[FFmpeg-cvslog] libavcodec: Add H264/MPEG4 encoders based on OpenMAX IL
Martin Storsjö
git at videolan.org
Wed May 11 20:19:54 CEST 2016
ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Sun Apr 8 01:18:07 2012 +0300| [e8919ec486a5559fdcf366e347be0656d904a87f] | committer: Martin Storsjö
libavcodec: Add H264/MPEG4 encoders based on OpenMAX IL
Signed-off-by: Martin Storsjö <martin at martin.st>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e8919ec486a5559fdcf366e347be0656d904a87f
---
Changelog | 1 +
configure | 7 +
libavcodec/Makefile | 2 +
libavcodec/allcodecs.c | 2 +
libavcodec/omx.c | 823 ++++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
6 files changed, 836 insertions(+), 1 deletion(-)
diff --git a/Changelog b/Changelog
index 211d691..0462ee4 100644
--- a/Changelog
+++ b/Changelog
@@ -54,6 +54,7 @@ version <next>:
- VAAPI-accelerated format conversion and scaling
- libnpp/CUDA-accelerated format conversion and scaling
- VAAPI-accelerate H.264/HEVC/MJPEG encoding
+- Generic OpenMAX IL encoder
version 11:
diff --git a/configure b/configure
index edf89b8..9bf00ee 100755
--- a/configure
+++ b/configure
@@ -144,6 +144,7 @@ Hardware-accelerated decoding/encoding:
--enable-libmfx enable HW acceleration through libmfx
--enable-mmal enable decoding via MMAL [no]
--enable-nvenc enable encoding via NVENC [no]
+ --enable-omx enable encoding via OpenMAX IL [no]
Individual component options:
--disable-everything disable all components listed below
@@ -1272,6 +1273,7 @@ HW_CODECS_LIST="
libmfx
mmal
nvenc
+ omx
"
HWACCEL_LIST="
@@ -2106,6 +2108,7 @@ h264_mmal_decoder_deps="mmal"
h264_mmal_hwaccel_deps="mmal"
h264_mmal_decoder_select="h264_decoder"
h264_mmal_encoder_deps="mmal"
+h264_omx_encoder_deps="omx"
h264_qsv_hwaccel_deps="libmfx"
h264_vaapi_hwaccel_deps="vaapi"
h264_vaapi_hwaccel_select="h264_decoder"
@@ -2133,6 +2136,7 @@ mpeg2_vaapi_hwaccel_deps="vaapi"
mpeg2_vaapi_hwaccel_select="mpeg2video_decoder"
mpeg2_vdpau_hwaccel_deps="vdpau"
mpeg2_vdpau_hwaccel_select="mpeg2video_decoder"
+mpeg4_omx_encoder_deps="omx"
mpeg4_vaapi_hwaccel_deps="vaapi"
mpeg4_vaapi_hwaccel_select="mpeg4_decoder"
mpeg4_vdpau_hwaccel_deps="vdpau"
@@ -2153,6 +2157,8 @@ wmv3_vdpau_hwaccel_select="vc1_vdpau_hwaccel"
# hardware-accelerated codecs
nvenc_deps_any="dlopen LoadLibrary"
nvenc_extralibs='$ldl'
+omx_deps="dlopen pthreads"
+omx_extralibs='$ldl'
qsvdec_select="qsv"
