moonlight-stream/moonlight-ios
1
0
Fork 0
mirror of https://github.com/moonlight-stream/moonlight-ios.git synced 2026-04-13 11:26:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

fixed the ffmpeg build size

Browse Source
This commit is contained in:
Diego Waxemberg
2014-09-17 19:30:52 -04:00
parent 592e5dbe44
commit 0987ef0fa8
51 changed files with 2577 additions and 1249 deletions
Download Patch File Download Diff File Expand all files Collapse all files

319
libs/FFmpeg/include/libavcodec/avcodec.h
View File

@@ -286,6 +286,15 @@ enum AVCodecID {
AV_CODEC_ID_HNM4_VIDEO,
AV_CODEC_ID_HEVC_DEPRECATED,
AV_CODEC_ID_FIC,
AV_CODEC_ID_ALIAS_PIX,
AV_CODEC_ID_BRENDER_PIX_DEPRECATED,
AV_CODEC_ID_PAF_VIDEO_DEPRECATED,
AV_CODEC_ID_EXR_DEPRECATED,
AV_CODEC_ID_VP7_DEPRECATED,
AV_CODEC_ID_SANM_DEPRECATED,
AV_CODEC_ID_SGIRLE_DEPRECATED,
AV_CODEC_ID_MVC1_DEPRECATED,
AV_CODEC_ID_MVC2_DEPRECATED,
AV_CODEC_ID_BRENDER_PIX= MKBETAG('B','P','I','X'),
AV_CODEC_ID_Y41P = MKBETAG('Y','4','1','P'),
@@ -314,6 +323,7 @@ enum AVCodecID {
AV_CODEC_ID_SMVJPEG = MKBETAG('S','M','V','J'),
AV_CODEC_ID_HEVC = MKBETAG('H','2','6','5'),
#define AV_CODEC_ID_H265 AV_CODEC_ID_HEVC
AV_CODEC_ID_VP7 = MKBETAG('V','P','7','0'),
/* various PCM "codecs" */
AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
@@ -382,6 +392,8 @@ enum AVCodecID {
AV_CODEC_ID_ADPCM_IMA_ISS,
AV_CODEC_ID_ADPCM_G722,
AV_CODEC_ID_ADPCM_IMA_APC,
AV_CODEC_ID_ADPCM_VIMA_DEPRECATED,
AV_CODEC_ID_ADPCM_VIMA = MKBETAG('V','I','M','A'),
AV_CODEC_ID_VIMA = MKBETAG('V','I','M','A'),
AV_CODEC_ID_ADPCM_AFC = MKBETAG('A','F','C',' '),
AV_CODEC_ID_ADPCM_IMA_OKI = MKBETAG('O','K','I',' '),
@@ -471,6 +483,8 @@ enum AVCodecID {
AV_CODEC_ID_COMFORT_NOISE,
AV_CODEC_ID_TAK_DEPRECATED,
AV_CODEC_ID_METASOUND,
AV_CODEC_ID_PAF_AUDIO_DEPRECATED,
AV_CODEC_ID_ON2AVC,
AV_CODEC_ID_FFWAVESYNTH = MKBETAG('F','F','W','S'),
AV_CODEC_ID_SONIC = MKBETAG('S','O','N','C'),
AV_CODEC_ID_SONIC_LS = MKBETAG('S','O','N','L'),
@@ -479,6 +493,10 @@ enum AVCodecID {
AV_CODEC_ID_TAK = MKBETAG('t','B','a','K'),
AV_CODEC_ID_EVRC = MKBETAG('s','e','v','c'),
AV_CODEC_ID_SMV = MKBETAG('s','s','m','v'),
AV_CODEC_ID_DSD_LSBF = MKBETAG('D','S','D','L'),
AV_CODEC_ID_DSD_MSBF = MKBETAG('D','S','D','M'),
AV_CODEC_ID_DSD_LSBF_PLANAR = MKBETAG('D','S','D','1'),
AV_CODEC_ID_DSD_MSBF_PLANAR = MKBETAG('D','S','D','8'),
/* subtitle codecs */
AV_CODEC_ID_FIRST_SUBTITLE = 0x17000, ///< A dummy ID pointing at the start of subtitle codecs.
