/**
* @file
- * external API header
+ * @ingroup libavc
+ * Libavcodec external API header
*/
#include <errno.h>
#include "libavutil/samplefmt.h"
+#include "libavutil/attributes.h"
#include "libavutil/avutil.h"
#include "libavutil/buffer.h"
#include "libavutil/cpu.h"
AV_CODEC_ID_CLLC,
AV_CODEC_ID_MSS2,
AV_CODEC_ID_VP9,
+ AV_CODEC_ID_AIC,
+ AV_CODEC_ID_ESCAPE130,
+ AV_CODEC_ID_G2M,
/* various PCM "codecs" */
AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
AV_CODEC_ID_MLP,
AV_CODEC_ID_GSM_MS, /* as found in WAV */
AV_CODEC_ID_ATRAC3,
+#if FF_API_VOXWARE
AV_CODEC_ID_VOXWARE,
+#endif
AV_CODEC_ID_APE,
AV_CODEC_ID_NELLYMOSER,
AV_CODEC_ID_MUSEPACK8,
AV_CODEC_ID_OPUS,
AV_CODEC_ID_COMFORT_NOISE,
AV_CODEC_ID_TAK,
+ AV_CODEC_ID_METASOUND,
/* subtitle codecs */
AV_CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
Note: Not everything is supported yet.
*/
+/**
+ * Allow decoders to produce frames with data planes that are not aligned
+ * to CPU requirements (e.g. due to cropping).
+ */
+#define CODEC_FLAG_UNALIGNED 0x0001
#define CODEC_FLAG_QSCALE 0x0002 ///< Use fixed qscale.
#define CODEC_FLAG_4MV 0x0004 ///< 4 MV per MB allowed / advanced prediction for H.263.
#define CODEC_FLAG_QPEL 0x0010 ///< Use qpel MC.
* This can be used to prevent truncation of the last audio samples.
*/
#define CODEC_CAP_SMALL_LAST_FRAME 0x0040
+#if FF_API_CAP_VDPAU
/**
* Codec can export data for HW decoding (VDPAU).
*/
#define CODEC_CAP_HWACCEL_VDPAU 0x0080
+#endif
/**
* Codec can output multiple frames per AVPacket
* Normally demuxers return one frame at a time, demuxers which do not do
/**
* picture width / height.
* - encoding: MUST be set by user.
- * - decoding: Set by libavcodec.
- * Note: For compatibility it is possible to set this instead of
- * coded_width/height before decoding.
+ * - decoding: May be set by the user before opening the decoder if known e.g.
+ * from the container. Some decoders will require the dimensions
+ * to be set by the caller. During decoding, the decoder may
+ * overwrite those values as required.
*/
int width, height;
/**
- * Bitstream width / height, may be different from width/height.
+ * Bitstream width / height, may be different from width/height e.g. when
+ * the decoded frame is cropped before being output.
* - encoding: unused
- * - decoding: Set by user before init if known. Codec should override / dynamically change if needed.
+ * - decoding: May be set by the user before opening the decoder if known
+ * e.g. from the container. During decoding, the decoder may
+ * overwrite those values as required.
*/
int coded_width, coded_height;
* - decoding: Set by user.
* @deprecated Deprecated in favor of request_channel_layout.
*/
- int request_channels;
+ attribute_deprecated int request_channels;
#endif
/**
/**
* This callback is called at the beginning of each frame to get data
* buffer(s) for it. There may be one contiguous buffer for all the data or
- * there may be a buffer per each data plane or anything in between. Each
- * buffer must be reference-counted using the AVBuffer API.
+ * there may be a buffer per each data plane or anything in between. What
+ * this means is, you may set however many entries in buf[] you feel necessary.
+ * Each buffer must be reference-counted using the AVBuffer API (see description
+ * of buf[] below).
*
* The following fields will be set in the frame before this callback is
* called:
* extended_data must be allocated with av_malloc() and will be freed in
* av_frame_unref().
* * otherwise exended_data must point to data
- * - buf[] must contain references to the buffers that contain the frame
- * data.
+ * - buf[] must contain one or more pointers to AVBufferRef structures. Each of
+ * the frame's data and extended_data pointers must be contained in these. That
+ * is, one AVBufferRef for each allocated chunk of memory, not necessarily one
+ * AVBufferRef per data[] entry. See: av_buffer_create(), av_buffer_alloc(),
+ * and av_buffer_ref().
* - extended_buf and nb_extended_buf must be allocated with av_malloc() by
* this callback and filled with the extra buffers if there are more
* buffers than buf[] can hold. extended_buf will be freed in
*/
int bits_per_raw_sample;
+#if FF_API_LOWRES
/**
* low resolution decoding, 1-> 1/2 size, 2->1/4 size
* - encoding: unused
* - decoding: Set by user.
+ *
+ * @deprecated use decoder private options instead
*/
attribute_deprecated int lowres;
+#endif
/**
* the picture in the bitstream
#define FF_PROFILE_AAC_HE_V2 28
#define FF_PROFILE_AAC_LD 22
#define FF_PROFILE_AAC_ELD 38
+#define FF_PROFILE_MPEG2_AAC_LOW 128
+#define FF_PROFILE_MPEG2_AAC_HE 131
#define FF_PROFILE_DTS 20
#define FF_PROFILE_DTS_ES 30
#define FF_PROFILE_MPEG4_SIMPLE_STUDIO 14
#define FF_PROFILE_MPEG4_ADVANCED_SIMPLE 15
+#define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_0 0
+#define FF_PROFILE_JPEG2000_CSTREAM_RESTRICTION_1 1
+#define FF_PROFILE_JPEG2000_CSTREAM_NO_RESTRICTION 2
+#define FF_PROFILE_JPEG2000_DCINEMA_2K 3
+#define FF_PROFILE_JPEG2000_DCINEMA_4K 4
+
/**
* level
* - encoding: Set by user.
* @{
*/
+enum AVPictureStructure {
+ AV_PICTURE_STRUCTURE_UNKNOWN, //< unknown
+ AV_PICTURE_STRUCTURE_TOP_FIELD, //< coded as top field
+ AV_PICTURE_STRUCTURE_BOTTOM_FIELD, //< coded as bottom field
+ AV_PICTURE_STRUCTURE_FRAME, //< coded as frame
+};
+
typedef struct AVCodecParserContext {
void *priv_data;
struct AVCodecParser *parser;
* For all other types, this is in units of AVCodecContext.time_base.
*/
int duration;
+
+ enum AVFieldOrder field_order;
+
+ /**
+ * Indicate whether a picture is coded as a frame, top field or bottom field.
+ *
+ * For example, H.264 field_pic_flag equal to 0 corresponds to
+ * AV_PICTURE_STRUCTURE_FRAME. An H.264 picture with field_pic_flag
+ * equal to 1 and bottom_field_flag equal to 0 corresponds to
+ * AV_PICTURE_STRUCTURE_TOP_FIELD.
+ */
+ enum AVPictureStructure picture_structure;
+
+ /**
+ * Picture number incremented in presentation or output order.
+ * This field may be reinitialized at the first picture of a new sequence.
+ *
+ * For example, this corresponds to H.264 PicOrderCnt.
+ */
+ int output_picture_number;
} AVCodecParserContext;
typedef struct AVCodecParser {
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