MediaCapture/FFMpeg: Re-introduce v7.0.x support

I hate this... thanks flatpak.
This commit is contained in:
Stenzek 2025-05-17 21:45:39 +10:00
parent 84999e0bc9
commit 6baea54e9d
No known key found for this signature in database
2 changed files with 35 additions and 5 deletions

View File

@ -65,7 +65,7 @@ if(NOT WIN32 AND NOT APPLE)
endif() endif()
if(NOT ANDROID AND NOT WIN32) if(NOT ANDROID AND NOT WIN32)
find_package(FFMPEG 7.1.0 COMPONENTS avcodec avformat avutil swresample swscale) find_package(FFMPEG 7.0.0 COMPONENTS avcodec avformat avutil swresample swscale)
if(NOT FFMPEG_FOUND) if(NOT FFMPEG_FOUND)
message(WARNING "FFmpeg not found, using bundled headers.") message(WARNING "FFmpeg not found, using bundled headers.")
endif() endif()

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@ -1797,7 +1797,16 @@ bool MediaCaptureMF::ProcessAudioPackets(s64 video_pts, Error* error)
#ifndef __ANDROID__ #ifndef __ANDROID__
// Symbols added in FFmpeg 7.1.
#if (LIBAVCODEC_VERSION_MAJOR > 61 || LIBAVCODEC_VERSION_MINOR >= 19)
#define AVCODEC_71_IMPORTS(X) X(avcodec_get_supported_config)
#define HAS_AVCODEC_GET_SUPPORTED_CONFIG
#else
#define AVCODEC_71_IMPORTS(X)
#endif
#define VISIT_AVCODEC_IMPORTS(X) \ #define VISIT_AVCODEC_IMPORTS(X) \
AVCODEC_71_IMPORTS(X) \
X(avcodec_find_encoder_by_name) \ X(avcodec_find_encoder_by_name) \
X(avcodec_find_encoder) \ X(avcodec_find_encoder) \
X(avcodec_alloc_context3) \ X(avcodec_alloc_context3) \
@ -1807,7 +1816,6 @@ bool MediaCaptureMF::ProcessAudioPackets(s64 video_pts, Error* error)
X(avcodec_receive_packet) \ X(avcodec_receive_packet) \
X(avcodec_parameters_from_context) \ X(avcodec_parameters_from_context) \
X(avcodec_get_hw_config) \ X(avcodec_get_hw_config) \
X(avcodec_get_supported_config) \
X(av_codec_iterate) \ X(av_codec_iterate) \
X(av_packet_alloc) \ X(av_packet_alloc) \
X(av_packet_free) \ X(av_packet_free) \
@ -2175,12 +2183,10 @@ bool MediaCaptureFFmpeg::InternalBeginCapture(float fps, float aspect, u32 sampl
// Can we use hardware encoding? // Can we use hardware encoding?
const AVCodecHWConfig* hwconfig = wrap_avcodec_get_hw_config(vcodec, 0); const AVCodecHWConfig* hwconfig = wrap_avcodec_get_hw_config(vcodec, 0);
AVPixelFormat sw_pix_fmt; AVPixelFormat sw_pix_fmt = request_pix_fmt;
if (hwconfig) if (hwconfig)
{ {
// Can't do this test for hardware codecs, because they don't list the software formats as inputs. // Can't do this test for hardware codecs, because they don't list the software formats as inputs.
sw_pix_fmt = request_pix_fmt;
Error hw_error; Error hw_error;
INFO_LOG("Trying to use {} hardware device for video encoding.", INFO_LOG("Trying to use {} hardware device for video encoding.",
wrap_av_hwdevice_get_type_name(hwconfig->device_type)); wrap_av_hwdevice_get_type_name(hwconfig->device_type));
@ -2234,6 +2240,7 @@ bool MediaCaptureFFmpeg::InternalBeginCapture(float fps, float aspect, u32 sampl
// Default to YUV 4:2:0 if the codec doesn't specify a pixel format. // Default to YUV 4:2:0 if the codec doesn't specify a pixel format.
const AVPixelFormat* supported_pixel_formats = nullptr; const AVPixelFormat* supported_pixel_formats = nullptr;
int num_supported_pixel_formats = 0; int num_supported_pixel_formats = 0;
#ifdef HAS_AVCODEC_GET_SUPPORTED_CONFIG
res = wrap_avcodec_get_supported_config(m_video_codec_context, vcodec, AV_CODEC_CONFIG_PIX_FORMAT, 0, res = wrap_avcodec_get_supported_config(m_video_codec_context, vcodec, AV_CODEC_CONFIG_PIX_FORMAT, 0,
reinterpret_cast<const void**>(&supported_pixel_formats), reinterpret_cast<const void**>(&supported_pixel_formats),
&num_supported_pixel_formats); &num_supported_pixel_formats);
@ -2242,6 +2249,17 @@ bool MediaCaptureFFmpeg::InternalBeginCapture(float fps, float aspect, u32 sampl
SetAVError(error, "avcodec_get_supported_config() failed: ", res); SetAVError(error, "avcodec_get_supported_config() failed: ", res);
return false; return false;
} }
#else
if (!vcodec->pix_fmts)
{
Error::SetStringView(error, "Video codec supports no formats.");
return false;
}
supported_pixel_formats = vcodec->pix_fmts;
while (supported_pixel_formats[num_supported_pixel_formats] != AV_PIX_FMT_NONE)
num_supported_pixel_formats++;
#endif
// Prefer YUV420 given the choice, but otherwise fall back to whatever it supports. // Prefer YUV420 given the choice, but otherwise fall back to whatever it supports.
sw_pix_fmt = supported_pixel_formats[0]; sw_pix_fmt = supported_pixel_formats[0];
@ -2360,6 +2378,7 @@ bool MediaCaptureFFmpeg::InternalBeginCapture(float fps, float aspect, u32 sampl
bool supports_format = false; bool supports_format = false;
const AVSampleFormat* supported_sample_formats = nullptr; const AVSampleFormat* supported_sample_formats = nullptr;
int num_supported_sample_formats = 0; int num_supported_sample_formats = 0;
#ifdef HAS_AVCODEC_GET_SUPPORTED_CONFIG
res = wrap_avcodec_get_supported_config(m_video_codec_context, acodec, AV_CODEC_CONFIG_SAMPLE_FORMAT, 0, res = wrap_avcodec_get_supported_config(m_video_codec_context, acodec, AV_CODEC_CONFIG_SAMPLE_FORMAT, 0,
reinterpret_cast<const void**>(&supported_sample_formats), reinterpret_cast<const void**>(&supported_sample_formats),
&num_supported_sample_formats); &num_supported_sample_formats);
@ -2368,6 +2387,17 @@ bool MediaCaptureFFmpeg::InternalBeginCapture(float fps, float aspect, u32 sampl
SetAVError(error, "avcodec_get_supported_config() for audio failed: ", res); SetAVError(error, "avcodec_get_supported_config() for audio failed: ", res);
return false; return false;
} }
#else
if (!acodec->sample_fmts)
{
Error::SetStringView(error, "Video codec supports no formats.");
return false;
}
supported_sample_formats = acodec->sample_fmts;
while (supported_sample_formats[num_supported_sample_formats] != AV_SAMPLE_FMT_NONE)
num_supported_sample_formats++;
#endif
for (int i = 0; i < num_supported_sample_formats; i++) for (int i = 0; i < num_supported_sample_formats; i++)
{ {