Commit c80222d4 authored by Rémi Denis-Courmont's avatar Rémi Denis-Courmont

GME: support for more than one track per file

parent 9b00ccb6
......@@ -29,6 +29,7 @@
#include <assert.h>
#include <vlc_common.h>
#include <vlc_input.h>
#include <vlc_demux.h>
#include <vlc_plugin.h>
......@@ -51,8 +52,13 @@ vlc_module_end ()
struct demux_sys_t
{
Music_Emu *emu;
unsigned track_id;
es_out_id_t *es;
date_t pts;
input_title_t **titlev;
unsigned titlec;
};
......@@ -69,6 +75,7 @@ static int Open (vlc_object_t *obj)
|| size > LONG_MAX /* too big for GME */)
return VLC_EGENERIC;
/* Auto detection */
const uint8_t *peek;
if (stream_Peek (demux->s, &peek, 4) < 4)
return VLC_EGENERIC;
......@@ -78,6 +85,7 @@ static int Open (vlc_object_t *obj)
return VLC_EGENERIC;
msg_Dbg (obj, "detected file type %s", type);
/* Initialization */
demux_sys_t *sys = malloc (sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
......@@ -89,7 +97,7 @@ static int Open (vlc_object_t *obj)
return VLC_ENOMEM;
}
gme_load_custom (sys->emu, Reader, size, demux->s);
gme_start_track (sys->emu, 0);
gme_start_track (sys->emu, sys->track_id = 0);
es_format_t fmt;
es_format_Init (&fmt, AUDIO_ES, VLC_CODEC_S16N);
......@@ -105,6 +113,31 @@ static int Open (vlc_object_t *obj)
date_Init (&sys->pts, RATE, 1);
date_Set (&sys->pts, 0);
/* Titles */
unsigned n = gme_track_count (sys->emu);
sys->titlev = malloc (n * sizeof (*sys->titlev));
if (unlikely(sys->titlev == NULL))
n = 0;
sys->titlec = n;
for (unsigned i = 0; i < n; i++)
{
input_title_t *title = vlc_input_title_New ();
sys->titlev[i] = title;
if (unlikely(title == NULL))
continue;
gme_info_t *infos;
if (gme_track_info (sys->emu, &infos, i))
continue;
msg_Dbg (obj, "track %u: %s %d ms", i, infos->song, infos->length);
if (infos->length != -1)
title->i_length = infos->length * INT64_C(1000);
if (infos->song[0])
title->psz_name = strdup (infos->song);
gme_free_info (infos);
}
/* Callbacks */
demux->pf_demux = Demux;
demux->pf_control = Control;
demux->p_sys = sys;
......@@ -117,6 +150,9 @@ static void Close (vlc_object_t *obj)
demux_t *demux = (demux_t *)obj;
demux_sys_t *sys = demux->p_sys;
for (unsigned i = 0, n = sys->titlec; i < n; i++)
vlc_input_title_Delete (sys->titlev[i]);
free (sys->titlev);
gme_delete (sys->emu);
free (sys);
}
......@@ -138,12 +174,19 @@ static int Demux (demux_t *demux)
{
demux_sys_t *sys = demux->p_sys;
/* Next track */
if (gme_track_ended (sys->emu))
{
msg_Dbg (demux, "track ended");
return 0;
msg_Dbg (demux, "track %u ended", sys->track_id);
if (++sys->track_id >= (unsigned)gme_track_count (sys->emu))
return 0;
demux->info.i_update |= INPUT_UPDATE_TITLE;
demux->info.i_title = sys->track_id;
gme_start_track (sys->emu, sys->track_id);
}
block_t *block = block_Alloc (2 * 2 * SAMPLES);
if (unlikely(block == NULL))
return 0;
......@@ -170,15 +213,44 @@ static int Control (demux_t *demux, int query, va_list args)
switch (query)
{
case DEMUX_GET_POSITION: // TODO
case DEMUX_GET_POSITION:
{
double *pos = va_arg (args, double *);
*pos = 0.;
if (unlikely(sys->track_id >= sys->titlec)
|| (sys->titlev[sys->track_id]->i_length == 0))
*pos = 0.;
else
*pos = (double)(gme_tell (sys->emu))
/ (double)(sys->titlev[sys->track_id]->i_length / 1000);
return VLC_SUCCESS;
}
case DEMUX_SET_POSITION:
{
double pos = va_arg (args, double);
if (unlikely(sys->track_id >= sys->titlec)
|| (sys->titlev[sys->track_id]->i_length == 0))
break;
int seek = (sys->titlev[sys->track_id]->i_length / 1000) * pos;
if (seek > INT_MAX || gme_seek (sys->emu, seek))
break;
return VLC_SUCCESS;
}
case DEMUX_GET_LENGTH:
{
int64_t *v = va_arg (args, int64_t *);
if (unlikely(sys->track_id >= sys->titlec)
|| (sys->titlev[sys->track_id]->i_length == 0))
break;
*v = sys->titlev[sys->track_id]->i_length;
return VLC_SUCCESS;
}
//case DEMUX_SET_POSITION: TODO
//case DEMUX_GET_LENGTH: TODO
case DEMUX_GET_TIME:
{
int64_t *v = va_arg (args, int64_t *);
......@@ -188,9 +260,38 @@ static int Control (demux_t *demux, int query, va_list args)
case DEMUX_SET_TIME:
{
int64_t v = va_arg (args, int64_t);
if (v > INT_MAX || gme_seek (sys->emu, v / 1000))
return VLC_EGENERIC;
int64_t v = va_arg (args, int64_t) / 1000;
if (v > INT_MAX || gme_seek (sys->emu, v))
break;
return VLC_SUCCESS;
}
case DEMUX_GET_TITLE_INFO:
{
input_title_t ***titlev = va_arg (args, input_title_t ***);
int *titlec = va_arg (args, int *);
*(va_arg (args, int *)) = 0; /* Title offset */
*(va_arg (args, int *)) = 0; /* Chapter offset */
unsigned n = sys->titlec;
*titlev = malloc (sizeof (**titlev) * n);
if (unlikely(titlev == NULL))
n = 0;
*titlec = n;
for (unsigned i = 0; i < n; i++)
(*titlev)[i] = vlc_input_title_Duplicate (sys->titlev[i]);
return VLC_SUCCESS;
}
case DEMUX_SET_TITLE:
{
int track_id = va_arg (args, int);
if (track_id >= gme_track_count (sys->emu))
break;
gme_start_track (sys->emu, track_id);
demux->info.i_update |= INPUT_UPDATE_TITLE;
demux->info.i_title = track_id;
sys->track_id = track_id;
return VLC_SUCCESS;
}
}
......
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