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https://github.com/xenia-project/FFmpeg.git
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avcodec/roqvideoenc: Avoid allocating buffers separately
This is possible because their size is known at compile-time; so they can be put directly into the context and don't need to be allocated for every frame. Reviewed-by: Paul B Mahol <onemda@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt
parent
ed89ebb12e
commit
590f491b0a
@ -78,6 +78,36 @@
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/* The cast is useful when multiplying it by INT_MAX */
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#define ROQ_LAMBDA_SCALE ((uint64_t) FF_LAMBDA_SCALE)
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typedef struct RoqCodebooks {
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int numCB4;
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int numCB2;
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int usedCB2[MAX_CBS_2x2];
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int usedCB4[MAX_CBS_4x4];
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uint8_t unpacked_cb2[MAX_CBS_2x2*2*2*3];
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uint8_t unpacked_cb4[MAX_CBS_4x4*4*4*3];
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uint8_t unpacked_cb4_enlarged[MAX_CBS_4x4*8*8*3];
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} RoqCodebooks;
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/**
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* Temporary vars
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*/
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typedef struct RoqTempData
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{
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int f2i4[MAX_CBS_4x4];
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int i2f4[MAX_CBS_4x4];
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int f2i2[MAX_CBS_2x2];
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int i2f2[MAX_CBS_2x2];
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int mainChunkSize;
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int numCB4;
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int numCB2;
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RoqCodebooks codebooks;
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int used_option[4];
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} RoqTempData;
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typedef struct SubcelEvaluation {
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int eval_dist[4];
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int best_bit_use;
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@ -115,7 +145,9 @@ typedef struct RoqEncContext {
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const AVFrame *frame_to_enc;
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uint8_t *out_buf;
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struct RoqTempData *tmpData;
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RoqTempData tmp_data;
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roq_cell results4[4 * MAX_CBS_4x4];
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int tmp_codebook_buf[FFMAX(24 * MAX_CBS_4x4, 6 * MAX_CBS_2x2)];
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CelEvaluation *cel_evals;
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int *closest_cb;
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@ -233,36 +265,6 @@ static inline int squared_diff_macroblock(uint8_t a[], uint8_t b[], int size)
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return sdiff;
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}
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typedef struct RoqCodebooks {
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int numCB4;
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int numCB2;
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int usedCB2[MAX_CBS_2x2];
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int usedCB4[MAX_CBS_4x4];
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uint8_t unpacked_cb2[MAX_CBS_2x2*2*2*3];
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uint8_t unpacked_cb4[MAX_CBS_4x4*4*4*3];
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uint8_t unpacked_cb4_enlarged[MAX_CBS_4x4*8*8*3];
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} RoqCodebooks;
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/**
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* Temporary vars
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*/
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typedef struct RoqTempData
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{
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int f2i4[MAX_CBS_4x4];
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int i2f4[MAX_CBS_4x4];
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int f2i2[MAX_CBS_2x2];
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int i2f2[MAX_CBS_2x2];
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int mainChunkSize;
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int numCB4;
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int numCB2;
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RoqCodebooks codebooks;
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int used_option[4];
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} RoqTempdata;
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/**
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* Initialize cel evaluators and set their source coordinates
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*/
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@ -424,9 +426,10 @@ static void motion_search(RoqEncContext *enc, int blocksize)
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* Get distortion for all options available to a subcel
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*/
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static void gather_data_for_subcel(SubcelEvaluation *subcel, int x,
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int y, RoqEncContext *enc, RoqTempdata *tempData)
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int y, RoqEncContext *enc)
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{
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RoqContext *const roq = &enc->common;
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RoqTempData *const tempData = &enc->tmp_data;
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uint8_t mb4[4*4*3];
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uint8_t mb2[2*2*3];
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int cluster_index;
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@ -488,10 +491,10 @@ static void gather_data_for_subcel(SubcelEvaluation *subcel, int x,
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/**
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* Get distortion for all options available to a cel
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*/
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static void gather_data_for_cel(CelEvaluation *cel, RoqEncContext *enc,
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RoqTempdata *tempData)
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static void gather_data_for_cel(CelEvaluation *cel, RoqEncContext *enc)
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{
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RoqContext *const roq = &enc->common;
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RoqTempData *const tempData = &enc->tmp_data;
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uint8_t mb8[8*8*3];
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int index = cel->sourceY * roq->width / 64 + cel->sourceX/8;
