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FFmpeg/libavcodec/mediacodecdec_common.c

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/*
* Android MediaCodec decoder
*
* Copyright (c) 2015-2016 Matthieu Bouron <matthieu.bouron stupeflix.com>
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <string.h>
#include <sys/types.h>
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/hwcontext_mediacodec.h"
#include "libavutil/mem.h"
#include "libavutil/log.h"
#include "libavutil/pixfmt.h"
#include "libavutil/time.h"
#include "libavutil/timestamp.h"
#include "libavutil/channel_layout.h"
#include "avcodec.h"
#include "decode.h"
#include "mediacodec.h"
#include "mediacodec_surface.h"
#include "mediacodec_sw_buffer.h"
#include "mediacodec_wrapper.h"
#include "mediacodecdec_common.h"
/**
* OMX.k3.video.decoder.avc, OMX.NVIDIA.* OMX.SEC.avc.dec and OMX.google
* codec workarounds used in various place are taken from the Gstreamer
* project.
*
* Gstreamer references:
* https://cgit.freedesktop.org/gstreamer/gst-plugins-bad/tree/sys/androidmedia/
*
* Gstreamer copyright notice:
*
* Copyright (C) 2012, Collabora Ltd.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* Copyright (C) 2012, Rafaël Carré <funman@videolanorg>
*
* Copyright (C) 2015, Sebastian Dröge <sebastian@centricular.com>
*
* Copyright (C) 2014-2015, Collabora Ltd.
* Author: Matthieu Bouron <matthieu.bouron@gcollabora.com>
*
* Copyright (C) 2015, Edward Hervey
* Author: Edward Hervey <bilboed@gmail.com>
*
* Copyright (C) 2015, Matthew Waters <matthew@centricular.com>
*
* This library 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
* version 2.1 of the License.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#define INPUT_DEQUEUE_TIMEOUT_US 8000
#define OUTPUT_DEQUEUE_TIMEOUT_US 8000
#define OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US 1000000
enum {
ENCODING_PCM_16BIT = 0x00000002,
ENCODING_PCM_8BIT = 0x00000003,
ENCODING_PCM_FLOAT = 0x00000004,
ENCODING_PCM_24BIT_PACKED = 0x00000015,
ENCODING_PCM_32BIT = 0x00000016,
};
static const struct {
int pcm_format;
enum AVSampleFormat sample_format;
} sample_formats[] = {
{ ENCODING_PCM_16BIT, AV_SAMPLE_FMT_S16 },
{ ENCODING_PCM_8BIT, AV_SAMPLE_FMT_U8 },
{ ENCODING_PCM_FLOAT, AV_SAMPLE_FMT_FLT },
{ ENCODING_PCM_32BIT, AV_SAMPLE_FMT_S32 },
{ 0 }
};
static enum AVSampleFormat mcdec_map_pcm_format(AVCodecContext *avctx,
MediaCodecDecContext *s,
int pcm_format)
{
enum AVSampleFormat ret = AV_SAMPLE_FMT_NONE;
for (int i = 0; i < FF_ARRAY_ELEMS(sample_formats); i++) {
if (sample_formats[i].pcm_format == pcm_format) {
return sample_formats[i].sample_format;
}
}
av_log(avctx, AV_LOG_ERROR, "Output sample format 0x%x (value=%d) is not supported\n",
pcm_format, pcm_format);
return ret;
}
enum
{
CHANNEL_OUT_FRONT_LEFT = 0x4,
CHANNEL_OUT_FRONT_RIGHT = 0x8,
CHANNEL_OUT_FRONT_CENTER = 0x10,
CHANNEL_OUT_LOW_FREQUENCY = 0x20,
CHANNEL_OUT_BACK_LEFT = 0x40,
CHANNEL_OUT_BACK_RIGHT = 0x80,
CHANNEL_OUT_FRONT_LEFT_OF_CENTER = 0x100,
CHANNEL_OUT_FRONT_RIGHT_OF_CENTER = 0x200,
CHANNEL_OUT_BACK_CENTER = 0x400,
CHANNEL_OUT_SIDE_LEFT = 0x800,
CHANNEL_OUT_SIDE_RIGHT = 0x1000,
CHANNEL_OUT_TOP_CENTER = 0x2000,
CHANNEL_OUT_TOP_FRONT_LEFT = 0x4000,
CHANNEL_OUT_TOP_FRONT_CENTER = 0x8000,
CHANNEL_OUT_TOP_FRONT_RIGHT = 0x10000,
CHANNEL_OUT_TOP_BACK_LEFT = 0x20000,
CHANNEL_OUT_TOP_BACK_CENTER = 0x40000,
CHANNEL_OUT_TOP_BACK_RIGHT = 0x80000,
};
static const struct {
int mask;
uint64_t layout;
} channel_masks[] = {
{ CHANNEL_OUT_FRONT_LEFT, AV_CH_FRONT_LEFT },
{ CHANNEL_OUT_FRONT_RIGHT, AV_CH_FRONT_RIGHT },
{ CHANNEL_OUT_FRONT_CENTER, AV_CH_FRONT_CENTER },
{ CHANNEL_OUT_LOW_FREQUENCY, AV_CH_LOW_FREQUENCY },
{ CHANNEL_OUT_BACK_LEFT, AV_CH_BACK_LEFT },
