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587 lines
19 KiB
C
Executable File
587 lines
19 KiB
C
Executable File
/*
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* RockChip MPP Video Decoder
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* Copyright (c) 2017 Lionel CHAZALLON
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*
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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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#include <drm_fourcc.h>
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#include <pthread.h>
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#include <rockchip/mpp_buffer.h>
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#include <rockchip/rk_mpi.h>
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#include <time.h>
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#include <unistd.h>
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#include "avcodec.h"
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#include "decode.h"
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#include "hwconfig.h"
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#include "internal.h"
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#include "libavutil/buffer.h"
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#include "libavutil/common.h"
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#include "libavutil/frame.h"
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#include "libavutil/hwcontext.h"
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#include "libavutil/hwcontext_drm.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/log.h"
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#define RECEIVE_FRAME_TIMEOUT 100
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#define FRAMEGROUP_MAX_FRAMES 16
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#define INPUT_MAX_PACKETS 4
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typedef struct {
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MppCtx ctx;
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MppApi *mpi;
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MppBufferGroup frame_group;
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char first_packet;
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char eos_reached;
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AVBufferRef *frames_ref;
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AVBufferRef *device_ref;
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} RKMPPDecoder;
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typedef struct {
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AVClass *av_class;
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AVBufferRef *decoder_ref;
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} RKMPPDecodeContext;
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typedef struct {
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MppFrame frame;
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AVBufferRef *decoder_ref;
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} RKMPPFrameContext;
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static MppCodingType rkmpp_get_codingtype(AVCodecContext *avctx)
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{
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switch (avctx->codec_id) {
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case AV_CODEC_ID_H264: return MPP_VIDEO_CodingAVC;
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case AV_CODEC_ID_HEVC: return MPP_VIDEO_CodingHEVC;
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case AV_CODEC_ID_VP8: return MPP_VIDEO_CodingVP8;
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case AV_CODEC_ID_VP9: return MPP_VIDEO_CodingVP9;
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default: return MPP_VIDEO_CodingUnused;
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}
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}
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static uint32_t rkmpp_get_frameformat(MppFrameFormat mppformat)
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{
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switch (mppformat) {
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case MPP_FMT_YUV420SP: return DRM_FORMAT_NV12;
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#ifdef DRM_FORMAT_NV12_10
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case MPP_FMT_YUV420SP_10BIT: return DRM_FORMAT_NV12_10;
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#endif
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default: return 0;
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}
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}
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static int rkmpp_write_data(AVCodecContext *avctx, uint8_t *buffer, int size, int64_t pts)
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{
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RKMPPDecodeContext *rk_context = avctx->priv_data;
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RKMPPDecoder *decoder = (RKMPPDecoder *)rk_context->decoder_ref->data;
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int ret;
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MppPacket packet;
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// create the MPP packet
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ret = mpp_packet_init(&packet, buffer, size);
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if (ret != MPP_OK) {
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av_log(avctx, AV_LOG_ERROR, "Failed to init MPP packet (code = %d)\n", ret);
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return AVERROR_UNKNOWN;
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}
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mpp_packet_set_pts(packet, pts);
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if (!buffer)
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mpp_packet_set_eos(packet);
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ret = decoder->mpi->decode_put_packet(decoder->ctx, packet);
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if (ret != MPP_OK) {
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if (ret == MPP_ERR_BUFFER_FULL) {
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av_log(avctx, AV_LOG_DEBUG, "Buffer full writing %d bytes to decoder\n", size);
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ret = AVERROR(EAGAIN);
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} else
