diff options
Diffstat (limited to 'stream/stream_vcd.c')
-rw-r--r-- | stream/stream_vcd.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/stream/stream_vcd.c b/stream/stream_vcd.c new file mode 100644 index 0000000000..528a8d43d2 --- /dev/null +++ b/stream/stream_vcd.c @@ -0,0 +1,152 @@ + +#include "config.h" + +#include "mp_msg.h" +#include "stream.h" +#include "help_mp.h" +#include "m_option.h" +#include "m_struct.h" + +#include <fcntl.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/ioctl.h> +#include <errno.h> + +#if defined(__FreeBSD__) || defined(__DragonFly__) +#include <sys/cdrio.h> +#include "vcd_read_fbsd.h" +#elif defined(__NetBSD__) || defined (__OpenBSD__) +#include "vcd_read_nbsd.h" +#elif defined(SYS_DARWIN) +#include "vcd_read_darwin.h" +#else +#include "vcd_read.h" +#endif + +extern char *cdrom_device; + +static struct stream_priv_s { + int track; + char* device; +} stream_priv_dflts = { + 1, + NULL +}; + +#define ST_OFF(f) M_ST_OFF(struct stream_priv_s,f) +/// URL definition +static m_option_t stream_opts_fields[] = { + { "track", ST_OFF(track), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL }, + { "device", ST_OFF(device), CONF_TYPE_STRING, 0, 0 ,0, NULL}, + /// For url parsing + { "hostname", ST_OFF(track), CONF_TYPE_INT, M_OPT_MIN, 1, 0, NULL }, + { "filename", ST_OFF(device), CONF_TYPE_STRING, 0, 0 ,0, NULL}, + { NULL, NULL, 0, 0, 0, 0, NULL } +}; +static struct m_struct_st stream_opts = { + "vcd", + sizeof(struct stream_priv_s), + &stream_priv_dflts, + stream_opts_fields +}; + +static int fill_buffer(stream_t *s, char* buffer, int max_len){ + if(s->pos > s->end_pos) /// don't past end of current track + return 0; + return vcd_read(s->priv,buffer); +} + +static int seek(stream_t *s,off_t newpos) { + s->pos = newpos; + vcd_set_msf(s->priv,s->pos/VCD_SECTOR_DATA); + return 1; +} + +static void close_s(stream_t *stream) { + free(stream->priv); +} + +static int open_s(stream_t *stream,int mode, void* opts, int* file_format) { + struct stream_priv_s* p = (struct stream_priv_s*)opts; + int ret,ret2,f; + mp_vcd_priv_t* vcd; +#ifdef __FreeBSD__ + int bsize = VCD_SECTOR_SIZE; +#endif + + if(mode != STREAM_READ) { + m_struct_free(&stream_opts,opts); + return STREAM_UNSUPORTED; + } + + if (!p->device) { + if(cdrom_device) + p->device = strdup(cdrom_device); + else + p->device = strdup(DEFAULT_CDROM_DEVICE); + } + + f=open(p->device,O_RDONLY); + if(f<0){ + mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_CdDevNotfound,p->device); + m_struct_free(&stream_opts,opts); + return STREAM_ERROR; + } + + vcd = vcd_read_toc(f); + if(!vcd) { + mp_msg(MSGT_OPEN,MSGL_ERR,"Failed to get cd toc\n"); + close(f); + m_struct_free(&stream_opts,opts); + return STREAM_ERROR; + } + ret2=vcd_get_track_end(vcd,p->track); + if(ret2<0){ + mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_ErrTrackSelect " (get)\n"); + close(f); + free(vcd); + m_struct_free(&stream_opts,opts); + return STREAM_ERROR; + } + ret=vcd_seek_to_track(vcd,p->track); + if(ret<0){ + mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_ErrTrackSelect " (seek)\n"); + close(f); + free(vcd); + m_struct_free(&stream_opts,opts); + return STREAM_ERROR; + } + mp_msg(MSGT_OPEN,MSGL_V,"VCD start byte position: 0x%X end: 0x%X\n",ret,ret2); + +#ifdef __FreeBSD__ + if (ioctl (f, CDRIOCSETBLOCKSIZE, &bsize) == -1) { + mp_msg(MSGT_OPEN,MSGL_WARN,"Error in CDRIOCSETBLOCKSIZE"); + } +#endif + + stream->fd = f; + stream->type = STREAMTYPE_VCD; + stream->sector_size = VCD_SECTOR_DATA; + stream->start_pos=ret; + stream->end_pos=ret2; + stream->priv = vcd; + + stream->fill_buffer = fill_buffer; + stream->seek = seek; + stream->close = close_s; + + m_struct_free(&stream_opts,opts); + return STREAM_OK; +} + +stream_info_t stream_info_vcd = { + "Video CD", + "vcd", + "Albeu", + "based on the code from ???", + open_s, + { "vcd", NULL }, + &stream_opts, + 1 // Urls are an option string +}; |