1 files changed, 195 insertions, 0 deletions

diff --git a/apps/plugins/mpegplayer/mpeg2.h b/apps/plugins/mpegplayer/mpeg2.h
new file mode 100644
index 0000000000..6062f93010
--- /dev/null
+++ b/apps/plugins/mpegplayer/mpeg2.h
@@ -0,0 +1,195 @@
+/*
+ * mpeg2.h
+ * Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
+ * Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
+ *
+ * This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
+ * See http://libmpeg2.sourceforge.net/ for updates.
+ *
+ * mpeg2dec is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * mpeg2dec is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * 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  02111-1307  USA
+ */
+
+#ifndef MPEG2_H
+#define MPEG2_H
+
+#define MPEG2_VERSION(a,b,c) (((a)<<16)|((b)<<8)|(c))
+#define MPEG2_RELEASE MPEG2_VERSION (0, 4, 0)   /* 0.4.0 */
+
+#define SEQ_FLAG_MPEG2 1
+#define SEQ_FLAG_CONSTRAINED_PARAMETERS 2
+#define SEQ_FLAG_PROGRESSIVE_SEQUENCE 4
+#define SEQ_FLAG_LOW_DELAY 8
+#define SEQ_FLAG_COLOUR_DESCRIPTION 16
+
+#define SEQ_MASK_VIDEO_FORMAT 0xe0
+#define SEQ_VIDEO_FORMAT_COMPONENT 0
+#define SEQ_VIDEO_FORMAT_PAL 0x20
+#define SEQ_VIDEO_FORMAT_NTSC 0x40
+#define SEQ_VIDEO_FORMAT_SECAM 0x60
+#define SEQ_VIDEO_FORMAT_MAC 0x80
+#define SEQ_VIDEO_FORMAT_UNSPECIFIED 0xa0
+
+typedef struct mpeg2_sequence_s {
+    unsigned int width, height;
+    unsigned int chroma_width, chroma_height;
+    unsigned int byte_rate;
+    unsigned int vbv_buffer_size;
+    uint32_t flags;
+
+    unsigned int picture_width, picture_height;
+    unsigned int display_width, display_height;
+    unsigned int pixel_width, pixel_height;
+    unsigned int frame_period;
+
+    uint8_t profile_level_id;
+    uint8_t colour_primaries;
+    uint8_t transfer_characteristics;
+    uint8_t matrix_coefficients;
+} mpeg2_sequence_t;
+
+#define GOP_FLAG_DROP_FRAME 1
+#define GOP_FLAG_BROKEN_LINK 2
+#define GOP_FLAG_CLOSED_GOP 4
+
+typedef struct mpeg2_gop_s {
+    uint8_t hours;
+    uint8_t minutes;
+    uint8_t seconds;
+    uint8_t pictures;
+    uint32_t flags;
+} mpeg2_gop_t;
+
+#define PIC_MASK_CODING_TYPE 7
+#define PIC_FLAG_CODING_TYPE_I 1
+#define PIC_FLAG_CODING_TYPE_P 2
+#define PIC_FLAG_CODING_TYPE_B 3
+#define PIC_FLAG_CODING_TYPE_D 4
+
+#define PIC_FLAG_TOP_FIELD_FIRST 8
+#define PIC_FLAG_PROGRESSIVE_FRAME 16
+#define PIC_FLAG_COMPOSITE_DISPLAY 32
+#define PIC_FLAG_SKIP 64
+#define PIC_FLAG_TAGS 128
+#define PIC_MASK_COMPOSITE_DISPLAY 0xfffff000
+
+typedef struct mpeg2_picture_s {
+    unsigned int temporal_reference;
+    unsigned int nb_fields;
+    uint32_t tag, tag2;
+    uint32_t flags;
+    struct {
+        int x, y;
+    } display_offset[3];
+} mpeg2_picture_t;
+
+typedef struct mpeg2_fbuf_s {
+    uint8_t * buf[3];
+    void * id;
+} mpeg2_fbuf_t;
+
+typedef struct mpeg2_info_s {
+    const mpeg2_sequence_t * sequence;
+    const mpeg2_gop_t * gop;
+    const mpeg2_picture_t * current_picture;
+    const mpeg2_picture_t * current_picture_2nd;
+    const mpeg2_fbuf_t * current_fbuf;
+    const mpeg2_picture_t * display_picture;