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ret = AVERROR_UNKNOWN;
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}
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else
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av_log(avctx, AV_LOG_DEBUG, "Wrote %d bytes to decoder\n", size);
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mpp_packet_deinit(&packet);
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return ret;
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}
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static int rkmpp_close_decoder(AVCodecContext *avctx)
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{
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RKMPPDecodeContext *rk_context = avctx->priv_data;
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av_buffer_unref(&rk_context->decoder_ref);
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return 0;
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}
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static void rkmpp_release_decoder(void *opaque, uint8_t *data)
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{
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RKMPPDecoder *decoder = (RKMPPDecoder *)data;
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if (decoder->mpi) {
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decoder->mpi->reset(decoder->ctx);
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mpp_destroy(decoder->ctx);
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decoder->ctx = NULL;
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}
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if (decoder->frame_group) {
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mpp_buffer_group_put(decoder->frame_group);
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decoder->frame_group = NULL;
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}
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av_buffer_unref(&decoder->frames_ref);
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av_buffer_unref(&decoder->device_ref);
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av_free(decoder);
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}
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static int rkmpp_init_decoder(AVCodecContext *avctx)
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{
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RKMPPDecodeContext *rk_context = avctx->priv_data;
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RKMPPDecoder *decoder = NULL;
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MppCodingType codectype = MPP_VIDEO_CodingUnused;
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int ret;
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RK_S64 paramS64;
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RK_S32 paramS32;
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avctx->pix_fmt = AV_PIX_FMT_DRM_PRIME;
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// create a decoder and a ref to it
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decoder = av_mallocz(sizeof(RKMPPDecoder));
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if (!decoder) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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rk_context->decoder_ref = av_buffer_create((uint8_t *)decoder, sizeof(*decoder), rkmpp_release_decoder,
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NULL, AV_BUFFER_FLAG_READONLY);
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if (!rk_context->decoder_ref) {
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av_free(decoder);
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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av_log(avctx, AV_LOG_DEBUG, "Initializing RKMPP decoder.\n");
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codectype = rkmpp_get_codingtype(avctx);
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if (codectype == MPP_VIDEO_CodingUnused) {
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av_log(avctx, AV_LOG_ERROR, "Unknown codec type (%d).\n", avctx->codec_id);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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ret = mpp_check_support_format(MPP_CTX_DEC, codectype);
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if (ret != MPP_OK) {
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av_log(avctx, AV_LOG_ERROR, "Codec type (%d) unsupported by MPP\n", avctx->codec_id);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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// Create the MPP context
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ret = mpp_create(&decoder->ctx, &decoder->mpi);
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if (ret != MPP_OK) {
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av_log(avctx, AV_LOG_ERROR, "Failed to create MPP context (code = %d).\n", ret);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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// initialize mpp
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ret = mpp_init(decoder->ctx, MPP_CTX_DEC, codectype);
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if (ret != MPP_OK) {
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av_log(avctx, AV_LOG_ERROR, "Failed to initialize MPP context (code = %d).\n", ret);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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// make decode calls blocking with a timeout
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paramS32 = MPP_POLL_BLOCK;
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ret = decoder->mpi->control(decoder->ctx, MPP_SET_OUTPUT_BLOCK, ¶mS32);
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if (ret != MPP_OK) {
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av_log(avctx, AV_LOG_ERROR, "Failed to set blocking mode on MPI (code = %d).\n", ret);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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paramS64 = RECEIVE_FRAME_TIMEOUT;
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ret = decoder->mpi->control(decoder->ctx, MPP_SET_OUTPUT_BLOCK_TIMEOUT, ¶mS64);
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if (ret != MPP_OK) {
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av_log(avctx, AV_LOG_ERROR, "Failed to set block timeout on MPI (code = %d).\n", ret);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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ret = mpp_buffer_group_get_internal(&decoder->frame_group, MPP_BUFFER_TYPE_ION);
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if (ret) {
