static av_cold int decode_init(AVCodecContext *avctx)
{
+ int ret = 0;
ProresContext *ctx = avctx->priv_data;
uint8_t idct_permutation[64];
}
ff_blockdsp_init(&ctx->bdsp, avctx);
- ff_proresdsp_init(&ctx->prodsp, avctx);
+ ret = ff_proresdsp_init(&ctx->prodsp, avctx);
+ if (ret < 0) {
+ av_log(avctx, AV_LOG_ERROR, "Fail to init proresdsp for bits per raw sample %d\n", avctx->bits_per_raw_sample);
+ return ret;
+ }
ff_init_scantable_permutation(idct_permutation,
ctx->prodsp.idct_permutation_type);
permute(ctx->progressive_scan, ff_prores_progressive_scan, idct_permutation);
permute(ctx->interlaced_scan, ff_prores_interlaced_scan, idct_permutation);
- return 0;
+ return ret;
}
static int decode_frame_header(ProresContext *ctx, const uint8_t *buf,
#include "proresdsp.h"
#include "simple_idct.h"
-#define CLIP_MIN (1 << (PRORES_BITS_PER_SAMPLE - 8)) ///< minimum value for clipping resulting pixels
-#define CLIP_MAX (1 << PRORES_BITS_PER_SAMPLE) - CLIP_MIN - 1 ///< maximum value for clipping resulting pixels
+#define CLIP_MIN (1 << 2) ///< minimum value for clipping resulting pixels
+#define CLIP_MAX_10 (1 << 10) - CLIP_MIN - 1 ///< maximum value for clipping resulting pixels
-#define CLIP(x) (av_clip((x), CLIP_MIN, CLIP_MAX))
+#define CLIP_10(x) (av_clip((x), CLIP_MIN, CLIP_MAX_10))
/**
* Add bias value, clamp and output pixels of a slice
*/
-static void put_pixels(uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
+static void put_pixels_10(uint16_t *dst, ptrdiff_t linesize, const int16_t *in)
{
int x, y, src_offset, dst_offset;
for (x = 0; x < 8; x++) {
src_offset = (y << 3) + x;
- dst[dst_offset + x] = CLIP(in[src_offset]);
+ dst[dst_offset + x] = CLIP_10(in[src_offset]);
}
}
}
-static void prores_idct_put_c(uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat)
+static void prores_idct_put_10_c(uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat)
{
- ff_prores_idct(block, qmat);
- put_pixels(out, linesize >> 1, block);
+ ff_prores_idct_10(block, qmat);
+ put_pixels_10(out, linesize >> 1, block);
}
-av_cold void ff_proresdsp_init(ProresDSPContext *dsp, AVCodecContext *avctx)
+av_cold int ff_proresdsp_init(ProresDSPContext *dsp, AVCodecContext *avctx)
{
- dsp->idct_put = prores_idct_put_c;
+ if (avctx->bits_per_raw_sample == 10) {
+ dsp->idct_put = prores_idct_put_10_c;
dsp->idct_permutation_type = FF_IDCT_PERM_NONE;
+ } else {
+ return AVERROR_BUG;
+ }
if (ARCH_X86)
ff_proresdsp_init_x86(dsp, avctx);
ff_init_scantable_permutation(dsp->idct_permutation,
dsp->idct_permutation_type);
+ return 0;
}
#include <stdint.h>
#include "avcodec.h"
-#define PRORES_BITS_PER_SAMPLE 10 ///< output precision of prores decoder
-
typedef struct ProresDSPContext {
int idct_permutation_type;
uint8_t idct_permutation[64];
void (*idct_put)(uint16_t *out, ptrdiff_t linesize, int16_t *block, const int16_t *qmat);
} ProresDSPContext;
-void ff_proresdsp_init(ProresDSPContext *dsp, AVCodecContext *avctx);
+int ff_proresdsp_init(ProresDSPContext *dsp, AVCodecContext *avctx);
void ff_proresdsp_init_x86(ProresDSPContext *dsp, AVCodecContext *avctx);
}
}
-void ff_prores_idct(int16_t *block, const int16_t *qmat)
+void ff_prores_idct_10(int16_t *block, const int16_t *qmat)
{
int i;
* and scales by a factor of 2 more between the two IDCTs to account
* for larger scale of input coefficients.
*/
-void ff_prores_idct(int16_t *block, const int16_t *qmat);
+void ff_prores_idct_10(int16_t *block, const int16_t *qmat);
void ff_simple_idct248_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block);
for(i=0; i<64; i++){
qmat[i]=4;
}
- ff_prores_idct(dst, qmat);
+ ff_prores_idct_10(dst, qmat);
for(i=0; i<64; i++) {
dst[i] -= 512;
}
#if ARCH_X86_64
int cpu_flags = av_get_cpu_flags();
+ if (avctx->bits_per_raw_sample == 10){
if (EXTERNAL_SSE2(cpu_flags)) {
dsp->idct_permutation_type = FF_IDCT_PERM_TRANSPOSE;
dsp->idct_put = ff_prores_idct_put_10_sse2;
dsp->idct_permutation_type = FF_IDCT_PERM_TRANSPOSE;
dsp->idct_put = ff_prores_idct_put_10_avx;
}
+ }
#endif /* ARCH_X86_64 */
}