+    const mpeg2_picture_t * display_picture_2nd;
+    const mpeg2_fbuf_t * display_fbuf;
+    const mpeg2_fbuf_t * discard_fbuf;
+    const uint8_t * user_data;
+    unsigned int user_data_len;
+} mpeg2_info_t;
+
+typedef struct mpeg2dec_s mpeg2dec_t;
+typedef struct mpeg2_decoder_s mpeg2_decoder_t;
+
+typedef enum {
+    STATE_BUFFER = 0,
+    STATE_SEQUENCE = 1,
+    STATE_SEQUENCE_REPEATED = 2,
+    STATE_GOP = 3,
+    STATE_PICTURE = 4,
+    STATE_SLICE_1ST = 5,
+    STATE_PICTURE_2ND = 6,
+    STATE_SLICE = 7,
+    STATE_END = 8,
+    STATE_INVALID = 9,
+    STATE_INVALID_END = 10
+} mpeg2_state_t;
+
+typedef struct mpeg2_convert_init_s {
+    unsigned int id_size;
+    unsigned int buf_size[3];
+    void (* start) (void * id, const mpeg2_fbuf_t * fbuf,
+                    const mpeg2_picture_t * picture, const mpeg2_gop_t * gop);
+    void (* copy) (void * id, uint8_t * const * src, unsigned int v_offset);
+} mpeg2_convert_init_t;
+typedef enum {
+    MPEG2_CONVERT_SET = 0,
+    MPEG2_CONVERT_STRIDE = 1,
+    MPEG2_CONVERT_START = 2
+} mpeg2_convert_stage_t;
+typedef int mpeg2_convert_t (int stage, void * id,
+                             const mpeg2_sequence_t * sequence, int stride,
+                             uint32_t accel, void * arg,
+                             mpeg2_convert_init_t * result);
+int mpeg2_convert (mpeg2dec_t * mpeg2dec, mpeg2_convert_t convert, void * arg);
+int mpeg2_stride (mpeg2dec_t * mpeg2dec, int stride);
+void mpeg2_set_buf (mpeg2dec_t * mpeg2dec, uint8_t * buf[3], void * id);
+void mpeg2_custom_fbuf (mpeg2dec_t * mpeg2dec, int custom_fbuf);
+
+#define MPEG2_ACCEL_X86_MMX 1
+#define MPEG2_ACCEL_X86_3DNOW 2
+#define MPEG2_ACCEL_X86_MMXEXT 4
+#define MPEG2_ACCEL_PPC_ALTIVEC 1
+#define MPEG2_ACCEL_ALPHA 1
+#define MPEG2_ACCEL_ALPHA_MVI 2
+#define MPEG2_ACCEL_SPARC_VIS 1
+#define MPEG2_ACCEL_SPARC_VIS2 2
+#define MPEG2_ACCEL_DETECT 0x80000000
+
+uint32_t mpeg2_accel (uint32_t accel);
+mpeg2dec_t * mpeg2_init (void);
+const mpeg2_info_t * mpeg2_info (mpeg2dec_t * mpeg2dec);
+void mpeg2_close (mpeg2dec_t * mpeg2dec);
+
+void mpeg2_buffer (mpeg2dec_t * mpeg2dec, uint8_t * start, uint8_t * end);
+int mpeg2_getpos (mpeg2dec_t * mpeg2dec);
+mpeg2_state_t mpeg2_parse (mpeg2dec_t * mpeg2dec);
+
+void mpeg2_reset (mpeg2dec_t * mpeg2dec, int full_reset);
+void mpeg2_skip (mpeg2dec_t * mpeg2dec, int skip);
+void mpeg2_slice_region (mpeg2dec_t * mpeg2dec, int start, int end);
+
+void mpeg2_tag_picture (mpeg2dec_t * mpeg2dec, uint32_t tag, uint32_t tag2);
+
+void mpeg2_init_fbuf (mpeg2_decoder_t * decoder, uint8_t * current_fbuf[3],
+                      uint8_t * forward_fbuf[3], uint8_t * backward_fbuf[3]);
+void mpeg2_slice (mpeg2_decoder_t * decoder, int code, const uint8_t * buffer);
+
+typedef enum {
+    MPEG2_ALLOC_MPEG2DEC = 0,
+    MPEG2_ALLOC_CHUNK = 1,
+    MPEG2_ALLOC_YUV = 2,
+    MPEG2_ALLOC_CONVERT_ID = 3,
+    MPEG2_ALLOC_CONVERTED = 4
+} mpeg2_alloc_t;
+
+void * mpeg2_malloc (unsigned size, mpeg2_alloc_t reason);
+void mpeg2_free (void * buf);
+void mpeg2_alloc_init(unsigned char* buf, int mallocsize);
+
+#endif /* MPEG2_H */