aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec
diff options
context:
space:
mode:
authorAnton Khirnov <anton@khirnov.net>2022-08-23 11:31:07 +0200
committerAnton Khirnov <anton@khirnov.net>2022-09-05 08:08:08 +0200
commit828ec6ef4306d046749817fd6890e11f3289928b (patch)
treebb6874c178b538956597221ffc3acf0903071417 /libavcodec
parent4e73ed836641e85c5efbcb0d42a811645c74ac95 (diff)
downloadffmpeg-828ec6ef4306d046749817fd6890e11f3289928b.tar.gz
lavc/dvenc: stop using DVVideoContext
Move the parts of it used by the encoder into a new DVEncContext and remove DVVideoContext.
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/dv.h23
-rw-r--r--libavcodec/dvenc.c39
2 files changed, 28 insertions, 34 deletions
diff --git a/libavcodec/dv.h b/libavcodec/dv.h
index 6430688795..859a4e6545 100644
--- a/libavcodec/dv.h
+++ b/libavcodec/dv.h
@@ -27,36 +27,13 @@
#ifndef AVCODEC_DV_H
#define AVCODEC_DV_H
-#include "avcodec.h"
#include "dv_profile.h"
-#include "me_cmp.h"
-#include "idctdsp.h"
typedef struct DVwork_chunk {
uint16_t buf_offset;
uint16_t mb_coordinates[5];
} DVwork_chunk;
-typedef struct DVVideoContext {
- AVClass *avclass;
- const AVDVProfile *sys;
- const AVFrame *frame;
- AVCodecContext *avctx;
- uint8_t *buf;
-
- uint8_t dv_zigzag[2][64];
-
- void (*get_pixels)(int16_t *block, const uint8_t *pixels, ptrdiff_t linesize);
- void (*fdct[2])(int16_t *block);
- void (*idct_put[2])(uint8_t *dest, ptrdiff_t stride, int16_t *block);
- me_cmp_func ildct_cmp;
- DVwork_chunk work_chunks[4 * 12 * 27];
- uint32_t idct_factor[2 * 4 * 16 * 64];
- IDCTDSPContext idsp;
-
- int quant_deadzone;
-} DVVideoContext;
-
enum dv_section_type {
dv_sect_header = 0x1f,
dv_sect_subcode = 0x3f,
diff --git a/libavcodec/dvenc.c b/libavcodec/dvenc.c
index 3560d3613f..a4d18ec0ef 100644
--- a/libavcodec/dvenc.c
+++ b/libavcodec/dvenc.c
@@ -47,9 +47,26 @@
#include "pixblockdsp.h"
#include "put_bits.h"
+typedef struct DVEncContext {
+ const AVClass *class;
+ const AVDVProfile *sys;
+ const AVFrame *frame;
+ AVCodecContext *avctx;
+ uint8_t *buf;
+
+ void (*get_pixels)(int16_t *block, const uint8_t *pixels, ptrdiff_t linesize);
+ void (*fdct[2])(int16_t *block);
+
+ me_cmp_func ildct_cmp;
+ DVwork_chunk work_chunks[4 * 12 * 27];
+
+ int quant_deadzone;
+} DVEncContext;
+
+
static av_cold int dvvideo_encode_init(AVCodecContext *avctx)
{
- DVVideoContext *s = avctx->priv_data;
+ DVEncContext *s = avctx->priv_data;
FDCTDSPContext fdsp;
MECmpContext mecc;
PixblockDSPContext pdsp;
@@ -227,7 +244,7 @@ static av_always_inline PutBitContext *dv_encode_ac(EncBlockInfo *bi,
return pb;
}
-static av_always_inline int dv_guess_dct_mode(DVVideoContext *s, const uint8_t *data,
+static av_always_inline int dv_guess_dct_mode(DVEncContext *s, const uint8_t *data,
ptrdiff_t linesize)
{
if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_DCT) {
@@ -375,7 +392,7 @@ static const int dv_weight_720[2][64] = {
2661, 2583, 2509, 2394, 2509, 2260, 2260, 2131, }
