#include "internal.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mpegvideo.h"
#include "libavutil/avassert.h"
#include "libavutil/timecode.h"
#include "mpeg12.h"
#include "mpeg12data.h"
#include "mpeg12decdata.h"
#include "bytestream.h"
#include "vdpau_internal.h"
#include "xvmc_internal.h"
#include "thread.h"
Go to the source code of this file.
Definition in file mpeg12.c.
| #define DECODE_SLICE_ERROR -1 |
| #define DECODE_SLICE_OK 0 |
| #define INIT_2D_VLC_RL | ( | rl, | |||
| static_size | ) |
Value:
{\
static RL_VLC_ELEM rl_vlc_table[static_size];\
INIT_VLC_STATIC(&rl.vlc, TEX_VLC_BITS, rl.n + 2,\
&rl.table_vlc[0][1], 4, 2,\
&rl.table_vlc[0][0], 4, 2, static_size);\
\
rl.rl_vlc[0] = rl_vlc_table;\
init_2d_vlc_rl(&rl);\
}
Definition at line 611 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs().
| #define MB_BTYPE_VLC_BITS 6 |
| #define MB_PAT_VLC_BITS 9 |
| #define MB_PTYPE_VLC_BITS 6 |
| #define MBINCR_VLC_BITS 9 |
Definition at line 48 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and mpeg_decode_slice().
| #define MT_DMV 3 |
| #define MT_FIELD 1 |
| #define MT_FRAME 2 |
| static void exchange_uv | ( | MpegEncContext * | s | ) | [static] |
| void ff_mpeg12_common_init | ( | MpegEncContext * | s | ) |
Definition at line 655 of file mpeg12.c.
Referenced by ff_mpeg1_encode_init(), and mpeg_decode_init().
| av_cold void ff_mpeg12_init_vlcs | ( | void | ) |
Definition at line 683 of file mpeg12.c.
Referenced by decode_init(), mpeg_decode_init(), and tqi_decode_init().
| void ff_mpeg1_clean_buffers | ( | MpegEncContext * | s | ) |
| int ff_mpeg1_decode_block_intra | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) |
| int ff_mpeg1_find_frame_end | ( | ParseContext * | pc, | |
| const uint8_t * | buf, | |||
| int | buf_size, | |||
| AVCodecParserContext * | s | |||
| ) |
Find the end of the current frame in the bitstream.
Definition at line 2183 of file mpeg12.c.
Referenced by mpeg_decode_frame(), and mpegvideo_parse().
| static void flush | ( | AVCodecContext * | avctx | ) | [static] |
| static int get_dmv | ( | MpegEncContext * | s | ) | [inline, static] |
| static int get_qscale | ( | MpegEncContext * | s | ) | [inline, static] |
Definition at line 728 of file mpeg12.c.
Referenced by ff_rate_control_init(), ff_rate_estimate_qscale(), init_pass2(), mpeg_decode_mb(), and mpeg_decode_slice().
| static int load_matrix | ( | MpegEncContext * | s, | |
| uint16_t | matrix0[64], | |||
| uint16_t | matrix1[64], | |||
| int | intra | |||
| ) | [static] |
| static int mpeg1_decode_block_inter | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) | [inline, static] |
| static int mpeg1_decode_block_intra | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) | [inline, static] |
Definition at line 84 of file mpeg12.c.
Referenced by ff_mpeg1_decode_block_intra(), and mpeg_decode_mb().
| static int mpeg1_decode_picture | ( | AVCodecContext * | avctx, | |
| const uint8_t * | buf, | |||
| int | buf_size | |||
| ) | [static] |
| static int mpeg1_decode_sequence | ( | AVCodecContext * | avctx, | |
| const uint8_t * | buf, | |||
| int | buf_size | |||
| ) | [static] |
| static int mpeg1_fast_decode_block_inter | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) | [inline, static] |
Note: this function can read out of range and crash for corrupt streams.
Changing this would eat up any speed benefits it has. Do not use "fast" flag if you need the code to be robust.
Definition at line 240 of file mpeg12.c.
Referenced by mpeg_decode_mb().
| static int mpeg2_decode_block_intra | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) | [inline, static] |
| static int mpeg2_decode_block_non_intra | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) | [inline, static] |
| static int mpeg2_fast_decode_block_intra | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) | [inline, static] |
Note: this function can read out of range and crash for corrupt streams.
Changing this would eat up any speed benefits it has. Do not use "fast" flag if you need the code to be robust.
Definition at line 541 of file mpeg12.c.
Referenced by mpeg_decode_mb().
| static int mpeg2_fast_decode_block_non_intra | ( | MpegEncContext * | s, | |
| DCTELEM * | block, | |||
| int | n | |||
| ) | [inline, static] |
Note: this function can read out of range and crash for corrupt streams.
Changing this would eat up any speed benefits it has. Do not use "fast" flag if you need the code to be robust.
Definition at line 396 of file mpeg12.c.
