static int query_formats(AVFilterContext *ctx)
{
static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_YUV420P,
AV_PIX_FMT_YUV422P,
AV_PIX_FMT_YUV444P,
AV_PIX_FMT_YUV410P,
AV_PIX_FMT_YUV411P,
AV_PIX_FMT_YUV440P,
AV_PIX_FMT_YUVJ420P,
AV_PIX_FMT_YUVJ422P,
AV_PIX_FMT_YUVJ444P,
AV_PIX_FMT_YUVJ440P,
AV_NE( AV_PIX_FMT_YUV420P9BE, AV_PIX_FMT_YUV420P9LE ),
AV_NE( AV_PIX_FMT_YUV422P9BE, AV_PIX_FMT_YUV422P9LE ),
AV_NE( AV_PIX_FMT_YUV444P9BE, AV_PIX_FMT_YUV444P9LE ),
AV_NE( AV_PIX_FMT_YUV420P10BE, AV_PIX_FMT_YUV420P10LE ),
AV_NE( AV_PIX_FMT_YUV422P10BE, AV_PIX_FMT_YUV422P10LE ),
AV_NE( AV_PIX_FMT_YUV444P10BE, AV_PIX_FMT_YUV444P10LE ),
AV_NE( AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_YUV420P16LE ),
AV_NE( AV_PIX_FMT_YUV422P16BE, AV_PIX_FMT_YUV422P16LE ),
AV_NE( AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUV444P16LE ),
AV_PIX_FMT_NONE
};
ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
return 0;
}
static int get_format_from_sample_fmt(const char **fmt,
enum AVSampleFormat sample_fmt)
{
int i;
struct sample_fmt_entry {
enum AVSampleFormat sample_fmt; const char *fmt_be, *fmt_le;
} sample_fmt_entries[] = {
{ AV_SAMPLE_FMT_U8, "u8", "u8" },
{ AV_SAMPLE_FMT_S16, "s16be", "s16le" },
{ AV_SAMPLE_FMT_S32, "s32be", "s32le" },
{ AV_SAMPLE_FMT_FLT, "f32be", "f32le" },
{ AV_SAMPLE_FMT_DBL, "f64be", "f64le" },
};
*fmt = NULL;
for (i = 0; i < FF_ARRAY_ELEMS(sample_fmt_entries); i++) {
struct sample_fmt_entry *entry = &sample_fmt_entries[i];
if (sample_fmt == entry->sample_fmt) {
*fmt = AV_NE(entry->fmt_be, entry->fmt_le);
return 0;
}
}
fprintf(stderr,
"Sample format %s not supported as output format\n",
av_get_sample_fmt_name(sample_fmt));
return AVERROR(EINVAL);
}
static int read_header_gme(AVFormatContext *s)
{
AVStream *st;
AVIOContext *pb = s->pb;
GMEContext *gme = s->priv_data;
int64_t sz = avio_size(pb);
char *buf;
char dummy;
if (sz < 0) {
av_log(s, AV_LOG_WARNING, "Could not determine file size\n");
sz = gme->max_size;
} else if (gme->max_size && sz > gme->max_size) {
sz = gme->max_size;
}
buf = av_malloc(sz);
if (!buf)
return AVERROR(ENOMEM);
sz = avio_read(pb, buf, sz);
// Data left means our buffer (the max_size option) is too small
if (avio_read(pb, &dummy, 1) == 1) {
av_log(s, AV_LOG_ERROR, "File size is larger than max_size option "
"value %"PRIi64", consider increasing the max_size option\n",
gme->max_size);
return AVERROR_BUFFER_TOO_SMALL;
}
if (gme_open_data(buf, sz, &gme->music_emu, gme->sample_rate)) {
av_freep(&buf);
return AVERROR_INVALIDDATA;
}
av_freep(&buf);
if (gme_track_info(gme->music_emu, &gme->info, gme->track_index))
return AVERROR_STREAM_NOT_FOUND;
if (gme_start_track(gme->music_emu, gme->track_index))
return AVERROR_UNKNOWN;
load_metadata(s);
st = avformat_new_stream(s, NULL);
if (!st)
return AVERROR(ENOMEM);
avpriv_set_pts_info(st, 64, 1, 1000);
if (st->duration > 0)
st->duration = gme->info->length;
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE);
st->codecpar->channels = 2;
