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![James Almer](/assets/img/avatar_default.png)
The field is documented to be for decoding only. Signed-off-by: James Almer <jamrial@gmail.com>
1212 lines
40 KiB
C
1212 lines
40 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#define COBJMACROS
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#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
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#undef _WIN32_WINNT
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#define _WIN32_WINNT 0x0602
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#endif
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#include "encode.h"
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#include "mf_utils.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/opt.h"
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#include "libavutil/time.h"
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#include "internal.h"
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typedef struct MFContext {
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AVClass *av_class;
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AVFrame *frame;
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int is_video, is_audio;
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GUID main_subtype;
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IMFTransform *mft;
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IMFMediaEventGenerator *async_events;
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DWORD in_stream_id, out_stream_id;
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MFT_INPUT_STREAM_INFO in_info;
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MFT_OUTPUT_STREAM_INFO out_info;
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int out_stream_provides_samples;
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int draining, draining_done;
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int sample_sent;
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int async_need_input, async_have_output, async_marker;
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int64_t reorder_delay;
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ICodecAPI *codec_api;
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// set by AVOption
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int opt_enc_rc;
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int opt_enc_quality;
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int opt_enc_scenario;
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int opt_enc_hw;
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} MFContext;
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static int mf_choose_output_type(AVCodecContext *avctx);
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static int mf_setup_context(AVCodecContext *avctx);
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#define MF_TIMEBASE (AVRational){1, 10000000}
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// Sentinel value only used by us.
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#define MF_INVALID_TIME AV_NOPTS_VALUE
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static int mf_wait_events(AVCodecContext *avctx)
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{
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MFContext *c = avctx->priv_data;
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if (!c->async_events)
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return 0;
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while (!(c->async_need_input || c->async_have_output || c->draining_done || c->async_marker)) {
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IMFMediaEvent *ev = NULL;
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MediaEventType ev_id = 0;
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HRESULT hr = IMFMediaEventGenerator_GetEvent(c->async_events, 0, &ev);
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if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR, "IMFMediaEventGenerator_GetEvent() failed: %s\n",
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ff_hr_str(hr));
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return AVERROR_EXTERNAL;
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}
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IMFMediaEvent_GetType(ev, &ev_id);
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switch (ev_id) {
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case ff_METransformNeedInput:
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if (!c->draining)
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c->async_need_input = 1;
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break;
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case ff_METransformHaveOutput:
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c->async_have_output = 1;
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break;
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case ff_METransformDrainComplete:
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c->draining_done = 1;
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break;
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case ff_METransformMarker:
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c->async_marker = 1;
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break;
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default: ;
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}
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IMFMediaEvent_Release(ev);
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}
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return 0;
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}
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static AVRational mf_get_tb(AVCodecContext *avctx)
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{
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if (avctx->time_base.num > 0 && avctx->time_base.den > 0)
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return avctx->time_base;
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return MF_TIMEBASE;
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}
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static LONGLONG mf_to_mf_time(AVCodecContext *avctx, int64_t av_pts)
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{
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if (av_pts == AV_NOPTS_VALUE)
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return MF_INVALID_TIME;
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return av_rescale_q(av_pts, mf_get_tb(avctx), MF_TIMEBASE);
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}
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static void mf_sample_set_pts(AVCodecContext *avctx, IMFSample *sample, int64_t av_pts)
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{
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LONGLONG stime = mf_to_mf_time(avctx, av_pts);
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if (stime != MF_INVALID_TIME)
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IMFSample_SetSampleTime(sample, stime);
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}
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static int64_t mf_from_mf_time(AVCodecContext *avctx, LONGLONG stime)
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{
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return av_rescale_q(stime, MF_TIMEBASE, mf_get_tb(avctx));
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}
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static int64_t mf_sample_get_pts(AVCodecContext *avctx, IMFSample *sample)
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{
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LONGLONG pts;
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HRESULT hr = IMFSample_GetSampleTime(sample, &pts);
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if (FAILED(hr))
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return AV_NOPTS_VALUE;
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return mf_from_mf_time(avctx, pts);
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}
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static int mf_enca_output_type_get(AVCodecContext *avctx, IMFMediaType *type)
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{
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MFContext *c = avctx->priv_data;
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HRESULT hr;
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UINT32 sz;
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if (avctx->codec_id != AV_CODEC_ID_MP3 && avctx->codec_id != AV_CODEC_ID_AC3) {
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hr = IMFAttributes_GetBlobSize(type, &MF_MT_USER_DATA, &sz);
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if (!FAILED(hr) && sz > 0) {
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avctx->extradata = av_mallocz(sz + AV_INPUT_BUFFER_PADDING_SIZE);
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if (!avctx->extradata)
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return AVERROR(ENOMEM);
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avctx->extradata_size = sz;
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hr = IMFAttributes_GetBlob(type, &MF_MT_USER_DATA, avctx->extradata, sz, NULL);
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if (FAILED(hr))
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return AVERROR_EXTERNAL;
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if (avctx->codec_id == AV_CODEC_ID_AAC && avctx->extradata_size >= 12) {
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// Get rid of HEAACWAVEINFO (after wfx field, 12 bytes).
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avctx->extradata_size = avctx->extradata_size - 12;
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memmove(avctx->extradata, avctx->extradata + 12, avctx->extradata_size);
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}
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}
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}
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// I don't know where it's documented that we need this. It happens with the
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// MS mp3 encoder MFT. The idea for the workaround is taken from NAudio.
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// (Certainly any lossy codec will have frames much smaller than 1 second.)