@@ -515,6 +533,7 @@ enum AVCodecID {
AV_CODEC_ID_SMPTE_KLV = MKBETAG('K','L','V','A'),
AV_CODEC_ID_DVD_NAV = MKBETAG('D','N','A','V'),
AV_CODEC_ID_TIMED_ID3 = MKBETAG('T','I','D','3'),
AV_CODEC_ID_BIN_DATA = MKBETAG('D','A','T','A'),
AV_CODEC_ID_PROBE = 0x19000, ///< codec_id is not known (like AV_CODEC_ID_NONE) but lavf should attempt to identify it
@@ -552,6 +571,13 @@ typedef struct AVCodecDescriptor {
* Codec properties, a combination of AV_CODEC_PROP_* flags.
*/
int props;
/**
* MIME type(s) associated with the codec.
* May be NULL; if not, a NULL-terminated array of MIME types.
* The first item is always non-NULL and is the preferred MIME type.
*/
const char *const *mime_types;
} AVCodecDescriptor;
/**
@@ -588,7 +614,7 @@ typedef struct AVCodecDescriptor {
* Note: If the first 23 bits of the additional bytes are not 0, then damaged
* MPEG bitstreams could cause overread and segfault.
*/
#define FF_INPUT_BUFFER_PADDING_SIZE 16
#define FF_INPUT_BUFFER_PADDING_SIZE 32
/**
* @ingroup lavc_encoding
@@ -625,56 +651,11 @@ enum AVDiscard{
AVDISCARD_DEFAULT = 0, ///< discard useless packets like 0 size packets in avi
AVDISCARD_NONREF = 8, ///< discard all non reference
AVDISCARD_BIDIR = 16, ///< discard all bidirectional frames
AVDISCARD_NONINTRA= 24, ///< discard all non intra frames
AVDISCARD_NONKEY = 32, ///< discard all frames except keyframes
AVDISCARD_ALL = 48, ///< discard all
};
enum AVColorPrimaries{
AVCOL_PRI_BT709 = 1, ///< also ITU-R BT1361 / IEC 61966-2-4 / SMPTE RP177 Annex B
AVCOL_PRI_UNSPECIFIED = 2,
AVCOL_PRI_BT470M = 4,
AVCOL_PRI_BT470BG = 5, ///< also ITU-R BT601-6 625 / ITU-R BT1358 625 / ITU-R BT1700 625 PAL & SECAM
AVCOL_PRI_SMPTE170M = 6, ///< also ITU-R BT601-6 525 / ITU-R BT1358 525 / ITU-R BT1700 NTSC
AVCOL_PRI_SMPTE240M = 7, ///< functionally identical to above
AVCOL_PRI_FILM = 8,
AVCOL_PRI_BT2020 = 9, ///< ITU-R BT2020
AVCOL_PRI_NB , ///< Not part of ABI
};
enum AVColorTransferCharacteristic{
AVCOL_TRC_BT709 = 1, ///< also ITU-R BT1361
AVCOL_TRC_UNSPECIFIED = 2,
AVCOL_TRC_GAMMA22 = 4, ///< also ITU-R BT470M / ITU-R BT1700 625 PAL & SECAM
AVCOL_TRC_GAMMA28 = 5, ///< also ITU-R BT470BG
AVCOL_TRC_SMPTE170M = 6, ///< also ITU-R BT601-6 525 or 625 / ITU-R BT1358 525 or 625 / ITU-R BT1700 NTSC
AVCOL_TRC_SMPTE240M = 7,
AVCOL_TRC_LINEAR = 8, ///< "Linear transfer characteristics"
AVCOL_TRC_LOG = 9, ///< "Logarithmic transfer characteristic (100:1 range)"
AVCOL_TRC_LOG_SQRT = 10, ///< "Logarithmic transfer characteristic (100 * Sqrt( 10 ) : 1 range)"
AVCOL_TRC_IEC61966_2_4 = 11, ///< IEC 61966-2-4
AVCOL_TRC_BT1361_ECG = 12, ///< ITU-R BT1361 Extended Colour Gamut
AVCOL_TRC_IEC61966_2_1 = 13, ///< IEC 61966-2-1 (sRGB or sYCC)
AVCOL_TRC_BT2020_10 = 14, ///< ITU-R BT2020 for 10 bit system
AVCOL_TRC_BT2020_12 = 15, ///< ITU-R BT2020 for 12 bit system
AVCOL_TRC_NB , ///< Not part of ABI
};
/**
* X X 3 4 X X are luma samples,
* 1 2 1-6 are possible chroma positions
