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ffmpeg.wasm-core
Commit b40236d9 authored by Diego Biurrun's avatar Diego Biurrun
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cinepakenc: Drop broken debug code

parent 158d2e15
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Showing with 10 additions and 175 deletions
libavcodec/cinepakenc.c
View file @ b40236d9
......@@ -119,11 +119,6 @@ typedef struct {
mb_info *mb; //MB RD state
int min_strips; //the current limit
int max_strips; //the current limit
#ifdef CINEPAKENC_DEBUG
mb_info *best_mb; //TODO: remove. only used for printing stats
int num_v1_mode, num_v4_mode, num_mc_mode;
int num_v1_encs, num_v4_encs, num_skips;
#endif
// options
int max_extra_cb_iterations;
int skip_empty_cb;
......@@ -206,11 +201,6 @@ static av_cold int cinepak_encode_init(AVCodecContext *avctx)
if (!(s->mb = av_malloc(mb_count*sizeof(mb_info))))
goto enomem;
#ifdef CINEPAKENC_DEBUG
if (!(s->best_mb = av_malloc(mb_count*sizeof(mb_info))))
goto enomem;
#endif
av_lfg_init(&s->randctx, 1);
s->avctx = avctx;
s->w = avctx->width;
......@@ -251,10 +241,6 @@ static av_cold int cinepak_encode_init(AVCodecContext *avctx)
s->min_strips = s->min_min_strips;
s->max_strips = s->max_max_strips;
#ifdef CINEPAKENC_DEBUG
s->num_v1_mode = s->num_v4_mode = s->num_mc_mode = s->num_v1_encs = s->num_v4_encs = s->num_skips = 0;
#endif
return 0;
enomem:
......@@ -268,9 +254,6 @@ enomem:
av_freep(&s->strip_buf);
av_freep(&s->frame_buf);
av_freep(&s->mb);
#ifdef CINEPAKENC_DEBUG
av_freep(&s->best_mb);
#endif
for(x = 0; x < (avctx->pix_fmt == AV_PIX_FMT_RGB24 ? 4 : 3); x++)
av_freep(&s->pict_bufs[x]);
......@@ -278,11 +261,7 @@ enomem:
return AVERROR(ENOMEM);
}
static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *info, int report, int *training_set_v1_shrunk, int *training_set_v4_shrunk
#ifdef CINEPAK_REPORT_SERR
, int64_t *serr
#endif
)
static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *info, int report, int *training_set_v1_shrunk, int *training_set_v4_shrunk)
{
//score = FF_LAMBDA_SCALE * error + lambda * bits
int x;
......@@ -294,12 +273,6 @@ static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *inf
(info->v4_size ? CHUNK_HEADER_SIZE + info->v4_size * entry_size : 0) +
CHUNK_HEADER_SIZE) << 3;
//av_log(s->avctx, AV_LOG_INFO, "sizes %3i %3i -> %9lli score mb_count %i", info->v1_size, info->v4_size, (long long int)ret, mb_count);
#ifdef CINEPAK_REPORT_SERR
*serr = 0;
#endif
switch(info->mode) {
case MODE_V1_ONLY:
//one byte per MB
......@@ -309,9 +282,6 @@ static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *inf
for(x = 0; x < mb_count; x++) {
mb = &s->mb[x];
ret += FF_LAMBDA_SCALE * mb->v1_error;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->v1_error;
#endif
// this function is never called for report in MODE_V1_ONLY
// if(!report)
mb->best_encoding = ENC_V1;
......@@ -331,9 +301,6 @@ static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *inf
else
score1 = s->lambda * 33 + FF_LAMBDA_SCALE * (mberr=mb->v4_error);
ret += score1;
#ifdef CINEPAK_REPORT_SERR
*serr += mberr;
#endif
}
} else { // find best mode per block
for(x = 0; x < mb_count; x++) {
......@@ -343,15 +310,9 @@ static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *inf
if(score1 <= score2) {
ret += score1;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->v1_error;
#endif
mb->best_encoding = ENC_V1;
} else {
ret += score2;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->v4_error;
