/*****************************************************************************
- * vlc_es.h
+ * vlc_es.h: Elementary stream formats descriptions
*****************************************************************************
- * Copyright (C) 1999-2001 VideoLAN
- * $Id: vlc_es.h,v 1.4 2003/11/24 00:39:00 fenrir Exp $
+ * Copyright (C) 1999-2001 the VideoLAN team
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef _VLC_ES_H
#define _VLC_ES_H 1
+/* FIXME: i'm not too sure about this include but it fixes compilation of
+ * video chromas -- dionoea */
+#include "vlc_common.h"
+
/**
- * Description of a audio frame
+ * \file
+ * This file defines the elementary streams format types
*/
-struct audio_format_t
+
+/**
+ * video palette data
+ * \see video_format_t
+ * \see subs_format_t
+ */
+struct video_palette_t
+{
+ int i_entries; /**< to keep the compatibility with ffmpeg's palette */
+ uint8_t palette[256][4]; /**< 4-byte RGBA/YUVA palette */
+};
+
+/**
+ * audio replay gain description
+ */
+#define AUDIO_REPLAY_GAIN_MAX (2)
+#define AUDIO_REPLAY_GAIN_TRACK (0)
+#define AUDIO_REPLAY_GAIN_ALBUM (1)
+typedef struct
{
- vlc_fourcc_t i_format;
+ /* true if we have the peak value */
+ bool pb_peak[AUDIO_REPLAY_GAIN_MAX];
+ /* peak value where 1.0 means full sample value */
+ float pf_peak[AUDIO_REPLAY_GAIN_MAX];
- unsigned int i_rate;
+ /* true if we have the gain value */
+ bool pb_gain[AUDIO_REPLAY_GAIN_MAX];
+ /* gain value in dB */
+ float pf_gain[AUDIO_REPLAY_GAIN_MAX];
+} audio_replay_gain_t;
+
+/**
+ * audio format description
+ */
+struct audio_format_t
+{
+ vlc_fourcc_t i_format; /**< audio format fourcc */
+ unsigned int i_rate; /**< audio sample-rate */
/* Describes the channels configuration of the samples (ie. number of
* channels which are available in the buffer, and positions). */
- uint32_t i_physical_channels;
+ uint32_t i_physical_channels;
/* Describes from which original channels, before downmixing, the
* buffer is derived. */
- uint32_t i_original_channels;
+ uint32_t i_original_channels;
/* Optional - for A/52, SPDIF and DTS types : */
/* Bytes used by one compressed frame, depends on bitrate. */
- unsigned int i_bytes_per_frame;
+ unsigned int i_bytes_per_frame;
/* Number of sampleframes contained in one compressed frame. */
- unsigned int i_frame_length;
+ unsigned int i_frame_length;
/* Please note that it may be completely arbitrary - buffers are not
* obliged to contain a integral number of so-called "frames". It's
* just here for the division :
*/
/* FIXME ? (used by the codecs) */
- int i_channels;
- int i_blockalign;
- int i_bitspersample;
+ unsigned i_bitspersample;
+ unsigned i_blockalign;
+ uint8_t i_channels; /* must be <=32 */
+ uint8_t i_flavor;
};
+#ifdef WORDS_BIGENDIAN
+# define AUDIO_FMT_S16_NE VLC_FOURCC('s','1','6','b')
+# define AUDIO_FMT_U16_NE VLC_FOURCC('u','1','6','b')
+#else
+# define AUDIO_FMT_S16_NE VLC_FOURCC('s','1','6','l')
+# define AUDIO_FMT_U16_NE VLC_FOURCC('u','1','6','l')
+#endif
+
/**
- * Description of a video frame
+ * video format description
*/
struct video_format_t
{
unsigned int i_bits_per_pixel; /**< number of bits per pixel */
+ unsigned int i_sar_num; /**< sample/pixel aspect ratio */
+ unsigned int i_sar_den;
+
unsigned int i_frame_rate; /**< frame rate numerator */
unsigned int i_frame_rate_base; /**< frame rate denominator */
+
+ int i_rmask, i_gmask, i_bmask; /**< color masks for RGB chroma */
+ int i_rrshift, i_lrshift;
+ int i_rgshift, i_lgshift;
+ int i_rbshift, i_lbshift;
+ video_palette_t *p_palette; /**< video palette from demuxer */
};
/**
- * Description of subs
+ * subtitles format description
*/
struct subs_format_t
{
+ /* the character encoding of the text of the subtitle.