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av_log(avctx, AV_LOG_ERROR, "Failed to retrieve buffer group (code = %d)\n", ret);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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ret = decoder->mpi->control(decoder->ctx, MPP_DEC_SET_EXT_BUF_GROUP, decoder->frame_group);
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if (ret) {
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av_log(avctx, AV_LOG_ERROR, "Failed to assign buffer group (code = %d)\n", ret);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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ret = mpp_buffer_group_limit_config(decoder->frame_group, 0, FRAMEGROUP_MAX_FRAMES);
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if (ret) {
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av_log(avctx, AV_LOG_ERROR, "Failed to set buffer group limit (code = %d)\n", ret);
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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decoder->first_packet = 1;
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av_log(avctx, AV_LOG_DEBUG, "RKMPP decoder initialized successfully.\n");
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decoder->device_ref = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_DRM);
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if (!decoder->device_ref) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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ret = av_hwdevice_ctx_init(decoder->device_ref);
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if (ret < 0)
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goto fail;
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return 0;
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fail:
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av_log(avctx, AV_LOG_ERROR, "Failed to initialize RKMPP decoder.\n");
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rkmpp_close_decoder(avctx);
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return ret;
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}
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static int rkmpp_send_packet(AVCodecContext *avctx, const AVPacket *avpkt)
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{
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RKMPPDecodeContext *rk_context = avctx->priv_data;
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RKMPPDecoder *decoder = (RKMPPDecoder *)rk_context->decoder_ref->data;
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int ret;
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// handle EOF
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if (!avpkt->size) {
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av_log(avctx, AV_LOG_DEBUG, "End of stream.\n");
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decoder->eos_reached = 1;
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ret = rkmpp_write_data(avctx, NULL, 0, 0);
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if (ret)
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av_log(avctx, AV_LOG_ERROR, "Failed to send EOS to decoder (code = %d)\n", ret);
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return ret;
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}
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// on first packet, send extradata
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if (decoder->first_packet) {
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if (avctx->extradata_size) {
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ret = rkmpp_write_data(avctx, avctx->extradata,
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avctx->extradata_size,
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avpkt->pts);
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if (ret) {
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av_log(avctx, AV_LOG_ERROR, "Failed to write extradata to decoder (code = %d)\n", ret);
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return ret;
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}
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}
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decoder->first_packet = 0;
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}
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// now send packet
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ret = rkmpp_write_data(avctx, avpkt->data, avpkt->size, avpkt->pts);
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if (ret && ret!=AVERROR(EAGAIN))
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av_log(avctx, AV_LOG_ERROR, "Failed to write data to decoder (code = %d)\n", ret);
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return ret;
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}
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static void rkmpp_release_frame(void *opaque, uint8_t *data)
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{
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AVDRMFrameDescriptor *desc = (AVDRMFrameDescriptor *)data;
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AVBufferRef *framecontextref = (AVBufferRef *)opaque;
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RKMPPFrameContext *framecontext = (RKMPPFrameContext *)framecontextref->data;
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mpp_frame_deinit(&framecontext->frame);
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av_buffer_unref(&framecontext->decoder_ref);
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av_buffer_unref(&framecontextref);
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av_free(desc);
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}
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static int rkmpp_retrieve_frame(AVCodecContext *avctx, AVFrame *frame)
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{
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RKMPPDecodeContext *rk_context = avctx->priv_data;
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RKMPPDecoder *decoder = (RKMPPDecoder *)rk_context->decoder_ref->data;
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RKMPPFrameContext *framecontext = NULL;
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AVBufferRef *framecontextref = NULL;
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int ret;
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MppFrame mppframe = NULL;
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MppBuffer buffer = NULL;
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AVDRMFrameDescriptor *desc = NULL;