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if (!c->out_info.cbSize && !c->out_stream_provides_samples) {
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hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_AVG_BYTES_PER_SECOND, &sz);
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if (!FAILED(hr)) {
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av_log(avctx, AV_LOG_VERBOSE, "MFT_OUTPUT_STREAM_INFO.cbSize set to 0, "
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"assuming %d bytes instead.\n", (int)sz);
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c->out_info.cbSize = sz;
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}
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}
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return 0;
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}
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static int mf_encv_output_type_get(AVCodecContext *avctx, IMFMediaType *type)
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{
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HRESULT hr;
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UINT32 sz;
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hr = IMFAttributes_GetBlobSize(type, &MF_MT_MPEG_SEQUENCE_HEADER, &sz);
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if (!FAILED(hr) && sz > 0) {
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uint8_t *extradata = av_mallocz(sz + AV_INPUT_BUFFER_PADDING_SIZE);
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if (!extradata)
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return AVERROR(ENOMEM);
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hr = IMFAttributes_GetBlob(type, &MF_MT_MPEG_SEQUENCE_HEADER, extradata, sz, NULL);
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if (FAILED(hr)) {
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av_free(extradata);
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return AVERROR_EXTERNAL;
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}
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av_freep(&avctx->extradata);
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avctx->extradata = extradata;
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avctx->extradata_size = sz;
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}
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return 0;
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}
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static int mf_output_type_get(AVCodecContext *avctx)
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{
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MFContext *c = avctx->priv_data;
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HRESULT hr;
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IMFMediaType *type;
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int ret;
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hr = IMFTransform_GetOutputCurrentType(c->mft, c->out_stream_id, &type);
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if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR, "could not get output type\n");
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return AVERROR_EXTERNAL;
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}
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av_log(avctx, AV_LOG_VERBOSE, "final output type:\n");
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ff_media_type_dump(avctx, type);
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ret = 0;
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if (c->is_video) {
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ret = mf_encv_output_type_get(avctx, type);
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} else if (c->is_audio) {
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ret = mf_enca_output_type_get(avctx, type);
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}
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if (ret < 0)
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av_log(avctx, AV_LOG_ERROR, "output type not supported\n");
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IMFMediaType_Release(type);
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return ret;
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}
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static int mf_sample_to_avpacket(AVCodecContext *avctx, IMFSample *sample, AVPacket *avpkt)
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{
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MFContext *c = avctx->priv_data;
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HRESULT hr;
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int ret;
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DWORD len;
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IMFMediaBuffer *buffer;
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BYTE *data;
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UINT64 t;
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UINT32 t32;
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hr = IMFSample_GetTotalLength(sample, &len);
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if (FAILED(hr))
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return AVERROR_EXTERNAL;
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if ((ret = ff_get_encode_buffer(avctx, avpkt, len, 0)) < 0)
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return ret;
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IMFSample_ConvertToContiguousBuffer(sample, &buffer);
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if (FAILED(hr))
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return AVERROR_EXTERNAL;
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hr = IMFMediaBuffer_Lock(buffer, &data, NULL, NULL);
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if (FAILED(hr)) {
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IMFMediaBuffer_Release(buffer);
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return AVERROR_EXTERNAL;
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}
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memcpy(avpkt->data, data, len);
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IMFMediaBuffer_Unlock(buffer);
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IMFMediaBuffer_Release(buffer);
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avpkt->pts = avpkt->dts = mf_sample_get_pts(avctx, sample);
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hr = IMFAttributes_GetUINT32(sample, &MFSampleExtension_CleanPoint, &t32);
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if (c->is_audio || (!FAILED(hr) && t32 != 0))
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avpkt->flags |= AV_PKT_FLAG_KEY;
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hr = IMFAttributes_GetUINT64(sample, &MFSampleExtension_DecodeTimestamp, &t);
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if (!FAILED(hr)) {
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avpkt->dts = mf_from_mf_time(avctx, t);
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// At least on Qualcomm's HEVC encoder on SD 835, the output dts
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// starts from the input pts of the first frame, while the output pts
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// is shifted forward. Therefore, shift the output values back so that
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// the output pts matches the input.
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if (c->reorder_delay == AV_NOPTS_VALUE)
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c->reorder_delay = avpkt->pts - avpkt->dts;
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avpkt->dts -= c->reorder_delay;
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avpkt->pts -= c->reorder_delay;
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}
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return 0;
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}
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static IMFSample *mf_a_avframe_to_sample(AVCodecContext *avctx, const AVFrame *frame)
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{
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MFContext *c = avctx->priv_data;
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size_t len;
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size_t bps;
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IMFSample *sample;
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bps = av_get_bytes_per_sample(avctx->sample_fmt) * avctx->channels;
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len = frame->nb_samples * bps;
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sample = ff_create_memory_sample(frame->data[0], len, c->in_info.cbAlignment);
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if (sample)
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IMFSample_SetSampleDuration(sample, mf_to_mf_time(avctx, frame->nb_samples));
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return sample;
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}
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static IMFSample *mf_v_avframe_to_sample(AVCodecContext *avctx, const AVFrame *frame)
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{
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MFContext *c = avctx->priv_data;
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IMFSample *sample;
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IMFMediaBuffer *buffer;
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BYTE *data;
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HRESULT hr;
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int ret;
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int size;
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size = av_image_get_buffer_size(avctx->pix_fmt, avctx->width, avctx->height, 1);
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if (size < 0)
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return NULL;
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sample = ff_create_memory_sample(NULL, size, c->in_info.cbAlignment);
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if (!sample)
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return NULL;
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hr = IMFSample_GetBufferByIndex(sample, 0, &buffer);
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if (FAILED(hr)) {
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IMFSample_Release(sample);
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return NULL;
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}
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hr = IMFMediaBuffer_Lock(buffer, &data, NULL, NULL);
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if (FAILED(hr)) {
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IMFMediaBuffer_Release(buffer);
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IMFSample_Release(sample);
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return NULL;
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}
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ret = av_image_copy_to_buffer((uint8_t *)data, size, (void *)frame->data, frame->linesize,
