mirror of https://git.ffmpeg.org/ffmpeg.git
932 lines
36 KiB
C
932 lines
36 KiB
C
/*
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* OMX Video encoder
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* Copyright (C) 2011 Martin Storsjo
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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 "config.h"
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#if CONFIG_OMX_RPI
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#define OMX_SKIP64BIT
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#endif
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#include <dlfcn.h>
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#include <OMX_Core.h>
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#include <OMX_Component.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/time.h>
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#include "libavutil/avstring.h"
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#include "libavutil/avutil.h"
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#include "libavutil/common.h"
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#include "libavutil/imgutils.h"
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#include "libavutil/log.h"
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#include "libavutil/opt.h"
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#include "avcodec.h"
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#include "h264.h"
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#include "internal.h"
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#ifdef OMX_SKIP64BIT
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static OMX_TICKS to_omx_ticks(int64_t value)
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{
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OMX_TICKS s;
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s.nLowPart = value & 0xffffffff;
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s.nHighPart = value >> 32;
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return s;
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}
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static int64_t from_omx_ticks(OMX_TICKS value)
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{
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return (((int64_t)value.nHighPart) << 32) | value.nLowPart;
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}
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#else
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#define to_omx_ticks(x) (x)
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#define from_omx_ticks(x) (x)
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#endif
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#define INIT_STRUCT(x) do { \
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x.nSize = sizeof(x); \
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x.nVersion = s->version; \
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} while (0)
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#define CHECK(x) do { \
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if (x != OMX_ErrorNone) { \
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av_log(avctx, AV_LOG_ERROR, \
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"err %x (%d) on line %d\n", x, x, __LINE__); \
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return AVERROR_UNKNOWN; \
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} \
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} while (0)
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typedef struct OMXContext {
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void *lib;
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void *lib2;
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OMX_ERRORTYPE (*ptr_Init)(void);
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OMX_ERRORTYPE (*ptr_Deinit)(void);
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OMX_ERRORTYPE (*ptr_ComponentNameEnum)(OMX_STRING, OMX_U32, OMX_U32);
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OMX_ERRORTYPE (*ptr_GetHandle)(OMX_HANDLETYPE*, OMX_STRING, OMX_PTR, OMX_CALLBACKTYPE*);
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OMX_ERRORTYPE (*ptr_FreeHandle)(OMX_HANDLETYPE);
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OMX_ERRORTYPE (*ptr_GetComponentsOfRole)(OMX_STRING, OMX_U32*, OMX_U8**);
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OMX_ERRORTYPE (*ptr_GetRolesOfComponent)(OMX_STRING, OMX_U32*, OMX_U8**);
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void (*host_init)(void);
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} OMXContext;
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static av_cold void *dlsym_prefixed(void *handle, const char *symbol, const char *prefix)
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{
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char buf[50];
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snprintf(buf, sizeof(buf), "%s%s", prefix ? prefix : "", symbol);
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return dlsym(handle, buf);
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}
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static av_cold int omx_try_load(OMXContext *s, void *logctx,
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const char *libname, const char *prefix,
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const char *libname2)
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{
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if (libname2) {
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s->lib2 = dlopen(libname2, RTLD_NOW | RTLD_GLOBAL);
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if (!s->lib2) {
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av_log(logctx, AV_LOG_WARNING, "%s not found\n", libname);
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return AVERROR_ENCODER_NOT_FOUND;
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}
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s->host_init = dlsym(s->lib2, "bcm_host_init");
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if (!s->host_init) {
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av_log(logctx, AV_LOG_WARNING, "bcm_host_init not found\n");
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dlclose(s->lib2);
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s->lib2 = NULL;
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return AVERROR_ENCODER_NOT_FOUND;
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}
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}
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s->lib = dlopen(libname, RTLD_NOW | RTLD_GLOBAL);
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if (!s->lib) {
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av_log(logctx, AV_LOG_WARNING, "%s not found\n", libname);
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return AVERROR_ENCODER_NOT_FOUND;
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}
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s->ptr_Init = dlsym_prefixed(s->lib, "OMX_Init", prefix);
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s->ptr_Deinit = dlsym_prefixed(s->lib, "OMX_Deinit", prefix);
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s->ptr_ComponentNameEnum = dlsym_prefixed(s->lib, "OMX_ComponentNameEnum", prefix);
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s->ptr_GetHandle = dlsym_prefixed(s->lib, "OMX_GetHandle", prefix);
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s->ptr_FreeHandle = dlsym_prefixed(s->lib, "OMX_FreeHandle", prefix);
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s->ptr_GetComponentsOfRole = dlsym_prefixed(s->lib, "OMX_GetComponentsOfRole", prefix);
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s->ptr_GetRolesOfComponent = dlsym_prefixed(s->lib, "OMX_GetRolesOfComponent", prefix);
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if (!s->ptr_Init || !s->ptr_Deinit || !s->ptr_ComponentNameEnum ||
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!s->ptr_GetHandle || !s->ptr_FreeHandle ||
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!s->ptr_GetComponentsOfRole || !s->ptr_GetRolesOfComponent) {
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av_log(logctx, AV_LOG_WARNING, "Not all functions found in %s\n", libname);
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dlclose(s->lib);
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s->lib = NULL;
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if (s->lib2)
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dlclose(s->lib2);
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s->lib2 = NULL;
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return AVERROR_ENCODER_NOT_FOUND;
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}
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return 0;
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}
