#include <stdint.h>
+#include "libavutil/mathematics.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
typedef struct InternalBuffer {
- int last_pic_num;
- uint8_t *base[4];
- uint8_t *data[4];
- int linesize[4];
+ uint8_t *base[AV_NUM_DATA_POINTERS];
+ uint8_t *data[AV_NUM_DATA_POINTERS];
+ int linesize[AV_NUM_DATA_POINTERS];
int width;
int height;
enum PixelFormat pix_fmt;
+ uint8_t **extended_data;
+ int audio_data_size;
+ int nb_channels;
} InternalBuffer;
typedef struct AVCodecInternal {
* should be freed from the original context only.
*/
int is_copy;
+
+#if FF_API_OLD_DECODE_AUDIO
+ /**
+ * Internal sample count used by avcodec_encode_audio() to fabricate pts.
+ * Can be removed along with avcodec_encode_audio().
+ */
+ int sample_count;
+#endif
+
+ /**
+ * An audio frame with less than required samples has been submitted and
+ * padded with silence. Reject all subsequent frames.
+ */
+ int last_audio_frame;
} AVCodecInternal;
struct AVCodecDefault {
* @param pix_fmt the pixel format to match
* @return the hardware accelerated codec, or NULL if none was found.
*/
-AVHWAccel *ff_find_hwaccel(enum CodecID codec_id, enum PixelFormat pix_fmt);
+AVHWAccel *ff_find_hwaccel(enum AVCodecID codec_id, enum PixelFormat pix_fmt);
/**
* Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
int avpriv_lock_avformat(void);
int avpriv_unlock_avformat(void);
+/**
+ * Maximum size in bytes of extradata.
+ * 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)
+
+/**
+ * Check AVPacket size and/or allocate data.
+ *
+ * Encoders supporting AVCodec.encode2() can use this as a convenience to
+ * ensure the output packet data is large enough, whether provided by the user
+ * or allocated in this function.
+ *
+ * @param avpkt the AVPacket
+ * If avpkt->data is already set, avpkt->size is checked
+ * to ensure it is large enough.
+ * If avpkt->data is NULL, a new buffer is allocated.
+ * avpkt->size is set to the specified size.
+ * All other AVPacket fields will be reset with av_init_packet().
+ * @param size the minimum required packet size
+ * @return 0 on success, negative error code on failure
+ */
+int ff_alloc_packet(AVPacket *avpkt, int size);
+
+/**
+ * Rescale from sample rate to AVCodecContext.time_base.
+ */
+static av_always_inline int64_t ff_samples_to_time_base(AVCodecContext *avctx,
+ int64_t samples)
+{
+ return av_rescale_q(samples, (AVRational){ 1, avctx->sample_rate },
+ avctx->time_base);
+}
+
#endif /* AVCODEC_INTERNAL_H */