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avctx->pix_fmt, avctx->width, avctx->height, 1);
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IMFMediaBuffer_SetCurrentLength(buffer, size);
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IMFMediaBuffer_Unlock(buffer);
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IMFMediaBuffer_Release(buffer);
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if (ret < 0) {
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IMFSample_Release(sample);
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return NULL;
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}
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IMFSample_SetSampleDuration(sample, mf_to_mf_time(avctx, frame->pkt_duration));
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return sample;
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}
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static IMFSample *mf_avframe_to_sample(AVCodecContext *avctx, const AVFrame *frame)
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{
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MFContext *c = avctx->priv_data;
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IMFSample *sample;
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if (c->is_audio) {
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sample = mf_a_avframe_to_sample(avctx, frame);
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} else {
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sample = mf_v_avframe_to_sample(avctx, frame);
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}
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if (sample)
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mf_sample_set_pts(avctx, sample, frame->pts);
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return sample;
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}
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static int mf_send_sample(AVCodecContext *avctx, IMFSample *sample)
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{
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MFContext *c = avctx->priv_data;
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HRESULT hr;
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int ret;
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if (sample) {
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if (c->async_events) {
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if ((ret = mf_wait_events(avctx)) < 0)
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return ret;
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if (!c->async_need_input)
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return AVERROR(EAGAIN);
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}
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if (!c->sample_sent)
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IMFSample_SetUINT32(sample, &MFSampleExtension_Discontinuity, TRUE);
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c->sample_sent = 1;
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hr = IMFTransform_ProcessInput(c->mft, c->in_stream_id, sample, 0);
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if (hr == MF_E_NOTACCEPTING) {
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return AVERROR(EAGAIN);
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} else if (FAILED(hr)) {
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av_log(avctx, AV_LOG_ERROR, "failed processing input: %s\n", ff_hr_str(hr));
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return AVERROR_EXTERNAL;
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}
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c->async_need_input = 0;
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} else if (!c->draining) {
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hr = IMFTransform_ProcessMessage(c->mft, MFT_MESSAGE_COMMAND_DRAIN, 0);
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if (FAILED(hr))
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av_log(avctx, AV_LOG_ERROR, "failed draining: %s\n", ff_hr_str(hr));
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// Some MFTs (AC3) will send a frame after each drain command (???), so
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// this is required to make draining actually terminate.
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c->draining = 1;
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c->async_need_input = 0;
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} else {
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return AVERROR_EOF;
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}
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return 0;
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}
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static int mf_receive_sample(AVCodecContext *avctx, IMFSample **out_sample)
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{
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MFContext *c = avctx->priv_data;
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HRESULT hr;
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DWORD st;
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MFT_OUTPUT_DATA_BUFFER out_buffers;
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IMFSample *sample;
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int ret = 0;
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while (1) {
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*out_sample = NULL;
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sample = NULL;
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if (c->async_events) {
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if ((ret = mf_wait_events(avctx)) < 0)
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return ret;
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if (!c->async_have_output || c->draining_done) {
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ret = 0;
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break;
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}
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}
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if (!c->out_stream_provides_samples) {
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sample = ff_create_memory_sample(NULL, c->out_info.cbSize, c->out_info.cbAlignment);
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if (!sample)
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return AVERROR(ENOMEM);
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}
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out_buffers = (MFT_OUTPUT_DATA_BUFFER) {
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.dwStreamID = c->out_stream_id,
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.pSample = sample,
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};
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st = 0;
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hr = IMFTransform_ProcessOutput(c->mft, 0, 1, &out_buffers, &st);
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if (out_buffers.pEvents)
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IMFCollection_Release(out_buffers.pEvents);
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if (!FAILED(hr)) {
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*out_sample = out_buffers.pSample;
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ret = 0;
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break;
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}
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if (out_buffers.pSample)
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IMFSample_Release(out_buffers.pSample);
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if (hr == MF_E_TRANSFORM_NEED_MORE_INPUT) {
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if (c->draining)
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c->draining_done = 1;
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ret = 0;
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} else if (hr == MF_E_TRANSFORM_STREAM_CHANGE) {
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av_log(avctx, AV_LOG_WARNING, "stream format change\n");
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ret = mf_choose_output_type(avctx);
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if (ret == 0) // we don't expect renegotiating the input type
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ret = AVERROR_EXTERNAL;
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if (ret > 0) {
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ret = mf_setup_context(avctx);
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if (ret >= 0) {
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c->async_have_output = 0;
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continue;
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}
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}
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} else {
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av_log(avctx, AV_LOG_ERROR, "failed processing output: %s\n", ff_hr_str(hr));
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ret = AVERROR_EXTERNAL;
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}
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break;
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}
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c->async_have_output = 0;
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if (ret >= 0 && !*out_sample)
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ret = c->draining_done ? AVERROR_EOF : AVERROR(EAGAIN);
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return ret;
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}
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static int mf_receive_packet(AVCodecContext *avctx, AVPacket *avpkt)
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{
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MFContext *c = avctx->priv_data;
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IMFSample *sample = NULL;
|
|
int ret;
|
|
|
|
if (!c->frame->buf[0]) {
|
|
ret = ff_encode_get_frame(avctx, c->frame);
|
|
if (ret < 0 && ret != AVERROR_EOF)
|
|
return ret;
|
|
}
|
|
|
|
if (c->frame->buf[0]) {
|
|
sample = mf_avframe_to_sample(avctx, c->frame);
|
|
if (!sample) {
|
|
av_frame_unref(c->frame);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
if (c->is_video && c->codec_api) {
|
|
if (c->frame->pict_type == AV_PICTURE_TYPE_I || !c->sample_sent)
|
|
ICodecAPI_SetValue(c->codec_api, &ff_CODECAPI_AVEncVideoForceKeyFrame, FF_VAL_VT_UI4(1));
|
|
}
|
|
}
|
|
|
|
ret = mf_send_sample(avctx, sample);
|
|
if (sample)
|
|
IMFSample_Release(sample);
|
|
if (ret != AVERROR(EAGAIN))
|
|
av_frame_unref(c->frame);
|
|
if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF)
|
|
return ret;
|
|
|
|
ret = mf_receive_sample(avctx, &sample);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = mf_sample_to_avpacket(avctx, sample, avpkt);
|
|
IMFSample_Release(sample);
|
|
|
|
return ret;
|
|
}
|
|
|
|
// Most encoders seem to enumerate supported audio formats on the output types,
|
|
// at least as far as channel configuration and sample rate is concerned. Pick
|
|
// the one which seems to match best.