{ CHANNEL_OUT_BACK_RIGHT, AV_CH_BACK_RIGHT },
{ CHANNEL_OUT_FRONT_LEFT_OF_CENTER, AV_CH_FRONT_LEFT_OF_CENTER },
{ CHANNEL_OUT_FRONT_RIGHT_OF_CENTER, AV_CH_FRONT_RIGHT_OF_CENTER },
{ CHANNEL_OUT_BACK_CENTER, AV_CH_BACK_CENTER },
{ CHANNEL_OUT_SIDE_LEFT, AV_CH_SIDE_LEFT },
{ CHANNEL_OUT_SIDE_RIGHT, AV_CH_SIDE_RIGHT },
{ CHANNEL_OUT_TOP_CENTER, AV_CH_TOP_CENTER },
{ CHANNEL_OUT_TOP_FRONT_LEFT, AV_CH_TOP_FRONT_LEFT },
{ CHANNEL_OUT_TOP_FRONT_CENTER, AV_CH_TOP_FRONT_CENTER },
{ CHANNEL_OUT_TOP_FRONT_RIGHT, AV_CH_TOP_FRONT_RIGHT },
{ CHANNEL_OUT_TOP_BACK_LEFT, AV_CH_TOP_BACK_LEFT },
{ CHANNEL_OUT_TOP_BACK_CENTER, AV_CH_TOP_BACK_CENTER },
{ CHANNEL_OUT_TOP_BACK_RIGHT, AV_CH_TOP_BACK_RIGHT },
};
static uint64_t mcdec_map_channel_mask(AVCodecContext *avctx,
int channel_mask)
{
uint64_t channel_layout = 0;
for (int i = 0; i < FF_ARRAY_ELEMS(channel_masks); i++) {
if (channel_mask & channel_masks[i].mask)
channel_layout |= channel_masks[i].layout;
}
return channel_layout;
}
enum {
COLOR_FormatYUV420Planar = 0x13,
COLOR_FormatYUV420SemiPlanar = 0x15,
COLOR_FormatYCbYCr = 0x19,
COLOR_FormatAndroidOpaque = 0x7F000789,
COLOR_QCOM_FormatYUV420SemiPlanar = 0x7fa30c00,
COLOR_QCOM_FormatYUV420SemiPlanar32m = 0x7fa30c04,
COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka = 0x7fa30c03,
COLOR_TI_FormatYUV420PackedSemiPlanar = 0x7f000100,
COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced = 0x7f000001,
};
static const struct {
int color_format;
enum AVPixelFormat pix_fmt;
} color_formats[] = {
{ COLOR_FormatYUV420Planar, AV_PIX_FMT_YUV420P },
{ COLOR_FormatYUV420SemiPlanar, AV_PIX_FMT_NV12 },
{ COLOR_QCOM_FormatYUV420SemiPlanar, AV_PIX_FMT_NV12 },
{ COLOR_QCOM_FormatYUV420SemiPlanar32m, AV_PIX_FMT_NV12 },
{ COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka, AV_PIX_FMT_NV12 },
{ COLOR_TI_FormatYUV420PackedSemiPlanar, AV_PIX_FMT_NV12 },
{ COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced, AV_PIX_FMT_NV12 },
{ 0 }
};
static enum AVPixelFormat mcdec_map_color_format(AVCodecContext *avctx,
MediaCodecDecContext *s,
int color_format)
{
int i;
enum AVPixelFormat ret = AV_PIX_FMT_NONE;
if (s->surface) {
return AV_PIX_FMT_MEDIACODEC;
}
if (!strcmp(s->codec_name, "OMX.k3.video.decoder.avc") && color_format == COLOR_FormatYCbYCr) {
s->color_format = color_format = COLOR_TI_FormatYUV420PackedSemiPlanar;
}
for (i = 0; i < FF_ARRAY_ELEMS(color_formats); i++) {
if (color_formats[i].color_format == color_format) {
return color_formats[i].pix_fmt;
}
}
av_log(avctx, AV_LOG_ERROR, "Output color format 0x%x (value=%d) is not supported\n",
color_format, color_format);
return ret;
}
static void ff_mediacodec_dec_ref(MediaCodecDecContext *s)
{
atomic_fetch_add(&s->refcount, 1);
}
static void ff_mediacodec_dec_unref(MediaCodecDecContext *s)
{
if (!s)
return;
if (atomic_fetch_sub(&s->refcount, 1) == 1) {
if (s->codec) {
ff_AMediaCodec_delete(s->codec);
s->codec = NULL;
}
if (s->format) {
ff_AMediaFormat_delete(s->format);
s->format = NULL;
}
if (s->surface) {
ff_mediacodec_surface_unref(s->surface, NULL);
s->surface = NULL;
}
av_freep(&s->codec_name);
av_freep(&s);
}
}
static void mediacodec_buffer_release(void *opaque, uint8_t *data)
{
AVMediaCodecBuffer *buffer = opaque;
MediaCodecDecContext *ctx = buffer->ctx;
int released = atomic_load(&buffer->released);
if (!released && (ctx->delay_flush || buffer->serial == atomic_load(&ctx->serial))) {
atomic_fetch_sub(&ctx->hw_buffer_count, 1);
av_log(ctx->avctx, AV_LOG_DEBUG,
"Releasing output buffer %zd (%p) ts=%"PRId64" on free() [%d pending]\n",
buffer->index, buffer, buffer->pts, atomic_load(&ctx->hw_buffer_count));
ff_AMediaCodec_releaseOutputBuffer(ctx->codec, buffer->index, 0);
}
ff_mediacodec_dec_unref(ctx);
