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Diffstat (limited to 'vpx/internal/vpx_codec_internal.h')
-rw-r--r--vpx/internal/vpx_codec_internal.h305
1 files changed, 159 insertions, 146 deletions
diff --git a/vpx/internal/vpx_codec_internal.h b/vpx/internal/vpx_codec_internal.h
index 447433111..05fed977e 100644
--- a/vpx/internal/vpx_codec_internal.h
+++ b/vpx/internal/vpx_codec_internal.h
@@ -75,7 +75,7 @@ typedef struct vpx_codec_priv_enc_mr_cfg vpx_codec_priv_enc_mr_cfg_t;
* Memory operation failed.
*/
typedef vpx_codec_err_t (*vpx_codec_init_fn_t)(vpx_codec_ctx_t *ctx,
- vpx_codec_priv_enc_mr_cfg_t *data);
+ vpx_codec_priv_enc_mr_cfg_t *data);
/*!\brief destroy function pointer prototype
*
@@ -94,9 +94,10 @@ typedef vpx_codec_err_t (*vpx_codec_destroy_fn_t)(vpx_codec_alg_priv_t *ctx);
/*!\brief parse stream info function pointer prototype
*
- * Performs high level parsing of the bitstream. This function is called by
- * the generic vpx_codec_parse_stream() wrapper function, so plugins implementing
- * this interface may trust the input parameters to be properly initialized.
+ * Performs high level parsing of the bitstream. This function is called by the
+ * generic vpx_codec_peek_stream_info() wrapper function, so plugins
+ * implementing this interface may trust the input parameters to be properly
+ * initialized.
*
* \param[in] data Pointer to a block of data to parse
* \param[in] data_sz Size of the data buffer
@@ -109,8 +110,8 @@ typedef vpx_codec_err_t (*vpx_codec_destroy_fn_t)(vpx_codec_alg_priv_t *ctx);
* Bitstream is parsable and stream information updated
*/
typedef vpx_codec_err_t (*vpx_codec_peek_si_fn_t)(const uint8_t *data,
- unsigned int data_sz,
- vpx_codec_stream_info_t *si);
+ unsigned int data_sz,
+ vpx_codec_stream_info_t *si);
/*!\brief Return information about the current stream.
*
@@ -126,7 +127,7 @@ typedef vpx_codec_err_t (*vpx_codec_peek_si_fn_t)(const uint8_t *data,
* Bitstream is parsable and stream information updated
*/
typedef vpx_codec_err_t (*vpx_codec_get_si_fn_t)(vpx_codec_alg_priv_t *ctx,
- vpx_codec_stream_info_t *si);
+ vpx_codec_stream_info_t *si);
/*!\brief control function pointer prototype
*
@@ -151,8 +152,8 @@ typedef vpx_codec_err_t (*vpx_codec_get_si_fn_t)(vpx_codec_alg_priv_t *ctx,
* The internal state data was deserialized.
*/
typedef vpx_codec_err_t (*vpx_codec_control_fn_t)(vpx_codec_alg_priv_t *ctx,
- int ctrl_id,
- va_list ap);
+ int ctrl_id,
+ va_list ap);
/*!\brief control function pointer mapping
*
@@ -165,10 +166,9 @@ typedef vpx_codec_err_t (*vpx_codec_control_fn_t)(vpx_codec_alg_priv_t *ctx,
* mapping. This implies that ctrl_id values chosen by the algorithm
* \ref MUST be non-zero.
*/
-typedef const struct vpx_codec_ctrl_fn_map
-{
- int ctrl_id;
- vpx_codec_control_fn_t fn;
+typedef const struct vpx_codec_ctrl_fn_map {
+ int ctrl_id;
+ vpx_codec_control_fn_t fn;
} vpx_codec_ctrl_fn_map_t;
/*!\brief decode data function pointer prototype
@@ -192,10 +192,10 @@ typedef const struct vpx_codec_ctrl_fn_map
* for recoverability capabilities.
*/
typedef vpx_codec_err_t (*vpx_codec_decode_fn_t)(vpx_codec_alg_priv_t *ctx,
- const uint8_t *data,
- unsigned int data_sz,
- void *user_priv,
- long deadline);
+ const uint8_t *data,
+ unsigned int data_sz,
+ void *user_priv,
+ long deadline);
/*!\brief Decoded frames iterator
*
@@ -212,8 +212,8 @@ typedef vpx_codec_err_t (*vpx_codec_decode_fn_t)(vpx_codec_alg_priv_t *ctx,
* \return Returns a pointer to an image, if one is ready for display. Frames
* produced will always be in PTS (presentation time stamp) order.