|
|
static int64_t mf_enca_output_score(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
HRESULT hr;
|
|
UINT32 t;
|
|
GUID tg;
|
|
int64_t score = 0;
|
|
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &t);
|
|
if (!FAILED(hr) && t == avctx->sample_rate)
|
|
score |= 1LL << 32;
|
|
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_NUM_CHANNELS, &t);
|
|
if (!FAILED(hr) && t == avctx->channels)
|
|
score |= 2LL << 32;
|
|
|
|
hr = IMFAttributes_GetGUID(type, &MF_MT_SUBTYPE, &tg);
|
|
if (!FAILED(hr)) {
|
|
if (IsEqualGUID(&c->main_subtype, &tg))
|
|
score |= 4LL << 32;
|
|
}
|
|
|
|
// Select the bitrate (lowest priority).
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_AVG_BYTES_PER_SECOND, &t);
|
|
if (!FAILED(hr)) {
|
|
int diff = (int)t - avctx->bit_rate / 8;
|
|
if (diff >= 0) {
|
|
score |= (1LL << 31) - diff; // prefer lower bitrate
|
|
} else {
|
|
score |= (1LL << 30) + diff; // prefer higher bitrate
|
|
}
|
|
}
|
|
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AAC_PAYLOAD_TYPE, &t);
|
|
if (!FAILED(hr) && t != 0)
|
|
return -1;
|
|
|
|
return score;
|
|
}
|
|
|
|
static int mf_enca_output_adjust(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
// (some decoders allow adjusting this freely, but it can also cause failure
|
|
// to set the output type - so it's commented for being too fragile)
|
|
//IMFAttributes_SetUINT32(type, &MF_MT_AUDIO_AVG_BYTES_PER_SECOND, avctx->bit_rate / 8);
|
|
//IMFAttributes_SetUINT32(type, &MF_MT_AVG_BITRATE, avctx->bit_rate);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int64_t mf_enca_input_score(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
HRESULT hr;
|
|
UINT32 t;
|
|
int64_t score = 0;
|
|
|
|
enum AVSampleFormat sformat = ff_media_type_to_sample_fmt((IMFAttributes *)type);
|
|
if (sformat == AV_SAMPLE_FMT_NONE)
|
|
return -1; // can not use
|
|
|
|
if (sformat == avctx->sample_fmt)
|
|
score |= 1;
|
|
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &t);
|
|
if (!FAILED(hr) && t == avctx->sample_rate)
|
|
score |= 2;
|
|
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_NUM_CHANNELS, &t);
|
|
if (!FAILED(hr) && t == avctx->channels)
|
|
score |= 4;
|
|
|
|
return score;
|
|
}
|
|
|
|
static int mf_enca_input_adjust(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
HRESULT hr;
|
|
UINT32 t;
|
|
|
|
enum AVSampleFormat sformat = ff_media_type_to_sample_fmt((IMFAttributes *)type);
|
|
if (sformat != avctx->sample_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR, "unsupported input sample format set\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_SAMPLES_PER_SECOND, &t);
|
|
if (FAILED(hr) || t != avctx->sample_rate) {
|
|
av_log(avctx, AV_LOG_ERROR, "unsupported input sample rate set\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
hr = IMFAttributes_GetUINT32(type, &MF_MT_AUDIO_NUM_CHANNELS, &t);
|
|
if (FAILED(hr) || t != avctx->channels) {
|
|
av_log(avctx, AV_LOG_ERROR, "unsupported input channel number set\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int64_t mf_encv_output_score(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
GUID tg;
|
|
HRESULT hr;
|
|
int score = -1;
|
|
|
|
hr = IMFAttributes_GetGUID(type, &MF_MT_SUBTYPE, &tg);
|
|
if (!FAILED(hr)) {
|
|
if (IsEqualGUID(&c->main_subtype, &tg))
|
|
score = 1;
|
|
}
|
|
|
|
return score;
|
|
}
|
|
|
|
static int mf_encv_output_adjust(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
AVRational framerate;
|
|
|
|
ff_MFSetAttributeSize((IMFAttributes *)type, &MF_MT_FRAME_SIZE, avctx->width, avctx->height);
|
|
IMFAttributes_SetUINT32(type, &MF_MT_INTERLACE_MODE, MFVideoInterlace_Progressive);
|
|
|
|
if (avctx->framerate.num > 0 && avctx->framerate.den > 0) {
|
|
framerate = avctx->framerate;
|
|
} else {
|
|
framerate = av_inv_q(avctx->time_base);
|
|
framerate.den *= avctx->ticks_per_frame;
|
|
}
|
|
|
|
ff_MFSetAttributeRatio((IMFAttributes *)type, &MF_MT_FRAME_RATE, framerate.num, framerate.den);
|
|
|
|
// (MS HEVC supports eAVEncH265VProfile_Main_420_8 only.)
|
|
if (avctx->codec_id == AV_CODEC_ID_H264) {
|
|
UINT32 profile = ff_eAVEncH264VProfile_Base;
|
|
switch (avctx->profile) {
|
|
case FF_PROFILE_H264_MAIN:
|
|
profile = ff_eAVEncH264VProfile_Main;
|
|
break;
|
|
case FF_PROFILE_H264_HIGH:
|
|
profile = ff_eAVEncH264VProfile_High;
|
|
break;
|
|
}
|
|
IMFAttributes_SetUINT32(type, &MF_MT_MPEG2_PROFILE, profile);
|
|
}
|
|
|
|
IMFAttributes_SetUINT32(type, &MF_MT_AVG_BITRATE, avctx->bit_rate);
|
|
|
|
// Note that some of the ICodecAPI options must be set before SetOutputType.
