X-Git-Url: https://git.ao2.it/libam7xxx.git/blobdiff_plain/5cdf0524c38f60d2559e7e00db22383b8bb880a2..refs/heads/master:/contrib/libam7xxx-compile-on-Ubuntu-14.04-LTS.diff diff --git a/contrib/libam7xxx-compile-on-Ubuntu-14.04-LTS.diff b/contrib/libam7xxx-compile-on-Ubuntu-14.04-LTS.diff index f482b7e..d8b6b6f 100644 --- a/contrib/libam7xxx-compile-on-Ubuntu-14.04-LTS.diff +++ b/contrib/libam7xxx-compile-on-Ubuntu-14.04-LTS.diff @@ -1,5 +1,18 @@ +diff --git a/examples/am7xxx-modeswitch.c b/examples/am7xxx-modeswitch.c +index c304515..4f132d6 100644 +--- a/examples/am7xxx-modeswitch.c ++++ b/examples/am7xxx-modeswitch.c +@@ -46,7 +46,7 @@ int main(void) + goto out; + } + +- libusb_set_debug(NULL, LIBUSB_LOG_LEVEL_INFO); ++ libusb_set_debug(NULL, 3); + + usb_device = libusb_open_device_with_vid_pid(NULL, + AM7XXX_STORAGE_VID, diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c -index 46a91c9..fed455f 100644 +index 81aff84..1ee42e0 100644 --- a/examples/am7xxx-play.c +++ b/examples/am7xxx-play.c @@ -31,7 +31,6 @@ @@ -10,26 +23,215 @@ index 46a91c9..fed455f 100644 #include #include -@@ -308,7 +307,7 @@ static int am7xxx_play(const char *input_format_string, +@@ -51,10 +50,10 @@ static int video_input_init(struct video_input_ctx *input_ctx, + { + AVInputFormat *input_format = NULL; + AVFormatContext *input_format_ctx; +- AVCodecParameters *input_codec_params; + AVCodecContext *input_codec_ctx; + AVCodec *input_codec; + int video_index; ++ unsigned int i; + int ret; + + avdevice_register_all(); +@@ -99,32 +98,34 @@ static int video_input_init(struct video_input_ctx *input_ctx, + av_dump_format(input_format_ctx, 0, input_path, 0); + + /* look for the first video_stream */ +- video_index = av_find_best_stream(input_format_ctx, AVMEDIA_TYPE_VIDEO, -1, -1, &input_codec, 0); +- if (video_index < 0) { ++ video_index = -1; ++ for (i = 0; i < input_format_ctx->nb_streams; i++) ++ if (input_format_ctx->streams[i]->codec->codec_type == AVMEDIA_TYPE_VIDEO) { ++ video_index = i; ++ break; ++ } ++ if (video_index == -1) { + fprintf(stderr, "cannot find any video streams\n"); + ret = -EINVAL; + goto cleanup; + } + +- input_codec_ctx = avcodec_alloc_context3(input_codec); +- if (input_codec_ctx == NULL) { +- fprintf(stderr, "failed to allocate the input codec context\n"); +- ret = -ENOMEM; +- goto cleanup; +- } ++ /* get a pointer to the codec context for the video stream */ ++ input_codec_ctx = input_format_ctx->streams[video_index]->codec; + +- input_codec_params = input_format_ctx->streams[video_index]->codecpar; +- ret = avcodec_parameters_to_context(input_codec_ctx, input_codec_params); +- if (ret < 0) { +- fprintf(stderr, "cannot copy parameters to input codec context\n"); +- goto cleanup_ctx; ++ /* find the decoder for the video stream */ ++ input_codec = avcodec_find_decoder(input_codec_ctx->codec_id); ++ if (input_codec == NULL) { ++ fprintf(stderr, "input_codec is NULL!