st->codecpar->sample_rate = gme->sample_rate;
return 0;
}
NULL, CODEC_ID_PCM_F32LE)
PCMDEF(s32be, "PCM signed 32 bit big-endian format",
NULL, CODEC_ID_PCM_S32BE)
PCMDEF(s32le, "PCM signed 32 bit little-endian format",
NULL, CODEC_ID_PCM_S32LE)
PCMDEF(s24be, "PCM signed 24 bit big-endian format",
NULL, CODEC_ID_PCM_S24BE)
PCMDEF(s24le, "PCM signed 24 bit little-endian format",
NULL, CODEC_ID_PCM_S24LE)
PCMDEF(s16be, "PCM signed 16 bit big-endian format",
AV_NE("sw", NULL), CODEC_ID_PCM_S16BE)
PCMDEF(s16le, "PCM signed 16 bit little-endian format",
AV_NE(NULL, "sw"), CODEC_ID_PCM_S16LE)
PCMDEF(s8, "PCM signed 8 bit format",
"sb", CODEC_ID_PCM_S8)
PCMDEF(u32be, "PCM unsigned 32 bit big-endian format",
NULL, CODEC_ID_PCM_U32BE)
PCMDEF(u32le, "PCM unsigned 32 bit little-endian format",
NULL, CODEC_ID_PCM_U32LE)
PCMDEF(u24be, "PCM unsigned 24 bit big-endian format",
NULL, CODEC_ID_PCM_U24BE)
.read_close = audio_read_close,
.flags = AVFMT_NOFILE,
.priv_class = &oss_demuxer_class,
};
#endif
#if CONFIG_OSS_OUTDEV
static const AVClass oss_muxer_class = {
.class_name = "OSS muxer",
.item_name = av_default_item_name,
.version = LIBAVUTIL_VERSION_INT,
.category = AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT,
};
AVOutputFormat ff_oss_muxer = {
.name = "oss",
.long_name = NULL_IF_CONFIG_SMALL("OSS (Open Sound System) playback"),
.priv_data_size = sizeof(AudioData),
/* XXX: we make the assumption that the soundcard accepts this format */
/* XXX: find better solution with "preinit" method, needed also in
other formats */
.audio_codec = AV_NE(AV_CODEC_ID_PCM_S16BE, AV_CODEC_ID_PCM_S16LE),
.video_codec = AV_CODEC_ID_NONE,
.write_header = audio_write_header,
.write_packet = audio_write_packet,
.write_trailer = audio_write_trailer,
.flags = AVFMT_NOFILE,
.priv_class = &oss_muxer_class,
};
#endif
};
AVInputFormat ff_oss_demuxer = {
.name = "oss",
.long_name = NULL_IF_CONFIG_SMALL("Open Sound System capture"),
.priv_data_size = sizeof(AudioData),
.read_header = audio_read_header,
.read_packet = audio_read_packet,
.read_close = audio_read_close,
.flags = AVFMT_NOFILE,
.priv_class = &oss_demuxer_class,
};
#endif
#if CONFIG_OSS_OUTDEV
AVOutputFormat ff_oss_muxer = {
.name = "oss",
.long_name = NULL_IF_CONFIG_SMALL("Open Sound System playback"),
.priv_data_size = sizeof(AudioData),
/* XXX: we make the assumption that the soundcard accepts this format */
/* XXX: find better solution with "preinit" method, needed also in
other formats */
.audio_codec = AV_NE(CODEC_ID_PCM_S16BE, CODEC_ID_PCM_S16LE),
.video_codec = CODEC_ID_NONE,
.write_header = audio_write_header,
.write_packet = audio_write_packet,
.write_trailer = audio_write_trailer,
.flags = AVFMT_NOFILE,
};
#endif
static int read_header_openmpt(AVFormatContext *s)
{
AVStream *st;
OpenMPTContext *openmpt = s->priv_data;
int64_t size;
char *buf;
#if OPENMPT_API_VERSION_AT_LEAST(0,3,0)
int error;
#endif
int ret;
size = avio_size(s->pb);
if (size <= 0)
return AVERROR_INVALIDDATA;
buf = av_malloc(size);
if (!buf)
