/**
* It opens an imem access.
*/
static int OpenAccess(vlc_object_t *object)
{
access_t *access = (access_t *)object;
imem_sys_t *sys;
if (OpenCommon(object, &sys, access->psz_path))
return VLC_EGENERIC;
if (var_InheritInteger(object, "imem-cat") != 4) {
CloseCommon(sys);
return VLC_EGENERIC;
}
/* */
access_InitFields(access);
access->pf_control = ControlAccess;
access->pf_read = NULL;
access->pf_block = Block;
access->pf_seek = NULL;
access->p_sys = (access_sys_t*)sys;
access->info.i_size = var_InheritInteger(object, "imem-size");
return VLC_SUCCESS;
}
/**
* It closes an imem access_demux
*/
static void CloseDemux(vlc_object_t *object)
{
demux_t *demux = (demux_t *)object;
CloseCommon((imem_sys_t*)demux->p_sys);
}
/**
* It opens an imem access_demux.
*/
static int OpenDemux(vlc_object_t *object)
{
demux_t *demux = (demux_t *)object;
imem_sys_t *sys;
if (OpenCommon(object, &sys, demux->psz_path))
return VLC_EGENERIC;
/* ES format */
es_format_t fmt;
es_format_Init(&fmt, UNKNOWN_ES, 0);
fmt.i_id = var_InheritInteger(object, "imem-id");
fmt.i_group = var_InheritInteger(object, "imem-group");
char *tmp = var_InheritString(object, "imem-codec");
if (tmp)
fmt.i_codec = vlc_fourcc_GetCodecFromString(UNKNOWN_ES, tmp);
free(tmp);
const int cat = var_InheritInteger(object, "imem-cat");
switch (cat) {
case 1: {
fmt.i_cat = AUDIO_ES;
fmt.audio.i_channels = var_InheritInteger(object, "imem-channels");
fmt.audio.i_rate = var_InheritInteger(object, "imem-samplerate");
msg_Dbg(object, "Audio %4.4s %d channels %d Hz",
(const char *)&fmt.i_codec,
fmt.audio.i_channels, fmt.audio.i_rate);
break;
}
case 2: {
fmt.i_cat = VIDEO_ES;
fmt.video.i_width = var_InheritInteger(object, "imem-width");
fmt.video.i_height = var_InheritInteger(object, "imem-height");
unsigned num, den;
if (!var_InheritRational(object, &num, &den, "imem-dar") && num > 0 && den > 0) {
if (fmt.video.i_width > 0 && fmt.video.i_height > 0) {
fmt.video.i_sar_num = num * fmt.video.i_height;
fmt.video.i_sar_den = den * fmt.video.i_width;
}
}
if (!var_InheritRational(object, &num, &den, "imem-fps") && num > 0 && den > 0) {
fmt.video.i_frame_rate = num;
fmt.video.i_frame_rate_base = den;
}
msg_Dbg(object, "Video %4.4s %dx%d SAR %d:%d frame rate %u/%u",
(const char *)&fmt.i_codec,
fmt.video.i_width, fmt.video.i_height,
fmt.video.i_sar_num, fmt.video.i_sar_den,
fmt.video.i_frame_rate, fmt.video.i_frame_rate_base);
break;
}
case 3: {
fmt.i_cat = SPU_ES;
fmt.subs.spu.i_original_frame_width =
var_InheritInteger(object, "imem-width");
fmt.subs.spu.i_original_frame_height =
var_InheritInteger(object, "imem-height");
msg_Dbg(object, "Subtitle %4.4s",
(const char *)&fmt.i_codec);
break;
}
default:
if (cat != 4)
msg_Err(object, "Invalid ES category");
es_format_Clean(&fmt);
CloseCommon(sys);
return VLC_EGENERIC;
}
fmt.psz_language = var_InheritString(object, "imem-language");
sys->es = es_out_Add(demux->out, &fmt);
es_format_Clean(&fmt);
if (!sys->es) {
CloseCommon(sys);
return VLC_EGENERIC;
}
/* */
demux->pf_control = ControlDemux;
demux->pf_demux = Demux;
demux->p_sys = (demux_sys_t*)sys;
demux->info.i_update = 0;
demux->info.i_title = 0;
demux->info.i_seekpoint = 0;
return VLC_SUCCESS;
}
/**
* It closes an imem access
*/
static void CloseAccess(vlc_object_t *object)
{
access_t *access = (access_t *)object;
CloseCommon((imem_sys_t*)access->p_sys);
}