};
-static av_always_inline int dv_set_class_number_sd(DVVideoContext *s,
+static av_always_inline int dv_set_class_number_sd(DVEncContext *s,
int16_t *blk, EncBlockInfo *bi,
const uint8_t *zigzag_scan,
const int *weight, int bias)
@@ -459,7 +476,7 @@ static av_always_inline int dv_set_class_number_sd(DVVideoContext *s,
/* this function just copies the DCT coefficients and performs
the initial (non-)quantization. */
-static inline void dv_set_class_number_hd(DVVideoContext *s,
+static inline void dv_set_class_number_hd(DVEncContext *s,
int16_t *blk, EncBlockInfo *bi,
const uint8_t *zigzag_scan,
const int *weight, int bias)
@@ -517,7 +534,7 @@ static inline void dv_set_class_number_hd(DVVideoContext *s,
}
static av_always_inline int dv_init_enc_block(EncBlockInfo* bi, const uint8_t *data, int linesize,
- DVVideoContext *s, int chroma)
+ DVEncContext *s, int chroma)
{
LOCAL_ALIGNED_16(int16_t, blk, [64]);
@@ -854,7 +871,7 @@ static inline void dv_revise_cnos(uint8_t *dif, EncBlockInfo *blk, const AVDVPro
static int dv_encode_video_segment(AVCodecContext *avctx, void *arg)
{
- DVVideoContext *s = avctx->priv_data;
+ DVEncContext *s = avctx->priv_data;
DVwork_chunk *work_chunk = arg;
int mb_index, i, j;
int mb_x, mb_y, c_offset;
@@ -1002,7 +1019,7 @@ static int dv_encode_video_segment(AVCodecContext *avctx, void *arg)
return 0;
}
-static inline int dv_write_pack(enum dv_pack_type pack_id, DVVideoContext *c,
+static inline int dv_write_pack(enum dv_pack_type pack_id, DVEncContext *c,
uint8_t *buf)
{
/*
@@ -1122,7 +1139,7 @@ static inline int dv_write_ssyb_id(uint8_t syb_num, uint8_t fr, uint8_t *buf)
return 3;
}
-static void dv_format_frame(DVVideoContext *c, uint8_t *buf)
+static void dv_format_frame(DVEncContext *c, uint8_t *buf)
{
int chan, i, j, k;
/* We work with 720p frames split in half. The odd half-frame is chan 2,3 */
@@ -1177,7 +1194,7 @@ static void dv_format_frame(DVVideoContext *c, uint8_t *buf)
static int dvvideo_encode_frame(AVCodecContext *c, AVPacket *pkt,
const AVFrame *frame, int *got_packet)
{
- DVVideoContext *s = c->priv_data;
+ DVEncContext *s = c->priv_data;
int ret;
if ((ret = ff_get_encode_buffer(c, pkt, s->sys->frame_size, 0)) < 0)
@@ -1202,7 +1219,7 @@ static int dvvideo_encode_frame(AVCodecContext *c, AVPacket *pkt,
}
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
-#define OFFSET(x) offsetof(DVVideoContext, x)
+#define OFFSET(x) offsetof(DVEncContext, x)
static const AVOption dv_options[] = {
{ "quant_deadzone", "Quantizer dead zone", OFFSET(quant_deadzone), AV_OPT_TYPE_INT, { .i64 = 7 }, 0, 1024, VE },
{ NULL },
@@ -1222,7 +1239,7 @@ const FFCodec ff_dvvideo_encoder = {
.p.id = AV_CODEC_ID_DVVIDEO,
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
AV_CODEC_CAP_SLICE_THREADS,
- .priv_data_size = sizeof(DVVideoContext),
+ .priv_data_size = sizeof(DVEncContext),
.init = dvvideo_encode_init,
FF_CODEC_ENCODE_CB(dvvideo_encode_frame),
.p.pix_fmts = (const enum AVPixelFormat[]) {