|
|
if (c->codec_api) {
|
|
if (avctx->bit_rate)
|
|
ICodecAPI_SetValue(c->codec_api, &ff_CODECAPI_AVEncCommonMeanBitRate, FF_VAL_VT_UI4(avctx->bit_rate));
|
|
|
|
if (c->opt_enc_rc >= 0)
|
|
ICodecAPI_SetValue(c->codec_api, &ff_CODECAPI_AVEncCommonRateControlMode, FF_VAL_VT_UI4(c->opt_enc_rc));
|
|
|
|
if (c->opt_enc_quality >= 0)
|
|
ICodecAPI_SetValue(c->codec_api, &ff_CODECAPI_AVEncCommonQuality, FF_VAL_VT_UI4(c->opt_enc_quality));
|
|
|
|
// Always set the number of b-frames. Qualcomm's HEVC encoder on SD835
|
|
// defaults this to 1, and that setting is buggy with many of the
|
|
// rate control modes. (0 or 2 b-frames works fine with most rate
|
|
// control modes, but 2 seems buggy with the u_vbr mode.) Setting
|
|
// "scenario" to "camera_record" sets it in CFR mode (where the default
|
|
// is VFR), which makes the encoder avoid dropping frames.
|
|
ICodecAPI_SetValue(c->codec_api, &ff_CODECAPI_AVEncMPVDefaultBPictureCount, FF_VAL_VT_UI4(avctx->max_b_frames));
|
|
avctx->has_b_frames = avctx->max_b_frames > 0;
|
|
|
|
ICodecAPI_SetValue(c->codec_api, &ff_CODECAPI_AVEncH264CABACEnable, FF_VAL_VT_BOOL(1));
|
|
|
|
if (c->opt_enc_scenario >= 0)
|
|
ICodecAPI_SetValue(c->codec_api, &ff_CODECAPI_AVScenarioInfo, FF_VAL_VT_UI4(c->opt_enc_scenario));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int64_t mf_encv_input_score(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
enum AVPixelFormat pix_fmt = ff_media_type_to_pix_fmt((IMFAttributes *)type);
|
|
if (pix_fmt != avctx->pix_fmt)
|
|
return -1; // can not use
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mf_encv_input_adjust(AVCodecContext *avctx, IMFMediaType *type)
|
|
{
|
|
enum AVPixelFormat pix_fmt = ff_media_type_to_pix_fmt((IMFAttributes *)type);
|
|
if (pix_fmt != avctx->pix_fmt) {
|
|
av_log(avctx, AV_LOG_ERROR, "unsupported input pixel format set\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
//ff_MFSetAttributeSize((IMFAttributes *)type, &MF_MT_FRAME_SIZE, avctx->width, avctx->height);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mf_choose_output_type(AVCodecContext *avctx)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
HRESULT hr;
|
|
int ret;
|
|
IMFMediaType *out_type = NULL;
|
|
int64_t out_type_score = -1;
|
|
int out_type_index = -1;
|
|
int n;
|
|
|
|
av_log(avctx, AV_LOG_VERBOSE, "output types:\n");
|
|
for (n = 0; ; n++) {
|
|
IMFMediaType *type;
|
|
int64_t score = -1;
|
|
|
|
hr = IMFTransform_GetOutputAvailableType(c->mft, c->out_stream_id, n, &type);
|
|
if (hr == MF_E_NO_MORE_TYPES || hr == E_NOTIMPL)
|
|
break;
|
|
if (hr == MF_E_TRANSFORM_TYPE_NOT_SET) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "(need to set input type)\n");
|
|
ret = 0;
|
|
goto done;
|
|
}
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "error getting output type: %s\n", ff_hr_str(hr));
|
|
ret = AVERROR_EXTERNAL;
|
|
goto done;
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_VERBOSE, "output type %d:\n", n);
|
|
ff_media_type_dump(avctx, type);
|
|
|
|
if (c->is_video) {
|
|
score = mf_encv_output_score(avctx, type);
|
|
} else if (c->is_audio) {
|
|
score = mf_enca_output_score(avctx, type);
|
|
}
|
|
|
|
if (score > out_type_score) {
|
|
if (out_type)
|
|
IMFMediaType_Release(out_type);
|
|
out_type = type;
|
|
out_type_score = score;
|
|
out_type_index = n;
|
|
IMFMediaType_AddRef(out_type);
|
|
}
|
|
|
|
IMFMediaType_Release(type);
|
|
}
|
|
|
|
if (out_type) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "picking output type %d.\n", out_type_index);
|
|
} else {
|
|
hr = MFCreateMediaType(&out_type);
|
|
if (FAILED(hr)) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
ret = 0;
|
|
if (c->is_video) {
|
|
ret = mf_encv_output_adjust(avctx, out_type);
|
|
} else if (c->is_audio) {
|
|
ret = mf_enca_output_adjust(avctx, out_type);
|
|
}
|
|
|
|
if (ret >= 0) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "setting output type:\n");
|
|
ff_media_type_dump(avctx, out_type);
|
|
|
|
hr = IMFTransform_SetOutputType(c->mft, c->out_stream_id, out_type, 0);
|
|
if (!FAILED(hr)) {
|
|
ret = 1;
|
|
} else if (hr == MF_E_TRANSFORM_TYPE_NOT_SET) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "rejected - need to set input type\n");
|
|
ret = 0;
|
|
} else {
|
|
av_log(avctx, AV_LOG_ERROR, "could not set output type (%s)\n", ff_hr_str(hr));
|
|
ret = AVERROR_EXTERNAL;
|
|
}
|
|
}
|
|
|
|
done:
|
|
if (out_type)
|
|
IMFMediaType_Release(out_type);
|
|
return ret;
|
|
}
|
|
|
|
