[FFmpeg-devel] [PATCH v3 3/5] avcodec/avs2_parser: parse more info
"zhilizhao(赵志立)"
quinkblack at foxmail.com
Tue Jun 21 11:28:37 EEST 2022
> On Jun 21, 2022, at 4:25 PM, zhilizhao(赵志立) <quinkblack at foxmail.com> wrote:
>
>> On Jun 21, 2022, at 10:45 AM, hwren <hwrenx at 126.com> wrote:
>>
>> At 2022-06-13 11:36:34, "Zhao Zhili" <quinkblack at foxmail.com> wrote:
>>> Including video resolution, framerate and picture type, etc.
>>>
>>> Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>
>>> ---
>>> libavcodec/Makefile | 2 +-
>>> libavcodec/avs2.c | 42 ++++++++++++++++
>>> libavcodec/avs2.h | 10 ++++
>>> libavcodec/avs2_parser.c | 105 +++++++++++++++++++++++++++++++++++++++
>>> 4 files changed, 158 insertions(+), 1 deletion(-)
>>> create mode 100644 libavcodec/avs2.c
>>>
>>> diff --git a/libavcodec/Makefile b/libavcodec/Makefile
>>> index 3b8f7b5e01..6cc6f8437c 100644
>>> --- a/libavcodec/Makefile
>>> +++ b/libavcodec/Makefile
>>> @@ -1114,7 +1114,7 @@ OBJS-$(CONFIG_AC3_PARSER) += aac_ac3_parser.o ac3tab.o \
>>> OBJS-$(CONFIG_ADX_PARSER) += adx_parser.o adx.o
>>> OBJS-$(CONFIG_AMR_PARSER) += amr_parser.o
>>> OBJS-$(CONFIG_AV1_PARSER) += av1_parser.o
>>> -OBJS-$(CONFIG_AVS2_PARSER) += avs2_parser.o
>>> +OBJS-$(CONFIG_AVS2_PARSER) += avs2.o avs2_parser.o
>>> OBJS-$(CONFIG_AVS3_PARSER) += avs3_parser.o
>>> OBJS-$(CONFIG_BMP_PARSER) += bmp_parser.o
>>> OBJS-$(CONFIG_CAVSVIDEO_PARSER) += cavs_parser.o
>>> diff --git a/libavcodec/avs2.c b/libavcodec/avs2.c
>>> new file mode 100644
>>> index 0000000000..ead8687d0a
>>> --- /dev/null
>>> +++ b/libavcodec/avs2.c
>>> @@ -0,0 +1,42 @@
>>> +/*
>>> + * AVS2 related definitions
>>> + *
>>> + * Copyright (C) 2022 Zhao Zhili, <zhilizhao at tencent.com>
>>> + *
>>> + * 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
>>> + */
>>> +
>>> +#include "avs2.h"
>>> +
>>> +const AVRational ff_avs2_frame_rate_tab[16] = {
>>> + { 0 , 0 }, // forbid
>>> + { 24000, 1001},
>>> + { 24 , 1 },
>>> + { 25 , 1 },
>>> + { 30000, 1001},
>>> + { 30 , 1 },
>>> + { 50 , 1 },
>>> + { 60000, 1001},
>>> + { 60 , 1 },
>>> + { 100 , 1 },
>>> + { 120 , 1 },
>>> + { 200 , 1 },
>>> + { 240 , 1 },
>>> + { 300 , 1 },
>>> + { 0 , 0 }, // reserved
>>> + { 0 , 0 } // reserved
>>> +};
>>
>> That table seems to appear only in avs2 decoder. If so, they are supposed to be declared in libdavs2.c.
>> If not, please point out the usage of this separate source file.
>
> It’s used in this patch, parse_avs2_seq_header().
>
>>
>> Persionally, the frame_rate table can be used in both encoder and decoder. So it is what should be
>> defined in the avs2.h (with related enc/dec changes).
>
> It’s declared in avs2.h, so it can be used by enc/dec.
> It’s defined in .c to reduce binary size.
>
>>
>>> diff --git a/libavcodec/avs2.h b/libavcodec/avs2.h
>>> index f342ba52a0..544cf502d7 100644
>>> --- a/libavcodec/avs2.h
>>> +++ b/libavcodec/avs2.h
>>> @@ -23,6 +23,8 @@
>>> #ifndef AVCODEC_AVS2_H
>>> #define AVCODEC_AVS2_H
>>>
>>> +#include "libavutil/rational.h"
>>> +
>>> #define AVS2_SLICE_MAX_START_CODE 0x000001AF
>>>
>>> enum {
>>> @@ -38,4 +40,12 @@ enum {
>>> #define AVS2_ISPIC(x) ((x) == AVS2_INTRA_PIC_START_CODE || (x) == AVS2_INTER_PIC_START_CODE)
>>> #define AVS2_ISUNIT(x) ((x) == AVS2_SEQ_START_CODE || AVS2_ISPIC(x))
>>>
>>
>> Same as above. Mentioned definitions now are only used in avs2_parser.c. If so, they are supposed to be
>> kept in avs2_parser.c.
>
> It’s not the same as ff_avs2_frame_rate_tab. Firstly, define enum
> and macros doesn’t generate binary. Secondly, they are be used
> by avs2 parser/decoder/encoder and so on, the same as avs3.h.
I mean they ‘can’ be used by avs2 parser/decoder/encoder.
>
> They are only used by avs2 parser now, but they are handy when debug
> decoder, for example, and future proof.
>
>>
>>
>>> +enum AVS2Profile {
>>> + AVS2_PROFILE_MAIN_PIC = 0x12,
>>> + AVS2_PROFILE_MAIN = 0x20,
>>> + AVS2_PROFILE_MAIN10 = 0x22,
>>> +};
>>
>> Not mentioned elsewhere. If they are to work in the encoder/decoder, please package them with related changes.
>
> AVS2_PROFILE_MAIN10 is used in this patch.
>
>>
>>> +
>>> +extern const AVRational ff_avs2_frame_rate_tab[16];
>>> +
>>> #endif
>>> diff --git a/libavcodec/avs2_parser.c b/libavcodec/avs2_parser.c
>>> index 71cf442903..0350517493 100644
>>> --- a/libavcodec/avs2_parser.c
>>> +++ b/libavcodec/avs2_parser.c
>>> @@ -19,7 +19,9 @@
>>> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>>> */
>>>
>>> +#include "libavutil/avutil.h"
>>> #include "avs2.h"
>>> +#include "get_bits.h"
>>> #include "parser.h"
>>>
>>> static int avs2_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size)
>>> @@ -58,6 +60,107 @@ static int avs2_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_siz
>>> return END_NOT_FOUND;
>>> }
>>>
>>> +static void parse_avs2_seq_header(AVCodecParserContext *s, const uint8_t *buf,
>>> + int buf_size, AVCodecContext *avctx)
>>> +{
>>> + GetBitContext gb;
>>> + int profile, level;
>>> + int width, height;
>>> + int chroma, sample_precision, encoding_precision = 1;
>>> + // sample_precision and encoding_precision is 3 bits
>>> + static const uint8_t precision[8] = { 0, 8, 10 };
>>> + unsigned aspect_ratio;
>>> + unsigned frame_rate_code;
>>> + int low_delay;
>>> + // update buf_size_min if parse more deeper
>>> + const int buf_size_min = 15;
>>> +
>>> + if (buf_size < buf_size_min)
>>> + return;
>>> +
>>> + init_get_bits8(&gb, buf, buf_size_min);
>>> +
>>> + s->key_frame = 1;
>>> + s->pict_type = AV_PICTURE_TYPE_I;
>>> +
>>> + profile = get_bits(&gb, 8);
>>> + level = get_bits(&gb, 8);
>>> +
>>> + // progressive_sequence u(1)
>>> + // field_coded_sequence u(1)
>>> + skip_bits(&gb, 2);
>>> +
>>> + width = get_bits(&gb, 14);
>>> + height = get_bits(&gb, 14);
>>> +
>>> + chroma = get_bits(&gb, 2);
>>> + sample_precision = get_bits(&gb, 3);
>>> + if (profile == AVS2_PROFILE_MAIN10)
>>> + encoding_precision = get_bits(&gb, 3);
>>> +
>>> + aspect_ratio = get_bits(&gb, 4);
>>> + frame_rate_code = get_bits(&gb, 4);
>>> +
>>> + // bit_rate_lower u(18)
>>> + // marker_bit f(1)
>>> + // bit_rate_upper u(12)
>>> + skip_bits(&gb, 31);
>>> +
>>> + low_delay = get_bits(&gb, 1);
>>> +
>>> + s->width = width;
>>> + s->height = height;
>>> + s->coded_width = FFALIGN(width, 8);
>>> + s->coded_height = FFALIGN(height, 8);
>>> + avctx->framerate.num = avctx->time_base.den =
>>> + ff_avs2_frame_rate_tab[frame_rate_code].num;
>>> + avctx->framerate.den = avctx->time_base.num =
>>> + ff_avs2_frame_rate_tab[frame_rate_code].den;
>>> + avctx->has_b_frames = FFMAX(avctx->has_b_frames, !low_delay);
>>> +
>>> + av_log(avctx, AV_LOG_DEBUG,
>>> + "AVS2 parse seq HDR: profile %x, level %x, "
>>> + "width %d, height %d, "
>>> + "chroma %d, sample_precision %d bits, encoding_precision %d bits, "
>>> + "aspect_ratio 0x%x, framerate %d/%d, low_delay %d\n",
>>> + profile, level,
>>> + width, height,
>>> + chroma, precision[sample_precision], precision[encoding_precision],
>>> + aspect_ratio, avctx->framerate.num, avctx->framerate.den, low_delay);
>>> +}
>>> +
>>> +static void parse_avs2_units(AVCodecParserContext *s, const uint8_t *buf,
>>> + int buf_size, AVCodecContext *avctx)
>>> +{
>>> + if (buf_size < 5)
>>> + return;
>>> +
>>> + if (!(buf[0] == 0x0 && buf[1] == 0x0 && buf[2] == 0x1))
>>> + return;
>>> +
>>> + switch (buf[3]) {
>>> + case AVS2_SEQ_START_CODE:
>>> + parse_avs2_seq_header(s, buf + 4, buf_size - 4, avctx);
>>> + return;
>>> + case AVS2_INTRA_PIC_START_CODE:
>>> + s->key_frame = 1;
>>> + s->pict_type = AV_PICTURE_TYPE_I;
>>> + return;
>>> + case AVS2_INTER_PIC_START_CODE:
>>> + s->key_frame = 0;
>>> + if (buf_size > 9) {
>>> + int pic_code_type = buf[8] & 0x3;
>>> + if (pic_code_type == 1)
>>> + s->pict_type = AV_PICTURE_TYPE_P;
>>> + else if (pic_code_type == 3)
>>> + s->pict_type = AV_PICTURE_TYPE_S;
>>> + else
>>> + s->pict_type = AV_PICTURE_TYPE_B;
>>> + }
>>> + return;
>>> + }
>>> +}
>>> +
>>> static int avs2_parse(AVCodecParserContext *s, AVCodecContext *avctx,
>>> const uint8_t **poutbuf, int *poutbuf_size,
>>> const uint8_t *buf, int buf_size)
>>> @@ -76,6 +179,8 @@ static int avs2_parse(AVCodecParserContext *s, AVCodecContext *avctx,
>>> }
>>> }
>>>
>>> + parse_avs2_units(s, buf, buf_size, avctx);
>>> +
>>> *poutbuf = buf;
>>> *poutbuf_size = buf_size;
>>>
>>> --
>>> 2.35.3
>>
>>
>> Best Regards,
>> Huiwen Ren
>>
>>>
>>> _______________________________________________
>>> ffmpeg-devel mailing list
>>> ffmpeg-devel at ffmpeg.org
>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>
>>> To unsubscribe, visit link above, or email
>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>
>>
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>> To unsubscribe, visit link above, or email
>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>
>> On Jun 21, 2022, at 10:45 AM, hwren <hwrenx at 126.com> wrote:
>>
>> At 2022-06-13 11:36:34, "Zhao Zhili" <quinkblack at foxmail.com> wrote:
>>> Including video resolution, framerate and picture type, etc.
>>>
>>> Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>
>>> ---
>>> libavcodec/Makefile | 2 +-
>>> libavcodec/avs2.c | 42 ++++++++++++++++
>>> libavcodec/avs2.h | 10 ++++
>>> libavcodec/avs2_parser.c | 105 +++++++++++++++++++++++++++++++++++++++
>>> 4 files changed, 158 insertions(+), 1 deletion(-)
>>> create mode 100644 libavcodec/avs2.c
>>>
>>> diff --git a/libavcodec/Makefile b/libavcodec/Makefile
>>> index 3b8f7b5e01..6cc6f8437c 100644
>>> --- a/libavcodec/Makefile
>>> +++ b/libavcodec/Makefile
>>> @@ -1114,7 +1114,7 @@ OBJS-$(CONFIG_AC3_PARSER) += aac_ac3_parser.o ac3tab.o \
>>> OBJS-$(CONFIG_ADX_PARSER) += adx_parser.o adx.o
>>> OBJS-$(CONFIG_AMR_PARSER) += amr_parser.o
>>> OBJS-$(CONFIG_AV1_PARSER) += av1_parser.o
>>> -OBJS-$(CONFIG_AVS2_PARSER) += avs2_parser.o
>>> +OBJS-$(CONFIG_AVS2_PARSER) += avs2.o avs2_parser.o
>>> OBJS-$(CONFIG_AVS3_PARSER) += avs3_parser.o
>>> OBJS-$(CONFIG_BMP_PARSER) += bmp_parser.o
>>> OBJS-$(CONFIG_CAVSVIDEO_PARSER) += cavs_parser.o
>>> diff --git a/libavcodec/avs2.c b/libavcodec/avs2.c
>>> new file mode 100644
>>> index 0000000000..ead8687d0a
>>> --- /dev/null
>>> +++ b/libavcodec/avs2.c
>>> @@ -0,0 +1,42 @@
>>> +/*
>>> + * AVS2 related definitions
>>> + *
>>> + * Copyright (C) 2022 Zhao Zhili, <zhilizhao at tencent.com>
>>> + *
>>> + * 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
>>> + */
>>> +
>>> +#include "avs2.h"
>>> +
>>> +const AVRational ff_avs2_frame_rate_tab[16] = {
>>> + { 0 , 0 }, // forbid
>>> + { 24000, 1001},
>>> + { 24 , 1 },
>>> + { 25 , 1 },
>>> + { 30000, 1001},
>>> + { 30 , 1 },
>>> + { 50 , 1 },
>>> + { 60000, 1001},
>>> + { 60 , 1 },
>>> + { 100 , 1 },
>>> + { 120 , 1 },
>>> + { 200 , 1 },
>>> + { 240 , 1 },
>>> + { 300 , 1 },
>>> + { 0 , 0 }, // reserved
>>> + { 0 , 0 } // reserved
>>> +};
>>
>> That table seems to appear only in avs2 decoder. If so, they are supposed to be declared in libdavs2.c.
>> If not, please point out the usage of this separate source file.
>
> It’s used in this patch, parse_avs2_seq_header().
>
>>
>> Persionally, the frame_rate table can be used in both encoder and decoder. So it is what should be
>> defined in the avs2.h (with related enc/dec changes).
>
> It’s declared in avs2.h, so it can be used by enc/dec.
> It’s defined in .c to reduce binary size.
>
>>
>>> diff --git a/libavcodec/avs2.h b/libavcodec/avs2.h
>>> index f342ba52a0..544cf502d7 100644
>>> --- a/libavcodec/avs2.h
>>> +++ b/libavcodec/avs2.h
>>> @@ -23,6 +23,8 @@
>>> #ifndef AVCODEC_AVS2_H
>>> #define AVCODEC_AVS2_H
>>>
>>> +#include "libavutil/rational.h"
>>> +
>>> #define AVS2_SLICE_MAX_START_CODE 0x000001AF
>>>
>>> enum {
>>> @@ -38,4 +40,12 @@ enum {
>>> #define AVS2_ISPIC(x) ((x) == AVS2_INTRA_PIC_START_CODE || (x) == AVS2_INTER_PIC_START_CODE)
>>> #define AVS2_ISUNIT(x) ((x) == AVS2_SEQ_START_CODE || AVS2_ISPIC(x))
>>>
>>
>> Same as above. Mentioned definitions now are only used in avs2_parser.c. If so, they are supposed to be
>> kept in avs2_parser.c.
>
> It’s not the same as ff_avs2_frame_rate_tab. Firstly, define enum
> and macros doesn’t generate binary. Secondly, they are be used
> by avs2 parser/decoder/encoder and so on, the same as avs3.h.
>
> They are only used by avs2 parser now, but they are handy when debug
> decoder, for example, and future proof.
>
>>
>>
>>> +enum AVS2Profile {
>>> + AVS2_PROFILE_MAIN_PIC = 0x12,
>>> + AVS2_PROFILE_MAIN = 0x20,
>>> + AVS2_PROFILE_MAIN10 = 0x22,
>>> +};
>>
>> Not mentioned elsewhere. If they are to work in the encoder/decoder, please package them with related changes.
>
> AVS2_PROFILE_MAIN10 is used in this patch.
>
>>
>>> +
>>> +extern const AVRational ff_avs2_frame_rate_tab[16];
>>> +
>>> #endif
>>> diff --git a/libavcodec/avs2_parser.c b/libavcodec/avs2_parser.c
>>> index 71cf442903..0350517493 100644
>>> --- a/libavcodec/avs2_parser.c
>>> +++ b/libavcodec/avs2_parser.c
>>> @@ -19,7 +19,9 @@
>>> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>>> */
>>>
>>> +#include "libavutil/avutil.h"
>>> #include "avs2.h"
>>> +#include "get_bits.h"
>>> #include "parser.h"
>>>
>>> static int avs2_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_size)
>>> @@ -58,6 +60,107 @@ static int avs2_find_frame_end(ParseContext *pc, const uint8_t *buf, int buf_siz
>>> return END_NOT_FOUND;
>>> }
>>>
>>> +static void parse_avs2_seq_header(AVCodecParserContext *s, const uint8_t *buf,
>>> + int buf_size, AVCodecContext *avctx)
>>> +{
>>> + GetBitContext gb;
>>> + int profile, level;
>>> + int width, height;
>>> + int chroma, sample_precision, encoding_precision = 1;
>>> + // sample_precision and encoding_precision is 3 bits
>>> + static const uint8_t precision[8] = { 0, 8, 10 };
>>> + unsigned aspect_ratio;
>>> + unsigned frame_rate_code;
>>> + int low_delay;
>>> + // update buf_size_min if parse more deeper
>>> + const int buf_size_min = 15;
>>> +
>>> + if (buf_size < buf_size_min)
>>> + return;
>>> +
>>> + init_get_bits8(&gb, buf, buf_size_min);
>>> +
>>> + s->key_frame = 1;
>>> + s->pict_type = AV_PICTURE_TYPE_I;
>>> +
>>> + profile = get_bits(&gb, 8);
>>> + level = get_bits(&gb, 8);
>>> +
>>> + // progressive_sequence u(1)
>>> + // field_coded_sequence u(1)
>>> + skip_bits(&gb, 2);
>>> +
>>> + width = get_bits(&gb, 14);
>>> + height = get_bits(&gb, 14);
>>> +
>>> + chroma = get_bits(&gb, 2);
>>> + sample_precision = get_bits(&gb, 3);
>>> + if (profile == AVS2_PROFILE_MAIN10)
>>> + encoding_precision = get_bits(&gb, 3);
>>> +
>>> + aspect_ratio = get_bits(&gb, 4);
>>> + frame_rate_code = get_bits(&gb, 4);
>>> +
>>> + // bit_rate_lower u(18)
>>> + // marker_bit f(1)
>>> + // bit_rate_upper u(12)
>>> + skip_bits(&gb, 31);
>>> +
>>> + low_delay = get_bits(&gb, 1);
>>> +
>>> + s->width = width;
>>> + s->height = height;
>>> + s->coded_width = FFALIGN(width, 8);
>>> + s->coded_height = FFALIGN(height, 8);
>>> + avctx->framerate.num = avctx->time_base.den =
>>> + ff_avs2_frame_rate_tab[frame_rate_code].num;
>>> + avctx->framerate.den = avctx->time_base.num =
>>> + ff_avs2_frame_rate_tab[frame_rate_code].den;
>>> + avctx->has_b_frames = FFMAX(avctx->has_b_frames, !low_delay);
>>> +
>>> + av_log(avctx, AV_LOG_DEBUG,
>>> + "AVS2 parse seq HDR: profile %x, level %x, "
>>> + "width %d, height %d, "
>>> + "chroma %d, sample_precision %d bits, encoding_precision %d bits, "
>>> + "aspect_ratio 0x%x, framerate %d/%d, low_delay %d\n",
>>> + profile, level,
>>> + width, height,
>>> + chroma, precision[sample_precision], precision[encoding_precision],
>>> + aspect_ratio, avctx->framerate.num, avctx->framerate.den, low_delay);
>>> +}
>>> +
>>> +static void parse_avs2_units(AVCodecParserContext *s, const uint8_t *buf,
>>> + int buf_size, AVCodecContext *avctx)
>>> +{
>>> + if (buf_size < 5)
>>> + return;
>>> +
>>> + if (!(buf[0] == 0x0 && buf[1] == 0x0 && buf[2] == 0x1))
>>> + return;
>>> +
>>> + switch (buf[3]) {
>>> + case AVS2_SEQ_START_CODE:
>>> + parse_avs2_seq_header(s, buf + 4, buf_size - 4, avctx);
>>> + return;
>>> + case AVS2_INTRA_PIC_START_CODE:
>>> + s->key_frame = 1;
>>> + s->pict_type = AV_PICTURE_TYPE_I;
>>> + return;
>>> + case AVS2_INTER_PIC_START_CODE:
>>> + s->key_frame = 0;
>>> + if (buf_size > 9) {
>>> + int pic_code_type = buf[8] & 0x3;
>>> + if (pic_code_type == 1)
>>> + s->pict_type = AV_PICTURE_TYPE_P;
>>> + else if (pic_code_type == 3)
>>> + s->pict_type = AV_PICTURE_TYPE_S;
>>> + else
>>> + s->pict_type = AV_PICTURE_TYPE_B;
>>> + }
>>> + return;
>>> + }
>>> +}
>>> +
>>> static int avs2_parse(AVCodecParserContext *s, AVCodecContext *avctx,
>>> const uint8_t **poutbuf, int *poutbuf_size,
>>> const uint8_t *buf, int buf_size)
>>> @@ -76,6 +179,8 @@ static int avs2_parse(AVCodecParserContext *s, AVCodecContext *avctx,
>>> }
>>> }
>>>
>>> + parse_avs2_units(s, buf, buf_size, avctx);
>>> +
>>> *poutbuf = buf;
>>> *poutbuf_size = buf_size;
>>>
>>> --
>>> 2.35.3
>>
>>
>> Best Regards,
>> Huiwen Ren
>>
>>>
>>> _______________________________________________
>>> ffmpeg-devel mailing list
>>> ffmpeg-devel at ffmpeg.org
>>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>>
>>> To unsubscribe, visit link above, or email
>>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
>>
>>
>> _______________________________________________
>> ffmpeg-devel mailing list
>> ffmpeg-devel at ffmpeg.org
>> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
>>
>> To unsubscribe, visit link above, or email
>> ffmpeg-devel-request at ffmpeg.org with subject "unsubscribe".
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