#endif
mb->best_encoding = ENC_V4;
}
}
......@@ -369,36 +330,21 @@ static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *inf
score1 = s->lambda * 1 + FF_LAMBDA_SCALE * mb->skip_error;
if(mb->best_encoding == ENC_SKIP) {
ret += score1;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->skip_error;
#endif
} else if(mb->best_encoding == ENC_V1) {
if((score2=s->lambda * 10 + FF_LAMBDA_SCALE * mb->v1_error) >= score1) {
mb->best_encoding = ENC_SKIP;
++v1_shrunk;
ret += score1;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->skip_error;
#endif
} else {
ret += score2;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->v1_error;
#endif
}
} else {
if((score3=s->lambda * 34 + FF_LAMBDA_SCALE * mb->v4_error) >= score1) {
mb->best_encoding = ENC_SKIP;
++v4_shrunk;
ret += score1;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->skip_error;
#endif
} else {
ret += score3;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->v4_error;
#endif
}
}
}
......@@ -413,21 +359,12 @@ static int64_t calculate_mode_score(CinepakEncContext *s, int h, strip_info *inf
if(score1 <= score2 && score1 <= score3) {
ret += score1;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->skip_error;
#endif
mb->best_encoding = ENC_SKIP;
} else if(score2 <= score3) {
ret += score2;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->v1_error;
#endif
mb->best_encoding = ENC_V1;
} else {
ret += score3;
#ifdef CINEPAK_REPORT_SERR
*serr += mb->v4_error;
#endif
mb->best_encoding = ENC_V4;
}
}
......@@ -808,16 +745,11 @@ static int quantize(CinepakEncContext *s, int h, AVPicture *pict,
i += v1mode ? 1 : 4;
}
}
// if(i < mbn*(v1mode ? 1 : 4)) {
// av_log(s->avctx, AV_LOG_INFO, "reducing training set for %s from %i to %i (encoding %i)\n", v1mode?"v1":"v4", mbn*(v1mode ? 1 : 4), i, encoding);
// }
if(i == 0) // empty training set, nothing to do
return 0;
if(i < size) {
//av_log(s->avctx, (CERTAIN(encoding) ? AV_LOG_ERROR : AV_LOG_INFO), "WOULD WASTE: %s cbsize %i bigger than training set size %i (encoding %i)\n", v1mode?"v1":"v4", size, i, encoding);
if (i < size)
size = i;
}
ff_init_elbg(s->codebook_input, entry_size, i, codebook, size, 1, s->codebook_closest, &s->randctx);
ff_do_elbg(s->codebook_input, entry_size, i, codebook, size, 1, s->codebook_closest, &s->randctx);
......@@ -864,8 +796,6 @@ static int quantize(CinepakEncContext *s, int h, AVPicture *pict,
// check that we did it right in the beginning of the function
av_assert0(i >= size); // training set is no smaller than the codebook
//av_log(s->avctx, AV_LOG_INFO, "isv1 %i size= %i i= %i error %lli\n", v1mode, size, i, (long long int)total_error);
return size;
}
......@@ -899,19 +829,11 @@ static void write_strip_header(CinepakEncContext *s, int y, int h, int keyframe,
// AV_WB16(&buf[8], y+h); /* using absolute y values works -- rl */
AV_WB16(&buf[8], h); /* using relative values works as well -- rl */
AV_WB16(&buf[10], s->w);
//av_log(s->avctx, AV_LOG_INFO, "write_strip_header() %x keyframe=%d\n", buf[0], keyframe);
}
static int rd_strip(CinepakEncContext *s, int y, int h, int keyframe, AVPicture *last_pict, AVPicture *pict, AVPicture *scratch_pict, unsigned char *buf, int64_t *best_score
#ifdef CINEPAK_REPORT_SERR
, int64_t *best_serr
#endif
)
static int rd_strip(CinepakEncContext *s, int y, int h, int keyframe, AVPicture *last_pict, AVPicture *pict, AVPicture *scratch_pict, unsigned char *buf, int64_t *best_score)
{
int64_t score = 0;
#ifdef CINEPAK_REPORT_SERR
int64_t serr;
#endif
int best_size = 0;
strip_info info;
// for codebook optimization:
......@@ -961,11 +883,7 @@ static int rd_strip(CinepakEncContext *s, int y, int h, int keyframe, AVPicture
info.mode = mode;
// choose the best encoding per block, based on current experience
score = calculate_mode_score(s, h, &info, 0,
&v1shrunk, &v4shrunk
#ifdef CINEPAK_REPORT_SERR
, &serr
#endif
);
&v1shrunk, &v4shrunk);
if(mode != MODE_V1_ONLY){
int extra_iterations_limit = s->max_extra_cb_iterations;
......@@ -973,72 +891,42 @@ static int rd_strip(CinepakEncContext *s, int y, int h, int keyframe, AVPicture
// we assume we _may_ come here with more blocks to encode than before
info.v1_size = v1_size;
new_v1_size = quantize(s, h, pict, 1, &info, ENC_V1);
if(new_v1_size < info.v1_size){
//av_log(s->avctx, AV_LOG_INFO, "mode %i, %3i, %3i: cut v1 codebook to %i entries\n", mode, v1_size, v4_size, new_v1_size);
if (new_v1_size < info.v1_size)
info.v1_size = new_v1_size;
}
// we assume we _may_ come here with more blocks to encode than before
info.v4_size = v4_size;
new_v4_size = quantize(s, h, pict, 0, &info, ENC_V4);
if(new_v4_size < info.v4_size) {
//av_log(s->avctx, AV_LOG_INFO, "mode %i, %3i, %3i: cut v4 codebook to %i entries at first iteration\n", mode, v1_size, v4_size, new_v4_size);
if (new_v4_size < info.v4_size)
info.v4_size = new_v4_size;
}
// calculate the resulting score
// (do not move blocks to codebook encodings now, as some blocks may have
// got bigger errors despite a smaller training set - but we do not
// ever grow the training sets back)
for(;;) {
score = calculate_mode_score(s, h, &info, 1,
&v1shrunk, &v4shrunk
#ifdef CINEPAK_REPORT_SERR
, &serr
#endif
);
&v1shrunk, &v4shrunk);
// do we have a reason to reiterate? if so, have we reached the limit?
if((!v1shrunk && !v4shrunk) || !extra_iterations_limit--) break;
// recompute the codebooks, omitting the extra blocks
if(v1shrunk) {
info.v1_size = v1_size;
new_v1_size = quantize(s, h, pict, 1, &info, ENC_V1);
if(new_v1_size < info.v1_size){
//av_log(s->avctx, AV_LOG_INFO, "mode %i, %3i, %3i: cut v1 codebook to %i entries\n", mode, v1_size, v4_size, new_v1_size);
if (new_v1_size < info.v1_size)
info.v1_size = new_v1_size;
}
}
if(v4shrunk) {
info.v4_size = v4_size;
new_v4_size = quantize(s, h, pict, 0, &info, ENC_V4);
if(new_v4_size < info.v4_size) {
//av_log(s->avctx, AV_LOG_INFO, "mode %i, %3i, %3i: cut v4 codebook to %i entries\n", mode, v1_size, v4_size, new_v4_size);
if (new_v4_size < info.v4_size)
info.v4_size = new_v4_size;
}
}
}
}
//av_log(s->avctx, AV_LOG_INFO, "%3i %3i score = %lli\n", v1_size, v4_size, (long long int)score);
if(best_size == 0 || score < *best_score) {
*best_score = score;
#ifdef CINEPAK_REPORT_SERR
*best_serr = serr;
#endif
best_size = encode_mode(s, h, scratch_pict, last_pict, &info, s->strip_buf + STRIP_HEADER_SIZE);
//av_log(s->avctx, AV_LOG_INFO, "mode %i, %3i, %3i: %18lli %i B", mode, info.v1_size, info.v4_size, (long long int)score, best_size);
//av_log(s->avctx, AV_LOG_INFO, "\n");
#ifdef CINEPAK_REPORT_SERR
av_log(s->avctx, AV_LOG_INFO, "mode %i, %3i, %3i: %18lli %i B\n", mode, v1_size, v4_size, (long long int)serr, best_size);
#endif
#ifdef CINEPAKENC_DEBUG
//save MB encoding choices
memcpy(s->best_mb, s->mb, mb_count*sizeof(mb_info));
#endif
//memcpy(strip_temp + STRIP_HEADER_SIZE, strip_temp, best_size);
write_strip_header(s, y, h, keyframe, s->strip_buf, best_size);