static int mf_choose_input_type(AVCodecContext *avctx)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
HRESULT hr;
|
|
int ret;
|
|
IMFMediaType *in_type = NULL;
|
|
int64_t in_type_score = -1;
|
|
int in_type_index = -1;
|
|
int n;
|
|
|
|
av_log(avctx, AV_LOG_VERBOSE, "input types:\n");
|
|
for (n = 0; ; n++) {
|
|
IMFMediaType *type = NULL;
|
|
int64_t score = -1;
|
|
|
|
hr = IMFTransform_GetInputAvailableType(c->mft, c->in_stream_id, n, &type);
|
|
if (hr == MF_E_NO_MORE_TYPES || hr == E_NOTIMPL)
|
|
break;
|
|
if (hr == MF_E_TRANSFORM_TYPE_NOT_SET) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "(need to set output type 1)\n");
|
|
ret = 0;
|
|
goto done;
|
|
}
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "error getting input type: %s\n", ff_hr_str(hr));
|
|
ret = AVERROR_EXTERNAL;
|
|
goto done;
|
|
}
|
|
|
|
av_log(avctx, AV_LOG_VERBOSE, "input type %d:\n", n);
|
|
ff_media_type_dump(avctx, type);
|
|
|
|
if (c->is_video) {
|
|
score = mf_encv_input_score(avctx, type);
|
|
} else if (c->is_audio) {
|
|
score = mf_enca_input_score(avctx, type);
|
|
}
|
|
|
|
if (score > in_type_score) {
|
|
if (in_type)
|
|
IMFMediaType_Release(in_type);
|
|
in_type = type;
|
|
in_type_score = score;
|
|
in_type_index = n;
|
|
IMFMediaType_AddRef(in_type);
|
|
}
|
|
|
|
IMFMediaType_Release(type);
|
|
}
|
|
|
|
if (in_type) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "picking input type %d.\n", in_type_index);
|
|
} else {
|
|
// Some buggy MFTs (WMA encoder) fail to return MF_E_TRANSFORM_TYPE_NOT_SET.
|
|
av_log(avctx, AV_LOG_VERBOSE, "(need to set output type 2)\n");
|
|
ret = 0;
|
|
goto done;
|
|
}
|
|
|
|
ret = 0;
|
|
if (c->is_video) {
|
|
ret = mf_encv_input_adjust(avctx, in_type);
|
|
} else if (c->is_audio) {
|
|
ret = mf_enca_input_adjust(avctx, in_type);
|
|
}
|
|
|
|
if (ret >= 0) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "setting input type:\n");
|
|
ff_media_type_dump(avctx, in_type);
|
|
|
|
hr = IMFTransform_SetInputType(c->mft, c->in_stream_id, in_type, 0);
|
|
if (!FAILED(hr)) {
|
|
ret = 1;
|
|
} else if (hr == MF_E_TRANSFORM_TYPE_NOT_SET) {
|
|
av_log(avctx, AV_LOG_VERBOSE, "rejected - need to set output type\n");
|
|
ret = 0;
|
|
} else {
|
|
av_log(avctx, AV_LOG_ERROR, "could not set input type (%s)\n", ff_hr_str(hr));
|
|
ret = AVERROR_EXTERNAL;
|
|
}
|
|
}
|
|
|
|
done:
|
|
if (in_type)
|
|
IMFMediaType_Release(in_type);
|
|
return ret;
|
|
}
|
|
|
|
static int mf_negotiate_types(AVCodecContext *avctx)
|
|
{
|
|
// This follows steps 1-5 on:
|
|
// https://msdn.microsoft.com/en-us/library/windows/desktop/aa965264(v=vs.85).aspx
|
|
// If every MFT implementer does this correctly, this loop should at worst
|
|
// be repeated once.
|
|
int need_input = 1, need_output = 1;
|
|
int n;
|
|
for (n = 0; n < 2 && (need_input || need_output); n++) {
|
|
int ret;
|
|
ret = mf_choose_input_type(avctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
need_input = ret < 1;
|
|
ret = mf_choose_output_type(avctx);
|
|
if (ret < 0)
|
|
return ret;
|
|
need_output = ret < 1;
|
|
}
|
|
if (need_input || need_output) {
|
|
av_log(avctx, AV_LOG_ERROR, "format negotiation failed (%d/%d)\n",
|
|
need_input, need_output);
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mf_setup_context(AVCodecContext *avctx)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
HRESULT hr;
|
|
int ret;
|
|
|
|
hr = IMFTransform_GetInputStreamInfo(c->mft, c->in_stream_id, &c->in_info);
|
|
if (FAILED(hr))
|
|
return AVERROR_EXTERNAL;
|
|
av_log(avctx, AV_LOG_VERBOSE, "in_info: size=%d, align=%d\n",
|
|
(int)c->in_info.cbSize, (int)c->in_info.cbAlignment);
|
|
|
|
hr = IMFTransform_GetOutputStreamInfo(c->mft, c->out_stream_id, &c->out_info);
|
|
if (FAILED(hr))
|
|
return AVERROR_EXTERNAL;
|
|
c->out_stream_provides_samples =
|
|
(c->out_info.dwFlags & MFT_OUTPUT_STREAM_PROVIDES_SAMPLES) ||
|
|
(c->out_info.dwFlags & MFT_OUTPUT_STREAM_CAN_PROVIDE_SAMPLES);
|
|
av_log(avctx, AV_LOG_VERBOSE, "out_info: size=%d, align=%d%s\n",
|
|
(int)c->out_info.cbSize, (int)c->out_info.cbAlignment,
|
|
c->out_stream_provides_samples ? " (provides samples)" : "");
|
|
|
|
if ((ret = mf_output_type_get(avctx)) < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mf_unlock_async(AVCodecContext *avctx)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
HRESULT hr;
|
|
IMFAttributes *attrs;
|
|
UINT32 v;
|
|
int res = AVERROR_EXTERNAL;
|
|
|
|
// For hw encoding we unfortunately need to use async mode, otherwise
|
|
// play it safe and avoid it.