*/
-typedef vpx_image_t*(*vpx_codec_get_frame_fn_t)(vpx_codec_alg_priv_t *ctx,
- vpx_codec_iter_t *iter);
+typedef vpx_image_t *(*vpx_codec_get_frame_fn_t)(vpx_codec_alg_priv_t *ctx,
+ vpx_codec_iter_t *iter);
/*\brief eXternal Memory Allocation memory map get iterator
@@ -228,8 +228,8 @@ typedef vpx_image_t*(*vpx_codec_get_frame_fn_t)(vpx_codec_alg_priv_t *ctx,
* indicate end-of-list.
*/
typedef vpx_codec_err_t (*vpx_codec_get_mmap_fn_t)(const vpx_codec_ctx_t *ctx,
- vpx_codec_mmap_t *mmap,
- vpx_codec_iter_t *iter);
+ vpx_codec_mmap_t *mmap,
+ vpx_codec_iter_t *iter);
/*\brief eXternal Memory Allocation memory map set iterator
@@ -245,17 +245,17 @@ typedef vpx_codec_err_t (*vpx_codec_get_mmap_fn_t)(const vpx_codec_ctx_t *c
* The memory map was rejected.
*/
typedef vpx_codec_err_t (*vpx_codec_set_mmap_fn_t)(vpx_codec_ctx_t *ctx,
- const vpx_codec_mmap_t *mmap);
+ const vpx_codec_mmap_t *mmap);
typedef vpx_codec_err_t (*vpx_codec_encode_fn_t)(vpx_codec_alg_priv_t *ctx,
- const vpx_image_t *img,
- vpx_codec_pts_t pts,
- unsigned long duration,
- vpx_enc_frame_flags_t flags,
- unsigned long deadline);
-typedef const vpx_codec_cx_pkt_t*(*vpx_codec_get_cx_data_fn_t)(vpx_codec_alg_priv_t *ctx,
- vpx_codec_iter_t *iter);
+ const vpx_image_t *img,
+ vpx_codec_pts_t pts,
+ unsigned long duration,
+ vpx_enc_frame_flags_t flags,
+ unsigned long deadline);
+typedef const vpx_codec_cx_pkt_t *(*vpx_codec_get_cx_data_fn_t)(vpx_codec_alg_priv_t *ctx,
+ vpx_codec_iter_t *iter);
typedef vpx_codec_err_t
(*vpx_codec_enc_config_set_fn_t)(vpx_codec_alg_priv_t *ctx,
@@ -268,7 +268,7 @@ typedef vpx_image_t *
typedef vpx_codec_err_t
(*vpx_codec_enc_mr_get_mem_loc_fn_t)(const vpx_codec_enc_cfg_t *cfg,
- void **mem_loc);
+ void **mem_loc);
/*!\brief usage configuration mapping
*
@@ -280,10 +280,9 @@ typedef vpx_codec_err_t
* one mapping must be present, in addition to the end-of-list.
*
*/
-typedef const struct vpx_codec_enc_cfg_map
-{
- int usage;
- vpx_codec_enc_cfg_t cfg;
+typedef const struct vpx_codec_enc_cfg_map {
+ int usage;
+ vpx_codec_enc_cfg_t cfg;
} vpx_codec_enc_cfg_map_t;
#define NOT_IMPLEMENTED 0
@@ -292,44 +291,39 @@ typedef const struct vpx_codec_enc_cfg_map
*
* All decoders \ref MUST expose a variable of this type.