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int i, j, best_dist, divide_bit_use;
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@ -523,10 +526,10 @@ static void gather_data_for_cel(CelEvaluation *cel, RoqEncContext *enc,
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index_mb(mb8, tempData->codebooks.unpacked_cb4_enlarged,
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tempData->codebooks.numCB4, &cel->cbEntry, 8);
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gather_data_for_subcel(cel->subCels + 0, cel->sourceX+0, cel->sourceY+0, enc, tempData);
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gather_data_for_subcel(cel->subCels + 1, cel->sourceX+4, cel->sourceY+0, enc, tempData);
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gather_data_for_subcel(cel->subCels + 2, cel->sourceX+0, cel->sourceY+4, enc, tempData);
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gather_data_for_subcel(cel->subCels + 3, cel->sourceX+4, cel->sourceY+4, enc, tempData);
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gather_data_for_subcel(cel->subCels + 0, cel->sourceX+0, cel->sourceY+0, enc);
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gather_data_for_subcel(cel->subCels + 1, cel->sourceX+4, cel->sourceY+0, enc);
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gather_data_for_subcel(cel->subCels + 2, cel->sourceX+0, cel->sourceY+4, enc);
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gather_data_for_subcel(cel->subCels + 3, cel->sourceX+4, cel->sourceY+4, enc);
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cel->eval_dist[RoQ_ID_CCC] = 0;
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divide_bit_use = 0;
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@ -563,9 +566,10 @@ static void gather_data_for_cel(CelEvaluation *cel, RoqEncContext *enc,
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}
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}
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static void remap_codebooks(RoqEncContext *enc, RoqTempdata *tempData)
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static void remap_codebooks(RoqEncContext *enc)
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{
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RoqContext *const roq = &enc->common;
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RoqTempData *const tempData = &enc->tmp_data;
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int i, j, idx=0;
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/* Make remaps for the final codebook usage */
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@ -596,9 +600,10 @@ static void remap_codebooks(RoqEncContext *enc, RoqTempdata *tempData)
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/**
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* Write codebook chunk
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*/
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static void write_codebooks(RoqEncContext *enc, RoqTempdata *tempData)
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static void write_codebooks(RoqEncContext *enc)
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{
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RoqContext *const roq = &enc->common;
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RoqTempData *const tempData = &enc->tmp_data;
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int i, j;
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uint8_t **outp= &enc->out_buf;
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@ -652,10 +657,10 @@ static void write_typecode(CodingSpool *s, uint8_t type)
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}
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static void reconstruct_and_encode_image(RoqEncContext *enc,
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RoqTempdata *tempData,
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int w, int h, int numBlocks)
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{
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RoqContext *const roq = &enc->common;
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RoqTempData *const tempData = &enc->tmp_data;
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int i, j, k;
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int x, y;
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int subX, subY;
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@ -815,20 +820,17 @@ static int generate_codebook(RoqEncContext *enc,
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int i, j, k, ret = 0;
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int c_size = size*size/4;
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int *buf;
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int *codebook = av_malloc_array(6*c_size, cbsize*sizeof(int));
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int *codebook = enc->tmp_codebook_buf;
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int *closest_cb = enc->closest_cb;
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if (!codebook)
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return AVERROR(ENOMEM);
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ret = avpriv_init_elbg(points, 6 * c_size, inputCount, codebook,
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cbsize, 1, closest_cb, &enc->randctx);
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if (ret < 0)
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goto out;
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return ret;
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ret = avpriv_do_elbg(points, 6 * c_size, inputCount, codebook,
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cbsize, 1, closest_cb, &enc->randctx);
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if (ret < 0)
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goto out;
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return ret;
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buf = codebook;
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for (i=0; i<cbsize; i++)
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@ -840,40 +842,32 @@ static int generate_codebook(RoqEncContext *enc,
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results->v = (*buf++ + CHROMA_BIAS/2)/CHROMA_BIAS;
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results++;
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}
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out:
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av_free(codebook);
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return ret;
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return 0;
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}
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static int generate_new_codebooks(RoqEncContext *enc, RoqTempdata *tempData)
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static int generate_new_codebooks(RoqEncContext *enc)
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{
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int i, j, ret = 0;
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RoqCodebooks *codebooks = &tempData->codebooks;
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RoqCodebooks *codebooks = &enc->tmp_data.codebooks;
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RoqContext *const roq = &enc->common;
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int max = roq->width * roq->height / 16;
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uint8_t mb2[3*4];
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roq_cell *results4 = av_malloc(sizeof(roq_cell)*MAX_CBS_4x4*4);
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int *points = enc->points;
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if (!results4) {