|
|
if (!(c->is_video && c->opt_enc_hw))
|
|
return 0;
|
|
|
|
hr = IMFTransform_GetAttributes(c->mft, &attrs);
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "error retrieving MFT attributes: %s\n", ff_hr_str(hr));
|
|
goto err;
|
|
}
|
|
|
|
hr = IMFAttributes_GetUINT32(attrs, &MF_TRANSFORM_ASYNC, &v);
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "error querying async: %s\n", ff_hr_str(hr));
|
|
goto err;
|
|
}
|
|
|
|
if (!v) {
|
|
av_log(avctx, AV_LOG_ERROR, "hardware MFT is not async\n");
|
|
goto err;
|
|
}
|
|
|
|
hr = IMFAttributes_SetUINT32(attrs, &MF_TRANSFORM_ASYNC_UNLOCK, TRUE);
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "could not set async unlock: %s\n", ff_hr_str(hr));
|
|
goto err;
|
|
}
|
|
|
|
hr = IMFTransform_QueryInterface(c->mft, &IID_IMFMediaEventGenerator, (void **)&c->async_events);
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "could not get async interface\n");
|
|
goto err;
|
|
}
|
|
|
|
res = 0;
|
|
|
|
err:
|
|
IMFAttributes_Release(attrs);
|
|
return res;
|
|
}
|
|
|
|
static int mf_create(void *log, IMFTransform **mft, const AVCodec *codec, int use_hw)
|
|
{
|
|
int is_audio = codec->type == AVMEDIA_TYPE_AUDIO;
|
|
const CLSID *subtype = ff_codec_to_mf_subtype(codec->id);
|
|
MFT_REGISTER_TYPE_INFO reg = {0};
|
|
GUID category;
|
|
int ret;
|
|
|
|
*mft = NULL;
|
|
|
|
if (!subtype)
|
|
return AVERROR(ENOSYS);
|
|
|
|
reg.guidSubtype = *subtype;
|
|
|
|
if (is_audio) {
|
|
reg.guidMajorType = MFMediaType_Audio;
|
|
category = MFT_CATEGORY_AUDIO_ENCODER;
|
|
} else {
|
|
reg.guidMajorType = MFMediaType_Video;
|
|
category = MFT_CATEGORY_VIDEO_ENCODER;
|
|
}
|
|
|
|
if ((ret = ff_instantiate_mf(log, category, NULL, ®, use_hw, mft)) < 0)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mf_init(AVCodecContext *avctx)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
HRESULT hr;
|
|
int ret;
|
|
const CLSID *subtype = ff_codec_to_mf_subtype(avctx->codec_id);
|
|
int use_hw = 0;
|
|
|
|
c->frame = av_frame_alloc();
|
|
if (!c->frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
c->is_audio = avctx->codec_type == AVMEDIA_TYPE_AUDIO;
|
|
c->is_video = !c->is_audio;
|
|
c->reorder_delay = AV_NOPTS_VALUE;
|
|
|
|
if (c->is_video && c->opt_enc_hw)
|
|
use_hw = 1;
|
|
|
|
if (!subtype)
|
|
return AVERROR(ENOSYS);
|
|
|
|
c->main_subtype = *subtype;
|
|
|
|
if ((ret = mf_create(avctx, &c->mft, avctx->codec, use_hw)) < 0)
|
|
return ret;
|
|
|
|
if ((ret = mf_unlock_async(avctx)) < 0)
|
|
return ret;
|
|
|
|
hr = IMFTransform_QueryInterface(c->mft, &IID_ICodecAPI, (void **)&c->codec_api);
|
|
if (!FAILED(hr))
|
|
av_log(avctx, AV_LOG_VERBOSE, "MFT supports ICodecAPI.\n");
|
|
|
|
|
|
hr = IMFTransform_GetStreamIDs(c->mft, 1, &c->in_stream_id, 1, &c->out_stream_id);
|
|
if (hr == E_NOTIMPL) {
|
|
c->in_stream_id = c->out_stream_id = 0;
|
|
} else if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "could not get stream IDs (%s)\n", ff_hr_str(hr));
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
if ((ret = mf_negotiate_types(avctx)) < 0)
|
|
return ret;
|
|
|
|
if ((ret = mf_setup_context(avctx)) < 0)
|
|
return ret;
|
|
|
|
hr = IMFTransform_ProcessMessage(c->mft, MFT_MESSAGE_NOTIFY_BEGIN_STREAMING, 0);
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "could not start streaming (%s)\n", ff_hr_str(hr));
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
hr = IMFTransform_ProcessMessage(c->mft, MFT_MESSAGE_NOTIFY_START_OF_STREAM, 0);
|
|
if (FAILED(hr)) {
|
|
av_log(avctx, AV_LOG_ERROR, "could not start stream (%s)\n", ff_hr_str(hr));
|
|
return AVERROR_EXTERNAL;
|
|
}
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER && c->async_events &&
|
|
c->is_video && !avctx->extradata) {
|
|
int sleep = 10000, total = 0;
|
|
av_log(avctx, AV_LOG_VERBOSE, "Awaiting extradata\n");
|
|
while (total < 70*1000) {
|
|
// The Qualcomm H264 encoder on SD835 doesn't provide extradata
|
|
// immediately, but it becomes available soon after init (without
|
|
// any waitable event). In practice, it's available after less
|
|
// than 10 ms, but wait for up to 70 ms before giving up.