return AVERROR(ENOMEM);
size = avio_read(s->pb, buf, size);
if (size < 0) {
av_log(s, AV_LOG_ERROR, "Reading input buffer failed.\n");
av_freep(&buf);
return size;
}
#if OPENMPT_API_VERSION_AT_LEAST(0,3,0)
error = OPENMPT_ERROR_OK;
openmpt->module = openmpt_module_create_from_memory2(buf, size, openmpt_logfunc, s, NULL, NULL, &error, NULL, NULL);
av_freep(&buf);
if (!openmpt->module) {
if (error == OPENMPT_ERROR_OUT_OF_MEMORY)
return AVERROR(ENOMEM);
else if (error >= OPENMPT_ERROR_GENERAL)
return AVERROR_INVALIDDATA;
else
return AVERROR_UNKNOWN;
}
#else
openmpt->module = openmpt_module_create_from_memory(buf, size, openmpt_logfunc, s, NULL);
av_freep(&buf);
if (!openmpt->module)
return AVERROR_INVALIDDATA;
#endif
openmpt->channels = av_get_channel_layout_nb_channels(openmpt->layout);
if (openmpt->subsong >= openmpt_module_get_num_subsongs(openmpt->module)) {
openmpt_module_destroy(openmpt->module);
av_log(s, AV_LOG_ERROR, "Invalid subsong index: %d\n", openmpt->subsong);
return AVERROR(EINVAL);
}
if (openmpt->subsong != -2) {
if (openmpt->subsong >= 0) {
av_dict_set_int(&s->metadata, "track", openmpt->subsong + 1, 0);
}
ret = openmpt_module_select_subsong(openmpt->module, openmpt->subsong);
if (!ret){
openmpt_module_destroy(openmpt->module);
av_log(s, AV_LOG_ERROR, "Could not select requested subsong: %d", openmpt->subsong);
return AVERROR(EINVAL);
}
}
openmpt->duration = openmpt_module_get_duration_seconds(openmpt->module);
add_meta(s, "artist", openmpt_module_get_metadata(openmpt->module, "artist"));
add_meta(s, "title", openmpt_module_get_metadata(openmpt->module, "title"));
add_meta(s, "encoder", openmpt_module_get_metadata(openmpt->module, "tracker"));
add_meta(s, "comment", openmpt_module_get_metadata(openmpt->module, "message"));
add_meta(s, "date", openmpt_module_get_metadata(openmpt->module, "date"));
st = avformat_new_stream(s, NULL);
if (!st) {
openmpt_module_destroy(openmpt->module);
openmpt->module = NULL;
return AVERROR(ENOMEM);
}
avpriv_set_pts_info(st, 64, 1, AV_TIME_BASE);
st->duration = llrint(openmpt->duration*AV_TIME_BASE);
st->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
st->codecpar->codec_id = AV_NE(AV_CODEC_ID_PCM_F32BE, AV_CODEC_ID_PCM_F32LE);
st->codecpar->channels = openmpt->channels;
st->codecpar->sample_rate = openmpt->sample_rate;
return 0;
}
"oss",
NULL_IF_CONFIG_SMALL("Open Sound System capture"),
sizeof(AudioData),
NULL,
audio_read_header,
audio_read_packet,
audio_read_close,
.flags = AVFMT_NOFILE,
.priv_class = &oss_demuxer_class,
};
#endif
#if CONFIG_OSS_OUTDEV
AVOutputFormat ff_oss_muxer = {
"oss",
NULL_IF_CONFIG_SMALL("Open Sound System playback"),
"",
"",
sizeof(AudioData),
/* XXX: we make the assumption that the soundcard accepts this format */
/* XXX: find better solution with "preinit" method, needed also in
other formats */
AV_NE(CODEC_ID_PCM_S16BE, CODEC_ID_PCM_S16LE),
CODEC_ID_NONE,
audio_write_header,
audio_write_packet,
audio_write_trailer,
.flags = AVFMT_NOFILE,
};
#endif
