* Sega FILM Format (CPK) Demuxer
* Copyright (c) 2003 The ffmpeg Project
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/intreadwrite.h"
#include "avformat.h"
+#include "internal.h"
#define FILM_TAG MKBETAG('F', 'I', 'L', 'M')
#define FDSC_TAG MKBETAG('F', 'D', 'S', 'C')
#define STAB_TAG MKBETAG('S', 'T', 'A', 'B')
#define CVID_TAG MKBETAG('c', 'v', 'i', 'd')
+#define RAW_TAG MKBETAG('r', 'a', 'w', ' ')
typedef struct {
int stream;
film->audio_samplerate = AV_RB16(&scratch[24]);
film->audio_channels = scratch[21];
film->audio_bits = scratch[22];
- if (film->audio_bits == 8)
- film->audio_type = CODEC_ID_PCM_S8;
- else if (film->audio_bits == 16)
- film->audio_type = CODEC_ID_PCM_S16BE;
- else
+ if (scratch[23] == 2)
+ film->audio_type = CODEC_ID_ADPCM_ADX;
+ else if (film->audio_channels > 0) {
+ if (film->audio_bits == 8)
+ film->audio_type = CODEC_ID_PCM_S8;
+ else if (film->audio_bits == 16)
+ film->audio_type = CODEC_ID_PCM_S16BE;
+ else
+ film->audio_type = CODEC_ID_NONE;
+ } else
film->audio_type = CODEC_ID_NONE;
}
if (AV_RB32(&scratch[8]) == CVID_TAG) {
film->video_type = CODEC_ID_CINEPAK;
- } else
+ } else if (AV_RB32(&scratch[8]) == RAW_TAG) {
+ film->video_type = CODEC_ID_RAWVIDEO;
+ } else {
film->video_type = CODEC_ID_NONE;
+ }
/* initialize the decoder streams */
if (film->video_type) {
- st = av_new_stream(s, 0);
+ st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
film->video_stream_index = st->index;
st->codec->codec_tag = 0; /* no fourcc */
st->codec->width = AV_RB32(&scratch[16]);
st->codec->height = AV_RB32(&scratch[12]);
+
+ if (film->video_type == CODEC_ID_RAWVIDEO) {
+ if (scratch[20] == 24) {
+ st->codec->pix_fmt = PIX_FMT_RGB24;
+ } else {
+ av_log(s, AV_LOG_ERROR, "raw video is using unhandled %dbpp\n", scratch[20]);
+ return -1;
+ }
+ }
}
if (film->audio_type) {
- st = av_new_stream(s, 0);
+ st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
film->audio_stream_index = st->index;
st->codec->codec_id = film->audio_type;
st->codec->codec_tag = 1;
st->codec->channels = film->audio_channels;
- st->codec->bits_per_coded_sample = film->audio_bits;
st->codec->sample_rate = film->audio_samplerate;
+
+ if (film->audio_type == CODEC_ID_ADPCM_ADX) {
+ st->codec->bits_per_coded_sample = 18 * 8 / 32;
+ st->codec->block_align = st->codec->channels * 18;
+ st->need_parsing = AVSTREAM_PARSE_FULL;
+ } else {
+ st->codec->bits_per_coded_sample = film->audio_bits;
+ st->codec->block_align = st->codec->channels *
+ st->codec->bits_per_coded_sample / 8;
+ }
+
st->codec->bit_rate = st->codec->channels * st->codec->sample_rate *
st->codec->bits_per_coded_sample;
- st->codec->block_align = st->codec->channels *
- st->codec->bits_per_coded_sample / 8;
}
/* load the sample table */
if(film->sample_count >= UINT_MAX / sizeof(film_sample))
return -1;
film->sample_table = av_malloc(film->sample_count * sizeof(film_sample));
+ if (!film->sample_table)
+ return AVERROR(ENOMEM);
for(i=0; i<s->nb_streams; i++)
- av_set_pts_info(s->streams[i], 33, 1, film->base_clock);
+ avpriv_set_pts_info(s->streams[i], 33, 1, film->base_clock);
audio_frame_counter = 0;
for (i = 0; i < film->sample_count; i++) {
film->sample_table[i].pts *= film->base_clock;
film->sample_table[i].pts /= film->audio_samplerate;
- audio_frame_counter += (film->sample_table[i].sample_size /
- (film->audio_channels * film->audio_bits / 8));
+ if (film->audio_type == CODEC_ID_ADPCM_ADX)
+ audio_frame_counter += (film->sample_table[i].sample_size * 32 /
+ (18 * film->audio_channels));
+ else if (film->audio_type != CODEC_ID_NONE)
+ audio_frame_counter += (film->sample_table[i].sample_size /
+ (film->audio_channels * film->audio_bits / 8));
} else {
film->sample_table[i].stream = film->video_stream_index;
film->sample_table[i].pts = AV_RB32(&scratch[8]) & 0x7FFFFFFF;
return AVERROR(ENOMEM);
avio_read(pb, pkt->data, sample->sample_size);
} else if ((sample->stream == film->audio_stream_index) &&
- (film->audio_channels == 2)) {
+ (film->audio_channels == 2) &&
+ (film->audio_type != CODEC_ID_ADPCM_ADX)) {
/* stereo PCM needs to be interleaved */
if (av_new_packet(pkt, sample->sample_size))
av_free(film->stereo_buffer);
film->stereo_buffer_size = sample->sample_size;
film->stereo_buffer = av_malloc(film->stereo_buffer_size);
+ if (!film->stereo_buffer) {
+ film->stereo_buffer_size = 0;
+ return AVERROR(ENOMEM);
+ }
}
pkt->pos= avio_tell(pb);
}
AVInputFormat ff_segafilm_demuxer = {
- "film_cpk",
- NULL_IF_CONFIG_SMALL("Sega FILM/CPK format"),
- sizeof(FilmDemuxContext),
- film_probe,
- film_read_header,
- film_read_packet,
- film_read_close,
+ .name = "film_cpk",
+ .long_name = NULL_IF_CONFIG_SMALL("Sega FILM/CPK format"),
+ .priv_data_size = sizeof(FilmDemuxContext),
+ .read_probe = film_probe,
+ .read_header = film_read_header,
+ .read_packet = film_read_packet,
+ .read_close = film_read_close,
};
projects / ffmpeg / blobdiff