av_freep(&buffer);
}
static int mediacodec_wrap_hw_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int ret = 0;
int status = 0;
AVMediaCodecBuffer *buffer = NULL;
frame->buf[0] = NULL;
frame->width = avctx->width;
frame->height = avctx->height;
frame->format = avctx->pix_fmt;
frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
frame->pts = av_rescale_q(info->presentationTimeUs,
AV_TIME_BASE_Q,
avctx->pkt_timebase);
} else {
frame->pts = info->presentationTimeUs;
}
frame->pkt_dts = AV_NOPTS_VALUE;
frame->color_range = avctx->color_range;
frame->color_primaries = avctx->color_primaries;
frame->color_trc = avctx->color_trc;
frame->colorspace = avctx->colorspace;
buffer = av_mallocz(sizeof(AVMediaCodecBuffer));
if (!buffer) {
ret = AVERROR(ENOMEM);
goto fail;
}
atomic_init(&buffer->released, 0);
frame->buf[0] = av_buffer_create(NULL,
0,
mediacodec_buffer_release,
buffer,
AV_BUFFER_FLAG_READONLY);
if (!frame->buf[0]) {
ret = AVERROR(ENOMEM);
goto fail;
}
buffer->ctx = s;
buffer->serial = atomic_load(&s->serial);
ff_mediacodec_dec_ref(s);
buffer->index = index;
buffer->pts = info->presentationTimeUs;
frame->data[3] = (uint8_t *)buffer;
atomic_fetch_add(&s->hw_buffer_count, 1);
av_log(avctx, AV_LOG_DEBUG,
"Wrapping output buffer %zd (%p) ts=%"PRId64" [%d pending]\n",
buffer->index, buffer, buffer->pts, atomic_load(&s->hw_buffer_count));
return 0;
fail:
av_freep(&buffer);
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
ret = AVERROR_EXTERNAL;
}
return ret;
}
static int mediacodec_wrap_sw_audio_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
uint8_t *data,
size_t size,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int ret = 0;
int status = 0;
const int sample_size = av_get_bytes_per_sample(avctx->sample_fmt);
if (!sample_size) {
av_log(avctx, AV_LOG_ERROR, "Could not get bytes per sample\n");
ret = AVERROR(ENOSYS);
goto done;
}
frame->format = avctx->sample_fmt;
frame->sample_rate = avctx->sample_rate;
frame->nb_samples = info->size / (sample_size * avctx->ch_layout.nb_channels);
ret = av_channel_layout_copy(&frame->ch_layout, &avctx->ch_layout);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not copy channel layout\n");
goto done;
}
/* MediaCodec buffers needs to be copied to our own refcounted buffers
* because the flush command invalidates all input and output buffers.
*/
ret = ff_get_buffer(avctx, frame, 0);
if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
goto done;
}
/* Override frame->pts as ff_get_buffer will override its value based
* on the last avpacket received which is not in sync with the frame:
* * N avpackets can be pushed before 1 frame is actually returned
* * 0-sized avpackets are pushed to flush remaining frames at EOS */
if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
frame->pts = av_rescale_q(info->presentationTimeUs,
AV_TIME_BASE_Q,
avctx->pkt_timebase);
} else {
frame->pts = info->presentationTimeUs;
}
frame->pkt_dts = AV_NOPTS_VALUE;
av_log(avctx, AV_LOG_TRACE,
"Frame: format=%d channels=%d sample_rate=%d nb_samples=%d",
avctx->sample_fmt, avctx->ch_layout.nb_channels, avctx->sample_rate, frame->nb_samples);
memcpy(frame->data[0], data, info->size);
ret = 0;
done:
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
ret = AVERROR_EXTERNAL;
}
return ret;
}
static int mediacodec_wrap_sw_video_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
uint8_t *data,
size_t size,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
int ret = 0;
int status = 0;
frame->width = avctx->width;
frame->height = avctx->height;
frame->format = avctx->pix_fmt;
/* MediaCodec buffers needs to be copied to our own refcounted buffers
* because the flush command invalidates all input and output buffers.