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static av_cold OMXContext *omx_init(void *logctx, const char *libname, const char *prefix)
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{
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static const char * const libnames[] = {
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#if CONFIG_OMX_RPI
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"/opt/vc/lib/libopenmaxil.so", "/opt/vc/lib/libbcm_host.so",
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#else
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"libOMX_Core.so", NULL,
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"libOmxCore.so", NULL,
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#endif
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NULL
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};
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const char* const* nameptr;
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int ret = AVERROR_ENCODER_NOT_FOUND;
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OMXContext *omx_context;
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omx_context = av_mallocz(sizeof(*omx_context));
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if (!omx_context)
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return NULL;
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if (libname) {
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ret = omx_try_load(omx_context, logctx, libname, prefix, NULL);
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if (ret < 0) {
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av_free(omx_context);
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return NULL;
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}
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} else {
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for (nameptr = libnames; *nameptr; nameptr += 2)
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if (!(ret = omx_try_load(omx_context, logctx, nameptr[0], prefix, nameptr[1])))
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break;
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if (!*nameptr) {
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av_free(omx_context);
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return NULL;
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}
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}
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if (omx_context->host_init)
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omx_context->host_init();
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omx_context->ptr_Init();
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return omx_context;
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}
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static av_cold void omx_deinit(OMXContext *omx_context)
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{
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if (!omx_context)
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return;
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omx_context->ptr_Deinit();
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dlclose(omx_context->lib);
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av_free(omx_context);
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}
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typedef struct OMXCodecContext {
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const AVClass *class;
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char *libname;
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char *libprefix;
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OMXContext *omx_context;
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AVCodecContext *avctx;
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char component_name[OMX_MAX_STRINGNAME_SIZE];
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OMX_VERSIONTYPE version;
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OMX_HANDLETYPE handle;
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int in_port, out_port;
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OMX_COLOR_FORMATTYPE color_format;
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int stride, plane_size;
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int num_in_buffers, num_out_buffers;
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OMX_BUFFERHEADERTYPE **in_buffer_headers;
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OMX_BUFFERHEADERTYPE **out_buffer_headers;
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int num_free_in_buffers;
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OMX_BUFFERHEADERTYPE **free_in_buffers;
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int num_done_out_buffers;
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OMX_BUFFERHEADERTYPE **done_out_buffers;
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pthread_mutex_t input_mutex;
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pthread_cond_t input_cond;
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pthread_mutex_t output_mutex;
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pthread_cond_t output_cond;
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pthread_mutex_t state_mutex;
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pthread_cond_t state_cond;
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OMX_STATETYPE state;
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OMX_ERRORTYPE error;
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int mutex_cond_inited;
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int num_in_frames, num_out_frames;
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uint8_t *output_buf;
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int output_buf_size;
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int input_zerocopy;
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} OMXCodecContext;
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static void append_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
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int* array_size, OMX_BUFFERHEADERTYPE **array,
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OMX_BUFFERHEADERTYPE *buffer)
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{
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pthread_mutex_lock(mutex);
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array[(*array_size)++] = buffer;
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pthread_cond_broadcast(cond);
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pthread_mutex_unlock(mutex);
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}
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static OMX_BUFFERHEADERTYPE *get_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
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int* array_size, OMX_BUFFERHEADERTYPE **array,
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int wait)
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{
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OMX_BUFFERHEADERTYPE *buffer;
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pthread_mutex_lock(mutex);
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if (wait) {
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while (!*array_size)
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pthread_cond_wait(cond, mutex);
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}
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if (*array_size > 0) {
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buffer = array[0];
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(*array_size)--;
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memmove(&array[0], &array[1], (*array_size) * sizeof(OMX_BUFFERHEADERTYPE*));
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} else {
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buffer = NULL;
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}
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pthread_mutex_unlock(mutex);
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return buffer;
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}
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static OMX_ERRORTYPE event_handler(OMX_HANDLETYPE component, OMX_PTR app_data, OMX_EVENTTYPE event,
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OMX_U32 data1, OMX_U32 data2, OMX_PTR event_data)
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{
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OMXCodecContext *s = app_data;
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// This uses casts in the printfs, since OMX_U32 actually is a typedef for
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// unsigned long in official header versions (but there are also modified
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// versions where it is something else).
