[FFmpeg-devel] [PATCH 13/13] avcodec/elbg: Add flags to avpriv_elbg_do()
Andreas Rheinhardt
andreas.rheinhardt at outlook.com
Fri Sep 17 05:08:08 EEST 2021
This is currently unused and it is only added to enable changes
while maintaining ABI compatibility. The type is uintptr_t in order
to potentially accept a pointer argument.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
---
libavcodec/a64multienc.c | 2 +-
libavcodec/cinepakenc.c | 2 +-
libavcodec/elbg.c | 2 +-
libavcodec/elbg.h | 4 +++-
libavcodec/msvideo1enc.c | 6 +++---
libavcodec/roqvideoenc.c | 2 +-
libavfilter/vf_elbg.c | 2 +-
7 files changed, 11 insertions(+), 9 deletions(-)
diff --git a/libavcodec/a64multienc.c b/libavcodec/a64multienc.c
index 71a620b4ff..c368ac218a 100644
--- a/libavcodec/a64multienc.c
+++ b/libavcodec/a64multienc.c
@@ -338,7 +338,7 @@ static int a64multi_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
/* calc optimal new charset + charmaps */
ret = avpriv_elbg_do(&c->elbg, meta, 32, 1000 * c->mc_lifetime,
- best_cb, CHARSET_CHARS, 50, charmap, &c->randctx);
+ best_cb, CHARSET_CHARS, 50, charmap, &c->randctx, 0);
if (ret < 0)
return ret;
diff --git a/libavcodec/cinepakenc.c b/libavcodec/cinepakenc.c
index d1bcf2b2d5..edb553f0db 100644
--- a/libavcodec/cinepakenc.c
+++ b/libavcodec/cinepakenc.c
@@ -764,7 +764,7 @@ static int quantize(CinepakEncContext *s, int h, uint8_t *data[4],
size = i;
ret = avpriv_elbg_do(&s->elbg, s->codebook_input, entry_size, i, codebook,
- size, 1, s->codebook_closest, &s->randctx);
+ size, 1, s->codebook_closest, &s->randctx, 0);
if (ret < 0)
return ret;
diff --git a/libavcodec/elbg.c b/libavcodec/elbg.c
index 2bacf5b773..712c125a58 100644
--- a/libavcodec/elbg.c
+++ b/libavcodec/elbg.c
@@ -445,7 +445,7 @@ static void init_elbg(ELBGContext *elbg, int *points, int *temp_points,
int avpriv_elbg_do(ELBGContext **elbgp, int *points, int dim, int numpoints,
int *codebook, int num_cb, int max_steps,
- int *closest_cb, AVLFG *rand_state)
+ int *closest_cb, AVLFG *rand_state, uintptr_t flags)
{
ELBGContext *const elbg = *elbgp ? *elbgp : av_mallocz(sizeof(*elbg));
diff --git a/libavcodec/elbg.h b/libavcodec/elbg.h
index abeeb4ff44..34d96846b1 100644
--- a/libavcodec/elbg.h
+++ b/libavcodec/elbg.h
@@ -21,6 +21,7 @@
#ifndef AVCODEC_ELBG_H
#define AVCODEC_ELBG_H
+#include <stdint.h>
#include "libavutil/lfg.h"
struct ELBGContext;
@@ -41,11 +42,12 @@ struct ELBGContext;
* @param num_steps The maximum number of steps. One step is already a good compromise between time and quality.
* @param closest_cb Return the closest codebook to each point. Must be allocated.
* @param rand_state A random number generator state. Should be already initialized by av_lfg_init().
+ * @param flags Currently unused; must be set to 0.
* @return < 0 in case of error, 0 otherwise
*/
int avpriv_elbg_do(struct ELBGContext **ctx, int *points, int dim,
int numpoints, int *codebook, int num_cb, int num_steps,
- int *closest_cb, AVLFG *rand_state);
+ int *closest_cb, AVLFG *rand_state, uintptr_t flags);
/**
* Free an ELBGContext and reset the pointer to it.
diff --git a/libavcodec/msvideo1enc.c b/libavcodec/msvideo1enc.c
index 79810ec8c3..a8761bdd2e 100644
--- a/libavcodec/msvideo1enc.c
+++ b/libavcodec/msvideo1enc.c
@@ -119,7 +119,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
// try to find optimal value to fill whole 4x4 block
score = 0;
ret = avpriv_elbg_do(&c->elbg, c->block, 3, 16, c->avg,
- 1, 1, c->output, &c->rnd);
+ 1, 1, c->output, &c->rnd, 0);
if (ret < 0)
return ret;
if(c->avg[0] == 1) // red component = 1 will be written as skip code
@@ -141,7 +141,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
// search for optimal filling of 2-color block
score = 0;
ret = avpriv_elbg_do(&c->elbg, c->block, 3, 16, c->codebook,
- 2, 1, c->output, &c->rnd);
+ 2, 1, c->output, &c->rnd, 0);
if (ret < 0)
return ret;
// last output value should be always 1, swap codebooks if needed
@@ -170,7 +170,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
for(i = 0; i < 4; i++){
ret = avpriv_elbg_do(&c->elbg, c->block2 + i * 4 * 3, 3, 4,
c->codebook2 + i * 2 * 3, 2, 1,
- c->output2 + i * 4, &c->rnd);
+ c->output2 + i * 4, &c->rnd, 0);
if (ret < 0)
return ret;
}
diff --git a/libavcodec/roqvideoenc.c b/libavcodec/roqvideoenc.c
index 316adac45e..78c84c6f65 100644
--- a/libavcodec/roqvideoenc.c
+++ b/libavcodec/roqvideoenc.c
@@ -826,7 +826,7 @@ static int generate_codebook(RoqEncContext *enc,
int *closest_cb = enc->closest_cb;
ret = avpriv_elbg_do(&enc->elbg, points, 6 * c_size, inputCount, codebook,
- cbsize, 1, closest_cb, &enc->randctx);
+ cbsize, 1, closest_cb, &enc->randctx, 0);
if (ret < 0)
return ret;
diff --git a/libavfilter/vf_elbg.c b/libavfilter/vf_elbg.c
index fac3b6f7fe..0bebcdbda5 100644
--- a/libavfilter/vf_elbg.c
+++ b/libavfilter/vf_elbg.c
@@ -167,7 +167,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
ret = avpriv_elbg_do(&elbg->ctx, elbg->codeword, NB_COMPONENTS,
elbg->codeword_length, elbg->codebook,
elbg->codebook_length, elbg->max_steps_nb,
- elbg->codeword_closest_codebook_idxs, &elbg->lfg);
+ elbg->codeword_closest_codebook_idxs, &elbg->lfg, 0);
if (ret < 0) {
av_frame_free(&frame);
return ret;
--
2.30.2
More information about the ffmpeg-devel
mailing list