FFmpeg
Data Structures | Macros | Functions | Variables
prosumer.c File Reference
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mem.h"
#include "avcodec.h"
#include "bytestream.h"
#include "codec_internal.h"
#include "decode.h"

Go to the source code of this file.

Data Structures

struct  ProSumerContext
 

Macros

#define PAIR(high, low)   (((uint64_t)(high) << 32) | low)
 
#define TB(i)   (1 + ((i) > 10) + ((i) > 49))
 

Functions

static int decompress (GetByteContext *gb, int size, PutByteContext *pb, const uint32_t *lut)
 
static void vertical_predict (uint32_t *dst, int offset, const uint32_t *src, int stride, int height)
 
static int decode_frame (AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *avpkt)
 
static void fill_elements (uint32_t idx, uint32_t shift, uint32_t *e0, uint32_t *e1)
 
static void fill_lut (uint32_t *lut)
 
static av_cold int decode_init (AVCodecContext *avctx)
 
static av_cold int decode_close (AVCodecContext *avctx)
 

Variables

static const uint16_t table []
 
const FFCodec ff_prosumer_decoder
 

Macro Definition Documentation

◆ PAIR

#define PAIR (   high,
  low 
)    (((uint64_t)(high) << 32) | low)

Definition at line 46 of file prosumer.c.

◆ TB

#define TB (   i)    (1 + ((i) > 10) + ((i) > 49))

Definition at line 204 of file prosumer.c.

Function Documentation

◆ decompress()

static int decompress ( GetByteContext gb,
int  size,
PutByteContext pb,
const uint32_t *  lut 
)
static

Definition at line 48 of file prosumer.c.

Referenced by decode_frame().

◆ vertical_predict()

static void vertical_predict ( uint32_t *  dst,
int  offset,
const uint32_t *  src,
int  stride,
int  height 
)
static

Definition at line 132 of file prosumer.c.

Referenced by decode_frame().

◆ decode_frame()

static int decode_frame ( AVCodecContext avctx,
AVFrame frame,
int got_frame,
AVPacket avpkt 
)
static

Definition at line 146 of file prosumer.c.

◆ fill_elements()

static void fill_elements ( uint32_t  idx,
uint32_t  shift,
uint32_t *  e0,
uint32_t *  e1 
)
static

Definition at line 281 of file prosumer.c.

Referenced by fill_lut().

◆ fill_lut()

static void fill_lut ( uint32_t *  lut)
static

Definition at line 307 of file prosumer.c.

Referenced by decode_init().

◆ decode_init()

static av_cold int decode_init ( AVCodecContext avctx)
static

Definition at line 337 of file prosumer.c.

◆ decode_close()

static av_cold int decode_close ( AVCodecContext avctx)
static

Definition at line 357 of file prosumer.c.

Variable Documentation

◆ table

const uint16_t table[]
static

Definition at line 205 of file prosumer.c.

Referenced by adpcm_decode_frame(), adpcm_swf_decode(), asv2_get_vlc2(), atrac3_init_static_data(), avs_decode_frame(), bink_init_vlcs(), build_filter(), build_huffman(), build_table(), build_vlc(), dca_vlc_calc_quant_bits(), dca_vlc_enc_quant(), decode_band_numwavs(), decode_channel(), decode_frame(), decode_gainc_levels(), decode_gainc_loc_codes(), decode_gainc_npoints(), decode_group3_1d_line(), decode_group3_2d_line(), decode_init(), decode_residual(), decode_tones_amplitude(), decode_tones_frequency(), decode_tones_info(), delta_decode(), dequant_lsps(), dxv_decompress_opcodes(), encode_block(), ff_generate_wave_table(), ff_init_2d_vlc_rl(), ff_init_gamma_convert(), ff_mpa_l2_select_table(), ff_qp_table_extract(), ff_rl_init_vlc(), ff_wma_init(), fft_lut_init(), fill_elements(), fill_gv_table(), fill_ltable(), fill_lut(), fill_rgb2yuv_table(), fill_table(), free_lut(), gainc_level_mode1m(), gamma_convert(), get_opcodes(), get_qtable(), get_vlc2(), id3v2_check_write_tag(), idx_to_quant(), in_table_int16(), init_ptable(), init_vlcs(), ir2_decode_plane(), ir2_decode_plane_inter(), mov_read_sbgp(), mp_decode_layer2(), MPA_encode_init(), mpc8_decode_frame(), qdmc_get_vlc(), quantize(), read_argb_line(), read_huff_channels(), read_quant_spectral_coeffs(), read_table(), rv10_init_static(), rv34_decode_cbp(), rv40_decode_intra_types(), rv40_decode_mb_info(), sbr_env_estimate(), sbr_mapping(), scale_frame(), scd_read_table(), set_idx(), smk_get_code(), smka_decode_frame(), svq1_decode_block_intra(), svq1_decode_block_non_intra(), svq1_static_init(), sws_getColorspaceDetails(), sws_setColorspaceDetails(), tscc2_decode_mb(), unpack_vlcs(), uri_table_destroy(), uri_table_init(), uri_table_map(), uri_table_unmap(), vc1_decode_ac_coeff(), vp4_get_mv(), x8_init_vlc(), and xan_decode_chroma().

◆ ff_prosumer_decoder

const FFCodec ff_prosumer_decoder
Initial value:
= {
.p.name = "prosumer",
CODEC_LONG_NAME("Brooktree ProSumer Video"),
.p.type = AVMEDIA_TYPE_VIDEO,
.priv_data_size = sizeof(ProSumerContext),
.close = decode_close,
.p.capabilities = AV_CODEC_CAP_DR1,
.caps_internal = FF_CODEC_CAP_INIT_CLEANUP,
}

Definition at line 367 of file prosumer.c.

FF_CODEC_CAP_INIT_CLEANUP
#define FF_CODEC_CAP_INIT_CLEANUP
The codec allows calling the close function for deallocation even if the init function returned a fai...
Definition: codec_internal.h:42
decode_frame
static int decode_frame(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *avpkt)
Definition: prosumer.c:146
init
static int init
Definition: av_tx.c:47
ProSumerContext
Definition: prosumer.c:35
FF_CODEC_DECODE_CB
#define FF_CODEC_DECODE_CB(func)
Definition: codec_internal.h:279
CODEC_LONG_NAME
#define CODEC_LONG_NAME(str)
Definition: codec_internal.h:264
AV_CODEC_CAP_DR1
#define AV_CODEC_CAP_DR1
Codec uses get_buffer() or get_encode_buffer() for allocating buffers and supports custom allocators.
Definition: codec.h:52
decode_close
static av_cold int decode_close(AVCodecContext *avctx)
Definition: prosumer.c:357
decode_init
static av_cold int decode_init(AVCodecContext *avctx)
Definition: prosumer.c:337
AV_CODEC_ID_PROSUMER
@ AV_CODEC_ID_PROSUMER
Definition: codec_id.h:291
AVMEDIA_TYPE_VIDEO
@ AVMEDIA_TYPE_VIDEO
Definition: avutil.h:201