*/
if ((ret = ff_get_buffer(avctx, frame, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Could not allocate buffer\n");
goto done;
}
/* Override frame->pkt_pts as ff_get_buffer will override its value based
* on the last avpacket received which is not in sync with the frame:
* * N avpackets can be pushed before 1 frame is actually returned
* * 0-sized avpackets are pushed to flush remaining frames at EOS */
if (avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
frame->pts = av_rescale_q(info->presentationTimeUs,
AV_TIME_BASE_Q,
avctx->pkt_timebase);
} else {
frame->pts = info->presentationTimeUs;
}
frame->pkt_dts = AV_NOPTS_VALUE;
av_log(avctx, AV_LOG_TRACE,
"Frame: width=%d stride=%d height=%d slice-height=%d "
"crop-top=%d crop-bottom=%d crop-left=%d crop-right=%d encoder=%s "
"destination linesizes=%d,%d,%d\n" ,
avctx->width, s->stride, avctx->height, s->slice_height,
s->crop_top, s->crop_bottom, s->crop_left, s->crop_right, s->codec_name,
frame->linesize[0], frame->linesize[1], frame->linesize[2]);
switch (s->color_format) {
case COLOR_FormatYUV420Planar:
ff_mediacodec_sw_buffer_copy_yuv420_planar(avctx, s, data, size, info, frame);
break;
case COLOR_FormatYUV420SemiPlanar:
case COLOR_QCOM_FormatYUV420SemiPlanar:
case COLOR_QCOM_FormatYUV420SemiPlanar32m:
ff_mediacodec_sw_buffer_copy_yuv420_semi_planar(avctx, s, data, size, info, frame);
break;
case COLOR_TI_FormatYUV420PackedSemiPlanar:
case COLOR_TI_FormatYUV420PackedSemiPlanarInterlaced:
ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar(avctx, s, data, size, info, frame);
break;
case COLOR_QCOM_FormatYUV420PackedSemiPlanar64x32Tile2m8ka:
ff_mediacodec_sw_buffer_copy_yuv420_packed_semi_planar_64x32Tile2m8ka(avctx, s, data, size, info, frame);
break;
default:
av_log(avctx, AV_LOG_ERROR, "Unsupported color format 0x%x (value=%d)\n",
s->color_format, s->color_format);
ret = AVERROR(EINVAL);
goto done;
}
ret = 0;
done:
status = ff_AMediaCodec_releaseOutputBuffer(s->codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
ret = AVERROR_EXTERNAL;
}
return ret;
}
static int mediacodec_wrap_sw_buffer(AVCodecContext *avctx,
MediaCodecDecContext *s,
uint8_t *data,
size_t size,
ssize_t index,
FFAMediaCodecBufferInfo *info,
AVFrame *frame)
{
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO)
return mediacodec_wrap_sw_audio_buffer(avctx, s, data, size, index, info, frame);
else if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
return mediacodec_wrap_sw_video_buffer(avctx, s, data, size, index, info, frame);
else
av_assert0(0);
}
#define AMEDIAFORMAT_GET_INT32(name, key, mandatory) do { \
int32_t value = 0; \
if (ff_AMediaFormat_getInt32(s->format, key, &value)) { \
(name) = value; \
} else if (mandatory) { \
av_log(avctx, AV_LOG_ERROR, "Could not get %s from format %s\n", key, format); \
ret = AVERROR_EXTERNAL; \
goto fail; \
} \
} while (0) \
static int mediacodec_dec_parse_video_format(AVCodecContext *avctx, MediaCodecDecContext *s)
{
int ret = 0;
int width = 0;
int height = 0;
int color_range = 0;
int color_standard = 0;
int color_transfer = 0;
char *format = NULL;
if (!s->format) {
av_log(avctx, AV_LOG_ERROR, "Output MediaFormat is not set\n");
return AVERROR(EINVAL);
}
format = ff_AMediaFormat_toString(s->format);
if (!format) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_DEBUG, "Parsing MediaFormat %s\n", format);
/* Mandatory fields */
AMEDIAFORMAT_GET_INT32(s->width, "width", 1);
AMEDIAFORMAT_GET_INT32(s->height, "height", 1);
AMEDIAFORMAT_GET_INT32(s->stride, "stride", 0);
s->stride = s->stride > 0 ? s->stride : s->width;
AMEDIAFORMAT_GET_INT32(s->slice_height, "slice-height", 0);
if (strstr(s->codec_name, "OMX.Nvidia.") && s->slice_height == 0) {
s->slice_height = FFALIGN(s->height, 16);
} else if (strstr(s->codec_name, "OMX.SEC.avc.dec")) {
s->slice_height = avctx->height;
s->stride = avctx->width;