qsvenc_select="qsv"
vaapi_encode_deps="vaapi"
@@ -4615,6 +4621,7 @@ enabled mmal && { check_lib interface/mmal/mmal.h mmal_port_connect
check_lib interface/mmal/mmal.h mmal_port_connect ; }
check_lib interface/mmal/mmal.h mmal_port_connect ; } ||
die "ERROR: mmal not found"; }
+enabled omx && { check_header OMX_Core.h || die "ERROR: OpenMAX IL headers not found"; }
enabled openssl && { check_pkg_config openssl openssl/ssl.h SSL_library_init && {
add_cflags $openssl_cflags && add_extralibs $openssl_libs; }||
check_lib openssl/ssl.h SSL_library_init -lssl -lcrypto ||
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index fbe9998..d9f614d 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -621,6 +621,7 @@ OBJS-$(CONFIG_QSVENC) += qsvenc.o
OBJS-$(CONFIG_H264_MMAL_DECODER) += mmaldec.o
OBJS-$(CONFIG_H264_NVENC_ENCODER) += nvenc_h264.o
+OBJS-$(CONFIG_H264_OMX_ENCODER) += omx.o
OBJS-$(CONFIG_H264_QSV_DECODER) += qsvdec_h2645.o
OBJS-$(CONFIG_H264_QSV_ENCODER) += qsvenc_h264.o
OBJS-$(CONFIG_H264_VAAPI_ENCODER) += vaapi_encode_h264.o vaapi_encode_h26x.o
@@ -630,6 +631,7 @@ OBJS-$(CONFIG_HEVC_QSV_ENCODER) += qsvenc_hevc.o hevc_ps_enc.o h2645_p
OBJS-$(CONFIG_HEVC_VAAPI_ENCODER) += vaapi_encode_h265.o vaapi_encode_h26x.o
OBJS-$(CONFIG_MPEG2_QSV_DECODER) += qsvdec_mpeg2.o
OBJS-$(CONFIG_MPEG2_QSV_ENCODER) += qsvenc_mpeg2.o
+OBJS-$(CONFIG_MPEG4_OMX_ENCODER) += omx.o
# libavformat dependencies
OBJS-$(CONFIG_ISO_MEDIA) += mpeg4audio.o mpegaudiodata.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 5446ec3..16e9cd6 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -487,11 +487,13 @@ void avcodec_register_all(void)
* above is available */
REGISTER_ENCODER(LIBOPENH264, libopenh264);
REGISTER_ENCODER(H264_NVENC, h264_nvenc);
+ REGISTER_ENCODER(H264_OMX, h264_omx);
REGISTER_ENCODER(H264_QSV, h264_qsv);
REGISTER_ENCODER(LIBKVAZAAR, libkvazaar);
REGISTER_ENCODER(HEVC_NVENC, hevc_nvenc);
REGISTER_ENCODER(HEVC_QSV, hevc_qsv);
REGISTER_ENCODER(MPEG2_QSV, mpeg2_qsv);
+ REGISTER_ENCODER(MPEG4_OMX, mpeg4_omx);
#if FF_API_NVENC_OLD_NAME
REGISTER_ENCODER(NVENC_H264, nvenc_h264);
REGISTER_ENCODER(NVENC_HEVC, nvenc_hevc);
diff --git a/libavcodec/omx.c b/libavcodec/omx.c
new file mode 100644
index 0000000..6a4a5a1
--- /dev/null
+++ b/libavcodec/omx.c
@@ -0,0 +1,823 @@
+/*
+ * OMX Video encoder
+ * Copyright (C) 2011 Martin Storsjo
+ *
+ * This file is part of Libav.
