@@ -15,6 +15,9 @@ libavutil: 2017-10-21
API changes, most recent first:
+2020-xx-xx - xxxxxxxxxx - lavc 58.79.100 - avcodec.h codec_par.h
+ Move AVCodecParameters-related public API to new header codec_par.h.
+
2020-xx-xx - xxxxxxxxxx - lavc 58.78.100 - avcodec.h codec_desc.h codec_id.h packet.h
Move AVCodecDesc-related public API to new header codec_desc.h.
Move AVCodecID enum to new header codec_id.h.
@@ -8,6 +8,7 @@ HEADERS = ac3_parser.h \
avfft.h \
codec_desc.h \
codec_id.h \
+ codec_par.h \
d3d11va.h \
dirac.h \
dv_profile.h \
@@ -42,6 +42,7 @@
#include "libavutil/rational.h"
#include "codec_desc.h"
+#include "codec_par.h"
#include "codec_id.h"
#include "packet.h"
#include "version.h"
@@ -624,15 +625,6 @@ typedef struct AVProducerReferenceTime {
struct AVCodecInternal;
-enum AVFieldOrder {
- AV_FIELD_UNKNOWN,
- AV_FIELD_PROGRESSIVE,
- AV_FIELD_TT, //< Top coded_first, top displayed first
- AV_FIELD_BB, //< Bottom coded first, bottom displayed first
- AV_FIELD_TB, //< Top coded first, bottom displayed first
- AV_FIELD_BT, //< Bottom coded first, top displayed first
-};
-
/**
* main external API structure.
* New fields can be added to the end with minor version bumps.
@@ -3040,164 +3032,6 @@ typedef struct AVSubtitle {
int64_t pts; ///< Same as packet pts, in AV_TIME_BASE
} AVSubtitle;
-/**
- * This struct describes the properties of an encoded stream.
- *
- * sizeof(AVCodecParameters) is not a part of the public ABI, this struct must
- * be allocated with avcodec_parameters_alloc() and freed with
- * avcodec_parameters_free().
- */
-typedef struct AVCodecParameters {
- /**
- * General type of the encoded data.
- */
- enum AVMediaType codec_type;
- /**
- * Specific type of the encoded data (the codec used).
- */
- enum AVCodecID codec_id;
- /**
- * Additional information about the codec (corresponds to the AVI FOURCC).
- */
- uint32_t codec_tag;
-
- /**
- * Extra binary data needed for initializing the decoder, codec-dependent.
- *
- * Must be allocated with av_malloc() and will be freed by
- * avcodec_parameters_free(). The allocated size of extradata must be at
- * least extradata_size + AV_INPUT_BUFFER_PADDING_SIZE, with the padding
- * bytes zeroed.
- */
- uint8_t *extradata;
- /**
- * Size of the extradata content in bytes.
- */
- int extradata_size;
-
- /**
- * - video: the pixel format, the value corresponds to enum AVPixelFormat.
- * - audio: the sample format, the value corresponds to enum AVSampleFormat.
- */
- int format;
-
- /**
- * The average bitrate of the encoded data (in bits per second).
- */
- int64_t bit_rate;
-
- /**
- * The number of bits per sample in the codedwords.
- *
- * This is basically the bitrate per sample. It is mandatory for a bunch of
- * formats to actually decode them. It's the number of bits for one sample in
- * the actual coded bitstream.
- *
- * This could be for example 4 for ADPCM
- * For PCM formats this matches bits_per_raw_sample
- * Can be 0
- */
- int bits_per_coded_sample;
-
- /**
- * This is the number of valid bits in each output sample. If the
- * sample format has more bits, the least significant bits are additional
- * padding bits, which are always 0. Use right shifts to reduce the sample
- * to its actual size. For example, audio formats with 24 bit samples will
- * have bits_per_raw_sample set to 24, and format set to AV_SAMPLE_FMT_S32.
- * To get the original sample use "(int32_t)sample >> 8"."
- *
- * For ADPCM this might be 12 or 16 or similar
- * Can be 0
- */
- int bits_per_raw_sample;
-
- /**
- * Codec-specific bitstream restrictions that the stream conforms to.
- */
- int profile;
- int level;
-
- /**
- * Video only. The dimensions of the video frame in pixels.
- */
- int width;
- int height;
-
- /**
- * Video only. The aspect ratio (width / height) which a single pixel
- * should have when displayed.
- *
- * When the aspect ratio is unknown / undefined, the numerator should be
- * set to 0 (the denominator may have any value).
- */
- AVRational sample_aspect_ratio;
-
- /**
- * Video only. The order of the fields in interlaced video.
- */
- enum AVFieldOrder field_order;
-
- /**
- * Video only. Additional colorspace characteristics.