} else if (s->slice_height == 0) {
s->slice_height = s->height;
}
AMEDIAFORMAT_GET_INT32(s->color_format, "color-format", 1);
avctx->pix_fmt = mcdec_map_color_format(avctx, s, s->color_format);
if (avctx->pix_fmt == AV_PIX_FMT_NONE) {
av_log(avctx, AV_LOG_ERROR, "Output color format is not supported\n");
ret = AVERROR(EINVAL);
goto fail;
}
/* Optional fields */
AMEDIAFORMAT_GET_INT32(s->crop_top, "crop-top", 0);
AMEDIAFORMAT_GET_INT32(s->crop_bottom, "crop-bottom", 0);
AMEDIAFORMAT_GET_INT32(s->crop_left, "crop-left", 0);
AMEDIAFORMAT_GET_INT32(s->crop_right, "crop-right", 0);
// Try "crop" for NDK
if (!(s->crop_right && s->crop_bottom) && s->use_ndk_codec)
ff_AMediaFormat_getRect(s->format, "crop", &s->crop_left, &s->crop_top, &s->crop_right, &s->crop_bottom);
if (s->crop_right && s->crop_bottom) {
width = s->crop_right + 1 - s->crop_left;
height = s->crop_bottom + 1 - s->crop_top;
} else {
/* TODO: NDK MediaFormat should try getRect() first.
* Try crop-width/crop-height, it works on NVIDIA Shield.
*/
AMEDIAFORMAT_GET_INT32(width, "crop-width", 0);
AMEDIAFORMAT_GET_INT32(height, "crop-height", 0);
}
if (!width || !height) {
width = s->width;
height = s->height;
}
AMEDIAFORMAT_GET_INT32(s->display_width, "display-width", 0);
AMEDIAFORMAT_GET_INT32(s->display_height, "display-height", 0);
if (s->display_width && s->display_height) {
AVRational sar = av_div_q(
(AVRational){ s->display_width, s->display_height },
(AVRational){ width, height });
ff_set_sar(avctx, sar);
}
AMEDIAFORMAT_GET_INT32(color_range, "color-range", 0);
if (color_range)
avctx->color_range = ff_AMediaFormatColorRange_to_AVColorRange(color_range);
AMEDIAFORMAT_GET_INT32(color_standard, "color-standard", 0);
if (color_standard) {
avctx->colorspace = ff_AMediaFormatColorStandard_to_AVColorSpace(color_standard);
avctx->color_primaries = ff_AMediaFormatColorStandard_to_AVColorPrimaries(color_standard);
}
AMEDIAFORMAT_GET_INT32(color_transfer, "color-transfer", 0);
if (color_transfer)
avctx->color_trc = ff_AMediaFormatColorTransfer_to_AVColorTransfer(color_transfer);
av_log(avctx, AV_LOG_INFO,
"Output crop parameters top=%d bottom=%d left=%d right=%d, "
"resulting dimensions width=%d height=%d\n",
s->crop_top, s->crop_bottom, s->crop_left, s->crop_right,
width, height);
av_freep(&format);
return ff_set_dimensions(avctx, width, height);
fail:
av_freep(&format);
return ret;
}
static int mediacodec_dec_parse_audio_format(AVCodecContext *avctx, MediaCodecDecContext *s)
{
int ret = 0;
int sample_rate = 0;
int channel_count = 0;
int channel_mask = 0;
int pcm_encoding = 0;
char *format = NULL;
if (!s->format) {
av_log(avctx, AV_LOG_ERROR, "Output MediaFormat is not set\n");
return AVERROR(EINVAL);
}
format = ff_AMediaFormat_toString(s->format);
if (!format) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_DEBUG, "Parsing MediaFormat %s\n", format);
/* Mandatory fields */
AMEDIAFORMAT_GET_INT32(channel_count, "channel-count", 1);
AMEDIAFORMAT_GET_INT32(sample_rate, "sample-rate", 1);
AMEDIAFORMAT_GET_INT32(pcm_encoding, "pcm-encoding", 0);
if (pcm_encoding)
avctx->sample_fmt = mcdec_map_pcm_format(avctx, s, pcm_encoding);
else
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
avctx->sample_rate = sample_rate;
AMEDIAFORMAT_GET_INT32(channel_mask, "channel-mask", 0);
if (channel_mask)
av_channel_layout_from_mask(&avctx->ch_layout, mcdec_map_channel_mask(avctx, channel_mask));
else
av_channel_layout_default(&avctx->ch_layout, channel_count);
av_log(avctx, AV_LOG_INFO,
"Output parameters channel-count=%d channel-layout=%x sample-rate=%d\n",
channel_count, channel_mask, sample_rate);
fail:
av_freep(&format);
return ret;
}
static int mediacodec_dec_parse_format(AVCodecContext *avctx, MediaCodecDecContext *s)
{
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO)
return mediacodec_dec_parse_audio_format(avctx, s);
else if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