}
......@@ -1046,28 +934,6 @@ static int rd_strip(CinepakEncContext *s, int y, int h, int keyframe, AVPicture
}
}
#ifdef CINEPAKENC_DEBUG
//gather stats. this will only work properly of MAX_STRIPS == 1
if(best_info.mode == MODE_V1_ONLY) {
s->num_v1_mode++;
s->num_v1_encs += s->w*h/MB_AREA;
} else {
if(best_info.mode == MODE_V1_V4)
s->num_v4_mode++;
else
s->num_mc_mode++;
int x;
for(x = 0; x < s->w*h/MB_AREA; x++)
if(s->best_mb[x].best_encoding == ENC_V1)
s->num_v1_encs++;
else if(s->best_mb[x].best_encoding == ENC_V4)
s->num_v4_encs++;
else
s->num_skips++;
}
#endif
best_size += STRIP_HEADER_SIZE;
memcpy(buf, s->strip_buf, best_size);
......@@ -1090,10 +956,6 @@ static int rd_frame(CinepakEncContext *s, const AVFrame *frame, int isakeyframe,
int num_strips, strip, i, y, nexty, size, temp_size, best_size;
AVPicture last_pict, pict, scratch_pict;
int64_t best_score = 0, score, score_temp;
#ifdef CINEPAK_REPORT_SERR
int64_t best_serr = 0, serr, serr_temp;
#endif
int best_nstrips;
if(s->pix_fmt == AV_PIX_FMT_RGB24) {
......@@ -1144,9 +1006,6 @@ static int rd_frame(CinepakEncContext *s, const AVFrame *frame, int isakeyframe,
for(num_strips = s->min_strips; num_strips <= s->max_strips && num_strips <= s->h / MB_SIZE; num_strips++) {
score = 0;
size = 0;
#ifdef CINEPAK_REPORT_SERR
serr = 0;
#endif
for(y = 0, strip = 1; y < s->h; strip++, y = nexty) {
int strip_height;
......@@ -1169,32 +1028,16 @@ static int rd_frame(CinepakEncContext *s, const AVFrame *frame, int isakeyframe,
get_sub_picture(s, 0, y, (AVPicture*)s->last_frame, &last_pict);
get_sub_picture(s, 0, y, (AVPicture*)s->scratch_frame, &scratch_pict);
if((temp_size = rd_strip(s, y, strip_height, isakeyframe, &last_pict, &pict, &scratch_pict, s->frame_buf + size + CVID_HEADER_SIZE, &score_temp
#ifdef CINEPAK_REPORT_SERR
, &serr_temp
#endif
)) < 0)
if((temp_size = rd_strip(s, y, strip_height, isakeyframe, &last_pict, &pict, &scratch_pict, s->frame_buf + size + CVID_HEADER_SIZE, &score_temp)) < 0)
return temp_size;
score += score_temp;
#ifdef CINEPAK_REPORT_SERR
serr += serr_temp;
#endif
size += temp_size;
//av_log(s->avctx, AV_LOG_INFO, "strip %d, isakeyframe=%d", strip, isakeyframe);
//av_log(s->avctx, AV_LOG_INFO, "\n");
}
if(best_score == 0 || score < best_score) {
best_score = score;
#ifdef CINEPAK_REPORT_SERR
best_serr = serr;
#endif
best_size = size + write_cvid_header(s, s->frame_buf, num_strips, size, isakeyframe);
//av_log(s->avctx, AV_LOG_INFO, "best number of strips so far: %2i, %12lli, %i B\n", num_strips, (long long int)score, best_size);
#ifdef CINEPAK_REPORT_SERR
av_log(s->avctx, AV_LOG_INFO, "best number of strips so far: %2i, %12lli, %i B\n", num_strips, (long long int)serr, best_size);
#endif
FFSWAP(AVFrame *, s->best_frame, s->scratch_frame);
memcpy(buf, s->frame_buf, best_size);
......@@ -1271,18 +1114,10 @@ static av_cold int cinepak_encode_end(AVCodecContext *avctx)
av_freep(&s->strip_buf);
av_freep(&s->frame_buf);
av_freep(&s->mb);
#ifdef CINEPAKENC_DEBUG
av_freep(&s->best_mb);
#endif
for(x = 0; x < (avctx->pix_fmt == AV_PIX_FMT_RGB24 ? 4 : 3); x++)
av_freep(&s->pict_bufs[x]);
#ifdef CINEPAKENC_DEBUG
av_log(avctx, AV_LOG_INFO, "strip coding stats: %i V1 mode, %i V4 mode, %i MC mode (%i V1 encs, %i V4 encs, %i skips)\n",
s->num_v1_mode, s->num_v4_mode, s->num_mc_mode, s->num_v1_encs, s->num_v4_encs, s->num_skips);
#endif
return 0;
}
......
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