*/
-struct vpx_codec_iface
-{
- const char *name; /**< Identification String */
- int abi_version; /**< Implemented ABI version */
- vpx_codec_caps_t caps; /**< Decoder capabilities */
- vpx_codec_init_fn_t init; /**< \copydoc ::vpx_codec_init_fn_t */
- vpx_codec_destroy_fn_t destroy; /**< \copydoc ::vpx_codec_destroy_fn_t */
- vpx_codec_ctrl_fn_map_t *ctrl_maps; /**< \copydoc ::vpx_codec_ctrl_fn_map_t */
- vpx_codec_get_mmap_fn_t get_mmap; /**< \copydoc ::vpx_codec_get_mmap_fn_t */
- vpx_codec_set_mmap_fn_t set_mmap; /**< \copydoc ::vpx_codec_set_mmap_fn_t */
- struct vpx_codec_dec_iface
- {
- vpx_codec_peek_si_fn_t peek_si; /**< \copydoc ::vpx_codec_peek_si_fn_t */
- vpx_codec_get_si_fn_t get_si; /**< \copydoc ::vpx_codec_peek_si_fn_t */
- vpx_codec_decode_fn_t decode; /**< \copydoc ::vpx_codec_decode_fn_t */
- vpx_codec_get_frame_fn_t get_frame; /**< \copydoc ::vpx_codec_get_frame_fn_t */
- } dec;
- struct vpx_codec_enc_iface
- {
- vpx_codec_enc_cfg_map_t *cfg_maps; /**< \copydoc ::vpx_codec_enc_cfg_map_t */
- vpx_codec_encode_fn_t encode; /**< \copydoc ::vpx_codec_encode_fn_t */
- vpx_codec_get_cx_data_fn_t get_cx_data; /**< \copydoc ::vpx_codec_get_cx_data_fn_t */
- vpx_codec_enc_config_set_fn_t cfg_set; /**< \copydoc ::vpx_codec_enc_config_set_fn_t */
- vpx_codec_get_global_headers_fn_t get_glob_hdrs; /**< \copydoc ::vpx_codec_get_global_headers_fn_t */
- vpx_codec_get_preview_frame_fn_t get_preview; /**< \copydoc ::vpx_codec_get_preview_frame_fn_t */
- vpx_codec_enc_mr_get_mem_loc_fn_t mr_get_mem_loc; /**< \copydoc ::vpx_codec_enc_mr_get_mem_loc_fn_t */
- } enc;
+struct vpx_codec_iface {
+ const char *name; /**< Identification String */
+ int abi_version; /**< Implemented ABI version */
+ vpx_codec_caps_t caps; /**< Decoder capabilities */
+ vpx_codec_init_fn_t init; /**< \copydoc ::vpx_codec_init_fn_t */
+ vpx_codec_destroy_fn_t destroy; /**< \copydoc ::vpx_codec_destroy_fn_t */
+ vpx_codec_ctrl_fn_map_t *ctrl_maps; /**< \copydoc ::vpx_codec_ctrl_fn_map_t */
+ vpx_codec_get_mmap_fn_t get_mmap; /**< \copydoc ::vpx_codec_get_mmap_fn_t */
+ vpx_codec_set_mmap_fn_t set_mmap; /**< \copydoc ::vpx_codec_set_mmap_fn_t */
+ struct vpx_codec_dec_iface {
+ vpx_codec_peek_si_fn_t peek_si; /**< \copydoc ::vpx_codec_peek_si_fn_t */
+ vpx_codec_get_si_fn_t get_si; /**< \copydoc ::vpx_codec_get_si_fn_t */
+ vpx_codec_decode_fn_t decode; /**< \copydoc ::vpx_codec_decode_fn_t */
+ vpx_codec_get_frame_fn_t get_frame; /**< \copydoc ::vpx_codec_get_frame_fn_t */
+ } dec;
+ struct vpx_codec_enc_iface {
+ vpx_codec_enc_cfg_map_t *cfg_maps; /**< \copydoc ::vpx_codec_enc_cfg_map_t */
+ vpx_codec_encode_fn_t encode; /**< \copydoc ::vpx_codec_encode_fn_t */
+ vpx_codec_get_cx_data_fn_t get_cx_data; /**< \copydoc ::vpx_codec_get_cx_data_fn_t */
+ vpx_codec_enc_config_set_fn_t cfg_set; /**< \copydoc ::vpx_codec_enc_config_set_fn_t */
+ vpx_codec_get_global_headers_fn_t get_glob_hdrs; /**< \copydoc ::vpx_codec_get_global_headers_fn_t */
+ vpx_codec_get_preview_frame_fn_t get_preview; /**< \copydoc ::vpx_codec_get_preview_frame_fn_t */
+ vpx_codec_enc_mr_get_mem_loc_fn_t mr_get_mem_loc; /**< \copydoc ::vpx_codec_enc_mr_get_mem_loc_fn_t */
+ } enc;
};
/*!\brief Callback function pointer / user data pair storage */
-typedef struct vpx_codec_priv_cb_pair
-{
- union
- {
- vpx_codec_put_frame_cb_fn_t put_frame;
- vpx_codec_put_slice_cb_fn_t put_slice;
- } u;
- void *user_priv;
+typedef struct vpx_codec_priv_cb_pair {
+ union {
+ vpx_codec_put_frame_cb_fn_t put_frame;
+ vpx_codec_put_slice_cb_fn_t put_slice;
+ } u;
+ void *user_priv;
} vpx_codec_priv_cb_pair_t;
@@ -341,27 +335,24 @@ typedef struct vpx_codec_priv_cb_pair
* structure can be made the first member of the algorithm specific structure,
* and the pointer cast to the proper type.