\n"); ++ ret = -EINVAL; ++ goto cleanup; + } + + /* open the decoder */ + ret = avcodec_open2(input_codec_ctx, input_codec, NULL); + if (ret < 0) { + fprintf(stderr, "cannot open input codec\n"); +- goto cleanup_ctx; ++ goto cleanup; + } + + input_ctx->format_ctx = input_format_ctx; +@@ -134,8 +135,6 @@ static int video_input_init(struct video_input_ctx *input_ctx, + ret = 0; + goto out; + +-cleanup_ctx: +- avcodec_free_context(&input_codec_ctx); + cleanup: + avformat_close_input(&input_format_ctx); + out: +@@ -177,7 +176,7 @@ static int video_output_init(struct video_output_ctx *output_ctx, + goto out; + } + +- /* Calculate the new output dimension so the original frame is shown ++ /* Calculate the new output dimension so the original picture is shown + * in its entirety */ + ret = am7xxx_calc_scaled_image_dimensions(dev, + upscale, +@@ -226,7 +225,7 @@ static int video_output_init(struct video_output_ctx *output_ctx, + output_codec_ctx->qmin = output_codec_ctx->qmax = ((100 - (quality - 1)) * FF_QUALITY_SCALE) / 100; + output_codec_ctx->mb_lmin = output_codec_ctx->qmin * FF_QP2LAMBDA; + output_codec_ctx->mb_lmax = output_codec_ctx->qmax * FF_QP2LAMBDA; +- output_codec_ctx->flags |= AV_CODEC_FLAG_QSCALE; ++ output_codec_ctx->flags |= CODEC_FLAG_QSCALE; + output_codec_ctx->global_quality = output_codec_ctx->qmin * FF_QP2LAMBDA; + + /* find the encoder */ +@@ -257,67 +256,6 @@ out: + } + + +-/* +- * Wrap the new avcodec API from FFMpeg 3.1 to minimize the changes in the +- * user code. +- * +- * If the use of the wrappers were to be made conditional, a check like the +- * following could be used: +- * +- * #if (LIBAVCODEC_VERSION_INT >= AV_VERSION_INT(57, 48, 101)) +- * +- * As derived from the APIchanges document: +- * https://github.com/FFmpeg/FFmpeg/blob/master/doc/APIchanges +- * +- * The wrapper implementation has been taken from: +- * https://blogs.gentoo.org/lu_zero/2016/03/29/new-avcodec-api/ +- */ +-static int decode(AVCodecContext *avctx, AVFrame *frame, int *got_frame, AVPacket *pkt) +-{ +- int ret; +- +- *got_frame = 0; +- +- if (pkt) { +- ret = avcodec_send_packet(avctx, pkt); +- /* +- * In particular, we don't expect AVERROR(EAGAIN), because we +- * read all decoded frames with avcodec_receive_frame() until +- * done. +- */ +- if (ret < 0) +- return ret == AVERROR_EOF ? 0 : ret; +- } +- +- ret = avcodec_receive_frame(avctx, frame); +- if (ret < 0 && ret != AVERROR(EAGAIN) && ret != AVERROR_EOF) +- return ret; +- if (ret >= 0) +- *got_frame = 1; +- +- return 0; +-} +- +-static int encode(AVCodecContext *avctx, AVPacket *pkt, int *got_packet, AVFrame *frame) +-{ +- int ret; +- +- *got_packet = 0; +- +- ret = avcodec_send_frame(avctx, frame); +- if (ret < 0) +- return ret; +- +- ret = avcodec_receive_packet(avctx, pkt); +- if (!ret) +- *got_packet = 1; +- if (ret == AVERROR(EAGAIN)) +- return 0; +- +- return ret; +-} +- +- + static int am7xxx_play(const char *input_format_string, + AVDictionary **input_options, + const char *input_path, +@@ -330,16 +268,16 @@ static int am7xxx_play(const char *input_format_string, + { + struct video_input_ctx input_ctx; + struct video_output_ctx output_ctx; +- AVFrame *frame_raw; +- AVFrame *frame_scaled; ++ AVFrame *picture_raw; ++ AVFrame *picture_scaled; + int out_buf_size; + uint8_t *out_buf; +- int out_frame_size; +- uint8_t *out_frame; ++ int out_picture_size; ++ uint8_t *out_picture; + struct SwsContext *sw_scale_ctx; + AVPacket in_packet; + AVPacket out_packet; +- int got_frame; ++ int got_picture; + int got_packet; + int ret; + +@@ -356,44 +294,41 @@ static int am7xxx_play(const char *input_format_string, } /* allocate an input frame */ -- picture_raw = av_frame_alloc(); +- frame_raw = av_frame_alloc(); +- if (frame_raw == NULL) { +- fprintf(stderr, "cannot allocate the raw frame!