X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=include%2Fvlc_es.h;h=d020d134ac7442f0568b5a67edc70b2220190c6e;hb=6903d514d3ea8113f91b1bedde862607f7efc92a;hp=b204c07612e959c948f0ac625716d9a0a8998a23;hpb=3439df81011c06ba3c10b6aaf649732298f94622;p=vlc diff --git a/include/vlc_es.h b/include/vlc_es.h index b204c07612..d020d134ac 100644 --- a/include/vlc_es.h +++ b/include/vlc_es.h @@ -1,8 +1,8 @@ /***************************************************************************** - * 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 * @@ -18,35 +18,73 @@ * * 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 : @@ -54,13 +92,22 @@ struct audio_format_t */ /* 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 { @@ -76,32 +123,66 @@ 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 */ @@ -109,15 +190,21 @@ struct es_format_t -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; @@ -135,35 +222,96 @@ static inline void es_format_Init( es_format_t *fmt, { 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