+ * all gettext recognized shorts can be used */
char *psz_encoding;
+
+ int i_x_origin; /**< x coordinate of the subtitle. 0 = left */
+ int i_y_origin; /**< y coordinate of the subtitle. 0 = top */
+
struct
{
- /* FIXME */
+ /* */
uint32_t palette[16+1];
+
+ /* the width of the original movie the spu was extracted from */
+ int i_original_frame_width;
+ /* the height of the original movie the spu was extracted from */
+ int i_original_frame_height;
} spu;
+
+ struct
+ {
+ int i_id;
+ } dvb;
};
/**
* ES definition
*/
+typedef struct extra_languages_t
+{
+ char *psz_language;
+ char *psz_description;
+} extra_languages_t;
+
+
struct es_format_t
{
int i_cat;
vlc_fourcc_t i_codec;
+ int i_id; /* -1: let the core mark the right id
+ >=0: valid id */
int i_group; /* -1 : standalone
>= 0 then a "group" (program) is created
for each value */
-1 : mean not selected by default even
when no other stream
>=0: priority */
+
char *psz_language;
char *psz_description;
+ int i_extra_languages;
+ extra_languages_t *p_extra_languages;
- audio_format_t audio;
+ audio_format_t audio;
+ audio_replay_gain_t audio_replay_gain;
video_format_t video;
subs_format_t subs;
- int i_bitrate;
+ unsigned int i_bitrate;
+ bool b_packetized; /* wether the data is packetized
+ (ie. not truncated) */
int i_extra;
void *p_extra;
{
fmt->i_cat = i_cat;
fmt->i_codec = i_codec;
+ fmt->i_id = -1;
fmt->i_group = 0;
fmt->i_priority = 0;
fmt->psz_language = NULL;
fmt->psz_description = NULL;
+ fmt->i_extra_languages = 0;
+ fmt->p_extra_languages = NULL;
+
memset( &fmt->audio, 0, sizeof(audio_format_t) );
+ memset( &fmt->audio_replay_gain, 0, sizeof(audio_replay_gain_t) );
memset( &fmt->video, 0, sizeof(video_format_t) );
memset( &fmt->subs, 0, sizeof(subs_format_t) );
+ fmt->b_packetized = true;
fmt->i_bitrate = 0;
fmt->i_extra = 0;
fmt->p_extra = NULL;
}
-static inline void es_format_Copy( es_format_t *dst, es_format_t *src )
+static inline int es_format_Copy( es_format_t *dst, const es_format_t *src )
{
+ int i;
memcpy( dst, src, sizeof( es_format_t ) );
+ if( src->psz_language )
+ dst->psz_language = strdup( src->psz_language );
+ if( src->psz_description )
+ dst->psz_description = strdup( src->psz_description );
if( src->i_extra > 0 )
{
+ dst->i_extra = src->i_extra;
dst->p_extra = malloc( src->i_extra );
- memcpy( dst->p_extra, src->p_extra,
- src->i_extra );
+ memcpy( dst->p_extra, src->p_extra, src->i_extra );
}
else
{
dst->i_extra = 0;
dst->p_extra = NULL;
}
+
+ if( src->subs.psz_encoding )
+ dst->subs.psz_encoding = strdup( src->subs.psz_encoding );
+
+ if( src->video.p_palette )
+ {
+ dst->video.p_palette =
+ (video_palette_t*)malloc( sizeof( video_palette_t ) );
+ memcpy( dst->video.p_palette, src->video.p_palette,
+ sizeof( video_palette_t ) );
+ }
+
+ dst->i_extra_languages = src->i_extra_languages;
+ if( dst->i_extra_languages )
+ dst->p_extra_languages = (extra_languages_t*)
+ malloc(dst->i_extra_languages * sizeof(*dst->p_extra_languages ));
+ for( i = 0; i < dst->i_extra_languages; i++ ) {
+ if( src->p_extra_languages[i].psz_language )
+ dst->p_extra_languages[i].psz_language = strdup( src->p_extra_languages[i].psz_language );
+ else
+ dst->p_extra_languages[i].psz_language = NULL;
+ if( src->p_extra_languages[i].psz_description )
+ dst->p_extra_languages[i].psz_description = strdup( src->p_extra_languages[i].psz_description );
+ else
+ dst->p_extra_languages[i].psz_description = NULL;
+ }
+ return VLC_SUCCESS;
}
-#endif
+static inline void es_format_Clean( es_format_t *fmt )
+{
+ free( fmt->psz_language );
+ free( fmt->psz_description );
+
+ if( fmt->i_extra > 0 ) free( fmt->p_extra );
+
+ free( fmt->video.p_palette );
+ free( fmt->subs.psz_encoding );
+ if( fmt->i_extra_languages > 0 && fmt->p_extra_languages )
+ {
+ int i;
+ for( i = 0; i < fmt->i_extra_languages; i++ )
+ {
+ free( fmt->p_extra_languages[i].psz_language );
+ free( fmt->p_extra_languages[i].psz_description );
+ }
+ free( fmt->p_extra_languages );
+ }
+
+ /* es_format_Clean can be called multiple times */
+ memset( fmt, 0, sizeof(*fmt) );
+}
+#endif
projects / vlc / blobdiff