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switch (event) {
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case OMX_EventError:
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pthread_mutex_lock(&s->state_mutex);
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av_log(s->avctx, AV_LOG_ERROR, "OMX error %"PRIx32"\n", (uint32_t) data1);
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s->error = data1;
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pthread_cond_broadcast(&s->state_cond);
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pthread_mutex_unlock(&s->state_mutex);
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break;
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case OMX_EventCmdComplete:
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if (data1 == OMX_CommandStateSet) {
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pthread_mutex_lock(&s->state_mutex);
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s->state = data2;
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av_log(s->avctx, AV_LOG_VERBOSE, "OMX state changed to %"PRIu32"\n", (uint32_t) data2);
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pthread_cond_broadcast(&s->state_cond);
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pthread_mutex_unlock(&s->state_mutex);
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} else if (data1 == OMX_CommandPortDisable) {
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av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" disabled\n", (uint32_t) data2);
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} else if (data1 == OMX_CommandPortEnable) {
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av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" enabled\n", (uint32_t) data2);
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} else {
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av_log(s->avctx, AV_LOG_VERBOSE, "OMX command complete, command %"PRIu32", value %"PRIu32"\n",
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(uint32_t) data1, (uint32_t) data2);
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}
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break;
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case OMX_EventPortSettingsChanged:
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av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" settings changed\n", (uint32_t) data1);
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break;
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default:
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av_log(s->avctx, AV_LOG_VERBOSE, "OMX event %d %"PRIx32" %"PRIx32"\n",
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event, (uint32_t) data1, (uint32_t) data2);
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break;
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}
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return OMX_ErrorNone;
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}
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static OMX_ERRORTYPE empty_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
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OMX_BUFFERHEADERTYPE *buffer)
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{
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OMXCodecContext *s = app_data;
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if (s->input_zerocopy) {
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if (buffer->pAppPrivate) {
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if (buffer->pOutputPortPrivate)
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av_free(buffer->pAppPrivate);
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else
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av_frame_free((AVFrame**)&buffer->pAppPrivate);
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buffer->pAppPrivate = NULL;
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}
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}
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append_buffer(&s->input_mutex, &s->input_cond,
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&s->num_free_in_buffers, s->free_in_buffers, buffer);
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return OMX_ErrorNone;
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}
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static OMX_ERRORTYPE fill_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
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OMX_BUFFERHEADERTYPE *buffer)
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{
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OMXCodecContext *s = app_data;
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append_buffer(&s->output_mutex, &s->output_cond,
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&s->num_done_out_buffers, s->done_out_buffers, buffer);
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return OMX_ErrorNone;
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}
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static const OMX_CALLBACKTYPE callbacks = {
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event_handler,
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empty_buffer_done,
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fill_buffer_done
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};
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static av_cold int find_component(OMXContext *omx_context, void *logctx,
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const char *role, char *str, int str_size)
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{
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OMX_U32 i, num = 0;
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char **components;
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int ret = 0;
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#if CONFIG_OMX_RPI
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if (av_strstart(role, "video_encoder.", NULL)) {