+ *
+ * Libav is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * Libav is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <dlfcn.h>
+#include <OMX_Core.h>
+#include <OMX_Component.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+
+#include "libavutil/avstring.h"
+#include "libavutil/avutil.h"
+#include "libavutil/common.h"
+#include "libavutil/imgutils.h"
+#include "libavutil/log.h"
+#include "libavutil/opt.h"
+
+#include "avcodec.h"
+#include "h264.h"
+#include "internal.h"
+
+#ifdef OMX_SKIP64BIT
+static OMX_TICKS to_omx_ticks(int64_t value)
+{
+ OMX_TICKS s;
+ s.nLowPart = value & 0xffffffff;
+ s.nHighPart = value >> 32;
+ return s;
+}
+static int64_t from_omx_ticks(OMX_TICKS value)
+{
+ return (((int64_t)value.nHighPart) << 32) | value.nLowPart;
+}
+#else
+#define to_omx_ticks(x) (x)
+#define from_omx_ticks(x) (x)
+#endif
+
+#define INIT_STRUCT(x) do { \
+ x.nSize = sizeof(x); \
+ x.nVersion = s->version; \
+ } while (0)
+#define CHECK(x) do { \
+ if (x != OMX_ErrorNone) { \
+ av_log(avctx, AV_LOG_ERROR, \
+ "err %x (%d) on line %d\n", x, x, __LINE__); \
+ return AVERROR_UNKNOWN; \
+ } \
+ } while (0)
+
+typedef struct OMXContext {
+ void *lib;
+ OMX_ERRORTYPE (*ptr_Init)(void);
+ OMX_ERRORTYPE (*ptr_Deinit)(void);
+ OMX_ERRORTYPE (*ptr_ComponentNameEnum)(OMX_STRING, OMX_U32, OMX_U32);
+ OMX_ERRORTYPE (*ptr_GetHandle)(OMX_HANDLETYPE*, OMX_STRING, OMX_PTR, OMX_CALLBACKTYPE*);
+ OMX_ERRORTYPE (*ptr_FreeHandle)(OMX_HANDLETYPE);
+ OMX_ERRORTYPE (*ptr_GetComponentsOfRole)(OMX_STRING, OMX_U32*, OMX_U8**);
+ OMX_ERRORTYPE (*ptr_GetRolesOfComponent)(OMX_STRING, OMX_U32*, OMX_U8**);
+} OMXContext;
+
+static av_cold void *dlsym_prefixed(void *handle, const char *symbol, const char *prefix)
+{
+ char buf[50];
+ snprintf(buf, sizeof(buf), "%s%s", prefix ? prefix : "", symbol);
+ return dlsym(handle, buf);
+}
+
+static av_cold int omx_try_load(OMXContext *s, void *logctx,
+ const char *libname, const char *prefix)
+{
+ s->lib = dlopen(libname, RTLD_NOW | RTLD_GLOBAL);
+ if (!s->lib) {
+ av_log(logctx, AV_LOG_WARNING, "%s not found\n", libname);
+ return AVERROR_ENCODER_NOT_FOUND;
+ }
+ s->ptr_Init = dlsym_prefixed(s->lib, "OMX_Init", prefix);
+ s->ptr_Deinit = dlsym_prefixed(s->lib, "OMX_Deinit", prefix);
+ s->ptr_ComponentNameEnum = dlsym_prefixed(s->lib, "OMX_ComponentNameEnum", prefix);
+ s->ptr_GetHandle = dlsym_prefixed(s->lib, "OMX_GetHandle", prefix);
+ s->ptr_FreeHandle = dlsym_prefixed(s->lib, "OMX_FreeHandle", prefix);
+ s->ptr_GetComponentsOfRole = dlsym_prefixed(s->lib, "OMX_GetComponentsOfRole", prefix);
+ s->ptr_GetRolesOfComponent = dlsym_prefixed(s->lib, "OMX_GetRolesOfComponent", prefix);
+ if (!s->ptr_Init || !s->ptr_Deinit || !s->ptr_ComponentNameEnum ||
+ !s->ptr_GetHandle || !s->ptr_FreeHandle ||
+ !s->ptr_GetComponentsOfRole || !s->ptr_GetRolesOfComponent) {
+ av_log(logctx, AV_LOG_WARNING, "Not all functions found in %s\n", libname);
+ dlclose(s->lib);
+ s->lib = NULL;
+ return AVERROR_ENCODER_NOT_FOUND;
+ }
+ return 0;
+}
+
+static av_cold OMXContext *omx_init(void *logctx, const char *libname, const char *prefix)