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AVDRMLayerDescriptor *layer = NULL;
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int mode;
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MppFrameFormat mppformat;
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uint32_t drmformat;
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ret = decoder->mpi->decode_get_frame(decoder->ctx, &mppframe);
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if (ret != MPP_OK && ret != MPP_ERR_TIMEOUT) {
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av_log(avctx, AV_LOG_ERROR, "Failed to get a frame from MPP (code = %d)\n", ret);
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goto fail;
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}
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if (mppframe) {
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// Check whether we have a special frame or not
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if (mpp_frame_get_info_change(mppframe)) {
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AVHWFramesContext *hwframes;
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av_log(avctx, AV_LOG_INFO, "Decoder noticed an info change (%dx%d), format=%d\n",
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(int)mpp_frame_get_width(mppframe), (int)mpp_frame_get_height(mppframe),
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(int)mpp_frame_get_fmt(mppframe));
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avctx->width = mpp_frame_get_width(mppframe);
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avctx->height = mpp_frame_get_height(mppframe);
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decoder->mpi->control(decoder->ctx, MPP_DEC_SET_INFO_CHANGE_READY, NULL);
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av_buffer_unref(&decoder->frames_ref);
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decoder->frames_ref = av_hwframe_ctx_alloc(decoder->device_ref);
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if (!decoder->frames_ref) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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mppformat = mpp_frame_get_fmt(mppframe);
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drmformat = rkmpp_get_frameformat(mppformat);
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hwframes = (AVHWFramesContext*)decoder->frames_ref->data;
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hwframes->format = AV_PIX_FMT_DRM_PRIME;
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hwframes->sw_format = drmformat == DRM_FORMAT_NV12 ? AV_PIX_FMT_NV12 : AV_PIX_FMT_NONE;
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hwframes->width = avctx->width;
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hwframes->height = avctx->height;
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ret = av_hwframe_ctx_init(decoder->frames_ref);
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if (ret < 0)
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goto fail;
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// here decoder is fully initialized, we need to feed it again with data
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ret = AVERROR(EAGAIN);
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goto fail;
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} else if (mpp_frame_get_eos(mppframe)) {
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av_log(avctx, AV_LOG_DEBUG, "Received a EOS frame.\n");
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decoder->eos_reached = 1;
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ret = AVERROR_EOF;
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goto fail;
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} else if (mpp_frame_get_discard(mppframe)) {
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av_log(avctx, AV_LOG_DEBUG, "Received a discard frame.\n");
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ret = AVERROR(EAGAIN);
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goto fail;
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} else if (mpp_frame_get_errinfo(mppframe)) {
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av_log(avctx, AV_LOG_ERROR, "Received a errinfo frame.\n");
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ret = AVERROR_UNKNOWN;
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goto fail;
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}
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// here we should have a valid frame
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av_log(avctx, AV_LOG_DEBUG, "Received a frame.\n");
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// setup general frame fields
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frame->format = AV_PIX_FMT_DRM_PRIME;
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frame->width = mpp_frame_get_width(mppframe);
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frame->height = mpp_frame_get_height(mppframe);
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frame->pts = mpp_frame_get_pts(mppframe);
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frame->color_range = mpp_frame_get_color_range(mppframe);
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frame->color_primaries = mpp_frame_get_color_primaries(mppframe);
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frame->color_trc = mpp_frame_get_color_trc(mppframe);
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frame->colorspace = mpp_frame_get_colorspace(mppframe);
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mode = mpp_frame_get_mode(mppframe);
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frame->interlaced_frame = ((mode & MPP_FRAME_FLAG_FIELD_ORDER_MASK) == MPP_FRAME_FLAG_DEINTERLACED);
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frame->top_field_first = ((mode & MPP_FRAME_FLAG_FIELD_ORDER_MASK) == MPP_FRAME_FLAG_TOP_FIRST);
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mppformat = mpp_frame_get_fmt(mppframe);
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drmformat = rkmpp_get_frameformat(mppformat);
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// now setup the frame buffer info
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buffer = mpp_frame_get_buffer(mppframe);
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if (buffer) {
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desc = av_mallocz(sizeof(AVDRMFrameDescriptor));
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if (!desc) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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desc->nb_objects = 1;