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av_strlcpy(str, "OMX.broadcom.video_encode", str_size);
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return 0;
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}
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#endif
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omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, NULL);
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if (!num) {
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av_log(logctx, AV_LOG_WARNING, "No component for role %s found\n", role);
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return AVERROR_ENCODER_NOT_FOUND;
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}
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components = av_mallocz_array(num, sizeof(*components));
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if (!components)
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return AVERROR(ENOMEM);
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for (i = 0; i < num; i++) {
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components[i] = av_mallocz(OMX_MAX_STRINGNAME_SIZE);
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if (!components[i]) {
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ret = AVERROR(ENOMEM);
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goto end;
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}
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}
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omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, (OMX_U8**) components);
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av_strlcpy(str, components[0], str_size);
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end:
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for (i = 0; i < num; i++)
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av_free(components[i]);
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av_free(components);
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return ret;
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}
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static av_cold int wait_for_state(OMXCodecContext *s, OMX_STATETYPE state)
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{
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int ret = 0;
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pthread_mutex_lock(&s->state_mutex);
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while (s->state != state && s->error == OMX_ErrorNone)
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pthread_cond_wait(&s->state_cond, &s->state_mutex);
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if (s->error != OMX_ErrorNone)
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ret = AVERROR_ENCODER_NOT_FOUND;
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pthread_mutex_unlock(&s->state_mutex);
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return ret;
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}
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static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
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{
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OMXCodecContext *s = avctx->priv_data;
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OMX_PARAM_COMPONENTROLETYPE role_params = { 0 };
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OMX_PORT_PARAM_TYPE video_port_params = { 0 };
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OMX_PARAM_PORTDEFINITIONTYPE in_port_params = { 0 }, out_port_params = { 0 };
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OMX_VIDEO_PARAM_PORTFORMATTYPE video_port_format = { 0 };
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OMX_VIDEO_PARAM_BITRATETYPE vid_param_bitrate = { 0 };
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OMX_ERRORTYPE err;
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int i;
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s->version.s.nVersionMajor = 1;
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s->version.s.nVersionMinor = 1;
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s->version.s.nRevision = 2;
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err = s->omx_context->ptr_GetHandle(&s->handle, s->component_name, s, (OMX_CALLBACKTYPE*) &callbacks);
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if (err != OMX_ErrorNone) {
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av_log(avctx, AV_LOG_ERROR, "OMX_GetHandle(%s) failed: %x\n", s->component_name, err);
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return AVERROR_UNKNOWN;
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}
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// This one crashes the mediaserver on qcom, if used over IOMX
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INIT_STRUCT(role_params);
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av_strlcpy(role_params.cRole, role, sizeof(role_params.cRole));
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// Intentionally ignore errors on this one
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OMX_SetParameter(s->handle, OMX_IndexParamStandardComponentRole, &role_params);
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INIT_STRUCT(video_port_params);
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err = OMX_GetParameter(s->handle, OMX_IndexParamVideoInit, &video_port_params);
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CHECK(err);
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s->in_port = s->out_port = -1;
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for (i = 0; i < video_port_params.nPorts; i++) {
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int port = video_port_params.nStartPortNumber + i;
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OMX_PARAM_PORTDEFINITIONTYPE port_params = { 0 };
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INIT_STRUCT(port_params);
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port_params.nPortIndex = port;