- */
- enum AVColorRange color_range;
- enum AVColorPrimaries color_primaries;
- enum AVColorTransferCharacteristic color_trc;
- enum AVColorSpace color_space;
- enum AVChromaLocation chroma_location;
-
- /**
- * Video only. Number of delayed frames.
- */
- int video_delay;
-
- /**
- * Audio only. The channel layout bitmask. May be 0 if the channel layout is
- * unknown or unspecified, otherwise the number of bits set must be equal to
- * the channels field.
- */
- uint64_t channel_layout;
- /**
- * Audio only. The number of audio channels.
- */
- int channels;
- /**
- * Audio only. The number of audio samples per second.
- */
- int sample_rate;
- /**
- * Audio only. The number of bytes per coded audio frame, required by some
- * formats.
- *
- * Corresponds to nBlockAlign in WAVEFORMATEX.
- */
- int block_align;
- /**
- * Audio only. Audio frame size, if known. Required by some formats to be static.
- */
- int frame_size;
-
- /**
- * Audio only. The amount of padding (in samples) inserted by the encoder at
- * the beginning of the audio. I.e. this number of leading decoded samples
- * must be discarded by the caller to get the original audio without leading
- * padding.
- */
- int initial_padding;
- /**
- * Audio only. The amount of padding (in samples) appended by the encoder to
- * the end of the audio. I.e. this number of decoded samples must be
- * discarded by the caller from the end of the stream to get the original
- * audio without any trailing padding.
- */
- int trailing_padding;
- /**
- * Audio only. Number of samples to skip after a discontinuity.
- */
- int seek_preroll;
-} AVCodecParameters;
-
/**
* Iterate over all registered codecs.
*
@@ -3336,27 +3170,6 @@ attribute_deprecated
int avcodec_copy_context(AVCodecContext *dest, const AVCodecContext *src);
#endif
-/**
- * Allocate a new AVCodecParameters and set its fields to default values
- * (unknown/invalid/0). The returned struct must be freed with
- * avcodec_parameters_free().
- */
-AVCodecParameters *avcodec_parameters_alloc(void);
-
-/**
- * Free an AVCodecParameters instance and everything associated with it and
- * write NULL to the supplied pointer.
- */
-void avcodec_parameters_free(AVCodecParameters **par);
-
-/**
- * Copy the contents of src to dst. Any allocated fields in dst are freed and
- * replaced with newly allocated duplicates of the corresponding fields in src.
- *
- * @return >= 0 on success, a negative AVERROR code on failure.
- */
-int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src);
-
/**
* Fill the parameters struct based on the values from the supplied codec
* context. Any allocated fields in par are freed and replaced with duplicates
new file mode 100644
@@ -0,0 +1,229 @@
+/*
+ * Codec parameters public API
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_CODEC_PAR_H
+#define AVCODEC_CODEC_PAR_H
+
+#include <stdint.h>
+
+#include "libavutil/avutil.h"
+#include "libavutil/rational.h"
+#include "libavutil/pixfmt.h"
+
+#include "codec_id.h"
+
+/**
+ * @addtogroup lavc_core
+ */
+
+enum AVFieldOrder {
+ AV_FIELD_UNKNOWN,
+ AV_FIELD_PROGRESSIVE,
+ AV_FIELD_TT, //< Top coded_first, top displayed first
+ AV_FIELD_BB, //< Bottom coded first, bottom displayed first
+ AV_FIELD_TB, //< Top coded first, bottom displayed first
+ AV_FIELD_BT, //< Bottom coded first, top displayed first
+};
+
+/**
+ * This struct describes the properties of an encoded stream.
+ *
+ * sizeof(AVCodecParameters) is not a part of the public ABI, this struct must
+ * be allocated with avcodec_parameters_alloc() and freed with
+ * avcodec_parameters_free().
+ */
+typedef struct AVCodecParameters {
+ /**
+ * General type of the encoded data.
+ */
+ enum AVMediaType codec_type;
+ /**
+ * Specific type of the encoded data (the codec used).
+ */
+ enum AVCodecID codec_id;
+ /**
+ * Additional information about the codec (corresponds to the AVI FOURCC).
+ */
+ uint32_t codec_tag;
+
+ /**
+ * Extra binary data needed for initializing the decoder, codec-dependent.
+ *
+ * Must be allocated with av_malloc() and will be freed by
+ * avcodec_parameters_free(). The allocated size of extradata must be at
+ * least extradata_size + AV_INPUT_BUFFER_PADDING_SIZE, with the padding
+ * bytes zeroed.
+ */
+ uint8_t *extradata;
+ /**
+ * Size of the extradata content in bytes.
+ */
+ int extradata_size;
+
+ /**
+ * - video: the pixel format, the value corresponds to enum AVPixelFormat.