*/
-struct vpx_codec_priv
-{
- unsigned int sz;
- vpx_codec_iface_t *iface;
- struct vpx_codec_alg_priv *alg_priv;
- const char *err_detail;
- vpx_codec_flags_t init_flags;
- struct
- {
- vpx_codec_priv_cb_pair_t put_frame_cb;
- vpx_codec_priv_cb_pair_t put_slice_cb;
- } dec;
- struct
- {
- int tbd;
- struct vpx_fixed_buf cx_data_dst_buf;
- unsigned int cx_data_pad_before;
- unsigned int cx_data_pad_after;
- vpx_codec_cx_pkt_t cx_data_pkt;
- unsigned int total_encoders;
- } enc;
+struct vpx_codec_priv {
+ unsigned int sz;
+ vpx_codec_iface_t *iface;
+ struct vpx_codec_alg_priv *alg_priv;
+ const char *err_detail;
+ vpx_codec_flags_t init_flags;
+ struct {
+ vpx_codec_priv_cb_pair_t put_frame_cb;
+ vpx_codec_priv_cb_pair_t put_slice_cb;
+ } dec;
+ struct {
+ int tbd;
+ struct vpx_fixed_buf cx_data_dst_buf;
+ unsigned int cx_data_pad_before;
+ unsigned int cx_data_pad_after;
+ vpx_codec_cx_pkt_t cx_data_pkt;
+ unsigned int total_encoders;
+ } enc;
};
/*
@@ -377,32 +368,32 @@ struct vpx_codec_priv_enc_mr_cfg
#undef VPX_CTRL_USE_TYPE
#define VPX_CTRL_USE_TYPE(id, typ) \
- static typ id##__value(va_list args) {return va_arg(args, typ);} \
- static typ id##__convert(void *x)\
+ static typ id##__value(va_list args) {return va_arg(args, typ);} \
+ static typ id##__convert(void *x)\
+ {\
+ union\
{\
- union\
- {\
- void *x;\
- typ d;\
- } u;\
- u.x = x;\
- return u.d;\
- }
+ void *x;\
+ typ d;\
+ } u;\
+ u.x = x;\
+ return u.d;\
+ }
#undef VPX_CTRL_USE_TYPE_DEPRECATED
#define VPX_CTRL_USE_TYPE_DEPRECATED(id, typ) \
- static typ id##__value(va_list args) {return va_arg(args, typ);} \
- static typ id##__convert(void *x)\
+ static typ id##__value(va_list args) {return va_arg(args, typ);} \
+ static typ id##__convert(void *x)\
+ {\
+ union\
{\
- union\
- {\
- void *x;\
- typ d;\
- } u;\
- u.x = x;\
- return u.d;\
- }
+ void *x;\
+ typ d;\
+ } u;\
+ u.x = x;\
+ return u.d;\
+ }
#define CAST(id, arg) id##__value(arg)
#define RECAST(id, x) id##__convert(x)
@@ -418,8 +409,8 @@ struct vpx_codec_priv_enc_mr_cfg
* macro is provided to define this getter function automatically.
*/
#define CODEC_INTERFACE(id)\
-vpx_codec_iface_t* id(void) { return &id##_algo; }\
-vpx_codec_iface_t id##_algo
+ vpx_codec_iface_t* id(void) { return &id##_algo; }\
+ vpx_codec_iface_t id##_algo
/* Internal Utility Functions
@@ -427,64 +418,86 @@ vpx_codec_iface_t id##_algo
* The following functions are intended to be used inside algorithms as
* utilities for manipulating vpx_codec_* data structures.