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err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &port_params);
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if (err != OMX_ErrorNone) {
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av_log(avctx, AV_LOG_WARNING, "port %d error %x\n", port, err);
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break;
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}
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if (port_params.eDir == OMX_DirInput && s->in_port < 0) {
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in_port_params = port_params;
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s->in_port = port;
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} else if (port_params.eDir == OMX_DirOutput && s->out_port < 0) {
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out_port_params = port_params;
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s->out_port = port;
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}
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}
|
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if (s->in_port < 0 || s->out_port < 0) {
|
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av_log(avctx, AV_LOG_ERROR, "No in or out port found (in %d out %d)\n", s->in_port, s->out_port);
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return AVERROR_UNKNOWN;
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}
|
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|
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s->color_format = 0;
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for (i = 0; ; i++) {
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INIT_STRUCT(video_port_format);
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video_port_format.nIndex = i;
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video_port_format.nPortIndex = s->in_port;
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if (OMX_GetParameter(s->handle, OMX_IndexParamVideoPortFormat, &video_port_format) != OMX_ErrorNone)
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break;
|
|
if (video_port_format.eColorFormat == OMX_COLOR_FormatYUV420Planar ||
|
|
video_port_format.eColorFormat == OMX_COLOR_FormatYUV420PackedPlanar) {
|
|
s->color_format = video_port_format.eColorFormat;
|
|
break;
|
|
}
|
|
}
|
|
if (s->color_format == 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "No supported pixel formats (%d formats available)\n", i);
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
in_port_params.bEnabled = OMX_TRUE;
|
|
in_port_params.bPopulated = OMX_FALSE;
|
|
in_port_params.eDomain = OMX_PortDomainVideo;
|
|
|
|
in_port_params.format.video.pNativeRender = NULL;
|
|
in_port_params.format.video.bFlagErrorConcealment = OMX_FALSE;
|
|
in_port_params.format.video.eColorFormat = s->color_format;
|
|
s->stride = avctx->width;
|
|
s->plane_size = avctx->height;
|
|
// If specific codecs need to manually override the stride/plane_size,
|
|
// that can be done here.
|
|
in_port_params.format.video.nStride = s->stride;
|
|
in_port_params.format.video.nSliceHeight = s->plane_size;
|
|
in_port_params.format.video.nFrameWidth = avctx->width;
|
|
in_port_params.format.video.nFrameHeight = avctx->height;
|
|
if (avctx->framerate.den > 0 && avctx->framerate.num > 0)
|
|
in_port_params.format.video.xFramerate = (1 << 16) * avctx->framerate.num / avctx->framerate.den;
|
|
else
|
|
in_port_params.format.video.xFramerate = (1 << 16) * avctx->time_base.den / avctx->time_base.num;
|
|
|
|
err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
|
|
CHECK(err);
|
|
err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &in_port_params);
|
|
CHECK(err);
|
|
s->stride = in_port_params.format.video.nStride;
|
|
s->plane_size = in_port_params.format.video.nSliceHeight;
|
|
s->num_in_buffers = in_port_params.nBufferCountActual;
|
|
|
|
err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
|
|
out_port_params.bEnabled = OMX_TRUE;
|
|
out_port_params.bPopulated = OMX_FALSE;
|
|
out_port_params.eDomain = OMX_PortDomainVideo;
|
|
out_port_params.format.video.pNativeRender = NULL;
|
|
out_port_params.format.video.nFrameWidth = avctx->width;
|
|
out_port_params.format.video.nFrameHeight = avctx->height;
|
|
out_port_params.format.video.nStride = 0;
|
|
out_port_params.format.video.nSliceHeight = 0;
|
|
out_port_params.format.video.nBitrate = avctx->bit_rate;
|
|
out_port_params.format.video.xFramerate = in_port_params.format.video.xFramerate;
|
|
out_port_params.format.video.bFlagErrorConcealment = OMX_FALSE;
|
|
if (avctx->codec->id == AV_CODEC_ID_MPEG4)
|
|
out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingMPEG4;
|
|
else if (avctx->codec->id == AV_CODEC_ID_H264)
|
|
out_port_params.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
|
|
|
|
err = OMX_SetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
|
|
CHECK(err);
|
|
err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &out_port_params);
|
|
CHECK(err);
|
|
s->num_out_buffers = out_port_params.nBufferCountActual;
|
|
|
|
INIT_STRUCT(vid_param_bitrate);
|
|
vid_param_bitrate.nPortIndex = s->out_port;
|
|
vid_param_bitrate.eControlRate = OMX_Video_ControlRateVariable;
|
|
vid_param_bitrate.nTargetBitrate = avctx->bit_rate;
|
|
err = OMX_SetParameter(s->handle, OMX_IndexParamVideoBitrate, &vid_param_bitrate);
|
|
if (err != OMX_ErrorNone)
|
|
av_log(avctx, AV_LOG_WARNING, "Unable to set video bitrate parameter\n");
|
|
|
|
if (avctx->codec->id == AV_CODEC_ID_H264) {
|
|
OMX_VIDEO_PARAM_AVCTYPE avc = { 0 };
|
|
INIT_STRUCT(avc);
|
|
avc.nPortIndex = s->out_port;
|
|
err = OMX_GetParameter(s->handle, OMX_IndexParamVideoAvc, &avc);
|
|
CHECK(err);
|
|
avc.nBFrames = 0;
|
|
avc.nPFrames = avctx->gop_size - 1;
|
|
err = OMX_SetParameter(s->handle, OMX_IndexParamVideoAvc, &avc);
|
|
CHECK(err);
|
|
}
|
|
|
|
err = OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateIdle, NULL);
|
|
CHECK(err);
|
|
|
|
s->in_buffer_headers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_in_buffers);
|
|
s->free_in_buffers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_in_buffers);
|
|
