* all.
*/
#define FF_CODEC_CAP_INIT_CLEANUP (1 << 1)
-
+/**
+ * Decoders marked with FF_CODEC_CAP_SETS_PKT_DTS want to set
+ * AVFrame.pkt_dts manually. If the flag is set, utils.c won't overwrite
+ * this field. If it's unset, utils.c tries to guess the pkt_dts field
+ * from the input AVPacket.
+ */
+#define FF_CODEC_CAP_SETS_PKT_DTS (1 << 2)
#ifdef DEBUG
# define ff_dlog(ctx, ...) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__)
#else
-# define ff_dlog(ctx, ...) while(0)
+# define ff_dlog(ctx, ...) do { } while (0)
#endif
#ifdef TRACE
# define ff_tlog(ctx, ...) av_log(ctx, AV_LOG_TRACE, __VA_ARGS__)
#else
-# define ff_tlog(ctx, ...) while(0)
+# define ff_tlog(ctx, ...) do { } while (0)
#endif
+#if !FF_API_QUANT_BIAS
+#define FF_DEFAULT_QUANT_BIAS 999999
+#endif
+
#define FF_SANE_NB_CHANNELS 63U
#define FF_SIGNBIT(x) (x >> CHAR_BIT * sizeof(x) - 1)
int samples;
} FramePool;
+typedef struct DecodeSimpleContext {
+ AVPacket *in_pkt;
+ AVFrame *out_frame;
+} DecodeSimpleContext;
+
+typedef struct DecodeFilterContext {
+ AVBSFContext **bsfs;
+ int nb_bsfs;
+} DecodeFilterContext;
+
typedef struct AVCodecInternal {
/**
* Whether the parent AVCodecContext is a copy of the context which had
void *thread_ctx;
+ DecodeSimpleContext ds;
+ DecodeFilterContext filter;
+
/**
- * Current packet as passed into the decoder, to avoid having to pass the
- * packet into every function.
+ * Properties (timestamps+side data) extracted from the last packet passed
+ * for decoding.
*/
- AVPacket *pkt;
+ AVPacket *last_pkt_props;
/**
* hwaccel-specific private data
*/
void *hwaccel_priv_data;
+
+ /**
+ * checks API usage: after codec draining, flush is required to resume operation
+ */
+ int draining;
+
+ /**
+ * buffers for using new encode/decode API through legacy API
+ */
+ AVPacket *buffer_pkt;
+ int buffer_pkt_valid; // encoding: packet without data can be valid
+ AVFrame *buffer_frame;
+ int draining_done;
+ /* set to 1 when the caller is using the old decoding API */
+ int compat_decode;
+ int compat_decode_warned;
+ /* this variable is set by the decoder internals to signal to the old
+ * API compat wrappers the amount of data consumed from the last packet */
+ size_t compat_decode_consumed;
+ /* when a partial packet has been consumed, this stores the remaining size
+ * of the packet (that should be submitted in the next decode call */
+ size_t compat_decode_partial_size;
+ AVFrame *compat_decode_frame;
} AVCodecInternal;
struct AVCodecDefault {
* This value was chosen such that every bit of the buffer is
* addressable by a 32-bit signed integer as used by get_bits.
*/
-#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - FF_INPUT_BUFFER_PADDING_SIZE)
+#define FF_MAX_EXTRADATA_SIZE ((1 << 28) - AV_INPUT_BUFFER_PADDING_SIZE)
/**
* Check AVPacket size and/or allocate data.
*/
int ff_decode_frame_props(AVCodecContext *avctx, AVFrame *frame);
+/**
+ * Add a CPB properties side data to an encoding context.
+ */
+AVCPBProperties *ff_add_cpb_side_data(AVCodecContext *avctx);
+
#endif /* AVCODEC_INTERNAL_H */