+{
+ static const char * const libnames[] = {
+ "libOMX_Core.so",
+ "libOmxCore.so",
+ NULL
+ };
+ const char* const* nameptr;
+ int ret = AVERROR_ENCODER_NOT_FOUND;
+ OMXContext *omx_context;
+
+ omx_context = av_mallocz(sizeof(*omx_context));
+ if (!omx_context)
+ return NULL;
+ if (libname) {
+ ret = omx_try_load(omx_context, logctx, libname, prefix);
+ if (ret < 0) {
+ av_free(omx_context);
+ return NULL;
+ }
+ } else {
+ for (nameptr = libnames; *nameptr; nameptr++)
+ if (!(ret = omx_try_load(omx_context, logctx, *nameptr, prefix)))
+ break;
+ if (!*nameptr) {
+ av_free(omx_context);
+ return NULL;
+ }
+ }
+
+ omx_context->ptr_Init();
+ return omx_context;
+}
+
+static av_cold void omx_deinit(OMXContext *omx_context)
+{
+ if (!omx_context)
+ return;
+ omx_context->ptr_Deinit();
+ dlclose(omx_context->lib);
+ av_free(omx_context);
+}
+
+typedef struct OMXCodecContext {
+ const AVClass *class;
+ char *libname;
+ char *libprefix;
+ OMXContext *omx_context;
+
+ AVCodecContext *avctx;
+
+ char component_name[OMX_MAX_STRINGNAME_SIZE];
+ OMX_VERSIONTYPE version;
+ OMX_HANDLETYPE handle;
+ int in_port, out_port;
+ OMX_COLOR_FORMATTYPE color_format;
+ int stride, plane_size;
+
+ int num_in_buffers, num_out_buffers;
+ OMX_BUFFERHEADERTYPE **in_buffer_headers;
+ OMX_BUFFERHEADERTYPE **out_buffer_headers;
+ int num_free_in_buffers;
+ OMX_BUFFERHEADERTYPE **free_in_buffers;
+ int num_done_out_buffers;
+ OMX_BUFFERHEADERTYPE **done_out_buffers;
+ pthread_mutex_t input_mutex;
+ pthread_cond_t input_cond;
+ pthread_mutex_t output_mutex;
+ pthread_cond_t output_cond;
+
+ pthread_mutex_t state_mutex;
+ pthread_cond_t state_cond;
+ OMX_STATETYPE state;
+ OMX_ERRORTYPE error;
+
+ int mutex_cond_inited;
+
+ int num_in_frames, num_out_frames;
+
+ uint8_t *output_buf;
+ int output_buf_size;
+} OMXCodecContext;
+
+static void append_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
+ int* array_size, OMX_BUFFERHEADERTYPE **array,
+ OMX_BUFFERHEADERTYPE *buffer)
+{
+ pthread_mutex_lock(mutex);
+ array[(*array_size)++] = buffer;
+ pthread_cond_broadcast(cond);
+ pthread_mutex_unlock(mutex);
+}
+
+static OMX_BUFFERHEADERTYPE *get_buffer(pthread_mutex_t *mutex, pthread_cond_t *cond,
+ int* array_size, OMX_BUFFERHEADERTYPE **array,
+ int wait)
+{
+ OMX_BUFFERHEADERTYPE *buffer;
+ pthread_mutex_lock(mutex);
+ if (wait) {
+ while (!*array_size)
+ pthread_cond_wait(cond, mutex);
+ }
+ if (*array_size > 0) {
+ buffer = array[0];
+ (*array_size)--;
+ memmove(&array[0], &array[1], (*array_size) * sizeof(OMX_BUFFERHEADERTYPE*));
+ } else {
+ buffer = NULL;
+ }
+ pthread_mutex_unlock(mutex);
+ return buffer;
+}
+
+static OMX_ERRORTYPE event_handler(OMX_HANDLETYPE component, OMX_PTR app_data, OMX_EVENTTYPE event,
+ OMX_U32 data1, OMX_U32 data2, OMX_PTR event_data)
+{
+ OMXCodecContext *s = app_data;
+ // This uses casts in the printfs, since OMX_U32 actually is a typedef for
+ // unsigned long in official header versions (but there are also modified
+ // versions where it is something else).
