drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.c

171

int rkvdec_h264_adjust_fmt(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.c

183

enum rkvdec_image_fmt rkvdec_h264_get_image_fmt(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.c

206

int rkvdec_h264_validate_sps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.c

239

void rkvdec_h264_run_preamble(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.c

69

void lookup_ref_buf_idx(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.h

75

void lookup_ref_buf_idx(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run);

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.h

82

int rkvdec_h264_adjust_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f);

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.h

83

enum rkvdec_image_fmt rkvdec_h264_get_image_fmt(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl);

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.h

84

int rkvdec_h264_validate_sps(struct rkvdec_ctx *ctx, const struct v4l2_ctrl_h264_sps *sps);

drivers/media/platform/rockchip/rkvdec/rkvdec-h264-common.h

85

void rkvdec_h264_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_h264_run *run);

drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c

108

static void assemble_hw_pps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c

248

static void config_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c

361

static int rkvdec_h264_start(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c

402

static void rkvdec_h264_stop(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c

412

static int rkvdec_h264_run(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-h264.c

450

static int rkvdec_h264_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl)

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c

143

static void assemble_scalingfactor0(struct rkvdec_ctx *ctx, u8 *output,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c

187

static void translate_scaling_list(struct rkvdec_ctx *ctx, struct scaling_factor *output,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c

196

void rkvdec_hevc_assemble_hw_scaling_list(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c

419

get_ref_buf(struct rkvdec_ctx *ctx, struct rkvdec_hevc_run *run,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c

443

int rkvdec_hevc_adjust_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f)

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c

454

enum rkvdec_image_fmt rkvdec_hevc_get_image_fmt(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.c

477

void rkvdec_hevc_run_preamble(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h

102

struct vb2_buffer *get_ref_buf(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h

105

int rkvdec_hevc_adjust_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f);

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h

106

enum rkvdec_image_fmt rkvdec_hevc_get_image_fmt(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl);

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h

107

void rkvdec_hevc_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_hevc_run *run);

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc-common.h

98

void rkvdec_hevc_assemble_hw_scaling_list(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

140

static void assemble_hw_pps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

311

static void assemble_sw_rps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

402

static void config_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

505

static int rkvdec_hevc_validate_sps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

525

static int rkvdec_hevc_start(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

551

static void rkvdec_hevc_stop(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

561

static int rkvdec_hevc_run(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-hevc.c

597

static int rkvdec_hevc_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl)

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.c

28

dma_addr_t rkvdec_rcb_buf_dma_addr(struct rkvdec_ctx *ctx, int id)

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.c

33

size_t rkvdec_rcb_buf_size(struct rkvdec_ctx *ctx, int id)

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.c

38

int rkvdec_rcb_buf_count(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.c

43

void rkvdec_free_rcb(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.c

82

int rkvdec_allocate_rcb(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.h

11

struct rkvdec_ctx;

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.h

23

int rkvdec_allocate_rcb(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.h

26

dma_addr_t rkvdec_rcb_buf_dma_addr(struct rkvdec_ctx *ctx, int id);

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.h

27

size_t rkvdec_rcb_buf_size(struct rkvdec_ctx *ctx, int id);

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.h

28

int rkvdec_rcb_buf_count(struct rkvdec_ctx *ctx);

drivers/media/platform/rockchip/rkvdec/rkvdec-rcb.h

29

void rkvdec_free_rcb(struct rkvdec_ctx *ctx);

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-h264.c

186

static void rkvdec_write_regs(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-h264.c

208

static void config_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-h264.c

369

static int rkvdec_h264_start(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-h264.c

410

static void rkvdec_h264_stop(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-h264.c

420

static int rkvdec_h264_run(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-h264.c

454

static int rkvdec_h264_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-h264.c

86

static void assemble_hw_pps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

124

static void assemble_hw_pps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

357

static void rkvdec_write_regs(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

379

static void config_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

515

static int rkvdec_hevc_validate_sps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

537

static int rkvdec_hevc_start(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

578

static void rkvdec_hevc_stop(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

588

static int rkvdec_hevc_run(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu381-hevc.c

624

static int rkvdec_hevc_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c

194

static void assemble_hw_pps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c

292

static void rkvdec_write_regs(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c

311

static void config_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c

437

static int rkvdec_h264_start(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c

479

static void rkvdec_h264_stop(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c

489

static int rkvdec_h264_run(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-h264.c

527

static int rkvdec_h264_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

219

static void assemble_hw_pps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

382

static void rkvdec_write_regs(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

401

static void config_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

523

static int rkvdec_hevc_validate_sps(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

545

static int rkvdec_hevc_start(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

586

static void rkvdec_hevc_stop(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

596

static int rkvdec_hevc_run(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vdpu383-hevc.c

637

static int rkvdec_hevc_try_ctrl(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl)

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

1014

static void rkvdec_vp9_stop(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

1026

static int rkvdec_vp9_adjust_fmt(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

190

static void init_intra_only_probs(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