return mediacodec_dec_parse_video_format(avctx, s);
else
av_assert0(0);
}
static int mediacodec_dec_flush_codec(AVCodecContext *avctx, MediaCodecDecContext *s)
{
FFAMediaCodec *codec = s->codec;
int status;
s->output_buffer_count = 0;
s->draining = 0;
s->flushing = 0;
s->eos = 0;
atomic_fetch_add(&s->serial, 1);
atomic_init(&s->hw_buffer_count, 0);
s->current_input_buffer = -1;
status = ff_AMediaCodec_flush(codec);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to flush codec\n");
return AVERROR_EXTERNAL;
}
return 0;
}
static int mediacodec_dec_get_video_codec(AVCodecContext *avctx, MediaCodecDecContext *s,
const char *mime, FFAMediaFormat *format)
{
int profile;
enum AVPixelFormat pix_fmt;
static const enum AVPixelFormat pix_fmts[] = {
AV_PIX_FMT_MEDIACODEC,
AV_PIX_FMT_NONE,
};
pix_fmt = ff_get_format(avctx, pix_fmts);
if (pix_fmt == AV_PIX_FMT_MEDIACODEC) {
AVMediaCodecContext *user_ctx = avctx->hwaccel_context;
if (avctx->hw_device_ctx) {
AVHWDeviceContext *device_ctx = (AVHWDeviceContext*)(avctx->hw_device_ctx->data);
if (device_ctx->type == AV_HWDEVICE_TYPE_MEDIACODEC) {
if (device_ctx->hwctx) {
AVMediaCodecDeviceContext *mediacodec_ctx = (AVMediaCodecDeviceContext *)device_ctx->hwctx;
s->surface = ff_mediacodec_surface_ref(mediacodec_ctx->surface, mediacodec_ctx->native_window, avctx);
av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
}
}
}
if (!s->surface && user_ctx && user_ctx->surface) {
s->surface = ff_mediacodec_surface_ref(user_ctx->surface, NULL, avctx);
av_log(avctx, AV_LOG_INFO, "Using surface %p\n", s->surface);
}
}
profile = ff_AMediaCodecProfile_getProfileFromAVCodecContext(avctx);
if (profile < 0) {
av_log(avctx, AV_LOG_WARNING, "Unsupported or unknown profile\n");
}
s->codec_name = ff_AMediaCodecList_getCodecNameByType(mime, profile, 0, avctx);
if (!s->codec_name) {
// getCodecNameByType() can fail due to missing JVM, while NDK
// mediacodec can be used without JVM.
if (!s->use_ndk_codec) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_INFO, "Failed to getCodecNameByType\n");
} else {
av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name);
}
if (s->codec_name)
s->codec = ff_AMediaCodec_createCodecByName(s->codec_name, s->use_ndk_codec);
else {
s->codec = ff_AMediaCodec_createDecoderByType(mime, s->use_ndk_codec);
if (s->codec) {
s->codec_name = ff_AMediaCodec_getName(s->codec);
if (!s->codec_name)
s->codec_name = av_strdup(mime);
}
}
if (!s->codec) {
av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for type %s and name %s\n", mime, s->codec_name);
return AVERROR_EXTERNAL;
}
return 0;
}
static int mediacodec_dec_get_audio_codec(AVCodecContext *avctx, MediaCodecDecContext *s,
const char *mime, FFAMediaFormat *format)
{
s->codec = ff_AMediaCodec_createDecoderByType(mime, s->use_ndk_codec);
if (!s->codec) {
av_log(avctx, AV_LOG_ERROR, "Failed to create media decoder for mime %s\n", mime);
return AVERROR_EXTERNAL;
}
s->codec_name = ff_AMediaCodec_getName(s->codec);
if (!s->codec_name) {
s->codec_name = av_strdup(mime);
if (!s->codec_name)
return AVERROR(ENOMEM);
}
return 0;
}
int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s,
const char *mime, FFAMediaFormat *format)
{
int ret;
int status;
s->avctx = avctx;
atomic_init(&s->refcount, 1);
atomic_init(&s->hw_buffer_count, 0);
atomic_init(&s->serial, 1);
s->current_input_buffer = -1;
if (avctx->codec_type == AVMEDIA_TYPE_AUDIO)
ret = mediacodec_dec_get_audio_codec(avctx, s, mime, format);
else if (avctx->codec_type == AVMEDIA_TYPE_VIDEO)
ret = mediacodec_dec_get_video_codec(avctx, s, mime, format);
else
av_assert0(0);
if (ret < 0)
goto fail;
status = ff_AMediaCodec_configure(s->codec, format, s->surface, NULL, 0);
if (status < 0) {
char *desc = ff_AMediaFormat_toString(format);
av_log(avctx, AV_LOG_ERROR,
"Failed to configure codec %s (status = %d) with format %s\n",