* X X 5 6 X 0 is undefined/unknown position
*/
enum AVChromaLocation{
AVCHROMA_LOC_UNSPECIFIED = 0,
AVCHROMA_LOC_LEFT = 1, ///< mpeg2/4, h264 default
AVCHROMA_LOC_CENTER = 2, ///< mpeg1, jpeg, h263
AVCHROMA_LOC_TOPLEFT = 3, ///< DV
AVCHROMA_LOC_TOP = 4,
AVCHROMA_LOC_BOTTOMLEFT = 5,
AVCHROMA_LOC_BOTTOM = 6,
AVCHROMA_LOC_NB , ///< Not part of ABI
};
enum AVAudioServiceType {
AV_AUDIO_SERVICE_TYPE_MAIN = 0,
AV_AUDIO_SERVICE_TYPE_EFFECTS = 1,
@@ -719,14 +700,26 @@ typedef struct RcOverride{
#define CODEC_FLAG_4MV 0x0004 ///< 4 MV per MB allowed / advanced prediction for H.263.
#define CODEC_FLAG_OUTPUT_CORRUPT 0x0008 ///< Output even those frames that might be corrupted
#define CODEC_FLAG_QPEL 0x0010 ///< Use qpel MC.
#define CODEC_FLAG_GMC 0x0020 ///< Use GMC.
#define CODEC_FLAG_MV0 0x0040 ///< Always try a MB with MV=<0,0>.
#if FF_API_GMC
/**
* The parent program guarantees that the input for B-frames containing
* streams is not written to for at least s->max_b_frames+1 frames, if
* this is not set the input will be copied.
* @deprecated use the "gmc" private option of the libxvid encoder
*/
#define CODEC_FLAG_GMC 0x0020 ///< Use GMC.
#endif
#if FF_API_MV0
/**
* @deprecated use the flag "mv0" in the "mpv_flags" private option of the
* mpegvideo encoders
*/
#define CODEC_FLAG_MV0 0x0040
#endif
#if FF_API_INPUT_PRESERVED
/**
* @deprecated passing reference-counted frames to the encoders replaces this
* flag
*/
#define CODEC_FLAG_INPUT_PRESERVED 0x0100
#endif
#define CODEC_FLAG_PASS1 0x0200 ///< Use internal 2pass ratecontrol in first pass mode.
#define CODEC_FLAG_PASS2 0x0400 ///< Use internal 2pass ratecontrol in second pass mode.
#define CODEC_FLAG_GRAY 0x2000 ///< Only decode/encode grayscale.
@@ -740,7 +733,13 @@ typedef struct RcOverride{
#define CODEC_FLAG_PSNR 0x8000 ///< error[?] variables will be set during encoding.
#define CODEC_FLAG_TRUNCATED 0x00010000 /** Input bitstream might be truncated at a random
location instead of only at frame boundaries. */
#define CODEC_FLAG_NORMALIZE_AQP 0x00020000 ///< Normalize adaptive quantization.
#if FF_API_NORMALIZE_AQP
/**
* @deprecated use the flag "naq" in the "mpv_flags" private option of the
* mpegvideo encoders
*/
#define CODEC_FLAG_NORMALIZE_AQP 0x00020000
#endif
#define CODEC_FLAG_INTERLACED_DCT 0x00040000 ///< Use interlaced DCT.
#define CODEC_FLAG_LOW_DELAY 0x00080000 ///< Force low delay.
#define CODEC_FLAG_GLOBAL_HEADER 0x00400000 ///< Place global headers in extradata instead of every keyframe.
@@ -1002,6 +1001,21 @@ enum AVPacketSideDataType {
*/
AV_PKT_DATA_H263_MB_INFO,
/**
* This side data should be associated with an audio stream and contains
* ReplayGain information in form of the AVReplayGain struct.
*/
AV_PKT_DATA_REPLAYGAIN,
/**
* This side data contains a 3x3 transformation matrix describing an affine
* transformation that needs to be applied to the decoded video frames for
* correct presentation.