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ret = AVERROR(ENOMEM);
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goto out;
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}
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/* Subsample YUV data */
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create_clusters(enc->frame_to_enc, roq->width, roq->height, points);
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/* Create 4x4 codebooks */
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if ((ret = generate_codebook(enc, points, max,
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results4, 4, (enc->quake3_compat ? MAX_CBS_4x4-1 : MAX_CBS_4x4))) < 0)
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goto out;
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codebooks->numCB4 = (enc->quake3_compat ? MAX_CBS_4x4-1 : MAX_CBS_4x4);
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/* Create 4x4 codebooks */
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if ((ret = generate_codebook(enc, points, max, enc->results4,
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4, codebooks->numCB4)) < 0)
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return ret;
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/* Create 2x2 codebooks */
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if ((ret = generate_codebook(enc, points, max * 4,
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roq->cb2x2, 2, MAX_CBS_2x2)) < 0)
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goto out;
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return ret;
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codebooks->numCB2 = MAX_CBS_2x2;
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@ -884,7 +878,7 @@ static int generate_new_codebooks(RoqEncContext *enc, RoqTempdata *tempData)
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/* Index all 4x4 entries to the 2x2 entries, unpack, and enlarge */
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for (i=0; i<codebooks->numCB4; i++) {
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for (j=0; j<4; j++) {
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unpack_roq_cell(&results4[4*i + j], mb2);
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unpack_roq_cell(&enc->results4[4*i + j], mb2);
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index_mb(mb2, codebooks->unpacked_cb2, codebooks->numCB2,
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&roq->cb4x4[i].idx[j], 2);
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}
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@ -893,20 +887,19 @@ static int generate_new_codebooks(RoqEncContext *enc, RoqTempdata *tempData)
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enlarge_roq_mb4(codebooks->unpacked_cb4 + i*4*4*3,
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codebooks->unpacked_cb4_enlarged + i*8*8*3);
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}
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out:
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av_free(results4);
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return ret;
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return 0;
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}
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static int roq_encode_video(RoqEncContext *enc)
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{
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RoqTempdata *tempData = enc->tmpData;
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RoqTempData *const tempData = &enc->tmp_data;
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RoqContext *const roq = &enc->common;
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int ret;
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memset(tempData, 0, sizeof(*tempData));
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ret = generate_new_codebooks(enc, tempData);
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ret = generate_new_codebooks(enc);
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if (ret < 0)
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return ret;
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@ -917,7 +910,7 @@ static int roq_encode_video(RoqEncContext *enc)
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retry_encode:
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for (int i = 0; i < roq->width * roq->height / 64; i++)
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gather_data_for_cel(enc->cel_evals + i, enc, tempData);
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gather_data_for_cel(enc->cel_evals + i, enc);
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/* Quake 3 can't handle chunks bigger than 65535 bytes */
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if (tempData->mainChunkSize/8 > 65535 && enc->quake3_compat) {
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@ -940,11 +933,11 @@ static int roq_encode_video(RoqEncContext *enc)
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goto retry_encode;
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}
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remap_codebooks(enc, tempData);
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remap_codebooks(enc);
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write_codebooks(enc, tempData);
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write_codebooks(enc);
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reconstruct_and_encode_image(enc, tempData, roq->width, roq->height,
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reconstruct_and_encode_image(enc, roq->width, roq->height,
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roq->width * roq->height / 64);
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/* Rotate frame history */
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@ -964,7 +957,6 @@ static av_cold int roq_encode_end(AVCodecContext *avctx)
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av_frame_free(&enc->common.current_frame);
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av_frame_free(&enc->common.last_frame);
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av_freep(&enc->tmpData);
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av_freep(&enc->cel_evals);
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av_freep(&enc->closest_cb);
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av_freep(&enc->this_motion4);
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@ -1009,8 +1001,6 @@ static av_cold int roq_encode_init(AVCodecContext *avctx)
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if (!roq->last_frame || !roq->current_frame)
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return AVERROR(ENOMEM);
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enc->tmpData = av_malloc(sizeof(RoqTempdata));
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enc->this_motion4 =
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av_mallocz_array(roq->width * roq->height / 16, sizeof(motion_vect));
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@ -1028,7 +1018,7 @@ static av_cold int roq_encode_init(AVCodecContext *avctx)
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enc->closest_cb =
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av_malloc_array(roq->width * roq->height, 3 * sizeof(int));
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if (!enc->tmpData || !enc->this_motion4 || !enc->last_motion4 ||
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if (!enc->this_motion4 || !enc->last_motion4 ||
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!enc->this_motion8 || !enc->last_motion8 || !enc->closest_cb)
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return AVERROR(ENOMEM);
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