*/
-struct vpx_codec_pkt_list
-{
- unsigned int cnt;
- unsigned int max;
- struct vpx_codec_cx_pkt pkts[1];
+struct vpx_codec_pkt_list {
+ unsigned int cnt;
+ unsigned int max;
+ struct vpx_codec_cx_pkt pkts[1];
};
#define vpx_codec_pkt_list_decl(n)\
- union {struct vpx_codec_pkt_list head;\
- struct {struct vpx_codec_pkt_list head;\
- struct vpx_codec_cx_pkt pkts[n];} alloc;}
+ union {struct vpx_codec_pkt_list head;\
+ struct {struct vpx_codec_pkt_list head;\
+ struct vpx_codec_cx_pkt pkts[n];} alloc;}
#define vpx_codec_pkt_list_init(m)\
- (m)->alloc.head.cnt = 0,\
- (m)->alloc.head.max = sizeof((m)->alloc.pkts) / sizeof((m)->alloc.pkts[0])
+ (m)->alloc.head.cnt = 0,\
+ (m)->alloc.head.max = sizeof((m)->alloc.pkts) / sizeof((m)->alloc.pkts[0])
int
vpx_codec_pkt_list_add(struct vpx_codec_pkt_list *,
const struct vpx_codec_cx_pkt *);
-const vpx_codec_cx_pkt_t*
+const vpx_codec_cx_pkt_t *
vpx_codec_pkt_list_get(struct vpx_codec_pkt_list *list,
vpx_codec_iter_t *iter);
#include <stdio.h>
#include <setjmp.h>
-struct vpx_internal_error_info
-{
- vpx_codec_err_t error_code;
- int has_detail;
- char detail[80];
- int setjmp;
- jmp_buf jmp;
+struct vpx_internal_error_info {
+ vpx_codec_err_t error_code;
+ int has_detail;
+ char detail[80];
+ int setjmp;
+ jmp_buf jmp;
};
static void vpx_internal_error(struct vpx_internal_error_info *info,
vpx_codec_err_t error,
const char *fmt,
- ...)
-{
- va_list ap;
+ ...) {
+ va_list ap;
- info->error_code = error;
- info->has_detail = 0;
+ info->error_code = error;
+ info->has_detail = 0;
- if (fmt)
- {
- size_t sz = sizeof(info->detail);
+ if (fmt) {
+ size_t sz = sizeof(info->detail);
- info->has_detail = 1;
- va_start(ap, fmt);
- vsnprintf(info->detail, sz - 1, fmt, ap);
- va_end(ap);
- info->detail[sz-1] = '\0';
- }
+ info->has_detail = 1;
+ va_start(ap, fmt);
+ vsnprintf(info->detail, sz - 1, fmt, ap);
+ va_end(ap);
+ info->detail[sz - 1] = '\0';
+ }
- if (info->setjmp)
- longjmp(info->jmp, info->error_code);
+ if (info->setjmp)
+ longjmp(info->jmp, info->error_code);
}
+
+//------------------------------------------------------------------------------
+// mmap interface
+
+typedef struct {
+ unsigned int id;
+ unsigned long sz;
+ unsigned int align;
+ unsigned int flags;
+ unsigned long (*calc_sz)(const vpx_codec_dec_cfg_t *, vpx_codec_flags_t);
+} mem_req_t;
+
+// Allocates mmap.priv and sets mmap.base based on mmap.sz/align/flags
+// requirements.
+// Returns #VPX_CODEC_OK on success, #VPX_CODEC_MEM_ERROR otherwise.
+vpx_codec_err_t vpx_mmap_alloc(vpx_codec_mmap_t *mmap);
+
+// Frees mmap.base allocated by a call to vpx_mmap_alloc().
+void vpx_mmap_dtor(vpx_codec_mmap_t *mmap);
+
+// Checks each mmap has the size requirement specificied by mem_reqs.
+// Returns #VPX_CODEC_OK on success, #VPX_CODEC_MEM_ERROR otherwise.
+vpx_codec_err_t vpx_validate_mmaps(const vpx_codec_stream_info_t *si,
+ const vpx_codec_mmap_t *mmaps,
+ const mem_req_t *mem_reqs, int nreqs,
+ vpx_codec_flags_t init_flags);
#endif