[2]);
url_fseek(pb, -CHUNK_PREAMBLE_SIZE, SEEK_CUR);
if (chunk_type == CHUNK_VIDEO)
return 0;
}
-static AVInputFormat ipmovie_iformat = {
+AVInputFormat ipmovie_demuxer = {
"ipmovie",
"Interplay MVE format",
sizeof(IPMVEContext),
ipmovie_read_packet,
ipmovie_read_close,
};
-
-int ipmovie_init(void)
-{
- av_register_input_format(&ipmovie_iformat);
- return 0;
-}
-
projects / ffmpeg / blobdiff