| /* |
| * 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/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 "avcodec.h" |
| #include "internal.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 { |
| 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); |
| } |
| |
| if (ctx->delay_flush) |
| 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; |
| } |
| #if FF_API_PKT_PTS |
| FF_DISABLE_DEPRECATION_WARNINGS |
| frame->pkt_pts = frame->pts; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| #endif |
| frame->pkt_dts = AV_NOPTS_VALUE; |
| |
| 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); |
| if (s->delay_flush) |
| 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); |
| av_buffer_unref(&frame->buf[0]); |
| 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) |
| { |
| 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; |
| } |
| #if FF_API_PKT_PTS |
| FF_DISABLE_DEPRECATION_WARNINGS |
| frame->pkt_pts = frame->pts; |
| FF_ENABLE_DEPRECATION_WARNINGS |
| #endif |
| 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; |
| } |
| |
| #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_format(AVCodecContext *avctx, MediaCodecDecContext *s) |
| { |
| int ret = 0; |
| int width = 0; |
| int height = 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); |
| |
| width = s->crop_right + 1 - s->crop_left; |
| height = s->crop_bottom + 1 - s->crop_top; |
| |
| 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); |
| } |
| |
| 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_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; |
| } |
| |
| int ff_mediacodec_dec_init(AVCodecContext *avctx, MediaCodecDecContext *s, |
| const char *mime, FFAMediaFormat *format) |
| { |
| int ret = 0; |
| int status; |
| int profile; |
| |
| enum AVPixelFormat pix_fmt; |
| static const enum AVPixelFormat pix_fmts[] = { |
| AV_PIX_FMT_MEDIACODEC, |
| AV_PIX_FMT_NONE, |
| }; |
| |
| 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; |
| |
| 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, 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, 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) { |
| ret = AVERROR_EXTERNAL; |
| goto fail; |
| } |
| |
| av_log(avctx, AV_LOG_DEBUG, "Found decoder %s\n", s->codec_name); |
| s->codec = ff_AMediaCodec_createCodecByName(s->codec_name); |
| 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); |
| ret = AVERROR_EXTERNAL; |
| 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 (status = %d) with format %s\n", |
| 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 (status = %d) with format %s\n", |
| status, desc); |
| av_freep(&desc); |
| ret = AVERROR_EXTERNAL; |
| goto fail; |
| } |
| |
| 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; |
| ssize_t index = s->current_input_buffer; |
| 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)) { |
| 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 && 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 input buffer %zd size=%zd ts=%"PRIi64"\n", index, size, pts); |
| |
| 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; |
| } |
| |
| 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 || 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) |
| { |
| ff_mediacodec_dec_unref(s); |
| |
| return 0; |
| } |
| |
| int ff_mediacodec_dec_is_flushing(AVCodecContext *avctx, MediaCodecDecContext *s) |
| { |
| return s->flushing; |
| } |