s->codec_name, status, desc);
av_freep(&desc);
ret = AVERROR_EXTERNAL;
goto fail;
}
status = ff_AMediaCodec_start(s->codec);
if (status < 0) {
char *desc = ff_AMediaFormat_toString(format);
av_log(avctx, AV_LOG_ERROR,
"Failed to start codec %s (status = %d) with format %s\n",
s->codec_name, status, desc);
av_freep(&desc);
ret = AVERROR_EXTERNAL;
goto fail;
}
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
s->format = ff_AMediaCodec_getOutputFormat(s->codec);
if (s->format) {
if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
av_log(avctx, AV_LOG_ERROR,
"Failed to configure context\n");
goto fail;
}
}
}
av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p started successfully\n", s->codec);
return 0;
fail:
av_log(avctx, AV_LOG_ERROR, "MediaCodec %p failed to start\n", s->codec);
ff_mediacodec_dec_close(avctx, s);
return ret;
}
int ff_mediacodec_dec_send(AVCodecContext *avctx, MediaCodecDecContext *s,
AVPacket *pkt, bool wait)
{
int offset = 0;
int need_draining = 0;
uint8_t *data;
size_t size;
FFAMediaCodec *codec = s->codec;
int status;
int64_t input_dequeue_timeout_us = wait ? INPUT_DEQUEUE_TIMEOUT_US : 0;
int64_t pts;
if (s->flushing) {
av_log(avctx, AV_LOG_ERROR, "Decoder is flushing and cannot accept new buffer "
"until all output buffers have been released\n");
return AVERROR_EXTERNAL;
}
if (pkt->size == 0) {
need_draining = 1;
}
if (s->draining && s->eos) {
return AVERROR_EOF;
}
while (offset < pkt->size || (need_draining && !s->draining)) {
ssize_t index = s->current_input_buffer;
if (index < 0) {
index = ff_AMediaCodec_dequeueInputBuffer(codec, input_dequeue_timeout_us);
if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
av_log(avctx, AV_LOG_TRACE, "No input buffer available, try again later\n");
break;
}
if (index < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue input buffer (status=%zd)\n", index);
return AVERROR_EXTERNAL;
}
}
s->current_input_buffer = -1;
data = ff_AMediaCodec_getInputBuffer(codec, index, &size);
if (!data) {
av_log(avctx, AV_LOG_ERROR, "Failed to get input buffer\n");
return AVERROR_EXTERNAL;
}
pts = pkt->pts;
if (pts == AV_NOPTS_VALUE) {
av_log(avctx, AV_LOG_WARNING, "Input packet is missing PTS\n");
pts = 0;
}
if (pts && avctx->pkt_timebase.num && avctx->pkt_timebase.den) {
pts = av_rescale_q(pts, avctx->pkt_timebase, AV_TIME_BASE_Q);
}
if (need_draining) {
uint32_t flags = ff_AMediaCodec_getBufferFlagEndOfStream(codec);
av_log(avctx, AV_LOG_DEBUG, "Sending End Of Stream signal\n");
status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, 0, pts, flags);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to queue input empty buffer (status = %d)\n", status);
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_TRACE,
"Queued empty EOS input buffer %zd with flags=%d\n", index, flags);
s->draining = 1;
return 0;
}
size = FFMIN(pkt->size - offset, size);
memcpy(data, pkt->data + offset, size);
offset += size;
status = ff_AMediaCodec_queueInputBuffer(codec, index, 0, size, pts, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to queue input buffer (status = %d)\n", status);
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_TRACE,
"Queued input buffer %zd size=%zd ts=%"PRIi64"\n", index, size, pts);
}
if (offset == 0)
return AVERROR(EAGAIN);
return offset;
}
int ff_mediacodec_dec_receive(AVCodecContext *avctx, MediaCodecDecContext *s,
AVFrame *frame, bool wait)
{
int ret;
uint8_t *data;
ssize_t index;
size_t size;
FFAMediaCodec *codec = s->codec;
FFAMediaCodecBufferInfo info = { 0 };
int status;
int64_t output_dequeue_timeout_us = OUTPUT_DEQUEUE_TIMEOUT_US;
if (s->draining && s->eos) {
return AVERROR_EOF;
}
if (s->draining) {
/* If the codec is flushing or need to be flushed, block for a fair
* amount of time to ensure we got a frame */
output_dequeue_timeout_us = OUTPUT_DEQUEUE_BLOCK_TIMEOUT_US;
} else if (s->output_buffer_count == 0 || !wait) {