|
|
// Some encoders (Qualcomm's HEVC encoder on SD835, some versions
|
|
// of the QSV H264 encoder at least) don't provide extradata this
|
|
// way at all, not even after encoding a frame - it's only
|
|
// available prepended to frames.
|
|
av_usleep(sleep);
|
|
total += sleep;
|
|
mf_output_type_get(avctx);
|
|
if (avctx->extradata)
|
|
break;
|
|
sleep *= 2;
|
|
}
|
|
av_log(avctx, AV_LOG_VERBOSE, "%s extradata in %d ms\n",
|
|
avctx->extradata ? "Got" : "Didn't get", total / 1000);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mf_close(AVCodecContext *avctx)
|
|
{
|
|
MFContext *c = avctx->priv_data;
|
|
|
|
if (c->codec_api)
|
|
ICodecAPI_Release(c->codec_api);
|
|
|
|
if (c->async_events)
|
|
IMFMediaEventGenerator_Release(c->async_events);
|
|
|
|
ff_free_mf(&c->mft);
|
|
|
|
av_frame_free(&c->frame);
|
|
|
|
av_freep(&avctx->extradata);
|
|
avctx->extradata_size = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(MFContext, x)
|
|
|
|
#define MF_ENCODER(MEDIATYPE, NAME, ID, OPTS, EXTRA) \
|
|
static const AVClass ff_ ## NAME ## _mf_encoder_class = { \
|
|
.class_name = #NAME "_mf", \
|
|
.item_name = av_default_item_name, \
|
|
.option = OPTS, \
|
|
.version = LIBAVUTIL_VERSION_INT, \
|
|
}; \
|
|
const AVCodec ff_ ## NAME ## _mf_encoder = { \
|
|
.priv_class = &ff_ ## NAME ## _mf_encoder_class, \
|
|
.name = #NAME "_mf", \
|
|
.long_name = NULL_IF_CONFIG_SMALL(#ID " via MediaFoundation"), \
|
|
.type = AVMEDIA_TYPE_ ## MEDIATYPE, \
|
|
.id = AV_CODEC_ID_ ## ID, \
|
|
.priv_data_size = sizeof(MFContext), \
|
|
.init = mf_init, \
|
|
.close = mf_close, \
|
|
.receive_packet = mf_receive_packet, \
|
|
EXTRA \
|
|
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID | \
|
|
AV_CODEC_CAP_DR1, \
|
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | \
|
|
FF_CODEC_CAP_INIT_CLEANUP, \
|
|
};
|
|
|
|
#define AFMTS \
|
|
.sample_fmts = (const enum AVSampleFormat[]){ AV_SAMPLE_FMT_S16, \
|
|
AV_SAMPLE_FMT_NONE },
|
|
|
|
MF_ENCODER(AUDIO, aac, AAC, NULL, AFMTS);
|
|
MF_ENCODER(AUDIO, ac3, AC3, NULL, AFMTS);
|
|
MF_ENCODER(AUDIO, mp3, MP3, NULL, AFMTS);
|
|
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
static const AVOption venc_opts[] = {
|
|
{"rate_control", "Select rate control mode", OFFSET(opt_enc_rc), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "rate_control"},
|
|
{ "default", "Default mode", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, VE, "rate_control"},
|
|
{ "cbr", "CBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_CBR}, 0, 0, VE, "rate_control"},
|
|
{ "pc_vbr", "Peak constrained VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_PeakConstrainedVBR}, 0, 0, VE, "rate_control"},
|
|
{ "u_vbr", "Unconstrained VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_UnconstrainedVBR}, 0, 0, VE, "rate_control"},
|
|
{ "quality", "Quality mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_Quality}, 0, 0, VE, "rate_control" },
|
|
// The following rate_control modes require Windows 8.
|
|
{ "ld_vbr", "Low delay VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_LowDelayVBR}, 0, 0, VE, "rate_control"},
|
|
{ "g_vbr", "Global VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_GlobalVBR}, 0, 0, VE, "rate_control" },
|
|
{ "gld_vbr", "Global low delay VBR mode", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVEncCommonRateControlMode_GlobalLowDelayVBR}, 0, 0, VE, "rate_control"},
|
|
|
|
{"scenario", "Select usage scenario", OFFSET(opt_enc_scenario), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE, "scenario"},
|
|
{ "default", "Default scenario", 0, AV_OPT_TYPE_CONST, {.i64 = -1}, 0, 0, VE, "scenario"},
|
|
{ "display_remoting", "Display remoting", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_DisplayRemoting}, 0, 0, VE, "scenario"},
|
|
{ "video_conference", "Video conference", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_VideoConference}, 0, 0, VE, "scenario"},
|
|
{ "archive", "Archive", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_Archive}, 0, 0, VE, "scenario"},
|
|
{ "live_streaming", "Live streaming", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_LiveStreaming}, 0, 0, VE, "scenario"},
|
|
{ "camera_record", "Camera record", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_CameraRecord}, 0, 0, VE, "scenario"},
|
|
{ "display_remoting_with_feature_map", "Display remoting with feature map", 0, AV_OPT_TYPE_CONST, {.i64 = ff_eAVScenarioInfo_DisplayRemotingWithFeatureMap}, 0, 0, VE, "scenario"},
|
|
|
|
{"quality", "Quality", OFFSET(opt_enc_quality), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
|
|
{"hw_encoding", "Force hardware encoding", OFFSET(opt_enc_hw), AV_OPT_TYPE_BOOL, {.i64 = 0}, 0, 1, VE},
|
|
{NULL}
|
|
};
|
|
|
|
#define VFMTS \
|
|
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, \
|
|
AV_PIX_FMT_YUV420P, \
|
|
AV_PIX_FMT_NONE },
|
|
|
|
MF_ENCODER(VIDEO, h264, H264, venc_opts, VFMTS);
|
|
MF_ENCODER(VIDEO, hevc, HEVC, venc_opts, VFMTS);
|