* Westwood Studios Multimedia Formats Demuxer (VQA, AUD)
* 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
*/
/**
if ((field < 8000) || (field > 48000))
return 0;
- /* note: only check for WS IMA (type 99) right now since there is no
+ /* note: only check for WS IMA (type 99) right now since there is no
* support for type 1 */
if (p->buf[11] != 99)
return 0;
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, wsaud->audio_samplerate);
- st->codec.codec_type = CODEC_TYPE_AUDIO;
- st->codec.codec_id = wsaud->audio_type;
- st->codec.codec_tag = 0; /* no tag */
- st->codec.channels = wsaud->audio_channels;
- st->codec.sample_rate = wsaud->audio_samplerate;
- st->codec.bits_per_sample = wsaud->audio_bits;
- st->codec.bit_rate = st->codec.channels * st->codec.sample_rate *
- st->codec.bits_per_sample / 4;
- st->codec.block_align = st->codec.channels * st->codec.bits_per_sample;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = wsaud->audio_type;
+ st->codec->codec_tag = 0; /* no tag */
+ st->codec->channels = wsaud->audio_channels;
+ st->codec->sample_rate = wsaud->audio_samplerate;
+ st->codec->bits_per_sample = wsaud->audio_bits;
+ st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
+ st->codec->bits_per_sample / 4;
+ st->codec->block_align = st->codec->channels * st->codec->bits_per_sample;
wsaud->audio_stream_index = st->index;
wsaud->audio_frame_counter = 0;
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
wsvqa->video_stream_index = st->index;
- st->codec.codec_type = CODEC_TYPE_VIDEO;
- st->codec.codec_id = CODEC_ID_WS_VQA;
- st->codec.codec_tag = 0; /* no fourcc */
+ st->codec->codec_type = CODEC_TYPE_VIDEO;
+ st->codec->codec_id = CODEC_ID_WS_VQA;
+ st->codec->codec_tag = 0; /* no fourcc */
/* skip to the start of the VQA header */
url_fseek(pb, 20, SEEK_SET);
/* the VQA header needs to go to the decoder */
- st->codec.extradata_size = VQA_HEADER_SIZE;
- st->codec.extradata = av_malloc(VQA_HEADER_SIZE);
- header = (unsigned char *)st->codec.extradata;
- if (get_buffer(pb, st->codec.extradata, VQA_HEADER_SIZE) !=
+ st->codec->extradata_size = VQA_HEADER_SIZE;
+ st->codec->extradata = av_mallocz(VQA_HEADER_SIZE + FF_INPUT_BUFFER_PADDING_SIZE);
+ header = (unsigned char *)st->codec->extradata;
+ if (get_buffer(pb, st->codec->extradata, VQA_HEADER_SIZE) !=
VQA_HEADER_SIZE) {
- av_free(st->codec.extradata);
+ av_free(st->codec->extradata);
return AVERROR_IO;
}
- st->codec.width = LE_16(&header[6]);
- st->codec.height = LE_16(&header[8]);
+ st->codec->width = LE_16(&header[6]);
+ st->codec->height = LE_16(&header[8]);
/* initialize the audio decoder stream is sample rate is non-zero */
if (LE_16(&header[24])) {
if (!st)
return AVERROR_NOMEM;
av_set_pts_info(st, 33, 1, 90000);
- st->codec.codec_type = CODEC_TYPE_AUDIO;
- st->codec.codec_id = CODEC_ID_ADPCM_IMA_WS;
- st->codec.codec_tag = 0; /* no tag */
- st->codec.sample_rate = LE_16(&header[24]);
- st->codec.channels = header[26];
- st->codec.bits_per_sample = 16;
- st->codec.bit_rate = st->codec.channels * st->codec.sample_rate *
- st->codec.bits_per_sample / 4;
- st->codec.block_align = st->codec.channels * st->codec.bits_per_sample;
+ st->codec->codec_type = CODEC_TYPE_AUDIO;
+ st->codec->codec_id = CODEC_ID_ADPCM_IMA_WS;
+ st->codec->codec_tag = 0; /* no tag */
+ st->codec->sample_rate = LE_16(&header[24]);
+ st->codec->channels = header[26];
+ st->codec->bits_per_sample = 16;
+ st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
+ st->codec->bits_per_sample / 4;
+ st->codec->block_align = st->codec->channels * st->codec->bits_per_sample;
wsvqa->audio_stream_index = st->index;
- wsvqa->audio_samplerate = st->codec.sample_rate;
- wsvqa->audio_channels = st->codec.channels;
+ wsvqa->audio_samplerate = st->codec->sample_rate;
+ wsvqa->audio_channels = st->codec->channels;
wsvqa->audio_frame_counter = 0;
}
* FINF has been skipped and the file will be ready to be demuxed */
do {
if (get_buffer(pb, scratch, VQA_PREAMBLE_SIZE) != VQA_PREAMBLE_SIZE) {
- av_free(st->codec.extradata);
+ av_free(st->codec->extradata);
return AVERROR_IO;
}
chunk_tag = BE_32(&scratch[0]);
pkt->pts /= wsvqa->audio_samplerate;
/* 2 samples/byte, 1 or 2 samples per frame depending on stereo */
- wsvqa->audio_frame_counter += (chunk_size * 2) /
+ wsvqa->audio_frame_counter += (chunk_size * 2) /
wsvqa->audio_channels;
} else {
pkt->stream_index = wsvqa->video_stream_index;
return 0;
}
-static AVInputFormat wsaud_iformat = {
+#ifdef CONFIG_WSAUD_DEMUXER
+AVInputFormat wsaud_demuxer = {
"wsaud",
"Westwood Studios audio format",
sizeof(WsAudDemuxContext),
wsaud_read_packet,
wsaud_read_close,
};
-
-static AVInputFormat wsvqa_iformat = {
+#endif
+#ifdef CONFIG_WSVQA_DEMUXER
+AVInputFormat wsvqa_demuxer = {
"wsvqa",
"Westwood Studios VQA format",
sizeof(WsVqaDemuxContext),
wsvqa_read_packet,
wsvqa_read_close,
};
-
-int westwood_init(void)
-{
- av_register_input_format(&wsaud_iformat);
- av_register_input_format(&wsvqa_iformat);
- return 0;
-}
+#endif
projects / ffmpeg / blobdiff