240

static void init_inter_probs(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

311

static void init_probs(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

352

get_ref_buf(struct rkvdec_ctx *ctx, struct vb2_v4l2_buffer *dst, u64 timestamp)

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

381

static void config_ref_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

411

static void config_seg_registers(struct rkvdec_ctx *ctx, unsigned int segid)

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

475

static void config_registers(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

664

static int validate_dec_params(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

695

static int rkvdec_vp9_run_preamble(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

769

static int rkvdec_vp9_run(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

813

static void rkvdec_vp9_done(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

897

rkvdec_init_v4l2_vp9_count_tbl(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec-vp9.c

967

static int rkvdec_vp9_start(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

101

static void rkvdec_fill_decoded_pixfmt(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1011

struct rkvdec_ctx *ctx = vb2_get_drv_priv(vq);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1032

struct rkvdec_ctx *ctx = vb2_get_drv_priv(q);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1077

static void rkvdec_job_finish_no_pm(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1092

static void rkvdec_job_finish(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1101

void rkvdec_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1118

void rkvdec_run_postamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1126

void rkvdec_quirks_disable_qos(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

113

static void rkvdec_reset_fmt(struct rkvdec_ctx *ctx, struct v4l2_format *f,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1163

struct rkvdec_ctx *ctx = priv;

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1190

struct rkvdec_ctx *ctx = priv;

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1234

static int rkvdec_add_ctrls(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

125

static void rkvdec_reset_decoded_fmt(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1250

static int rkvdec_init_ctrls(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1282

struct rkvdec_ctx *ctx;

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1319

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(filp);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

140

struct rkvdec_ctx *ctx = container_of(ctrl->handler, struct rkvdec_ctx, ctrl_hdl);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1437

static irqreturn_t rk3399_irq_handler(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1460

static irqreturn_t vdpu381_irq_handler(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1489

static irqreturn_t vdpu383_irq_handler(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

151

struct rkvdec_ctx *ctx = container_of(ctrl->handler, struct rkvdec_ctx, ctrl_hdl);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1521

struct rkvdec_ctx *ctx = v4l2_m2m_get_curr_priv(rkvdec->m2m_dev);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

1602

struct rkvdec_ctx *ctx;

drivers/media/platform/rockchip/rkvdec/rkvdec.c

44

static bool rkvdec_image_fmt_changed(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

53

static u32 rkvdec_enum_decoded_fmt(struct rkvdec_ctx *ctx, int index,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

584

rkvdec_enum_coded_fmt_desc(struct rkvdec_ctx *ctx, int index)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

600

rkvdec_find_coded_fmt_desc(struct rkvdec_ctx *ctx, u32 fourcc)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

613

static void rkvdec_reset_coded_fmt(struct rkvdec_ctx *ctx)

drivers/media/platform/rockchip/rkvdec/rkvdec.c

631

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

670

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

703

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

734

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

75

static bool rkvdec_is_valid_fmt(struct rkvdec_ctx *ctx, u32 fourcc,

drivers/media/platform/rockchip/rkvdec/rkvdec.c

755

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

820

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

829

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

838

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

852

struct rkvdec_ctx *ctx = file_to_rkvdec_ctx(file);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

898

struct rkvdec_ctx *ctx = vb2_get_drv_priv(vq);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

927

struct rkvdec_ctx *ctx = vb2_get_drv_priv(vq);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

956

struct rkvdec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

972

struct rkvdec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);

drivers/media/platform/rockchip/rkvdec/rkvdec.c

979

struct rkvdec_ctx *ctx = vb2_get_drv_priv(q);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

100

int (*try_ctrl)(struct rkvdec_ctx *ctx, struct v4l2_ctrl *ctrl);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

101

enum rkvdec_image_fmt (*get_image_fmt)(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec.h

162

static inline struct rkvdec_ctx *file_to_rkvdec_ctx(struct file *filp)

drivers/media/platform/rockchip/rkvdec/rkvdec.h

164

return container_of(file_to_v4l2_fh(filp), struct rkvdec_ctx, fh);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

179

void rkvdec_run_preamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

180

void rkvdec_run_postamble(struct rkvdec_ctx *ctx, struct rkvdec_run *run);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

184

void rkvdec_quirks_disable_qos(struct rkvdec_ctx *ctx);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

32

struct rkvdec_ctx;

drivers/media/platform/rockchip/rkvdec/rkvdec.h

75

irqreturn_t (*irq_handler)(struct rkvdec_ctx *ctx);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

92

int (*adjust_fmt)(struct rkvdec_ctx *ctx,

drivers/media/platform/rockchip/rkvdec/rkvdec.h

94

int (*start)(struct rkvdec_ctx *ctx);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

95

void (*stop)(struct rkvdec_ctx *ctx);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

96

int (*run)(struct rkvdec_ctx *ctx);

drivers/media/platform/rockchip/rkvdec/rkvdec.h

97

void (*done)(struct rkvdec_ctx *ctx, struct vb2_v4l2_buffer *src_buf,