#include <stdint.h>
+#include "libavutil/mathematics.h"
#include "libavutil/pixfmt.h"
#include "avcodec.h"
+#define FF_SANE_NB_CHANNELS 128U
+
typedef struct InternalBuffer {
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;
+ enum AVPixelFormat pix_fmt;
} InternalBuffer;
typedef struct AVCodecInternal {
*/
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;
+
+ /**
+ * The data for the last allocated audio frame.
+ * Stored here so we can free it.
+ */
+ uint8_t *audio_data;
} AVCodecInternal;
struct AVCodecDefault {
const uint8_t *value;
};
-/**
- * Determine whether pix_fmt is a hardware accelerated format.
- */
-int ff_is_hwaccel_pix_fmt(enum PixelFormat pix_fmt);
-
/**
* Return the hardware accelerated codec for codec codec_id and
* pixel format pix_fmt.
* @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 AVPixelFormat pix_fmt);
/**
* Return the index into tab at which {a,b} match elements {[0],[1]} of tab.
*/
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);
+}
+
+/**
+ * Get a buffer for a frame. This is a wrapper around
+ * AVCodecContext.get_buffer() and should be used instead calling get_buffer()
+ * directly.
+ */
+int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame);
+
#endif /* AVCODEC_INTERNAL_H */