/* If the codec hasn't produced any frames, do not block so we
* can push data to it as fast as possible, and get the first
* frame */
output_dequeue_timeout_us = 0;
}
index = ff_AMediaCodec_dequeueOutputBuffer(codec, &info, output_dequeue_timeout_us);
if (index >= 0) {
av_log(avctx, AV_LOG_TRACE, "Got output buffer %zd"
" offset=%" PRIi32 " size=%" PRIi32 " ts=%" PRIi64
" flags=%" PRIu32 "\n", index, info.offset, info.size,
info.presentationTimeUs, info.flags);
if (info.flags & ff_AMediaCodec_getBufferFlagEndOfStream(codec)) {
s->eos = 1;
}
if (info.size) {
if (s->surface) {
if ((ret = mediacodec_wrap_hw_buffer(avctx, s, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
} else {
data = ff_AMediaCodec_getOutputBuffer(codec, index, &size);
if (!data) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output buffer\n");
return AVERROR_EXTERNAL;
}
if ((ret = mediacodec_wrap_sw_buffer(avctx, s, data, size, index, &info, frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to wrap MediaCodec buffer\n");
return ret;
}
}
s->output_buffer_count++;
return 0;
} else {
status = ff_AMediaCodec_releaseOutputBuffer(codec, index, 0);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to release output buffer\n");
}
}
} else if (ff_AMediaCodec_infoOutputFormatChanged(codec, index)) {
char *format = NULL;
if (s->format) {
status = ff_AMediaFormat_delete(s->format);
if (status < 0) {
av_log(avctx, AV_LOG_ERROR, "Failed to delete MediaFormat %p\n", s->format);
}
}
s->format = ff_AMediaCodec_getOutputFormat(codec);
if (!s->format) {
av_log(avctx, AV_LOG_ERROR, "Failed to get output format\n");
return AVERROR_EXTERNAL;
}
format = ff_AMediaFormat_toString(s->format);
if (!format) {
return AVERROR_EXTERNAL;
}
av_log(avctx, AV_LOG_INFO, "Output MediaFormat changed to %s\n", format);
av_freep(&format);
if ((ret = mediacodec_dec_parse_format(avctx, s)) < 0) {
return ret;
}
} else if (ff_AMediaCodec_infoOutputBuffersChanged(codec, index)) {
ff_AMediaCodec_cleanOutputBuffers(codec);
} else if (ff_AMediaCodec_infoTryAgainLater(codec, index)) {
if (s->draining) {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer within %" PRIi64 "ms "
"while draining remaining frames, output will probably lack frames\n",
output_dequeue_timeout_us / 1000);
} else {
av_log(avctx, AV_LOG_TRACE, "No output buffer available, try again later\n");
}
} else {
av_log(avctx, AV_LOG_ERROR, "Failed to dequeue output buffer (status=%zd)\n", index);
return AVERROR_EXTERNAL;
}
if (s->draining && s->eos)
return AVERROR_EOF;
return AVERROR(EAGAIN);
}
/*
* ff_mediacodec_dec_flush returns 0 if the flush cannot be performed on
* the codec (because the user retains frames). The codec stays in the
* flushing state.
*
* ff_mediacodec_dec_flush returns 1 if the flush can actually be
* performed on the codec. The codec leaves the flushing state and can
* process again packets.
*
* ff_mediacodec_dec_flush returns a negative value if an error has
* occurred.
*/
int ff_mediacodec_dec_flush(AVCodecContext *avctx, MediaCodecDecContext *s)
{
if (!s->surface || !s->delay_flush || atomic_load(&s->refcount) == 1) {
int ret;
/* No frames (holding a reference to the codec) are retained by the
* user, thus we can flush the codec and returns accordingly */
if ((ret = mediacodec_dec_flush_codec(avctx, s)) < 0) {
return ret;
}
return 1;
}
s->flushing = 1;
return 0;
}
int ff_mediacodec_dec_close(AVCodecContext *avctx, MediaCodecDecContext *s)
{
if (!s)
return 0;
if (s->codec) {
if (atomic_load(&s->hw_buffer_count) == 0) {
ff_AMediaCodec_stop(s->codec);
av_log(avctx, AV_LOG_DEBUG, "MediaCodec %p stopped\n", s->codec);
} else {
av_log(avctx, AV_LOG_DEBUG, "Not stopping MediaCodec (there are buffers pending)\n");
}
}
ff_mediacodec_dec_unref(s);
return 0;
}
int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx, MediaCodecDecContext *s)
{
return s->flushing;
}