*
* See libavutil/display.h for a detailed description of the data.
*/
AV_PKT_DATA_DISPLAYMATRIX,
/**
* Recommmends skipping the specified number of samples
* @code
@@ -1067,6 +1081,12 @@ enum AVPacketSideDataType {
AV_PKT_DATA_METADATA_UPDATE,
};
typedef struct AVPacketSideData {
uint8_t *data;
int size;
enum AVPacketSideDataType type;
} AVPacketSideData;
/**
* This structure stores compressed data. It is typically exported by demuxers
* and then passed as input to decoders, or received as output from encoders and
@@ -1123,11 +1143,7 @@ typedef struct AVPacket {
* Additional packet data that can be provided by the container.
* Packet can contain several types of side information.
*/
struct {
uint8_t *data;
int size;
enum AVPacketSideDataType type;
} *side_data;
AVPacketSideData *side_data;
int side_data_elems;
/**
@@ -1205,7 +1221,13 @@ typedef struct AVCodecContext {
enum AVMediaType codec_type; /* see AVMEDIA_TYPE_xxx */
const struct AVCodec *codec;
#if FF_API_CODEC_NAME
/**
* @deprecated this field is not used for anything in libavcodec
*/
attribute_deprecated
char codec_name[32];
#endif
enum AVCodecID codec_id; /* see AV_CODEC_ID_xxx */
/**
@@ -1338,12 +1360,17 @@ typedef struct AVCodecContext {
* encoded input.
*
* Audio:
* For encoding, this is the number of "priming" samples added to the
* beginning of the stream. The decoded output will be delayed by this
* many samples relative to the input to the encoder. Note that this
* field is purely informational and does not directly affect the pts
* output by the encoder, which should always be based on the actual
* presentation time, including any delay.
* For encoding, this is the number of "priming" samples added by the
* encoder to the beginning of the stream. The decoded output will be
* delayed by this many samples relative to the input to the encoder (or
* more, if the decoder adds its own padding).
* The timestamps on the output packets are adjusted by the encoder so
* that they always refer to the first sample of the data actually
* contained in the packet, including any added padding.
* E.g. if the timebase is 1/samplerate and the timestamp of the first
* input sample is 0, the timestamp of the first output packet will be
* -delay.
*
* For decoding, this is the number of samples the decoder needs to
* output before the decoder's output is valid. When seeking, you should
* start decoding this many samples prior to your desired seek point.
@@ -2230,7 +2257,7 @@ typedef struct AVCodecContext {
/**
* ratecontrol qmin qmax limiting method
* 0-> clipping, 1-> use a nice continuous function to limit qscale wthin qmin/qmax.
* 0-> clipping, 1-> use a nice continuous function to limit qscale within qmin/qmax.
* - encoding: Set by user.
* - decoding: unused
*/
@@ -2264,7 +2291,7 @@ typedef struct AVCodecContext {
/**
* maximum bitrate
* - encoding: Set by user.
* - decoding: unused
* - decoding: Set by libavcodec.
*/
int rc_max_rate;
@@ -2325,14 +2352,14 @@ typedef struct AVCodecContext {
int context_model;
/**
* minimum Lagrange multipler
* minimum Lagrange multiplier
* - encoding: Set by user.
* - decoding: unused
*/
int lmin;
/**
* maximum Lagrange multipler
* maximum Lagrange multiplier
* - encoding: Set by user.
* - decoding: unused
*/
@@ -2493,6 +2520,7 @@ typedef struct AVCodecContext {
int error_concealment;
#define FF_EC_GUESS_MVS 1
#define FF_EC_DEBLOCK 2
#define FF_EC_FAVOR_INTER 256
/**
* debug
@@ -2524,6 +2552,7 @@ typedef struct AVCodecContext {
#endif
#define FF_DEBUG_BUFFERS 0x00008000
#define FF_DEBUG_THREADS 0x00010000
#define FF_DEBUG_NOMC 0x01000000
#if FF_API_DEBUG_MV
/**
@@ -2556,8 +2585,9 @@ typedef struct AVCodecContext {
#define AV_EF_BUFFER (1<<2) ///< detect improper bitstream length
#define AV_EF_EXPLODE (1<<3) ///< abort decoding on minor error detection
#define AV_EF_IGNORE_ERR (1<<15) ///< ignore errors and continue
#define AV_EF_CAREFUL (1<<16) ///< consider things that violate the spec, are fast to calculate and have not been seen in the wild as errors
#define AV_EF_COMPLIANT (1<<17) ///< consider all spec non compliancies as errors
#define AV_EF_COMPLIANT (1<<17) ///< consider all spec non compliances as errors
#define AV_EF_AGGRESSIVE (1<<18) ///< consider things that a sane encoder should not do as an error
@@ -2621,18 +2651,23 @@ typedef struct AVCodecContext {
#define FF_IDCT_SIMPLEMMX 3
#define FF_IDCT_ARM 7
#define FF_IDCT_ALTIVEC 8
#if FF_API_ARCH_SH4
#define FF_IDCT_SH4 9
#endif
#define FF_IDCT_SIMPLEARM 10
#define FF_IDCT_IPP 13
#define FF_IDCT_XVIDMMX 14
#define FF_IDCT_SIMPLEARMV5TE 16
#define FF_IDCT_SIMPLEARMV6 17
#if FF_API_ARCH_SPARC
#define FF_IDCT_SIMPLEVIS 18
#endif
#define FF_IDCT_FAAN 20
#define FF_IDCT_SIMPLENEON 22
#if FF_API_ARCH_ALPHA
#define FF_IDCT_SIMPLEALPHA 23
#endif
#define FF_IDCT_SIMPLEAUTO 128
/**
* bits per sample/pixel from the demuxer (needed for huffyuv).
@@ -2743,7 +2778,7 @@ typedef struct AVCodecContext {
#endif
/**
* noise vs. sse weight for the nsse comparsion function
* noise vs. sse weight for the nsse comparison function
* - encoding: Set by user.
* - decoding: unused
*/
@@ -2831,6 +2866,7 @@ typedef struct AVCodecContext {
#define FF_PROFILE_HEVC_MAIN 1
#define FF_PROFILE_HEVC_MAIN_10 2
#define FF_PROFILE_HEVC_MAIN_STILL_PICTURE 3
#define FF_PROFILE_HEVC_REXT 4
/**
* level
@@ -2897,6 +2933,21 @@ typedef struct AVCodecContext {
*/
uint64_t vbv_delay;
/**
* Encoding only. Allow encoders to output packets that do not contain any
* encoded data, only side data.
*
* Some encoders need to output such packets, e.g. to update some stream
* parameters at the end of encoding.
*
* All callers are strongly recommended to set this option to 1 and update
* their code to deal with such packets, since this behaviour may become
* always enabled in the future (then this option will be deprecated and
* later removed). To avoid ABI issues when this happens, the callers should
* use AVOptions to set this field.
*/
int side_data_only_packets;
/**
* Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
* Code outside libavcodec should access this field using:
@@ -3164,8 +3215,20 @@ typedef struct AVHWAccel {
*/
int capabilities;
/*****************************************************************
* No fields below this line are part of the public API. They
* may not be used outside of libavcodec and can be changed and
* removed at will.
* New public fields should be added right above.
*****************************************************************
*/
struct AVHWAccel *next;
/**
* Allocate a custom buffer
*/
int (*alloc_frame)(AVCodecContext *avctx, AVFrame *frame);
/**
* Called at the beginning of each frame or field picture.
*
@@ -3208,13 +3271,13 @@ typedef struct AVHWAccel {
int (*end_frame)(AVCodecContext *avctx);
/**
* Size of HW accelerator private data.
* Size of per-frame hardware accelerator private data.
*
* Private data is allocated with av_mallocz() before
* AVCodecContext.get_buffer() and deallocated after
* AVCodecContext.release_buffer().
*/
int priv_data_size;
int frame_priv_data_size;
/**
* Called for every Macroblock in a slice.
@@ -3226,6 +3289,29 @@ typedef struct AVHWAccel {
* @param s the mpeg context
*/
void (*decode_mb)(struct MpegEncContext *s);
/**
* Initialize the hwaccel private data.
*
* This will be called from ff_get_format(), after hwaccel and
* hwaccel_context are set and the hwaccel private data in AVCodecInternal
* is allocated.
*/
int (*init)(AVCodecContext *avctx);
/**
* Uninitialize the hwaccel private data.
*
* This will be called from get_format() or avcodec_close(), after hwaccel
* and hwaccel_context are already uninitialized.
*/
int (*uninit)(AVCodecContext *avctx);
/**
* Size of the private data to allocate in
* AVCodecInternal.hwaccel_priv_data.
*/
int priv_data_size;
} AVHWAccel;
/**
@@ -3350,9 +3436,8 @@ void avcodec_register(AVCodec *codec);
void avcodec_register_all(void);
/**
* Allocate an AVCodecContext and set its fields to default values. The
* resulting struct can be deallocated by calling avcodec_close() on it followed
* by av_free().
* Allocate an AVCodecContext and set its fields to default values. The
* resulting struct should be freed with avcodec_free_context().
*
* @param codec if non-NULL, allocate private data and initialize defaults
* for the given codec. It is illegal to then call avcodec_open2()
@@ -3366,6 +3451,12 @@ void avcodec_register_all(void);
*/
AVCodecContext *avcodec_alloc_context3(const AVCodec *codec);
/**
* Free the codec context and everything associated with it and write NULL to
* the provided pointer.
*/
void avcodec_free_context(AVCodecContext **avctx);
/**
* Set the fields of the given AVCodecContext to default values corresponding
* to the given codec (defaults may be codec-dependent).
@@ -3583,14 +3674,14 @@ int av_dup_packet(AVPacket *pkt);
*
* @return 0 on success, negative AVERROR on fail
*/
int av_copy_packet(AVPacket *dst, AVPacket *src);
int av_copy_packet(AVPacket *dst, const AVPacket *src);
/**
* Copy packet side data
*
* @return 0 on success, negative AVERROR on fail
*/
int av_copy_packet_side_data(AVPacket *dst, AVPacket *src);
int av_copy_packet_side_data(AVPacket *dst, const AVPacket *src);
/**
* Free a packet.
@@ -3679,7 +3770,7 @@ void av_packet_free_side_data(AVPacket *pkt);
*
* @return 0 on success, a negative AVERROR on error.
*/
int av_packet_ref(AVPacket *dst, AVPacket *src);
int av_packet_ref(AVPacket *dst, const AVPacket *src);
/**
* Wipe the packet.
@@ -3715,6 +3806,19 @@ void av_packet_move_ref(AVPacket *dst, AVPacket *src);
*/
int av_packet_copy_props(AVPacket *dst, const AVPacket *src);
/**
* Convert valid timing fields (timestamps / durations) in a packet from one
* timebase to another. Timestamps with unknown values (AV_NOPTS_VALUE) will be
* ignored.
*
* @param pkt packet on which the conversion will be performed
* @param tb_src source timebase, in which the timing fields in pkt are
* expressed
* @param tb_dst destination timebase, to which the timing fields will be
* converted
*/
void av_packet_rescale_ts(AVPacket *pkt, AVRational tb_src, AVRational tb_dst);
/**
* @}
*/
@@ -3983,8 +4087,8 @@ int avcodec_decode_video2(AVCodecContext *avctx, AVFrame *picture,
* marked with CODEC_CAP_DELAY, then no subtitles will be returned.
*
* @param avctx the codec context
* @param[out] sub The AVSubtitle in which the decoded subtitle will be stored, must be
freed with avsubtitle_free if *got_sub_ptr is set.
* @param[out] sub The Preallocated AVSubtitle in which the decoded subtitle will be stored,
* must be freed with avsubtitle_free if *got_sub_ptr is set.
* @param[in,out] got_sub_ptr Zero if no subtitle could be decompressed, otherwise, it is nonzero.
* @param[in] avpkt The input AVPacket containing the input buffer.
*/
@@ -4647,30 +4751,8 @@ void avcodec_get_chroma_sub_sample(enum AVPixelFormat pix_fmt, int *h_shift, int
*/
unsigned int avcodec_pix_fmt_to_codec_tag(enum AVPixelFormat pix_fmt);
#define FF_LOSS_RESOLUTION 0x0001 /**< loss due to resolution change */
#define FF_LOSS_DEPTH 0x0002 /**< loss due to color depth change */
#define FF_LOSS_COLORSPACE 0x0004 /**< loss due to color space conversion */
#define FF_LOSS_ALPHA 0x0008 /**< loss of alpha bits */
#define FF_LOSS_COLORQUANT 0x0010 /**< loss due to color quantization */
#define FF_LOSS_CHROMA 0x0020 /**< loss of chroma (e.g. RGB to gray conversion) */
/**
* Compute what kind of losses will occur when converting from one specific
* pixel format to another.
* When converting from one pixel format to another, information loss may occur.
* For example, when converting from RGB24 to GRAY, the color information will
* be lost. Similarly, other losses occur when converting from some formats to
* other formats. These losses can involve loss of chroma, but also loss of
* resolution, loss of color depth, loss due to the color space conversion, loss
* of the alpha bits or loss due to color quantization.
* avcodec_get_fix_fmt_loss() informs you about the various types of losses
* which will occur when converting from one pixel format to another.
*
* @param[in] dst_pix_fmt destination pixel format
* @param[in] src_pix_fmt source pixel format
* @param[in] has_alpha Whether the source pixel format alpha channel is used.
* @return Combination of flags informing you what kind of losses will occur
* (maximum loss for an invalid dst_pix_fmt).
* @deprecated see av_get_pix_fmt_loss()
*/
int avcodec_get_pix_fmt_loss(enum AVPixelFormat dst_pix_fmt, enum AVPixelFormat src_pix_fmt,
int has_alpha);
@@ -4697,34 +4779,7 @@ enum AVPixelFormat avcodec_find_best_pix_fmt_of_list(const enum AVPixelFormat *p
int has_alpha, int *loss_ptr);
/**
* Find the best pixel format to convert to given a certain source pixel
* format and a selection of two destination pixel formats. When converting from
* one pixel format to another, information loss may occur. For example, when converting
* from RGB24 to GRAY, the color information will be lost. Similarly, other losses occur when
* converting from some formats to other formats. avcodec_find_best_pix_fmt_of_2() selects which of
* the given pixel formats should be used to suffer the least amount of loss.
*
* If one of the destination formats is AV_PIX_FMT_NONE the other pixel format (if valid) will be
* returned.
*
* @code
* src_pix_fmt = AV_PIX_FMT_YUV420P;
* dst_pix_fmt1= AV_PIX_FMT_RGB24;
* dst_pix_fmt2= AV_PIX_FMT_GRAY8;
* dst_pix_fmt3= AV_PIX_FMT_RGB8;
* loss= FF_LOSS_CHROMA; // don't care about chroma loss, so chroma loss will be ignored.
* dst_pix_fmt = avcodec_find_best_pix_fmt_of_2(dst_pix_fmt1, dst_pix_fmt2, src_pix_fmt, alpha, &loss);
* dst_pix_fmt = avcodec_find_best_pix_fmt_of_2(dst_pix_fmt, dst_pix_fmt3, src_pix_fmt, alpha, &loss);
* @endcode
*
* @param[in] dst_pix_fmt1 One of the two destination pixel formats to choose from
* @param[in] dst_pix_fmt2 The other of the two destination pixel formats to choose from
* @param[in] src_pix_fmt Source pixel format
* @param[in] has_alpha Whether the source pixel format alpha channel is used.
* @param[in, out] loss_ptr Combination of loss flags. In: selects which of the losses to ignore, i.e.
* NULL or value of zero means we care about all losses. Out: the loss
* that occurs when converting from src to selected dst pixel format.
* @return The best pixel format to convert to or -1 if none was found.
* @deprecated see av_find_best_pix_fmt_of_2()
*/
enum AVPixelFormat avcodec_find_best_pix_fmt_of_2(enum AVPixelFormat dst_pix_fmt1, enum AVPixelFormat dst_pix_fmt2,
enum AVPixelFormat src_pix_fmt, int has_alpha, int *loss_ptr);
@@ -4918,7 +4973,7 @@ AVBitStreamFilterContext *av_bitstream_filter_init(const char *name);
* @return >= 0 in case of success, or a negative error code in case of failure
*
* If the return value is positive, an output buffer is allocated and
* is availble in *poutbuf, and is distinct from the input buffer.
* is available in *poutbuf, and is distinct from the input buffer.
*
* If the return value is 0, the output buffer is not allocated and
* should be considered identical to the input buffer, or in case