+ switch (event) {
+ case OMX_EventError:
+ pthread_mutex_lock(&s->state_mutex);
+ av_log(s->avctx, AV_LOG_ERROR, "OMX error %"PRIx32"\n", (uint32_t) data1);
+ s->error = data1;
+ pthread_cond_broadcast(&s->state_cond);
+ pthread_mutex_unlock(&s->state_mutex);
+ break;
+ case OMX_EventCmdComplete:
+ if (data1 == OMX_CommandStateSet) {
+ pthread_mutex_lock(&s->state_mutex);
+ s->state = data2;
+ av_log(s->avctx, AV_LOG_VERBOSE, "OMX state changed to %"PRIu32"\n", (uint32_t) data2);
+ pthread_cond_broadcast(&s->state_cond);
+ pthread_mutex_unlock(&s->state_mutex);
+ } else if (data1 == OMX_CommandPortDisable) {
+ av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" disabled\n", (uint32_t) data2);
+ } else if (data1 == OMX_CommandPortEnable) {
+ av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" enabled\n", (uint32_t) data2);
+ } else {
+ av_log(s->avctx, AV_LOG_VERBOSE, "OMX command complete, command %"PRIu32", value %"PRIu32"\n",
+ (uint32_t) data1, (uint32_t) data2);
+ }
+ break;
+ case OMX_EventPortSettingsChanged:
+ av_log(s->avctx, AV_LOG_VERBOSE, "OMX port %"PRIu32" settings changed\n", (uint32_t) data1);
+ break;
+ default:
+ av_log(s->avctx, AV_LOG_VERBOSE, "OMX event %d %"PRIx32" %"PRIx32"\n",
+ event, (uint32_t) data1, (uint32_t) data2);
+ break;
+ }
+ return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE empty_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
+ OMX_BUFFERHEADERTYPE *buffer)
+{
+ OMXCodecContext *s = app_data;
+ append_buffer(&s->input_mutex, &s->input_cond,
+ &s->num_free_in_buffers, s->free_in_buffers, buffer);
+ return OMX_ErrorNone;
+}
+
+static OMX_ERRORTYPE fill_buffer_done(OMX_HANDLETYPE component, OMX_PTR app_data,
+ OMX_BUFFERHEADERTYPE *buffer)
+{
+ OMXCodecContext *s = app_data;
+ append_buffer(&s->output_mutex, &s->output_cond,
+ &s->num_done_out_buffers, s->done_out_buffers, buffer);
+ return OMX_ErrorNone;
+}
+
+static const OMX_CALLBACKTYPE callbacks = {
+ event_handler,
+ empty_buffer_done,
+ fill_buffer_done
+};
+
+static av_cold int find_component(OMXContext *omx_context, void *logctx,
+ const char *role, char *str, int str_size)
+{
+ OMX_U32 i, num = 0;
+ char **components;
+ int ret = 0;
+
+ omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, NULL);
+ if (!num) {
+ av_log(logctx, AV_LOG_WARNING, "No component for role %s found\n", role);
+ return AVERROR_ENCODER_NOT_FOUND;
+ }
+ components = av_mallocz(sizeof(char*) * num);
+ if (!components)
+ return AVERROR(ENOMEM);
+ for (i = 0; i < num; i++) {
+ components[i] = av_mallocz(OMX_MAX_STRINGNAME_SIZE);
+ if (!components) {
+ ret = AVERROR(ENOMEM);
+ goto end;
+ }
+ }
+ omx_context->ptr_GetComponentsOfRole((OMX_STRING) role, &num, (OMX_U8**) components);
+ av_strlcpy(str, components[0], str_size);
+end:
+ for (i = 0; i < num; i++)
+ av_free(components[i]);
+ av_free(components);
+ return ret;
+}
+
+static av_cold int wait_for_state(OMXCodecContext *s, OMX_STATETYPE state)
+{
+ int ret = 0;
+ pthread_mutex_lock(&s->state_mutex);
+ while (s->state != state && s->error == OMX_ErrorNone)
+ pthread_cond_wait(&s->state_cond, &s->state_mutex);
+ if (s->error != OMX_ErrorNone)
+ ret = AVERROR_ENCODER_NOT_FOUND;
+ pthread_mutex_unlock(&s->state_mutex);
+ return ret;
+}
+
+static av_cold int omx_component_init(AVCodecContext *avctx, const char *role)
+{
+ OMXCodecContext *s = avctx->priv_data;
+ OMX_PARAM_COMPONENTROLETYPE role_params = { 0 };
+ OMX_PORT_PARAM_TYPE video_port_params = { 0 };