+ * - audio: the sample format, the value corresponds to enum AVSampleFormat.
+ */
+ int format;
+
+ /**
+ * The average bitrate of the encoded data (in bits per second).
+ */
+ int64_t bit_rate;
+
+ /**
+ * The number of bits per sample in the codedwords.
+ *
+ * This is basically the bitrate per sample. It is mandatory for a bunch of
+ * formats to actually decode them. It's the number of bits for one sample in
+ * the actual coded bitstream.
+ *
+ * This could be for example 4 for ADPCM
+ * For PCM formats this matches bits_per_raw_sample
+ * Can be 0
+ */
+ int bits_per_coded_sample;
+
+ /**
+ * This is the number of valid bits in each output sample. If the
+ * sample format has more bits, the least significant bits are additional
+ * padding bits, which are always 0. Use right shifts to reduce the sample
+ * to its actual size. For example, audio formats with 24 bit samples will
+ * have bits_per_raw_sample set to 24, and format set to AV_SAMPLE_FMT_S32.
+ * To get the original sample use "(int32_t)sample >> 8"."
+ *
+ * For ADPCM this might be 12 or 16 or similar
+ * Can be 0
+ */
+ int bits_per_raw_sample;
+
+ /**
+ * Codec-specific bitstream restrictions that the stream conforms to.
+ */
+ int profile;
+ int level;
+
+ /**
+ * Video only. The dimensions of the video frame in pixels.
+ */
+ int width;
+ int height;
+
+ /**
+ * Video only. The aspect ratio (width / height) which a single pixel
+ * should have when displayed.
+ *
+ * When the aspect ratio is unknown / undefined, the numerator should be
+ * set to 0 (the denominator may have any value).
+ */
+ AVRational sample_aspect_ratio;
+
+ /**
+ * Video only. The order of the fields in interlaced video.
+ */
+ enum AVFieldOrder field_order;
+
+ /**
+ * Video only. Additional colorspace characteristics.
+ */
+ enum AVColorRange color_range;
+ enum AVColorPrimaries color_primaries;
+ enum AVColorTransferCharacteristic color_trc;
+ enum AVColorSpace color_space;
+ enum AVChromaLocation chroma_location;
+
+ /**
+ * Video only. Number of delayed frames.
+ */
+ int video_delay;
+
+ /**
+ * Audio only. The channel layout bitmask. May be 0 if the channel layout is
+ * unknown or unspecified, otherwise the number of bits set must be equal to
+ * the channels field.
+ */
+ uint64_t channel_layout;
+ /**
+ * Audio only. The number of audio channels.
+ */
+ int channels;
+ /**
+ * Audio only. The number of audio samples per second.
+ */
+ int sample_rate;
+ /**
+ * Audio only. The number of bytes per coded audio frame, required by some
+ * formats.
+ *
+ * Corresponds to nBlockAlign in WAVEFORMATEX.
+ */
+ int block_align;
+ /**
+ * Audio only. Audio frame size, if known. Required by some formats to be static.
+ */
+ int frame_size;
+
+ /**
+ * Audio only. The amount of padding (in samples) inserted by the encoder at
+ * the beginning of the audio. I.e. this number of leading decoded samples
+ * must be discarded by the caller to get the original audio without leading
+ * padding.
+ */
+ int initial_padding;
+ /**
+ * Audio only. The amount of padding (in samples) appended by the encoder to
+ * the end of the audio. I.e. this number of decoded samples must be
+ * discarded by the caller from the end of the stream to get the original
+ * audio without any trailing padding.
+ */
+ int trailing_padding;
+ /**
+ * Audio only. Number of samples to skip after a discontinuity.
+ */
+ int seek_preroll;
+} AVCodecParameters;
+
+/**
+ * Allocate a new AVCodecParameters and set its fields to default values
+ * (unknown/invalid/0). The returned struct must be freed with
+ * avcodec_parameters_free().
+ */
+AVCodecParameters *avcodec_parameters_alloc(void);
+
+/**
+ * Free an AVCodecParameters instance and everything associated with it and
+ * write NULL to the supplied pointer.
+ */
+void avcodec_parameters_free(AVCodecParameters **par);
+
+/**
+ * Copy the contents of src to dst. Any allocated fields in dst are freed and
+ * replaced with newly allocated duplicates of the corresponding fields in src.
+ *
+ * @return >= 0 on success, a negative AVERROR code on failure.
+ */
+int avcodec_parameters_copy(AVCodecParameters *dst, const AVCodecParameters *src);
+
+
+/**
+ * @}
+ */
+
+#endif // AVCODEC_CODEC_PAR_H
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 58
-#define LIBAVCODEC_VERSION_MINOR 78
+#define LIBAVCODEC_VERSION_MINOR 79
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \