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FFmpeg: dynamic_library and dumping adapt to ffmpeg7.1.

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But keeping support for older versions.
This commit is contained in:
kongfl888 2024-10-07 18:37:42 +08:00
parent 1bf6cbc101
commit 50d915316e
3 changed files with 60 additions and 11 deletions
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6
src/common/dynamic_library/ffmpeg.cpp
View file

@ -65,6 +65,9 @@ avcodec_find_encoder_by_name_func avcodec_find_encoder_by_name;
avcodec_free_context_func avcodec_free_context;
avcodec_get_class_func avcodec_get_class;
avcodec_get_hw_config_func avcodec_get_hw_config;
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
avcodec_get_supported_config_func avcodec_get_supported_config;
#endif
avcodec_open2_func avcodec_open2;
avcodec_parameters_from_context_func avcodec_parameters_from_context;
avcodec_receive_frame_func avcodec_receive_frame;
@ -232,6 +235,9 @@ static bool LoadAVCodec() {
LOAD_SYMBOL(avcodec, avcodec_free_context);
LOAD_SYMBOL(avcodec, avcodec_get_class);
LOAD_SYMBOL(avcodec, avcodec_get_hw_config);
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
LOAD_SYMBOL(avcodec, avcodec_get_supported_config);
#endif
LOAD_SYMBOL(avcodec, avcodec_open2);
LOAD_SYMBOL(avcodec, avcodec_parameters_from_context);
LOAD_SYMBOL(avcodec, avcodec_receive_frame);

7
src/common/dynamic_library/ffmpeg.h
View file

@ -114,6 +114,10 @@ typedef const AVCodec* (*avcodec_find_encoder_by_name_func)(const char*);
typedef void (*avcodec_free_context_func)(AVCodecContext**);
typedef const AVClass* (*avcodec_get_class_func)();
typedef const AVCodecHWConfig* (*avcodec_get_hw_config_func)(const AVCodec*, int);
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
typedef int (*avcodec_get_supported_config_func)(const AVCodecContext*, const AVCodec*,
enum AVCodecConfig, unsigned, const void**, int*);
#endif
typedef int (*avcodec_open2_func)(AVCodecContext*, const AVCodec*, AVDictionary**);
typedef int (*avcodec_parameters_from_context_func)(AVCodecParameters* par, const AVCodecContext*);
typedef int (*avcodec_receive_frame_func)(AVCodecContext*, AVFrame*);
@ -138,6 +142,9 @@ extern avcodec_find_encoder_by_name_func avcodec_find_encoder_by_name;
extern avcodec_free_context_func avcodec_free_context;
extern avcodec_get_class_func avcodec_get_class;
extern avcodec_get_hw_config_func avcodec_get_hw_config;
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
extern avcodec_get_supported_config_func avcodec_get_supported_config;
#endif
extern avcodec_open2_func avcodec_open2;
extern avcodec_parameters_from_context_func avcodec_parameters_from_context;
extern avcodec_receive_frame_func avcodec_receive_frame;

58
src/core/dumping/ffmpeg_backend.cpp
View file

@ -171,12 +171,21 @@ bool FFmpegVideoStream::Init(FFmpegMuxer& muxer, const Layout::FramebufferLayout
codec_context->gop_size = 12;
// Get pixel format for codec
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
const enum AVPixelFormat* pix_fmts = NULL;
int ret = FFmpeg::avcodec_get_supported_config(NULL, codec, AV_CODEC_CONFIG_PIX_FORMAT, 0,
(const void**)&pix_fmts, NULL);
#else
const enum AVPixelFormat* pix_fmts = codec->pix_fmts;
int ret = 0;
#endif
auto options = ToAVDictionary(Settings::values.video_encoder_options);
auto pixel_format_opt = FFmpeg::av_dict_get(options, "pixel_format", nullptr, 0);
if (pixel_format_opt) {
sw_pixel_format = FFmpeg::av_get_pix_fmt(pixel_format_opt->value);
} else if (codec->pix_fmts) {
sw_pixel_format = GetPixelFormat(codec_context.get(), codec->pix_fmts);
} else if (ret >= 0 && pix_fmts) {
sw_pixel_format = GetPixelFormat(codec_context.get(), pix_fmts);
} else {
sw_pixel_format = AV_PIX_FMT_YUV420P;
}
@ -285,11 +294,20 @@ void FFmpegVideoStream::ProcessFrame(VideoFrame& frame) {
}
bool FFmpegVideoStream::InitHWContext(const AVCodec* codec) {
for (std::size_t i = 0; codec->pix_fmts[i] != AV_PIX_FMT_NONE; ++i) {
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
const enum AVPixelFormat* pix_fmts = NULL;
int ret = FFmpeg::avcodec_get_supported_config(NULL, codec, AV_CODEC_CONFIG_PIX_FORMAT, 0,
(const void**)&pix_fmts, NULL);
#else
const enum AVPixelFormat* pix_fmts = codec->pix_fmts;
int ret = 0;
#endif
for (std::size_t i = 0; (ret >= 0 && pix_fmts) && (pix_fmts[i] != AV_PIX_FMT_NONE); ++i) {
const AVCodecHWConfig* config;
for (int j = 0;; ++j) {
config = FFmpeg::avcodec_get_hw_config(codec, j);
if (!config || config->pix_fmt == codec->pix_fmts[i]) {
if (!config || config->pix_fmt == pix_fmts[i]) {
break;
}
}
@ -303,7 +321,7 @@ bool FFmpegVideoStream::InitHWContext(const AVCodec* codec) {
continue;
}
codec_context->pix_fmt = codec->pix_fmts[i];
codec_context->pix_fmt = pix_fmts[i];
// Create HW device context
AVBufferRef* hw_device_context;
@ -351,7 +369,7 @@ bool FFmpegVideoStream::InitHWContext(const AVCodec* codec) {
AVHWFramesContext* hw_frames_context =
reinterpret_cast<AVHWFramesContext*>(hw_frames_context_ref->data);
hw_frames_context->format = codec->pix_fmts[i];
hw_frames_context->format = pix_fmts[i];
hw_frames_context->sw_format = sw_pixel_format;
hw_frames_context->width = codec_context->width;
hw_frames_context->height = codec_context->height;
@ -455,6 +473,7 @@ bool FFmpegAudioStream::Init(FFmpegMuxer& muxer) {
}
frame_count = 0;
int ret;
// Initialize audio codec
const AVCodec* codec =
@ -468,16 +487,33 @@ bool FFmpegAudioStream::Init(FFmpegMuxer& muxer) {
// Configure audio codec context
codec_context->codec_type = AVMEDIA_TYPE_AUDIO;
codec_context->bit_rate = Settings::values.audio_bitrate;
if (codec->sample_fmts) {
codec_context->sample_fmt = codec->sample_fmts[0];
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
const enum AVSampleFormat* sample_fmts = NULL;
ret = FFmpeg::avcodec_get_supported_config(NULL, codec, AV_CODEC_CONFIG_SAMPLE_FORMAT, 0,
(const void**)&sample_fmts, NULL);
#else
const enum AVSampleFormat* sample_fmts = codec->sample_fmts;
ret = 0;
#endif
if (ret >= 0 && sample_fmts) {
codec_context->sample_fmt = sample_fmts[0];
} else {
codec_context->sample_fmt = AV_SAMPLE_FMT_S16P;
}
if (codec->supported_samplerates) {
codec_context->sample_rate = codec->supported_samplerates[0];
#if LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(61, 13, 100) // lavc 61.13.100
const int* supported_samplerates = NULL;
ret = FFmpeg::avcodec_get_supported_config(NULL, codec, AV_CODEC_CONFIG_SAMPLE_RATE, 0,
(const void**)&supported_samplerates, NULL);
#else
const int* supported_samplerates = codec->supported_samplerates;
ret = 0;
#endif
if (ret >= 0 && supported_samplerates) {
codec_context->sample_rate = supported_samplerates[0];
// Prefer native sample rate if supported
const int* ptr = codec->supported_samplerates;
const int* ptr = supported_samplerates;
while ((*ptr)) {
if ((*ptr) == AudioCore::native_sample_rate) {
codec_context->sample_rate = AudioCore::native_sample_rate;