+ OMX_PARAM_PORTDEFINITIONTYPE in_port_params = { 0 }, out_port_params = { 0 };
+ OMX_VIDEO_PARAM_PORTFORMATTYPE video_port_format = { 0 };
+ OMX_VIDEO_PARAM_BITRATETYPE vid_param_bitrate = { 0 };
+ OMX_ERRORTYPE err;
+ int i;
+
+ s->version.s.nVersionMajor = 1;
+ s->version.s.nVersionMinor = 1;
+ s->version.s.nRevision = 2;
+
+ err = s->omx_context->ptr_GetHandle(&s->handle, s->component_name, s, (OMX_CALLBACKTYPE*) &callbacks);
+ if (err != OMX_ErrorNone) {
+ av_log(avctx, AV_LOG_ERROR, "OMX_GetHandle(%s) failed: %x\n", s->component_name, err);
+ return AVERROR_UNKNOWN;
+ }
+
+ // This one crashes the mediaserver on qcom, if used over IOMX
+ INIT_STRUCT(role_params);
+ av_strlcpy(role_params.cRole, role, sizeof(role_params.cRole));
+ // Intentionally ignore errors on this one
+ OMX_SetParameter(s->handle, OMX_IndexParamStandardComponentRole, &role_params);
+
+ INIT_STRUCT(video_port_params);
+ err = OMX_GetParameter(s->handle, OMX_IndexParamVideoInit, &video_port_params);
+ CHECK(err);
+
+ s->in_port = s->out_port = -1;
+ for (i = 0; i < video_port_params.nPorts; i++) {
+ int port = video_port_params.nStartPortNumber + i;
+ OMX_PARAM_PORTDEFINITIONTYPE port_params = { 0 };
+ INIT_STRUCT(port_params);
+ port_params.nPortIndex = port;
+ err = OMX_GetParameter(s->handle, OMX_IndexParamPortDefinition, &port_params);
+ if (err != OMX_ErrorNone) {
+ av_log(avctx, AV_LOG_WARNING, "port %d error %x\n", port, err);
+ break;
+ }
+ if (port_params.eDir == OMX_DirInput && s->in_port < 0) {
+ in_port_params = port_params;
+ s->in_port = port;
+ } else if (port_params.eDir == OMX_DirOutput && s->out_port < 0) {
+ out_port_params = port_params;
+ s->out_port = port;
+ }
+ }
+ if (s->in_port < 0 || s->out_port < 0) {
+ av_log(avctx, AV_LOG_ERROR, "No in or out port found (in %d out %d)\n", s->in_port, s->out_port);
+ return AVERROR_UNKNOWN;
+ }
+
+ s->color_format = 0;
+ for (i = 0; ; i++) {
+ INIT_STRUCT(video_port_format);
+ video_port_format.nIndex = i;
+ video_port_format.nPortIndex = s->in_port;
+ if (OMX_GetParameter(s->handle, OMX_IndexParamVideoPortFormat, &video_port_format) != OMX_ErrorNone)
+ 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++)
+ err = OMX_AllocateBuffer(s->handle, &s->in_buffer_headers[i], s->in_port, s, in_port_params.nBufferSize);
+ 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);
+ 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;
+
+ 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 H264, 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[NAL_SPS] && nals[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];
+ 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);
+ 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_packet(pkt, s->output_buf_size + buffer->nFilledLen)) < 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) {
+ ret = pkt->size;
+ 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
+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 },
+ { 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 MPEG4 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 H264 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,
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index c7a5193..a84cded 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
-#define LIBAVCODEC_VERSION_MINOR 17
+#define LIBAVCODEC_VERSION_MINOR 18
#define LIBAVCODEC_VERSION_MICRO 0
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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