s->out_buffer_headers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_out_buffers);
|
|
s->done_out_buffers = av_mallocz(sizeof(OMX_BUFFERHEADERTYPE*) * s->num_out_buffers);
|
|
if (!s->in_buffer_headers || !s->free_in_buffers || !s->out_buffer_headers || !s->done_out_buffers)
|
|
return AVERROR(ENOMEM);
|
|
for (i = 0; i < s->num_in_buffers && err == OMX_ErrorNone; i++) {
|
|
if (s->input_zerocopy)
|
|
err = OMX_UseBuffer(s->handle, &s->in_buffer_headers[i], s->in_port, s, in_port_params.nBufferSize, NULL);
|
|
else
|
|
err = OMX_AllocateBuffer(s->handle, &s->in_buffer_headers[i], s->in_port, s, in_port_params.nBufferSize);
|
|
if (err == OMX_ErrorNone)
|
|
s->in_buffer_headers[i]->pAppPrivate = s->in_buffer_headers[i]->pOutputPortPrivate = NULL;
|
|
}
|
|
CHECK(err);
|
|
s->num_in_buffers = i;
|
|
for (i = 0; i < s->num_out_buffers && err == OMX_ErrorNone; i++)
|
|
err = OMX_AllocateBuffer(s->handle, &s->out_buffer_headers[i], s->out_port, s, out_port_params.nBufferSize);
|
|
CHECK(err);
|
|
s->num_out_buffers = i;
|
|
|
|
if (wait_for_state(s, OMX_StateIdle) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Didn't get OMX_StateIdle\n");
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
err = OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateExecuting, NULL);
|
|
CHECK(err);
|
|
if (wait_for_state(s, OMX_StateExecuting) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Didn't get OMX_StateExecuting\n");
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
|
|
for (i = 0; i < s->num_out_buffers && err == OMX_ErrorNone; i++)
|
|
err = OMX_FillThisBuffer(s->handle, s->out_buffer_headers[i]);
|
|
if (err != OMX_ErrorNone) {
|
|
for (; i < s->num_out_buffers; i++)
|
|
s->done_out_buffers[s->num_done_out_buffers++] = s->out_buffer_headers[i];
|
|
}
|
|
for (i = 0; i < s->num_in_buffers; i++)
|
|
s->free_in_buffers[s->num_free_in_buffers++] = s->in_buffer_headers[i];
|
|
return err != OMX_ErrorNone ? AVERROR_UNKNOWN : 0;
|
|
}
|
|
|
|
static av_cold void cleanup(OMXCodecContext *s)
|
|
{
|
|
int i, executing;
|
|
|
|
pthread_mutex_lock(&s->state_mutex);
|
|
executing = s->state == OMX_StateExecuting;
|
|
pthread_mutex_unlock(&s->state_mutex);
|
|
|
|
if (executing) {
|
|
OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateIdle, NULL);
|
|
wait_for_state(s, OMX_StateIdle);
|
|
OMX_SendCommand(s->handle, OMX_CommandStateSet, OMX_StateLoaded, NULL);
|
|
for (i = 0; i < s->num_in_buffers; i++) {
|
|
OMX_BUFFERHEADERTYPE *buffer = get_buffer(&s->input_mutex, &s->input_cond,
|
|
&s->num_free_in_buffers, s->free_in_buffers, 1);
|
|
if (s->input_zerocopy)
|
|
buffer->pBuffer = NULL;
|
|
OMX_FreeBuffer(s->handle, s->in_port, buffer);
|
|
}
|
|
for (i = 0; i < s->num_out_buffers; i++) {
|
|
OMX_BUFFERHEADERTYPE *buffer = get_buffer(&s->output_mutex, &s->output_cond,
|
|
&s->num_done_out_buffers, s->done_out_buffers, 1);
|
|
OMX_FreeBuffer(s->handle, s->out_port, buffer);
|
|
}
|
|
wait_for_state(s, OMX_StateLoaded);
|
|
}
|
|
if (s->handle) {
|
|
s->omx_context->ptr_FreeHandle(s->handle);
|
|
s->handle = NULL;
|
|
}
|
|
|
|
omx_deinit(s->omx_context);
|
|
s->omx_context = NULL;
|
|
if (s->mutex_cond_inited) {
|
|
pthread_cond_destroy(&s->state_cond);
|
|
pthread_mutex_destroy(&s->state_mutex);
|
|
pthread_cond_destroy(&s->input_cond);
|
|
pthread_mutex_destroy(&s->input_mutex);
|
|
pthread_cond_destroy(&s->output_cond);
|
|
pthread_mutex_destroy(&s->output_mutex);
|
|
s->mutex_cond_inited = 0;
|
|
}
|
|
av_freep(&s->in_buffer_headers);
|
|
av_freep(&s->out_buffer_headers);
|
|
av_freep(&s->free_in_buffers);
|
|
av_freep(&s->done_out_buffers);
|
|
av_freep(&s->output_buf);
|
|
}
|
|
|
|
static av_cold int omx_encode_init(AVCodecContext *avctx)
|
|
{
|
|
OMXCodecContext *s = avctx->priv_data;
|
|
int ret = AVERROR_ENCODER_NOT_FOUND;
|
|
const char *role;
|
|
OMX_BUFFERHEADERTYPE *buffer;
|
|
OMX_ERRORTYPE err;
|
|
|
|
#if CONFIG_OMX_RPI
|
|
s->input_zerocopy = 1;
|
|
#endif
|
|
|
|
s->omx_context = omx_init(avctx, s->libname, s->libprefix);
|
|
if (!s->omx_context)
|
|
return AVERROR_ENCODER_NOT_FOUND;
|
|
|
|
pthread_mutex_init(&s->state_mutex, NULL);
|
|
pthread_cond_init(&s->state_cond, NULL);
|
|
pthread_mutex_init(&s->input_mutex, NULL);
|
|
pthread_cond_init(&s->input_cond, NULL);
|
|
pthread_mutex_init(&s->output_mutex, NULL);
|
|
pthread_cond_init(&s->output_cond, NULL);
|
|
s->mutex_cond_inited = 1;
|
|
s->avctx = avctx;
|
|
s->state = OMX_StateLoaded;
|
|
s->error = OMX_ErrorNone;
|
|
|
|
switch (avctx->codec->id) {
|
|
case AV_CODEC_ID_MPEG4:
|
|
role = "video_encoder.mpeg4";
|
|
break;
|
|
case AV_CODEC_ID_H264:
|
|
role = "video_encoder.avc";
|
|
break;
|
|
default:
|
|
return AVERROR(ENOSYS);
|
|
}
|
|
|
|
if ((ret = find_component(s->omx_context, avctx, role, s->component_name, sizeof(s->component_name))) < 0)
|
|
goto fail;
|
|
|
|
av_log(avctx, AV_LOG_INFO, "Using %s\n", s->component_name);
|
|
|
|
if ((ret = omx_component_init(avctx, role)) < 0)
|
|
goto fail;
|
|
|
|
if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
|
|
while (1) {
|
|
buffer = get_buffer(&s->output_mutex, &s->output_cond,
|
|
&s->num_done_out_buffers, s->done_out_buffers, 1);
|
|
if (buffer->nFlags & OMX_BUFFERFLAG_CODECCONFIG) {
|
|
if ((ret = av_reallocp(&avctx->extradata, avctx->extradata_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
|
|
avctx->extradata_size = 0;
|
|
goto fail;
|
|
}
|
|
memcpy(avctx->extradata + avctx->extradata_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
|
|
avctx->extradata_size += buffer->nFilledLen;
|
|
memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
}
|
|
err = OMX_FillThisBuffer(s->handle, buffer);
|
|
if (err != OMX_ErrorNone) {
|
|
append_buffer(&s->output_mutex, &s->output_cond,
|
|
&s->num_done_out_buffers, s->done_out_buffers, buffer);
|
|
av_log(avctx, AV_LOG_ERROR, "OMX_FillThisBuffer failed: %x\n", err);
|
|
ret = AVERROR_UNKNOWN;
|
|
goto fail;
|
|
}
|
|
if (avctx->codec->id == AV_CODEC_ID_H264) {
|
|
// For H.264, the extradata can be returned in two separate buffers
|
|
// (the videocore encoder on raspberry pi does this);
|
|
// therefore check that we have got both SPS and PPS before continuing.