Referenced by mpeg_decode_mb().
| static int mpeg_decode_end | ( | AVCodecContext * | avctx | ) | [static] |
| static int mpeg_decode_frame | ( | AVCodecContext * | avctx, | |
| void * | data, | |||
| int * | data_size, | |||
| AVPacket * | avpkt | |||
| ) | [static] |
| static void mpeg_decode_gop | ( | AVCodecContext * | avctx, | |
| const uint8_t * | buf, | |||
| int | buf_size | |||
| ) | [static] |
| static av_cold int mpeg_decode_init | ( | AVCodecContext * | avctx | ) | [static] |
| static int mpeg_decode_mb | ( | MpegEncContext * | s, | |
| DCTELEM | block[12][64] | |||
| ) | [static] |
| static int mpeg_decode_motion | ( | MpegEncContext * | s, | |
| int | fcode, | |||
| int | pred | |||
| ) | [static] |
| static void mpeg_decode_picture_coding_extension | ( | Mpeg1Context * | s1 | ) | [static] |
| static void mpeg_decode_picture_display_extension | ( | Mpeg1Context * | s1 | ) | [static] |
| static int mpeg_decode_postinit | ( | AVCodecContext * | avctx | ) | [static] |
| static void mpeg_decode_quant_matrix_extension | ( | MpegEncContext * | s | ) | [static] |
| static void mpeg_decode_sequence_display_extension | ( | Mpeg1Context * | s1 | ) | [static] |
| static void mpeg_decode_sequence_extension | ( | Mpeg1Context * | s1 | ) | [static] |
| static int mpeg_decode_slice | ( | MpegEncContext * | s, | |
| int | mb_y, | |||
| const uint8_t ** | buf, | |||
| int | buf_size | |||
| ) | [static] |
Decode a slice.
MpegEncContext.mb_y must be set to the MB row from the startcode.
Definition at line 1665 of file mpeg12.c.
Referenced by decode_chunks(), and slice_decode_thread().
| static int mpeg_decode_update_thread_context | ( | AVCodecContext * | avctx, | |
| const AVCodecContext * | avctx_from | |||
| ) | [static] |
| static void mpeg_decode_user_data | ( | AVCodecContext * | avctx, | |
| const uint8_t * | p, | |||
| int | buf_size | |||
| ) | [static] |
| static int mpeg_field_start | ( | MpegEncContext * | s, | |
| const uint8_t * | buf, | |||
| int | buf_size | |||
| ) | [static] |
| static enum PixelFormat mpeg_get_pixelformat | ( | AVCodecContext * | avctx | ) | [static] |
| static int slice_decode_thread | ( | AVCodecContext * | c, | |
| void * | arg | |||
| ) | [static] |
| static int slice_end | ( | AVCodecContext * | avctx, | |
| AVFrame * | pict | |||
| ) | [static] |
Handle slice ends.
Definition at line 1934 of file mpeg12.c.
Referenced by decode_chunks(), and decode_frame().
| static int uses_vdpau | ( | AVCodecContext * | avctx | ) | [inline, static] |
| static int vcr2_init_sequence | ( | AVCodecContext * | avctx | ) | [static] |
| uint8_t ff_mpeg12_static_rl_table_store[2][2][2 *MAX_RUN+MAX_LEVEL+3] |
Definition at line 609 of file mpeg12.c.
Referenced by ff_mpeg12_init_vlcs(), and ff_mpeg1_encode_init().
Initial value:
{
.name = "mpeg1video",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG1VIDEO,
.priv_data_size = sizeof(Mpeg1Context),
.init = mpeg_decode_init,
.close = mpeg_decode_end,
.decode = mpeg_decode_frame,
.capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 |
CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
CODEC_CAP_SLICE_THREADS,
.flush = flush,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
.update_thread_context = ONLY_IF_THREADS_ENABLED(mpeg_decode_update_thread_context)
}
Initial value:
{
.name = "mpeg2video",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG2VIDEO,
.priv_data_size = sizeof(Mpeg1Context),
.init = mpeg_decode_init,
.close = mpeg_decode_end,
.decode = mpeg_decode_frame,
.capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 |
CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
CODEC_CAP_SLICE_THREADS,
.flush = flush,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video"),
.profiles = NULL_IF_CONFIG_SMALL(mpeg2_video_profiles),
}
Initial value:
{
.name = "mpegvideo",
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_MPEG2VIDEO,
.priv_data_size = sizeof(Mpeg1Context),
.init = mpeg_decode_init,
.close = mpeg_decode_end,
.decode = mpeg_decode_frame,
.capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
.flush = flush,
.max_lowres = 3,
.long_name = NULL_IF_CONFIG_SMALL("MPEG-1 video"),
}
VLC mb_btype_vlc [static] |
VLC mb_pat_vlc [static] |
VLC mb_ptype_vlc [static] |
VLC mbincr_vlc [static] |
enum PixelFormat mpeg1_hwaccel_pixfmt_list_420[] [static] |
enum PixelFormat mpeg2_hwaccel_pixfmt_list_420[] [static] |
const AVProfile mpeg2_video_profiles[] [static] |
Initial value:
{
{ FF_PROFILE_MPEG2_422, "4:2:2" },
{ FF_PROFILE_MPEG2_HIGH, "High" },
{ FF_PROFILE_MPEG2_SS, "Spatially Scalable" },
{ FF_PROFILE_MPEG2_SNR_SCALABLE, "SNR Scalable" },
{ FF_PROFILE_MPEG2_MAIN, "Main" },
{ FF_PROFILE_MPEG2_SIMPLE, "Simple" },
{ FF_PROFILE_RESERVED, "Reserved" },
{ FF_PROFILE_RESERVED, "Reserved" },
{ FF_PROFILE_UNKNOWN },
}
1.5.8