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desc->objects[0].fd = mpp_buffer_get_fd(buffer);
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desc->objects[0].size = mpp_buffer_get_size(buffer);
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desc->nb_layers = 1;
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layer = &desc->layers[0];
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layer->format = drmformat;
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layer->nb_planes = 2;
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layer->planes[0].object_index = 0;
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layer->planes[0].offset = 0;
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layer->planes[0].pitch = mpp_frame_get_hor_stride(mppframe);
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layer->planes[1].object_index = 0;
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layer->planes[1].offset = layer->planes[0].pitch * mpp_frame_get_ver_stride(mppframe);
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layer->planes[1].pitch = layer->planes[0].pitch;
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// we also allocate a struct in buf[0] that will allow to hold additionnal information
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// for releasing properly MPP frames and decoder
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framecontextref = av_buffer_allocz(sizeof(*framecontext));
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if (!framecontextref) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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// MPP decoder needs to be closed only when all frames have been released.
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framecontext = (RKMPPFrameContext *)framecontextref->data;
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framecontext->decoder_ref = av_buffer_ref(rk_context->decoder_ref);
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framecontext->frame = mppframe;
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frame->data[0] = (uint8_t *)desc;
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frame->buf[0] = av_buffer_create((uint8_t *)desc, sizeof(*desc), rkmpp_release_frame,
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framecontextref, AV_BUFFER_FLAG_READONLY);
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if (!frame->buf[0]) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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frame->hw_frames_ctx = av_buffer_ref(decoder->frames_ref);
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if (!frame->hw_frames_ctx) {
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ret = AVERROR(ENOMEM);
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goto fail;
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}
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return 0;
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} else {
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av_log(avctx, AV_LOG_ERROR, "Failed to retrieve the frame buffer, frame is dropped (code = %d)\n", ret);
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mpp_frame_deinit(&mppframe);
|
|
}
|
|
} else if (decoder->eos_reached) {
|
|
return AVERROR_EOF;
|
|
} else if (ret == MPP_ERR_TIMEOUT) {
|
|
av_log(avctx, AV_LOG_DEBUG, "Timeout when trying to get a frame from MPP\n");
|
|
}
|
|
|
|
return AVERROR(EAGAIN);
|
|
|
|
fail:
|
|
if (mppframe)
|
|
mpp_frame_deinit(&mppframe);
|
|
|
|
if (framecontext)
|
|
av_buffer_unref(&framecontext->decoder_ref);
|
|
|
|
if (framecontextref)
|
|
av_buffer_unref(&framecontextref);
|
|
|
|
if (desc)
|
|
av_free(desc);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rkmpp_receive_frame(AVCodecContext *avctx, AVFrame *frame)
|
|
{
|
|
RKMPPDecodeContext *rk_context = avctx->priv_data;
|
|
RKMPPDecoder *decoder = (RKMPPDecoder *)rk_context->decoder_ref->data;
|
|
int ret = MPP_NOK;
|
|
AVPacket pkt = {0};
|
|
RK_S32 usedslots, freeslots;
|
|
|
|
if (!decoder->eos_reached) {
|
|
// we get the available slots in decoder
|
|
ret = decoder->mpi->control(decoder->ctx, MPP_DEC_GET_STREAM_COUNT, &usedslots);
|
|
if (ret != MPP_OK) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to get decoder used slots (code = %d).\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
freeslots = INPUT_MAX_PACKETS - usedslots;
|
|
if (freeslots > 0) {
|
|
ret = ff_decode_get_packet(avctx, &pkt);
|
|
if (ret < 0 && ret != AVERROR_EOF) {
|
|
return ret;
|
|
}
|
|
|
|
ret = rkmpp_send_packet(avctx, &pkt);
|
|
av_packet_unref(&pkt);
|
|
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to send packet to decoder (code = %d)\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
// make sure we keep decoder full
|
|
if (freeslots > 1)
|
|
return AVERROR(EAGAIN);
|
|
}
|
|
|
|
return rkmpp_retrieve_frame(avctx, frame);
|
|
}
|
|
|
|
static void rkmpp_flush(AVCodecContext *avctx)
|
|
{
|
|
RKMPPDecodeContext *rk_context = avctx->priv_data;
|
|
RKMPPDecoder *decoder = (RKMPPDecoder *)rk_context->decoder_ref->data;
|
|
int ret = MPP_NOK;
|
|
|
|
av_log(avctx, AV_LOG_DEBUG, "Flush.\n");
|
|
|
|
ret = decoder->mpi->reset(decoder->ctx);
|
|
if (ret == MPP_OK) {
|
|
decoder->first_packet = 1;
|
|
} else
|
|
av_log(avctx, AV_LOG_ERROR, "Failed to reset MPI (code = %d)\n", ret);
|
|
}
|
|
|
|
static const AVCodecHWConfigInternal *rkmpp_hw_configs[] = {
|
|
HW_CONFIG_INTERNAL(DRM_PRIME),
|
|
NULL
|
|
};
|
|
|
|
#define RKMPP_DEC_CLASS(NAME) \
|
|
static const AVClass rkmpp_##NAME##_dec_class = { \
|
|
.class_name = "rkmpp_" #NAME "_dec", \
|
|
.version = LIBAVUTIL_VERSION_INT, \
|
|
};
|
|
|
|
#define RKMPP_DEC(NAME, ID, BSFS) \
|
|
RKMPP_DEC_CLASS(NAME) \
|
|
AVCodec ff_##NAME##_rkmpp_decoder = { \
|
|
.name = #NAME "_rkmpp", \
|
|
.long_name = NULL_IF_CONFIG_SMALL(#NAME " (rkmpp)"), \
|
|
.type = AVMEDIA_TYPE_VIDEO, \
|
|
.id = ID, \
|
|
.priv_data_size = sizeof(RKMPPDecodeContext), \
|
|
.init = rkmpp_init_decoder, \
|
|
.close = rkmpp_close_decoder, \
|
|
.receive_frame = rkmpp_receive_frame, \
|
|
.flush = rkmpp_flush, \
|
|
.priv_class = &rkmpp_##NAME##_dec_class, \
|
|
.capabilities = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_AVOID_PROBING | AV_CODEC_CAP_HARDWARE, \
|
|
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_DRM_PRIME, \
|
|
AV_PIX_FMT_NONE}, \
|
|
.hw_configs = rkmpp_hw_configs, \
|
|
.bsfs = BSFS, \
|
|
.wrapper_name = "rkmpp", \
|
|
};
|
|
|
|
RKMPP_DEC(h264, AV_CODEC_ID_H264, "h264_mp4toannexb")
|
|
RKMPP_DEC(hevc, AV_CODEC_ID_HEVC, "hevc_mp4toannexb")
|
|
RKMPP_DEC(vp8, AV_CODEC_ID_VP8, NULL)
|
|
RKMPP_DEC(vp9, AV_CODEC_ID_VP9, NULL)
|