|
|
int nals[32] = { 0 };
|
|
int i;
|
|
for (i = 0; i + 4 < avctx->extradata_size; i++) {
|
|
if (!avctx->extradata[i + 0] &&
|
|
!avctx->extradata[i + 1] &&
|
|
!avctx->extradata[i + 2] &&
|
|
avctx->extradata[i + 3] == 1) {
|
|
nals[avctx->extradata[i + 4] & 0x1f]++;
|
|
}
|
|
}
|
|
if (nals[H264_NAL_SPS] && nals[H264_NAL_PPS])
|
|
break;
|
|
} else {
|
|
if (avctx->extradata_size > 0)
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
fail:
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int omx_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *frame, int *got_packet)
|
|
{
|
|
OMXCodecContext *s = avctx->priv_data;
|
|
int ret = 0;
|
|
OMX_BUFFERHEADERTYPE* buffer;
|
|
OMX_ERRORTYPE err;
|
|
|
|
if (frame) {
|
|
uint8_t *dst[4];
|
|
int linesize[4];
|
|
int need_copy;
|
|
buffer = get_buffer(&s->input_mutex, &s->input_cond,
|
|
&s->num_free_in_buffers, s->free_in_buffers, 1);
|
|
|
|
buffer->nFilledLen = av_image_fill_arrays(dst, linesize, buffer->pBuffer, avctx->pix_fmt, s->stride, s->plane_size, 1);
|
|
|
|
if (s->input_zerocopy) {
|
|
uint8_t *src[4] = { NULL };
|
|
int src_linesize[4];
|
|
av_image_fill_arrays(src, src_linesize, frame->data[0], avctx->pix_fmt, s->stride, s->plane_size, 1);
|
|
if (frame->linesize[0] == src_linesize[0] &&
|
|
frame->linesize[1] == src_linesize[1] &&
|
|
frame->linesize[2] == src_linesize[2] &&
|
|
frame->data[1] == src[1] &&
|
|
frame->data[2] == src[2]) {
|
|
// If the input frame happens to have all planes stored contiguously,
|
|
// with the right strides, just clone the frame and set the OMX
|
|
// buffer header to point to it
|
|
AVFrame *local = av_frame_clone(frame);
|
|
if (!local) {
|
|
// Return the buffer to the queue so it's not lost
|
|
append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
|
|
return AVERROR(ENOMEM);
|
|
} else {
|
|
buffer->pAppPrivate = local;
|
|
buffer->pOutputPortPrivate = NULL;
|
|
buffer->pBuffer = local->data[0];
|
|
need_copy = 0;
|
|
}
|
|
} else {
|
|
// If not, we need to allocate a new buffer with the right
|
|
// size and copy the input frame into it.
|
|
uint8_t *buf = av_malloc(av_image_get_buffer_size(avctx->pix_fmt, s->stride, s->plane_size, 1));
|
|
if (!buf) {
|
|
// Return the buffer to the queue so it's not lost
|
|
append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
|
|
return AVERROR(ENOMEM);
|
|
} else {
|
|
buffer->pAppPrivate = buf;
|
|
// Mark that pAppPrivate is an av_malloc'ed buffer, not an AVFrame
|
|
buffer->pOutputPortPrivate = (void*) 1;
|
|
buffer->pBuffer = buf;
|
|
need_copy = 1;
|
|
buffer->nFilledLen = av_image_fill_arrays(dst, linesize, buffer->pBuffer, avctx->pix_fmt, s->stride, s->plane_size, 1);
|
|
}
|
|
}
|
|
} else {
|
|
need_copy = 1;
|
|
}
|
|
if (need_copy)
|
|
av_image_copy(dst, linesize, (const uint8_t**) frame->data, frame->linesize, avctx->pix_fmt, avctx->width, avctx->height);
|
|
buffer->nFlags = OMX_BUFFERFLAG_ENDOFFRAME;
|
|
buffer->nOffset = 0;
|
|
// Convert the timestamps to microseconds; some encoders can ignore
|
|
// the framerate and do VFR bit allocation based on timestamps.
|
|
buffer->nTimeStamp = to_omx_ticks(av_rescale_q(frame->pts, avctx->time_base, AV_TIME_BASE_Q));
|
|
err = OMX_EmptyThisBuffer(s->handle, buffer);
|
|
if (err != OMX_ErrorNone) {
|
|
append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
|
|
av_log(avctx, AV_LOG_ERROR, "OMX_EmptyThisBuffer failed: %x\n", err);
|
|
return AVERROR_UNKNOWN;
|
|
}
|
|
s->num_in_frames++;
|
|
}
|
|
|
|
while (!*got_packet && ret == 0) {
|
|
// Only wait for output if flushing and not all frames have been output
|
|
buffer = get_buffer(&s->output_mutex, &s->output_cond,
|
|
&s->num_done_out_buffers, s->done_out_buffers,
|
|
!frame && s->num_out_frames < s->num_in_frames);
|
|
if (!buffer)
|
|
break;
|
|
|
|
if (buffer->nFlags & OMX_BUFFERFLAG_CODECCONFIG && avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
|
|
if ((ret = av_reallocp(&avctx->extradata, avctx->extradata_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE)) < 0) {
|
|
avctx->extradata_size = 0;
|
|
goto end;
|
|
}
|
|
memcpy(avctx->extradata + avctx->extradata_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
|
|
avctx->extradata_size += buffer->nFilledLen;
|
|
memset(avctx->extradata + avctx->extradata_size, 0, AV_INPUT_BUFFER_PADDING_SIZE);
|
|
} else {
|
|
if (buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME)
|
