#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')
int video_stream_index;
int audio_stream_index;
- enum CodecID audio_type;
+ enum AVCodecID audio_type;
unsigned int audio_samplerate;
unsigned int audio_bits;
unsigned int audio_channels;
- enum CodecID video_type;
+ enum AVCodecID video_type;
unsigned int sample_count;
film_sample *sample_table;
unsigned int current_sample;
return AVPROBE_SCORE_MAX;
}
-static int film_read_header(AVFormatContext *s,
- AVFormatParameters *ap)
+static int film_read_close(AVFormatContext *s)
+{
+ FilmDemuxContext *film = s->priv_data;
+
+ av_freep(&film->sample_table);
+ av_freep(&film->stereo_buffer);
+
+ return 0;
+}
+
+static int film_read_header(AVFormatContext *s)
{
FilmDemuxContext *film = s->priv_data;
AVIOContext *pb = s->pb;
AVStream *st;
unsigned char scratch[256];
- int i;
+ int i, ret;
unsigned int data_offset;
unsigned int audio_frame_counter;
if (avio_read(pb, scratch, 20) != 20)
return AVERROR(EIO);
/* make some assumptions about the audio parameters */
- film->audio_type = CODEC_ID_PCM_S8;
+ film->audio_type = AV_CODEC_ID_PCM_S8;
film->audio_samplerate = 22050;
film->audio_channels = 1;
film->audio_bits = 8;
return AVERROR(EIO);
film->audio_samplerate = AV_RB16(&scratch[24]);
film->audio_channels = scratch[21];
+ if (!film->audio_channels || film->audio_channels > 2) {
+ av_log(s, AV_LOG_ERROR,
+ "Invalid number of channels: %d\n", film->audio_channels);
+ return AVERROR_INVALIDDATA;
+ }
film->audio_bits = scratch[22];
if (scratch[23] == 2)
- film->audio_type = CODEC_ID_ADPCM_ADX;
+ film->audio_type = AV_CODEC_ID_ADPCM_ADX;
else if (film->audio_channels > 0) {
if (film->audio_bits == 8)
- film->audio_type = CODEC_ID_PCM_S8;
+ film->audio_type = AV_CODEC_ID_PCM_S8;
else if (film->audio_bits == 16)
- film->audio_type = CODEC_ID_PCM_S16BE;
+ film->audio_type = AV_CODEC_ID_PCM_S16BE;
else
- film->audio_type = CODEC_ID_NONE;
+ film->audio_type = AV_CODEC_ID_NONE;
} else
- film->audio_type = CODEC_ID_NONE;
+ film->audio_type = AV_CODEC_ID_NONE;
}
if (AV_RB32(&scratch[0]) != FDSC_TAG)
return AVERROR_INVALIDDATA;
if (AV_RB32(&scratch[8]) == CVID_TAG) {
- film->video_type = CODEC_ID_CINEPAK;
+ film->video_type = AV_CODEC_ID_CINEPAK;
} else if (AV_RB32(&scratch[8]) == RAW_TAG) {
- film->video_type = CODEC_ID_RAWVIDEO;
+ film->video_type = AV_CODEC_ID_RAWVIDEO;
} else {
- film->video_type = CODEC_ID_NONE;
+ film->video_type = AV_CODEC_ID_NONE;
}
/* initialize the decoder streams */
st->codec->width = AV_RB32(&scratch[16]);
st->codec->height = AV_RB32(&scratch[12]);
- if (film->video_type == CODEC_ID_RAWVIDEO) {
+ if (film->video_type == AV_CODEC_ID_RAWVIDEO) {
if (scratch[20] == 24) {
- st->codec->pix_fmt = PIX_FMT_RGB24;
+ st->codec->pix_fmt = AV_PIX_FMT_RGB24;
} else {
av_log(s, AV_LOG_ERROR, "raw video is using unhandled %dbpp\n", scratch[20]);
return -1;
st->codec->channels = film->audio_channels;
st->codec->sample_rate = film->audio_samplerate;
- if (film->audio_type == CODEC_ID_ADPCM_ADX) {
+ if (film->audio_type == AV_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;
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);
+ for (i = 0; i < s->nb_streams; i++) {
+ st = s->streams[i];
+ if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+ avpriv_set_pts_info(st, 33, 1, film->base_clock);
+ else
+ avpriv_set_pts_info(st, 64, 1, film->audio_samplerate);
+ }
audio_frame_counter = 0;
for (i = 0; i < film->sample_count; i++) {
/* load the next sample record and transfer it to an internal struct */
if (avio_read(pb, scratch, 16) != 16) {
- av_free(film->sample_table);
- return AVERROR(EIO);
+ ret = AVERROR(EIO);
+ goto fail;
}
film->sample_table[i].sample_offset =
data_offset + AV_RB32(&scratch[0]);
film->sample_table[i].sample_size = AV_RB32(&scratch[4]);
+ if (film->sample_table[i].sample_size > INT_MAX / 4) {
+ ret = AVERROR_INVALIDDATA;
+ goto fail;
+ }
if (AV_RB32(&scratch[8]) == 0xFFFFFFFF) {
film->sample_table[i].stream = film->audio_stream_index;
film->sample_table[i].pts = audio_frame_counter;
- film->sample_table[i].pts *= film->base_clock;
- film->sample_table[i].pts /= film->audio_samplerate;
- if (film->audio_type == CODEC_ID_ADPCM_ADX)
+ if (film->audio_type == AV_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)
+ else if (film->audio_type != AV_CODEC_ID_NONE)
audio_frame_counter += (film->sample_table[i].sample_size /
(film->audio_channels * film->audio_bits / 8));
} else {
film->current_sample = 0;
return 0;
+fail:
+ film_read_close(s);
+ return ret;
}
static int film_read_packet(AVFormatContext *s,
/* do a special song and dance when loading FILM Cinepak chunks */
if ((sample->stream == film->video_stream_index) &&
- (film->video_type == CODEC_ID_CINEPAK)) {
+ (film->video_type == AV_CODEC_ID_CINEPAK)) {
pkt->pos= avio_tell(pb);
if (av_new_packet(pkt, sample->sample_size))
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_type != CODEC_ID_ADPCM_ADX)) {
+ (film->audio_type != AV_CODEC_ID_ADPCM_ADX)) {
/* stereo PCM needs to be interleaved */
if (av_new_packet(pkt, sample->sample_size))
return ret;
}
-static int film_read_close(AVFormatContext *s)
-{
- FilmDemuxContext *film = s->priv_data;
-
- av_free(film->sample_table);
- av_free(film->stereo_buffer);
-
- return 0;
-}
-
AVInputFormat ff_segafilm_demuxer = {
.name = "film_cpk",
- .long_name = NULL_IF_CONFIG_SMALL("Sega FILM/CPK format"),
+ .long_name = NULL_IF_CONFIG_SMALL("Sega FILM / CPK"),
.priv_data_size = sizeof(FilmDemuxContext),
.read_probe = film_probe,
.read_header = film_read_header,
projects / ffmpeg / blobdiff