\n"); + picture_raw = avcodec_alloc_frame(); - if (picture_raw == NULL) { - fprintf(stderr, "cannot allocate the raw picture frame!\n"); ++ if (picture_raw == NULL) { ++ fprintf(stderr, "cannot allocate the raw picture frame!\n"); ret = -ENOMEM; -@@ -316,7 +315,7 @@ static int am7xxx_play(const char *input_format_string, + goto cleanup_output; } /* allocate output frame */ -- picture_scaled = av_frame_alloc(); +- frame_scaled = av_frame_alloc(); +- if (frame_scaled == NULL) { +- fprintf(stderr, "cannot allocate the scaled frame!\n"); + picture_scaled = avcodec_alloc_frame(); - if (picture_scaled == NULL) { - fprintf(stderr, "cannot allocate the scaled picture!\n"); ++ if (picture_scaled == NULL) { ++ fprintf(stderr, "cannot allocate the scaled picture!\n"); ret = -ENOMEM; -@@ -327,10 +326,9 @@ static int am7xxx_play(const char *input_format_string, - picture_scaled->height = (output_ctx.codec_ctx)->height; +- goto cleanup_frame_raw; ++ goto cleanup_picture_raw; + } +- frame_scaled->format = (output_ctx.codec_ctx)->pix_fmt; +- frame_scaled->width = (output_ctx.codec_ctx)->width; +- frame_scaled->height = (output_ctx.codec_ctx)->height; ++ picture_scaled->format = (output_ctx.codec_ctx)->pix_fmt; ++ picture_scaled->width = (output_ctx.codec_ctx)->width; ++ picture_scaled->height = (output_ctx.codec_ctx)->height; /* calculate the bytes needed for the output image and create buffer for the output image */ - out_buf_size = av_image_get_buffer_size((output_ctx.codec_ctx)->pix_fmt, @@ -42,17 +244,20 @@ index 46a91c9..fed455f 100644 out_buf = av_malloc(out_buf_size * sizeof(uint8_t)); if (out_buf == NULL) { fprintf(stderr, "cannot allocate output data buffer!\n"); -@@ -339,13 +337,11 @@ static int am7xxx_play(const char *input_format_string, + ret = -ENOMEM; +- goto cleanup_frame_scaled; ++ goto cleanup_picture_scaled; } - /* assign appropriate parts of buffer to image planes in picture_scaled */ -- av_image_fill_arrays(picture_scaled->data, -- picture_scaled->linesize, +- /* assign appropriate parts of buffer to image planes in frame_scaled */ +- av_image_fill_arrays(frame_scaled->data, +- frame_scaled->linesize, - out_buf, - (output_ctx.codec_ctx)->pix_fmt, - (output_ctx.codec_ctx)->width, - (output_ctx.codec_ctx)->height, - 1); ++ /* assign appropriate parts of buffer to image planes in picture_scaled */ + avpicture_fill((AVPicture *)picture_scaled, + out_buf, + (output_ctx.codec_ctx)->pix_fmt, @@ -61,7 +266,95 @@ index 46a91c9..fed455f 100644 sw_scale_ctx = sws_getCachedContext(NULL, (input_ctx.codec_ctx)->width, -@@ -458,17 +454,17 @@ static int am7xxx_play(const char *input_format_string, +@@ -430,8 +365,8 @@ static int am7xxx_play(const char *input_format_string, + } + + /* decode */ +- got_frame = 0; +- ret = decode(input_ctx.codec_ctx, frame_raw, &got_frame, &in_packet); ++ got_picture = 0; ++ ret = avcodec_decode_video2(input_ctx.codec_ctx, picture_raw, &got_picture, &in_packet); + if (ret < 0) { + fprintf(stderr, "cannot decode video\n"); + run = 0; +@@ -439,41 +374,41 @@ static int am7xxx_play(const char *input_format_string, + } + + /* if