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Add an alternate way of accessing pixel buffers.

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This commit is contained in:
Ari Koivula 2013-11-13 14:42:41 +02:00
parent 06ab158c55
commit 21678930b1
2 changed files with 10 additions and 0 deletions
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8
src/picture.c
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@ -282,11 +282,17 @@ picture *picture_init(int32_t width, int32_t height,
pic->y_data = MALLOC(pixel, luma_size);
pic->u_data = MALLOC(pixel, chroma_size);
pic->v_data = MALLOC(pixel, chroma_size);
pic->data[COLOR_Y] = pic->y_data;
pic->data[COLOR_U] = pic->u_data;
pic->data[COLOR_V] = pic->v_data;
// Reconstruction buffers
pic->y_recdata = MALLOC(pixel, luma_size);
pic->u_recdata = MALLOC(pixel, chroma_size);
pic->v_recdata = MALLOC(pixel, chroma_size);
pic->recdata[COLOR_Y] = pic->y_recdata;
pic->recdata[COLOR_U] = pic->u_recdata;
pic->recdata[COLOR_V] = pic->v_recdata;
memset(pic->u_recdata, 128, (chroma_size));
memset(pic->v_recdata, 128, (chroma_size));
@ -327,11 +333,13 @@ int picture_destroy(picture *pic)
free(pic->v_data);
free(pic->y_data);
pic->y_data = pic->u_data = pic->v_data = NULL;
pic->data[COLOR_Y] = pic->data[COLOR_U] = pic->data[COLOR_V] = NULL;
free(pic->y_recdata);
free(pic->u_recdata);
free(pic->v_recdata);
pic->y_recdata = pic->u_recdata = pic->v_recdata = NULL;
pic->recdata[COLOR_Y] = pic->recdata[COLOR_U] = pic->recdata[COLOR_V] = NULL;
for (i = 0; i <= MAX_DEPTH; ++i)
{

2
src/picture.h
View file

@ -91,10 +91,12 @@ typedef struct picture_struct
pixel* y_data; //!< \brief Pointer to luma pixel array.
pixel* u_data; //!< \brief Pointer to chroma U pixel array.
pixel* v_data; //!< \brief Pointer to chroma V pixel array.
pixel *data[NUM_COLORS]; // \brief Alternate access method to same data.
pixel* y_recdata; //!< \brief Pointer to reconstructed Y-data.
pixel* u_recdata; //!< \brief Pointer to reconstructed U-data.
pixel* v_recdata; //!< \brief Pointer to reconstructed V-data.
pixel *recdata[NUM_COLORS]; // \brief Alternate access method to same data.
pixel* pred_y; //!< \brief Pointer to predicted Y
pixel* pred_u; //!< \brief Pointer to predicted U