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54 ctx->surface = (*env)->NewGlobalRef(env, surface);
81 (*env)->DeleteGlobalRef(env,
ctx->surface);
96 "Releasing output buffer %zd (%p) ts=%"PRId64
" with render=%d [%d pending]\n",
112 "Rendering output buffer %zd (%p) ts=%"PRId64
" with time=%"PRId64
" [%d pending]\n",
void * hwaccel_context
Legacy hardware accelerator context.
Filter the word “frame” indicates either a video frame or a group of audio as stored in an AVFrame structure Format for each input and each output the list of supported formats For video that means pixel format For audio that means channel sample they are references to shared objects When the negotiation mechanism computes the intersection of the formats supported at each end of a all references to both lists are replaced with a reference to the intersection And when a single format is eventually chosen for a link amongst the remaining all references to the list are updated That means that if a filter requires that its input and output have the same format amongst a supported all it has to do is use a reference to the same list of formats query_formats can leave some formats unset and return AVERROR(EAGAIN) to cause the negotiation mechanism toagain later. That can be used by filters with complex requirements to use the format negotiated on one link to set the formats supported on another. Frame references ownership and permissions
#define atomic_fetch_add(object, operand)
int64_t pts
Presentation timestamp in time_base units (time when frame should be shown to user).
#define atomic_fetch_sub(object, operand)
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
#define atomic_load(object)
This structure holds a reference to a android/view/Surface object that will be used as output by the ...
#define AVERROR_EXTERNAL
Generic error in an external library.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
main external API structure.
the frame and frame reference mechanism is intended to as much as expensive copies of that data while still allowing the filters to produce correct results The data is stored in buffers represented by AVFrame structures Several references can point to the same frame buffer
JNIEnv * ff_jni_get_env(void *log_ctx)