we got the complete frame */ +- if (got_frame) { ++ if (got_picture) { + /* +- * Rescaling the frame also changes its pixel format ++ * Rescaling the picture also changes its pixel format + * to the raw format supported by the projector if + * this was set in video_output_init() + */ + sws_scale(sw_scale_ctx, +- (const uint8_t * const *)frame_raw->data, +- frame_raw->linesize, ++ (const uint8_t * const *)picture_raw->data, ++ picture_raw->linesize, + 0, + (input_ctx.codec_ctx)->height, +- frame_scaled->data, +- frame_scaled->linesize); ++ picture_scaled->data, ++ picture_scaled->linesize); + + if (output_ctx.raw_output) { +- out_frame = out_buf; +- out_frame_size = out_buf_size; ++ out_picture = out_buf; ++ out_picture_size = out_buf_size; + } else { +- frame_scaled->quality = (output_ctx.codec_ctx)->global_quality; ++ picture_scaled->quality = (output_ctx.codec_ctx)->global_quality; + av_init_packet(&out_packet); + out_packet.data = NULL; + out_packet.size = 0; + got_packet = 0; +- ret = encode(output_ctx.codec_ctx, +- &out_packet, +- &got_packet, +- frame_scaled); ++ ret = avcodec_encode_video2(output_ctx.codec_ctx, ++ &out_packet, ++ picture_scaled, ++ &got_packet); + if (ret < 0 || !got_packet) { + fprintf(stderr, "cannot encode video\n"); + run = 0; + goto end_while; + } + +- out_frame = out_packet.data; +- out_frame_size = out_packet.size; ++ out_picture = out_packet.data; ++ out_picture_size = out_packet.size; + } + + #ifdef DEBUG +@@ -485,7 +420,7 @@ static int am7xxx_play(const char *input_format_string, + else + snprintf(filename, NAME_MAX, "out.raw"); + file = fopen(filename, "wb"); +- fwrite(out_frame, 1, out_frame_size, file); ++ fwrite(out_picture, 1, out_picture_size, file); + fclose(file); + } + #else +@@ -496,8 +431,8 @@ static int am7xxx_play(const char *input_format_string, + image_format, + (output_ctx.codec_ctx)->width, + (output_ctx.codec_ctx)->height, +- out_frame, +- out_frame_size); ++ out_picture, ++ out_picture_size); + if (ret < 0) { + perror("am7xxx_send_image_async"); + run = 0; +@@ -506,17 +441,17 @@ static int am7xxx_play(const char *input_format_string, } end_while: if (!output_ctx.raw_output && got_packet) @@ -74,20 +367,30 @@ index 46a91c9..fed455f 100644 sws_freeContext(sw_scale_ctx); cleanup_out_buf: av_free(out_buf); - cleanup_picture_scaled: -- av_frame_free(&picture_scaled); +-cleanup_frame_scaled: +- av_frame_free(&frame_scaled); +-cleanup_frame_raw: +- av_frame_free(&frame_raw); ++cleanup_picture_scaled: + avcodec_free_frame(&picture_scaled); - cleanup_picture_raw: -- av_frame_free(&picture_raw); ++cleanup_picture_raw: + avcodec_free_frame(&picture_raw); cleanup_output: - /* av_free is needed as well, + /* Freeing the codec context is needed as well, +@@ -527,7 +462,6 @@ cleanup_output: + + cleanup_input: + avcodec_close(input_ctx.codec_ctx); +- avcodec_free_context(&(input_ctx.codec_ctx)); + avformat_close_input(&(input_ctx.format_ctx)); + + out: diff --git a/src/am7xxx.c b/src/am7xxx.c -index 84d7e9c..f26fc18 100644 +index 8573a59..fd726af 100644 --- a/src/am7xxx.c +++ b/src/am7xxx.c -@@ -1106,7 +1106,7 @@ AM7XXX_PUBLIC int am7xxx_init(am7xxx_context **ctx) +@@ -1117,7 +1117,7 @@ AM7XXX_PUBLIC int am7xxx_init(am7xxx_context **ctx) goto out_free_context; }