|
s->num_out_frames++;
|
|
if (!(buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) || !pkt->data) {
|
|
// If the output packet isn't preallocated, just concatenate everything in our
|
|
// own buffer
|
|
int newsize = s->output_buf_size + buffer->nFilledLen + AV_INPUT_BUFFER_PADDING_SIZE;
|
|
if ((ret = av_reallocp(&s->output_buf, newsize)) < 0) {
|
|
s->output_buf_size = 0;
|
|
goto end;
|
|
}
|
|
memcpy(s->output_buf + s->output_buf_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
|
|
s->output_buf_size += buffer->nFilledLen;
|
|
if (buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) {
|
|
if ((ret = av_packet_from_data(pkt, s->output_buf, s->output_buf_size)) < 0) {
|
|
av_freep(&s->output_buf);
|
|
s->output_buf_size = 0;
|
|
goto end;
|
|
}
|
|
s->output_buf = NULL;
|
|
s->output_buf_size = 0;
|
|
}
|
|
} else {
|
|
// End of frame, and the caller provided a preallocated frame
|
|
if ((ret = ff_alloc_packet2(avctx, pkt, s->output_buf_size + buffer->nFilledLen, 0)) < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error getting output packet of size %d.\n",
|
|
(int)(s->output_buf_size + buffer->nFilledLen));
|
|
goto end;
|
|
}
|
|
memcpy(pkt->data, s->output_buf, s->output_buf_size);
|
|
memcpy(pkt->data + s->output_buf_size, buffer->pBuffer + buffer->nOffset, buffer->nFilledLen);
|
|
av_freep(&s->output_buf);
|
|
s->output_buf_size = 0;
|
|
}
|
|
if (buffer->nFlags & OMX_BUFFERFLAG_ENDOFFRAME) {
|
|
pkt->pts = av_rescale_q(from_omx_ticks(buffer->nTimeStamp), AV_TIME_BASE_Q, avctx->time_base);
|
|
// We don't currently enable B-frames for the encoders, so set
|
|
// pkt->dts = pkt->pts. (The calling code behaves worse if the encoder
|
|
// doesn't set the dts).
|
|
pkt->dts = pkt->pts;
|
|
if (buffer->nFlags & OMX_BUFFERFLAG_SYNCFRAME)
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
*got_packet = 1;
|
|
}
|
|
}
|
|
end:
|
|
err = OMX_FillThisBuffer(s->handle, buffer);
|
|
if (err != OMX_ErrorNone) {
|
|
append_buffer(&s->output_mutex, &s->output_cond, &s->num_done_out_buffers, s->done_out_buffers, buffer);
|
|
av_log(avctx, AV_LOG_ERROR, "OMX_FillThisBuffer failed: %x\n", err);
|
|
ret = AVERROR_UNKNOWN;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static av_cold int omx_encode_end(AVCodecContext *avctx)
|
|
{
|
|
OMXCodecContext *s = avctx->priv_data;
|
|
|
|
cleanup(s);
|
|
return 0;
|
|
}
|
|
|
|
#define OFFSET(x) offsetof(OMXCodecContext, x)
|
|
#define VDE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
|
|
static const AVOption options[] = {
|
|
{ "omx_libname", "OpenMAX library name", OFFSET(libname), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
|
|
{ "omx_libprefix", "OpenMAX library prefix", OFFSET(libprefix), AV_OPT_TYPE_STRING, { 0 }, 0, 0, VDE },
|
|
{ "zerocopy", "Try to avoid copying input frames if possible", OFFSET(input_zerocopy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE },
|
|
{ NULL }
|
|
};
|
|
|
|
static const enum AVPixelFormat omx_encoder_pix_fmts[] = {
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE
|
|
};
|
|
|
|
static const AVClass omx_mpeg4enc_class = {
|
|
.class_name = "mpeg4_omx",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
AVCodec ff_mpeg4_omx_encoder = {
|
|
.name = "mpeg4_omx",
|
|
.long_name = NULL_IF_CONFIG_SMALL("OpenMAX IL MPEG-4 video encoder"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_MPEG4,
|
|
.priv_data_size = sizeof(OMXCodecContext),
|
|
.init = omx_encode_init,
|
|
.encode2 = omx_encode_frame,
|
|
.close = omx_encode_end,
|
|
.pix_fmts = omx_encoder_pix_fmts,
|
|
.capabilities = AV_CODEC_CAP_DELAY,
|
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
|
|
.priv_class = &omx_mpeg4enc_class,
|
|
};
|
|
|
|
static const AVClass omx_h264enc_class = {
|
|
.class_name = "h264_omx",
|
|
.item_name = av_default_item_name,
|
|
.option = options,
|
|
.version = LIBAVUTIL_VERSION_INT,
|
|
};
|
|
AVCodec ff_h264_omx_encoder = {
|
|
.name = "h264_omx",
|
|
.long_name = NULL_IF_CONFIG_SMALL("OpenMAX IL H.264 video encoder"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_H264,
|
|
.priv_data_size = sizeof(OMXCodecContext),
|
|
.init = omx_encode_init,
|
|
.encode2 = omx_encode_frame,
|
|
.close = omx_encode_end,
|
|
.pix_fmts = omx_encoder_pix_fmts,
|
|
.capabilities = AV_CODEC_CAP_DELAY,
|
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
|
|
.priv_class = &omx_h264enc_class,
|
|
};
|